const API_BASE = 'https://api.rockvilletollandsda.church/api';
let token = localStorage.getItem('adminToken') || '';
let currentEvents = [];
let recurringTypes = [];

// Centralized API wrapper with token validation
async function apiCall(url, options = {}) {
    // Add authorization header if token exists
    const headers = {
        ...options.headers,
        ...(token ? { 'Authorization': 'Bearer ' + token } : {})
    };

    const response = await fetch(url, {
        ...options,
        headers
    });

    // Handle token expiration
    if (response.status === 401) {
        console.warn('Token expired or invalid, redirecting to login');
        handleSessionExpiry();
        throw new Error('Session expired');
    }

    return response;
}

function handleSessionExpiry() {
    // Clear invalid token
    token = '';
    localStorage.removeItem('adminToken');
    
    // Show login screen
    document.getElementById('dashboard').classList.add('hidden');
    document.getElementById('login').classList.remove('hidden');
    
    // Show user-friendly message
    showError('loginError', 'Your session has expired. Please log in again.');
    
    // Close any open modals
    closeModal();
}

// Validate token on page load
async function validateToken() {
    if (!token) {
        return false;
    }

    try {
        // Try a simple API call to validate the token
        const response = await apiCall(API_BASE + '/admin/events/pending');
        return response.ok;
    } catch (error) {
        if (error.message === 'Session expired') {
            return false;
        }
        // Network errors or other issues - assume token is still valid
        console.warn('Could not validate token due to network error:', error);
        return true;
    }
}

function getImageUrl(event) {
    // Backend stores complete URLs, frontend just uses them directly
    return event.image || null;
}

async function loadRecurringTypes() {
    try {
        const response = await fetch(API_BASE + '/config/recurring-types');
        const data = await response.json();
        
        if (Array.isArray(data)) {
            // Convert API array to value/label objects, skip 'none'
            recurringTypes = data.filter(type => type !== 'none').map(type => ({
                value: type, // Keep original lowercase value
                label: formatRecurringTypeLabel(type)
            }));
        } else {
            // Fallback to default types if API fails
            recurringTypes = [
                { value: 'daily', label: 'Daily' },
                { value: 'weekly', label: 'Weekly' },
                { value: 'biweekly', label: 'Biweekly' },
                { value: 'first_tuesday', label: 'First Tuesday' }
            ];
        }
    } catch (error) {
        console.error('Failed to load recurring types:', error);
        // Fallback to default types
        recurringTypes = [
            { value: 'daily', label: 'Daily' },
            { value: 'weekly', label: 'Weekly' },
            { value: 'biweekly', label: 'Biweekly' },
            { value: 'first_tuesday', label: 'First Tuesday' }
        ];
    }
}

function formatRecurringTypeLabel(type) {
    switch (type) {
        case 'daily': return 'Daily';
        case 'weekly': return 'Weekly';
        case 'biweekly': return 'Every Two Weeks';
        case 'monthly': return 'Monthly';
        case 'first_tuesday': return 'First Tuesday of Month';
        case '2nd_3rd_saturday_monthly': return '2nd/3rd Saturday Monthly';
        default: 
            // Capitalize first letter of each word
            return type.split('_').map(word => word.charAt(0).toUpperCase() + word.slice(1)).join(' ');
    }
}

function generateRecurringTypeOptions(selectedValue) {
    console.log('generateRecurringTypeOptions called with selectedValue:', selectedValue);
    console.log('Available recurringTypes:', recurringTypes);
    
    let options = '<option value=""' + (!selectedValue ? ' selected' : '') + '>No Recurrence</option>';
    
    recurringTypes.forEach(type => {
        const selected = selectedValue === type.value ? ' selected' : '';
        console.log(`Comparing "${selectedValue}" === "${type.value}": ${selectedValue === type.value}`);
        options += '<option value="' + type.value + '"' + selected + '>' + type.label + '</option>';
    });
    
    console.log('Generated options HTML:', options);
    return options;
}

function handleLogin() {
    const username = document.getElementById('username').value;
    const password = document.getElementById('password').value;
    
    fetch(API_BASE + '/auth/login', {
        method: 'POST',
        headers: {'Content-Type': 'application/json'},
        body: JSON.stringify({ username: username, password: password })
    })
    .then(response => response.json())
    .then(data => {
        if (data.success && data.data.token) {
            token = data.data.token;
            localStorage.setItem('adminToken', token);
            showDashboard();
            loadStats();
        } else {
            showError('loginError', 'Invalid credentials');
        }
    })
    .catch(error => {
        showError('loginError', 'Login failed: ' + error.message);
    });
}

function showDashboard() {
    document.getElementById('login').classList.add('hidden');
    document.getElementById('dashboard').classList.remove('hidden');
    loadRecurringTypes();
}

function handleLogout() {
    token = '';
    localStorage.removeItem('adminToken');
    document.getElementById('dashboard').classList.add('hidden');
    document.getElementById('login').classList.remove('hidden');
    document.getElementById('password').value = '';
}

function showError(elementId, message) {
    const errorDiv = document.getElementById(elementId);
    errorDiv.textContent = message;
    errorDiv.classList.remove('hidden');
    setTimeout(() => errorDiv.classList.add('hidden'), 5000);
}

async function loadStats() {
    try {
        // Load pending events count
        const pendingResponse = await apiCall(API_BASE + '/admin/events/pending');
        const pendingData = await pendingResponse.json();
        
        if (pendingData.success) {
            document.getElementById('pendingCount').textContent = pendingData.data ? pendingData.data.length : 0;
        }
    } catch (error) {
        if (error.message !== 'Session expired') {
            console.error('Failed to load pending stats:', error);
        }
    }

    try {
        // Load total events count (this endpoint might not need auth)
        const totalResponse = await fetch(API_BASE + '/events');
        const totalData = await totalResponse.json();
        
        if (totalData.success) {
            document.getElementById('totalCount').textContent = totalData.data.total || 0;
        }
    } catch (error) {
        console.error('Failed to load total stats:', error);
    }
}

async function loadPending() {
    try {
        const response = await apiCall(API_BASE + '/admin/events/pending');
        const data = await response.json();
        
        if (data.success) {
            currentEvents = Array.isArray(data.data) ? data.data : [];
            renderPendingEvents(currentEvents);
            document.getElementById('pendingCount').textContent = data.data ? data.data.length : 0;
        } else {
            showContentError('Failed to load pending events');
        }
    } catch (error) {
        if (error.message !== 'Session expired') {
            showContentError('Error loading pending events: ' + error.message);
        }
    }
}

function loadAllEvents() {
    fetch(API_BASE + '/events')
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            const events = data.data.items || [];
            renderAllEvents(events);
        } else {
            showContentError('Failed to load events');
        }
    })
    .catch(error => showContentError('Error loading events: ' + error.message));
}

function renderPendingEvents(events) {
    const content = document.getElementById('content');
    
    if (events.length === 0) {
        content.innerHTML = '<div class="empty-state"><div class="empty-icon success">🎉</div><p class="empty-title">No pending events!</p><p>All caught up. Great job managing your church events!</p></div>';
        return;
    }

    let html = '<div class="content-header"><h2 class="content-title"><span>📋</span>Pending Events</h2><div class="content-badge pending">' + events.length + ' pending</div></div>';
    
    events.forEach(event => {
        const imageUrl = getImageUrl(event);
        html += '<div class="event-item"><div class="event-content">';
        html += '<div class="event-image">';
        if (imageUrl) {
            html += '<img src="' + escapeHtml(imageUrl) + '" alt="Event image" onerror="this.parentElement.innerHTML=\'📅\'">';
        } else {
            html += '📅';
        }
        html += '</div>';
        html += '<div class="event-details">';
        html += '<h3 class="event-title">' + escapeHtml(event.title) + '</h3>';
        html += '<div class="event-description">' + renderHtmlContent(event.description) + '</div>';
        html += '<div class="event-meta">';
        html += '<div class="meta-item"><span>📅</span>' + formatDate(event.start_time) + '</div>';
        html += '<div class="meta-item"><span>📍</span>' + escapeHtml(event.location) + '</div>';
        html += '<div class="meta-item"><span>🏷️</span><span class="category-badge pending">' + escapeHtml(event.category) + '</span></div>';
        if (event.submitter_email) {
            html += '<div class="meta-item"><span>✉️</span>' + escapeHtml(event.submitter_email) + '</div>';
        }
        html += '</div></div>';
        html += '<div class="event-actions">';
        html += '<button onclick="showApproveModal(\'' + event.id + '\')" class="btn-action btn-approve"><span>✓</span>Approve</button>';
        html += '<button onclick="showRejectModal(\'' + event.id + '\')" class="btn-action btn-reject"><span>✗</span>Reject</button>';
        html += '<button onclick="deleteEvent(\'' + event.id + '\')" class="btn-action btn-delete"><span>🗑️</span>Delete</button>';
        html += '</div></div></div>';
    });
    
    content.innerHTML = html;
}

function renderAllEvents(events) {
    const content = document.getElementById('content');
    
    if (events.length === 0) {
        content.innerHTML = '<div class="empty-state"><div class="empty-icon info">📅</div><p class="empty-title">No approved events yet.</p><p>Events will appear here once you approve pending submissions.</p></div>';
        return;
    }

    let html = '<div class="content-header"><h2 class="content-title"><span>📅</span>All Events</h2><div class="content-badge total">' + events.length + ' published</div></div>';
    
    events.forEach(event => {
        const imageUrl = getImageUrl(event);
        html += '<div class="event-item"><div class="event-content">';
        html += '<div class="event-image">';
        if (imageUrl) {
            html += '<img src="' + escapeHtml(imageUrl) + '" alt="Event image" onerror="this.parentElement.innerHTML=\'📅\'">';
        } else {
            html += '📅';
        }
        html += '</div>';
        html += '<div class="event-details">';
        html += '<h3 class="event-title">' + escapeHtml(event.title) + '</h3>';
        html += '<div class="event-description">' + renderHtmlContent(event.description) + '</div>';
        html += '<div class="event-meta">';
        html += '<div class="meta-item"><span>📅</span>' + formatDate(event.start_time) + '</div>';
        html += '<div class="meta-item"><span>📍</span>' + escapeHtml(event.location) + '</div>';
        html += '<div class="meta-item"><span>🏷️</span><span class="category-badge approved">' + escapeHtml(event.category) + '</span></div>';
        if (event.is_featured) {
            html += '<div class="meta-item"><span>⭐</span><span class="category-badge featured">Featured</span></div>';
        }
        html += '</div></div>';
        html += '<div class="event-actions">';
        html += '<button onclick="editEvent(\'' + event.id + '\')" class="btn-action btn-edit"><span>✏️</span>Edit</button>';
        html += '<button onclick="deleteApprovedEvent(\'' + event.id + '\')" class="btn-action btn-delete"><span>🗑️</span>Delete</button>';
        html += '</div></div></div>';
    });
    
    content.innerHTML = html;
}

function showApproveModal(eventId) {
    const event = currentEvents.find(e => e.id === eventId);
    if (!event) return;

    document.getElementById('modalTitle').textContent = 'Approve Event';
    document.getElementById('modalContent').innerHTML = '<div class="form-grid"><div><h4>' + escapeHtml(event.title) + '</h4><p>' + escapeHtml(event.description) + '</p></div><div><label for="approveNotes">Admin Notes (optional)</label><textarea id="approveNotes" rows="3" placeholder="Add any notes for this approval..."></textarea></div></div>';
    document.getElementById('modalActions').innerHTML = '<button onclick="approveEvent(\'' + eventId + '\')" class="btn-approve"><span>✓</span>Approve Event</button>';
    document.getElementById('modal').classList.remove('hidden');
}

function showRejectModal(eventId) {
    const event = currentEvents.find(e => e.id === eventId);
    if (!event) return;

    document.getElementById('modalTitle').textContent = 'Reject Event';
    document.getElementById('modalContent').innerHTML = '<div class="form-grid"><div><h4>' + escapeHtml(event.title) + '</h4><p>' + escapeHtml(event.description) + '</p></div><div><label for="rejectNotes">Reason for rejection *</label><textarea id="rejectNotes" rows="3" placeholder="Please explain why this event is being rejected..." required></textarea></div></div>';
    document.getElementById('modalActions').innerHTML = '<button onclick="rejectEvent(\'' + eventId + '\')" class="btn-reject"><span>✗</span>Reject Event</button>';
    document.getElementById('modal').classList.remove('hidden');
}

function closeModal() {
    document.getElementById('modal').classList.add('hidden');
}

function approveEvent(eventId) {
    const notes = document.getElementById('approveNotes').value;
    
    fetch(API_BASE + '/admin/events/pending/' + eventId + '/approve', {
        method: 'POST',
        headers: {
            'Authorization': 'Bearer ' + token,
            'Content-Type': 'application/json'
        },
        body: JSON.stringify({ admin_notes: notes || null })
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            closeModal();
            loadPending();
            loadStats();
            alert('Event approved successfully!');
        } else {
            alert('Failed to approve event: ' + (data.message || 'Unknown error'));
        }
    })
    .catch(error => alert('Error approving event: ' + error.message));
}

function rejectEvent(eventId) {
    const notes = document.getElementById('rejectNotes').value;
    
    if (!notes.trim()) {
        alert('Please provide a reason for rejection');
        return;
    }
    
    fetch(API_BASE + '/admin/events/pending/' + eventId + '/reject', {
        method: 'POST',
        headers: {
            'Authorization': 'Bearer ' + token,
            'Content-Type': 'application/json'
        },
        body: JSON.stringify({ admin_notes: notes })
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            closeModal();
            loadPending();
            loadStats();
            alert('Event rejected successfully!');
        } else {
            alert('Failed to reject event: ' + (data.message || 'Unknown error'));
        }
    })
    .catch(error => alert('Error rejecting event: ' + error.message));
}

function deleteEvent(eventId) {
    if (!confirm('Are you sure you want to delete this pending event?')) return;
    
    fetch(API_BASE + '/admin/events/pending/' + eventId, {
        method: 'DELETE',
        headers: { 'Authorization': 'Bearer ' + token }
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            loadPending();
            loadStats();
            alert('Event deleted successfully!');
        } else {
            alert('Failed to delete event: ' + (data.message || 'Unknown error'));
        }
    })
    .catch(error => alert('Error deleting event: ' + error.message));
}

function deleteApprovedEvent(eventId) {
    if (!confirm('Are you sure you want to delete this approved event?')) return;
    
    fetch(API_BASE + '/admin/events/' + eventId, {
        method: 'DELETE',
        headers: { 'Authorization': 'Bearer ' + token }
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            loadAllEvents();
            loadStats();
            alert('Event deleted successfully!');
        } else {
            alert('Failed to delete event: ' + (data.message || 'Unknown error'));
        }
    })
    .catch(error => alert('Error deleting event: ' + error.message));
}

function editEvent(eventId) {
    fetch(API_BASE + '/events/' + eventId)
    .then(response => response.json())
    .then(data => {
        if (data.success && data.data) {
            showEditModal(data.data);
        } else {
            alert('Failed to load event details');
        }
    })
    .catch(error => alert('Error loading event: ' + error.message));
}

function showEditModal(event) {
    document.getElementById('modalTitle').textContent = 'Edit Event';
    
    const startTime = event.start_time ? new Date(event.start_time).toISOString().slice(0, 16) : '';
    const endTime = event.end_time ? new Date(event.end_time).toISOString().slice(0, 16) : '';
    
    const modalHTML = '<div class="form-grid">' +
        '<div class="form-grid cols-2">' +
            '<div><label for="editTitle">Title</label><input id="editTitle" type="text" value="' + escapeHtml(event.title) + '"></div>' +
            '<div><label for="editCategory">Category</label><select id="editCategory">' +
                '<option value="Service"' + (event.category === 'Service' ? ' selected' : '') + '>Service</option>' +
                '<option value="Ministry"' + (event.category === 'Ministry' ? ' selected' : '') + '>Ministry</option>' +
                '<option value="Social"' + (event.category === 'Social' ? ' selected' : '') + '>Social</option>' +
                '<option value="Other"' + (event.category === 'Other' ? ' selected' : '') + '>Other</option>' +
            '</select></div>' +
        '</div>' +
        '<div><label for="editDescription">Description</label><textarea id="editDescription" rows="3">' + escapeHtml(event.description) + '</textarea></div>' +
        '<div class="form-grid cols-2">' +
            '<div><label for="editStartTime">Start Time</label><input id="editStartTime" type="datetime-local" value="' + startTime + '"></div>' +
            '<div><label for="editEndTime">End Time</label><input id="editEndTime" type="datetime-local" value="' + endTime + '"></div>' +
        '</div>' +
        '<div class="form-grid cols-2">' +
            '<div><label for="editLocation">Location</label><input id="editLocation" type="text" value="' + escapeHtml(event.location) + '"></div>' +
            '<div><label for="editLocationUrl">Location URL (optional)</label><input id="editLocationUrl" type="url" value="' + (event.location_url || '') + '" placeholder="https://..."></div>' +
        '</div>' +
        '<div class="form-grid cols-2">' +
            '<div><label for="editRecurringType">Recurring Type</label><select id="editRecurringType"><option value="' + escapeHtml(event.recurring_type || '') + '">' + escapeHtml(event.recurring_type || 'No Recurrence') + '</option></select></div>' +
            '<div><label><input id="editFeatured" type="checkbox"' + (event.is_featured ? ' checked' : '') + '> Featured Event</label></div>' +
        '</div>' +
        '<div class="form-grid cols-2">' +
            '<div>' +
                '<label for="editEventImage">Event Image</label>' +
                '<input type="file" id="editEventImage" accept="image/*" style="width: 100%;">' +
                '<div id="editEventImagePreview" style="margin-top: 10px; text-align: center;">' +
                    (event.image ? '<div style="margin-bottom: 10px;"><strong>Current:</strong><br><img src="' + escapeHtml(event.image) + '" style="max-width: 200px; max-height: 150px; border-radius: 8px;" onerror="this.parentElement.innerHTML=\'❌ Current image unavailable\'"></div>' : '') +
                '</div>' +
            '</div>' +
            '<div>' +
                '<label for="editEventThumbnail">Thumbnail Image</label>' +
                '<input type="file" id="editEventThumbnail" accept="image/*" style="width: 100%;">' +
                '<div id="editEventThumbnailPreview" style="margin-top: 10px; text-align: center;">' +
                    (event.thumbnail ? '<div style="margin-bottom: 10px;"><strong>Current:</strong><br><img src="' + escapeHtml(event.thumbnail) + '" style="max-width: 150px; max-height: 100px; border-radius: 8px;" onerror="this.parentElement.innerHTML=\'❌ Current thumbnail unavailable\'"></div>' : '') +
                '</div>' +
            '</div>' +
        '</div>' +
    '</div>';
    
    document.getElementById('modalContent').innerHTML = modalHTML;
    document.getElementById('modalActions').innerHTML = '<button onclick="saveEventEdit(\'' + event.id + '\')" class="btn-edit"><span>💾</span>Save Changes</button>';
    
    // Add image preview functionality for both file inputs
    document.getElementById('editEventImage').addEventListener('change', function(e) {
        const file = e.target.files[0];
        const preview = document.getElementById('editEventImagePreview');
        
        if (file) {
            const reader = new FileReader();
            reader.onload = function(e) {
                preview.innerHTML = 
                    (event.image ? '<div style="margin-bottom: 10px;"><strong>Current:</strong><br><img src="' + escapeHtml(event.image) + '" style="max-width: 200px; max-height: 150px; border-radius: 8px;" onerror="this.parentElement.innerHTML=\'❌ Current image unavailable\'"></div>' : '') +
                    '<div style="margin-top: 10px;"><strong>New:</strong><br><img src="' + e.target.result + '" style="max-width: 200px; max-height: 150px; border-radius: 8px;"></div>';
            };
            reader.readAsDataURL(file);
        } else {
            preview.innerHTML = event.image ? '<div style="margin-bottom: 10px;"><strong>Current:</strong><br><img src="' + escapeHtml(event.image) + '" style="max-width: 200px; max-height: 150px; border-radius: 8px;" onerror="this.parentElement.innerHTML=\'❌ Current image unavailable\'"></div>' : '';
        }
    });
    
    document.getElementById('editEventThumbnail').addEventListener('change', function(e) {
        const file = e.target.files[0];
        const preview = document.getElementById('editEventThumbnailPreview');
        
        if (file) {
            const reader = new FileReader();
            reader.onload = function(e) {
                preview.innerHTML = 
                    (event.thumbnail ? '<div style="margin-bottom: 10px;"><strong>Current:</strong><br><img src="' + escapeHtml(event.thumbnail) + '" style="max-width: 150px; max-height: 100px; border-radius: 8px;" onerror="this.parentElement.innerHTML=\'❌ Current thumbnail unavailable\'"></div>' : '') +
                    '<div style="margin-top: 10px;"><strong>New:</strong><br><img src="' + e.target.result + '" style="max-width: 150px; max-height: 100px; border-radius: 8px;"></div>';
            };
            reader.readAsDataURL(file);
        } else {
            preview.innerHTML = event.thumbnail ? '<div style="margin-bottom: 10px;"><strong>Current:</strong><br><img src="' + escapeHtml(event.thumbnail) + '" style="max-width: 150px; max-height: 100px; border-radius: 8px;" onerror="this.parentElement.innerHTML=\'❌ Current thumbnail unavailable\'"></div>' : '';
        }
    });
    
    // Populate recurring type dropdown with API options
    populateRecurringTypeDropdown(event.recurring_type);
    
    document.getElementById('modal').classList.remove('hidden');
}

function populateRecurringTypeDropdown(currentValue) {
    const select = document.getElementById('editRecurringType');
    if (!select) return;
    
    // Clear existing options except the first one (current value)
    while (select.options.length > 1) {
        select.removeChild(select.lastChild);
    }
    
    // Add "No Recurrence" option if not already the current value
    if (currentValue && currentValue !== '') {
        const noRecurrenceOption = document.createElement('option');
        noRecurrenceOption.value = '';
        noRecurrenceOption.textContent = 'No Recurrence';
        select.appendChild(noRecurrenceOption);
    }
    
    // Add all available recurring types from API
    recurringTypes.forEach(type => {
        // Skip if this is already the current value (already shown as first option)
        if (type.value !== currentValue) {
            const option = document.createElement('option');
            option.value = type.value;
            option.textContent = type.label;
            select.appendChild(option);
        }
    });
}

function saveEventEdit(eventId) {
    const title = document.getElementById('editTitle').value;
    const description = document.getElementById('editDescription').value;
    const location = document.getElementById('editLocation').value;
    const category = document.getElementById('editCategory').value;
    const startTime = document.getElementById('editStartTime').value;
    const endTime = document.getElementById('editEndTime').value;
    const locationUrl = document.getElementById('editLocationUrl').value;
    const recurringType = document.getElementById('editRecurringType').value;
    const imageFile = document.getElementById('editEventImage').files[0];
    const thumbnailFile = document.getElementById('editEventThumbnail').files[0];

    // Validate required fields
    if (!title || !description || !location || !category || !startTime || !endTime) {
        alert('Please fill in all required fields (title, description, location, category, start time, end time)');
        return;
    }

    const eventData = {
        title: title.trim(),
        description: description.trim(),
        location: location.trim(),
        category: category,
        start_time: new Date(startTime).toISOString(),
        end_time: new Date(endTime).toISOString(),
        is_featured: document.getElementById('editFeatured').checked
    };

    if (locationUrl && locationUrl.trim()) eventData.location_url = locationUrl.trim();
    if (recurringType) {
        eventData.recurring_type = recurringType;
    }

    console.log('Sending event data:', JSON.stringify(eventData, null, 2));

    // First update the event text data
    fetch(API_BASE + '/admin/events/' + eventId, {
        method: 'PUT',
        headers: {
            'Authorization': 'Bearer ' + token,
            'Content-Type': 'application/json'
        },
        body: JSON.stringify(eventData)
    })
    .then(response => {
        console.log('Response status:', response.status);
        if (!response.ok) {
            return response.text().then(text => {
                console.error('Error response:', text);
                throw new Error(`HTTP ${response.status}: ${text}`);
            });
        }
        return response.json();
    })
    .then(data => {
        console.log('Success response:', data);
        if (data.success) {
            // Upload images if selected
            const uploadPromises = [];
            
            if (imageFile) {
                const formData = new FormData();
                formData.append('file', imageFile);
                
                const imageUpload = fetch(API_BASE + '/upload/events/' + eventId + '/image', {
                    method: 'POST',
                    headers: {
                        'Authorization': 'Bearer ' + token
                    },
                    body: formData
                });
                uploadPromises.push(imageUpload);
            }
            
            if (thumbnailFile) {
                const formData = new FormData();
                formData.append('file', thumbnailFile);
                
                const thumbnailUpload = fetch(API_BASE + '/upload/events/' + eventId + '/thumbnail', {
                    method: 'POST',
                    headers: {
                        'Authorization': 'Bearer ' + token
                    },
                    body: formData
                });
                uploadPromises.push(thumbnailUpload);
            }
            
            if (uploadPromises.length > 0) {
                Promise.all(uploadPromises)
                .then(responses => {
                    // Check if any uploads failed
                    const failedUploads = responses.filter(r => !r.ok);
                    if (failedUploads.length > 0) {
                        console.warn('Some image uploads failed');
                    }
                    
                    closeModal();
                    loadAllEvents();
                    
                    if (failedUploads.length === 0) {
                        alert('Event updated with images successfully!');
                    } else {
                        alert('Event updated, but some image uploads failed. Please try uploading the images again.');
                    }
                })
                .catch(error => {
                    console.error('Image upload error:', error);
                    closeModal();
                    loadAllEvents();
                    alert('Event updated, but image upload failed: ' + error.message);
                });
            } else {
                closeModal();
                loadAllEvents();
                alert('Event updated successfully!');
            }
        } else {
            alert('Failed to update event: ' + (data.message || 'Unknown error'));
        }
    })
    .catch(error => alert('Error updating event: ' + error.message));
}

// SCHEDULE MANAGEMENT FUNCTIONALITY
async function showSchedules() {
    try {
        const response = await fetch(`${API_BASE}/admin/schedule`, {
            headers: { 'Authorization': 'Bearer ' + token }
        });
        
        if (!response.ok) {
            throw new Error(`HTTP ${response.status}: ${response.statusText}`);
        }
        
        const data = await response.json();
        
        if (data.success && data.data) {
            renderSchedules(data.data);
        } else {
            renderSchedules([]);
        }
    } catch (error) {
        showContentError('Error loading schedules: ' + error.message);
    }
}

function renderSchedules(schedules) {
    const content = document.getElementById('content');
    
    let html = '<div class="content-header">' +
        '<h2 class="content-title"><span>👥</span>Schedule Management</h2>' +
        '<div style="display: flex; gap: 1rem;">' +
            '<button onclick="showCreateScheduleModal()" class="btn-edit"><span>✨</span>Create Schedule</button>' +
            '<button onclick="showImportScheduleModal()" class="btn-approve"><span>📁</span>Import JSON</button>' +
        '</div>' +
    '</div>';
    
    if (schedules.length === 0) {
        html += '<div class="empty-state">' +
            '<div class="empty-icon purple">👥</div>' +
            '<p class="empty-title">No schedules yet.</p>' +
            '<p>Create individual schedules or import from your JSON file.</p>' +
        '</div>';
    } else {
        schedules.forEach(schedule => {
            html += '<div class="event-item">' +
                '<div class="event-content">' +
                    '<div class="event-details">' +
                        '<h3 class="event-title">Schedule for ' + formatDate(schedule.date) + '</h3>' +
                        '<div class="event-meta" style="grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));">' +
                            (schedule.song_leader ? '<div class="meta-item"><span>🎵</span>Song Leader: ' + escapeHtml(schedule.song_leader) + '</div>' : '') +
                            (schedule.ss_teacher ? '<div class="meta-item"><span>📚</span>SS Teacher: ' + escapeHtml(schedule.ss_teacher) + '</div>' : '') +
                            (schedule.ss_leader ? '<div class="meta-item"><span>👨‍🏫</span>SS Leader: ' + escapeHtml(schedule.ss_leader) + '</div>' : '') +
                            (schedule.scripture ? '<div class="meta-item"><span>📖</span>Scripture: ' + escapeHtml(schedule.scripture) + '</div>' : '') +
                            (schedule.childrens_story ? '<div class="meta-item"><span>👶</span>Children\'s Story: ' + escapeHtml(schedule.childrens_story) + '</div>' : '') +
                            (schedule.sermon_speaker ? '<div class="meta-item"><span>🎙️</span>Speaker: ' + escapeHtml(schedule.sermon_speaker) + '</div>' : '') +
                            (schedule.special_music ? '<div class="meta-item"><span>🎼</span>Special Music: ' + escapeHtml(schedule.special_music) + '</div>' : '') +
                        '</div>' +
                    '</div>' +
                    '<div class="event-actions">' +
                        '<button onclick="editSchedule(\'' + schedule.id + '\')" class="btn-action btn-edit"><span>✏️</span>Edit</button>' +
                        '<button onclick="deleteSchedule(\'' + schedule.id + '\')" class="btn-action btn-delete"><span>🗑️</span>Delete</button>' +
                    '</div>' +
                '</div>' +
            '</div>';
        });
    }
    
    content.innerHTML = html;
}

function showImportScheduleModal() {
    document.getElementById('modalTitle').textContent = 'Import Schedule from JSON';
    document.getElementById('modalContent').innerHTML = 
        '<div class="form-grid">' +
            '<div>' +
                '<label for="scheduleJsonFile">Select JSON File</label>' +
                '<input id="scheduleJsonFile" type="file" accept=".json" required>' +
                '<small style="color: var(--muted-color); margin-top: 0.5rem; display: block;">Upload your quarterly schedule JSON file</small>' +
            '</div>' +
            '<div id="importPreview" style="display: none;">' +
                '<h4>Preview:</h4>' +
                '<div id="importPreviewContent"></div>' +
            '</div>' +
            '<div id="importProgress" style="display: none;">' +
                '<div class="progress-bar">' +
                    '<div id="progressFill" class="progress-fill" style="width: 0%;"></div>' +
                '</div>' +
                '<p id="progressText">Processing...</p>' +
            '</div>' +
        '</div>';
            
    document.getElementById('modalActions').innerHTML = 
        '<button id="importButton" onclick="importScheduleFromJson()" class="btn-approve">' +
            '<span>📁</span>Import Schedules' +
        '</button>';
    document.getElementById('modal').classList.remove('hidden');

    // Add file change listener for preview
    document.getElementById('scheduleJsonFile').addEventListener('change', function(e) {
        const file = e.target.files[0];
        if (file) {
            const reader = new FileReader();
            reader.onload = function(e) {
                try {
                    const data = JSON.parse(e.target.result);
                    showImportPreview(data);
                } catch (error) {
                    alert('Invalid JSON file: ' + error.message);
                }
            };
            reader.readAsText(file);
        }
    });
}

function showImportPreview(data) {
    const preview = document.getElementById('importPreview');
    const content = document.getElementById('importPreviewContent');
    
    if (data.scheduleData && data.scheduleData.length > 0) {
        let html = '<p><strong>Found ' + data.scheduleData.length + ' schedule entries</strong></p>';
        html += '<div style="max-height: 200px; overflow-y: auto; border: 1px solid #ddd; padding: 1rem; border-radius: 0.5rem;">';
        
        data.scheduleData.slice(0, 5).forEach(entry => {
            const date = new Date(entry.date).toLocaleDateString();
            html += '<div style="margin-bottom: 0.5rem;">';
            html += '<strong>' + date + '</strong>: ';
            const roles = [];
            if (entry.songLeader) roles.push('Song Leader: ' + entry.songLeader);
            if (entry.scripture) roles.push('Scripture: ' + entry.scripture);
            if (entry.sermonSpeaker) roles.push('Speaker: ' + entry.sermonSpeaker);
            html += roles.length > 0 ? roles.join(', ') : 'No assignments';
            html += '</div>';
        });
        
        if (data.scheduleData.length > 5) {
            html += '<p><em>... and ' + (data.scheduleData.length - 5) + ' more entries</em></p>';
        }
        
        html += '</div>';
        content.innerHTML = html;
        preview.style.display = 'block';
    } else {
        alert('No schedule data found in the JSON file');
    }
}

async function importScheduleFromJson() {
    const fileInput = document.getElementById('scheduleJsonFile');
    const file = fileInput.files[0];
    
    if (!file) {
        alert('Please select a JSON file first');
        return;
    }

    const importButton = document.getElementById('importButton');
    const progressDiv = document.getElementById('importProgress');
    const progressFill = document.getElementById('progressFill');
    const progressText = document.getElementById('progressText');
    
    importButton.disabled = true;
    progressDiv.style.display = 'block';
    
    try {
        const reader = new FileReader();
        reader.onload = async function(e) {
            try {
                const data = JSON.parse(e.target.result);
                
                if (!data.scheduleData || !Array.isArray(data.scheduleData)) {
                    throw new Error('Invalid JSON format - missing scheduleData array');
                }

                const entries = data.scheduleData;
                let imported = 0;
                let errors = 0;

                for (let i = 0; i < entries.length; i++) {
                    const entry = entries[i];
                    const progress = ((i + 1) / entries.length) * 100;
                    
                    progressFill.style.width = progress + '%';
                    progressText.textContent = `Processing ${i + 1} of ${entries.length}...`;

                    try {
                        const scheduleData = {
                            date: new Date(entry.date).toISOString().split('T')[0],
                            song_leader: entry.songLeader || null,
                            ss_teacher: entry.ssTeacher || null,
                            ss_leader: entry.ssLeader || null,
                            mission_story: entry.missionStory || null,
                            special_program: entry.specialProgram || null,
                            sermon_speaker: entry.sermonSpeaker || null,
                            scripture: entry.scripture || null,
                            offering: entry.offering || null,
                            deacons: entry.deacons || null,
                            special_music: entry.specialMusic || null,
                            childrens_story: entry.childrensStory || null,
                            afternoon_program: entry.afternoonProgram || null
                        };

                        const response = await fetch(API_BASE + '/admin/schedule', {
                            method: 'POST',
                            headers: {
                                'Authorization': 'Bearer ' + token,
                                'Content-Type': 'application/json'
                            },
                            body: JSON.stringify(scheduleData)
                        });

                        if (response.ok) {
                            imported++;
                        } else {
                            errors++;
                            console.error('Failed to import entry for', scheduleData.date);
                        }
                    } catch (error) {
                        errors++;
                        console.error('Error processing entry:', error);
                    }

                    // Small delay to show progress
                    await new Promise(resolve => setTimeout(resolve, 100));
                }

                progressText.textContent = `Import complete! ${imported} imported, ${errors} errors`;
                
                setTimeout(() => {
                    closeModal();
                    showSchedules();
                    alert(`Import complete!\n${imported} schedules imported successfully\n${errors} errors occurred`);
                }, 2000);

            } catch (error) {
                progressText.textContent = 'Import failed: ' + error.message;
                importButton.disabled = false;
                alert('Import failed: ' + error.message);
            }
        };
        reader.readAsText(file);
    } catch (error) {
        progressText.textContent = 'Error reading file: ' + error.message;
        importButton.disabled = false;
        alert('Error reading file: ' + error.message);
    }
}

function showCreateScheduleModal() {
    document.getElementById('modalTitle').textContent = 'Create New Schedule';
    document.getElementById('modalContent').innerHTML = `
        <div class="form-grid">
            <div>
                <label for="scheduleDate">Date</label>
                <input id="scheduleDate" type="date" required>
            </div>
            <div class="form-grid cols-2">
                <div>
                    <label for="songLeader">Song Leader</label>
                    <input id="songLeader" type="text" placeholder="e.g., Lisa">
                </div>
                <div>
                    <label for="ssTeacher">SS Teacher</label>
                    <input id="ssTeacher" type="text" placeholder="e.g., John Smith">
                </div>
            </div>
            <div class="form-grid cols-2">
                <div>
                    <label for="ssLeader">SS Leader</label>
                    <input id="ssLeader" type="text" placeholder="e.g., Wayne Tino">
                </div>
                <div>
                    <label for="missionStory">Mission Story</label>
                    <input id="missionStory" type="text" placeholder="e.g., Jerry Travers">
                </div>
            </div>
            <div class="form-grid cols-2">
                <div>
                    <label for="scripture">Scripture Reading</label>
                    <input id="scripture" type="text" placeholder="e.g., Orville Castillo">
                </div>
                <div>
                    <label for="offering">Offering</label>
                    <input id="offering" type="text" placeholder="e.g., Audley Brown">
                </div>
            </div>
            <div class="form-grid cols-2">
                <div>
                    <label for="specialMusic">Special Music</label>
                    <input id="specialMusic" type="text" placeholder="e.g., Michelle Maitland">
                </div>
                <div>
                    <label for="childrensStory">Children's Story</label>
                    <input id="childrensStory" type="text" placeholder="e.g., Sarah Johnson">
                </div>
            </div>
            <div class="form-grid cols-2">
                <div>
                    <label for="sermonSpeaker">Sermon Speaker</label>
                    <input id="sermonSpeaker" type="text" placeholder="e.g., Pastor Joseph Piresson">
                </div>
                <div></div>
            </div>
        </div>
    `;
            
    document.getElementById('modalActions').innerHTML = `
        <button onclick="createSchedule()" class="btn-edit">
            <span>✨</span>Create Schedule
        </button>
    `;
    document.getElementById('modal').classList.remove('hidden');
}

function createSchedule() {
    const date = document.getElementById('scheduleDate').value;
    
    if (!date) {
        alert('Please select a date for the schedule');
        return;
    }

    const scheduleData = {
        date: date,
        song_leader: document.getElementById('songLeader').value || null,
        ss_teacher: document.getElementById('ssTeacher').value || null,
        ss_leader: document.getElementById('ssLeader').value || null,
        mission_story: document.getElementById('missionStory').value || null,
        scripture: document.getElementById('scripture').value || null,
        offering: document.getElementById('offering').value || null,
        special_music: document.getElementById('specialMusic').value || null,
        childrens_story: document.getElementById('childrensStory').value || null,
        sermon_speaker: document.getElementById('sermonSpeaker').value || null
    };

    fetch(API_BASE + '/admin/schedule', {
        method: 'POST',
        headers: {
            'Authorization': 'Bearer ' + token,
            'Content-Type': 'application/json'
        },
        body: JSON.stringify(scheduleData)
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            closeModal();
            showSchedules();
            alert('Schedule created successfully!');
        } else {
            alert('Failed to create schedule: ' + (data.message || 'Unknown error'));
        }
    })
    .catch(error => alert('Error creating schedule: ' + error.message));
}

function editSchedule(scheduleId) {
    fetch(API_BASE + '/admin/schedule', {
        headers: { 'Authorization': 'Bearer ' + token }
    })
    .then(response => response.json())
    .then(data => {
        if (data.success && data.data) {
            const schedule = data.data.find(s => s.id === scheduleId);
            if (schedule) {
                showEditScheduleModal(schedule);
            } else {
                alert('Schedule not found');
            }
        } else {
            alert('Failed to load schedule details');
        }
    })
    .catch(error => alert('Error loading schedule: ' + error.message));
}

function showEditScheduleModal(schedule) {
    document.getElementById('modalTitle').textContent = 'Edit Schedule';
    
    // Format the date properly for HTML date input (YYYY-MM-DD)
    let formattedDate = '';
    if (schedule.date) {
        if (schedule.date.includes('T')) {
            formattedDate = schedule.date.split('T')[0];
        } else {
            formattedDate = schedule.date;
        }
    }
    
    document.getElementById('modalContent').innerHTML = `
        <div class="form-grid">
            <div>
                <label for="editScheduleDate">Date</label>
                <input id="editScheduleDate" type="date" value="${formattedDate}" required>
            </div>
            <div class="form-grid cols-2">
                <div>
                    <label for="editSongLeader">Song Leader</label>
                    <input id="editSongLeader" type="text" value="${schedule.song_leader || ''}">
                </div>
                <div>
                    <label for="editSsTeacher">SS Teacher</label>
                    <input id="editSsTeacher" type="text" value="${schedule.ss_teacher || ''}">
                </div>
            </div>
            <div class="form-grid cols-2">
                <div>
                    <label for="editSsLeader">SS Leader</label>
                    <input id="editSsLeader" type="text" value="${schedule.ss_leader || ''}">
                </div>
                <div>
                    <label for="editMissionStory">Mission Story</label>
                    <input id="editMissionStory" type="text" value="${schedule.mission_story || ''}">
                </div>
            </div>
            <div class="form-grid cols-2">
                <div>
                    <label for="editScripture">Scripture Reading</label>
                    <input id="editScripture" type="text" value="${schedule.scripture || ''}">
                </div>
                <div>
                    <label for="editOffering">Offering</label>
                    <input id="editOffering" type="text" value="${schedule.offering || ''}">
                </div>
            </div>
            <div class="form-grid cols-2">
                <div>
                    <label for="editSpecialMusic">Special Music</label>
                    <input id="editSpecialMusic" type="text" value="${schedule.special_music || ''}">
                </div>
                <div>
                    <label for="editChildrensStory">Children's Story</label>
                    <input id="editChildrensStory" type="text" value="${schedule.childrens_story || ''}">
                </div>
            </div>
            <div class="form-grid cols-2">
                <div>
                    <label for="editSermonSpeaker">Sermon Speaker</label>
                    <input id="editSermonSpeaker" type="text" value="${schedule.sermon_speaker || ''}">
                </div>
                <div></div>
            </div>
        </div>
    `;
            
    document.getElementById('modalActions').innerHTML = `
        <button onclick="saveScheduleEdit('${schedule.id}')" class="btn-edit">
            <span>💾</span>Save Changes
        </button>
    `;
    document.getElementById('modal').classList.remove('hidden');
}

function saveScheduleEdit(scheduleId) {
    const date = document.getElementById('editScheduleDate').value;
    
    if (!date) {
        alert('Please select a date for the schedule');
        return;
    }

    const scheduleData = {
        date: date,
        song_leader: document.getElementById('editSongLeader').value || null,
        ss_teacher: document.getElementById('editSsTeacher').value || null,
        ss_leader: document.getElementById('editSsLeader').value || null,
        mission_story: document.getElementById('editMissionStory').value || null,
        scripture: document.getElementById('editScripture').value || null,
        offering: document.getElementById('editOffering').value || null,
        special_music: document.getElementById('editSpecialMusic').value || null,
        childrens_story: document.getElementById('editChildrensStory').value || null,
        sermon_speaker: document.getElementById('editSermonSpeaker').value || null
    };

    fetch(API_BASE + '/admin/schedule/' + date, {
        method: 'PUT',
        headers: {
            'Authorization': 'Bearer ' + token,
            'Content-Type': 'application/json'
        },
        body: JSON.stringify(scheduleData)
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            closeModal();
            showSchedules();
            alert('Schedule updated successfully!');
        } else {
            alert('Failed to update schedule: ' + (data.message || 'Unknown error'));
        }
    })
    .catch(error => alert('Error updating schedule: ' + error.message));
}

function deleteSchedule(scheduleId) {
    if (!confirm('Are you sure you want to delete this schedule? This action cannot be undone.')) return;
    
    // We need to find the date for this schedule ID
    fetch(API_BASE + '/admin/schedule', {
        headers: { 'Authorization': 'Bearer ' + token }
    })
    .then(response => response.json())
    .then(data => {
        if (data.success && data.data) {
            const schedule = data.data.find(s => s.id === scheduleId);
            if (schedule) {
                return fetch(API_BASE + '/admin/schedule/' + schedule.date, {
                    method: 'DELETE',
                    headers: { 'Authorization': 'Bearer ' + token }
                });
            } else {
                throw new Error('Schedule not found');
            }
        } else {
            throw new Error('Failed to load schedules');
        }
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            showSchedules();
            alert('Schedule deleted successfully!');
        } else {
            alert('Failed to delete schedule: ' + (data.message || 'Unknown error'));
        }
    })
    .catch(error => alert('Error deleting schedule: ' + error.message));
}

// BULLETINS FUNCTIONALITY
async function showBulletins() {
    try {
        // Fetch all bulletins with pagination
        let allBulletins = [];
        let page = 1;
        let hasMore = true;
        
        while (hasMore) {
            const response = await fetch(`${API_BASE}/bulletins?page=${page}&per_page=50`, {
                headers: token ? { 'Authorization': 'Bearer ' + token } : {}
            });
            
            if (!response.ok) {
                throw new Error(`HTTP ${response.status}: ${response.statusText}`);
            }
            
            const data = await response.json();
            
            if (data.success && data.data && data.data.items) {
                allBulletins = allBulletins.concat(data.data.items);
                hasMore = data.data.has_more;
                page++;
            } else {
                hasMore = false;
                if (!data.success) {
                    throw new Error(data.message || 'API returned success: false');
                }
            }
        }
        
        renderBulletins(allBulletins);
    } catch (error) {
        showContentError('Error loading bulletins: ' + error.message);
    }
}

function renderBulletins(bulletins) {
    const content = document.getElementById('content');
    
    if (bulletins.length === 0) {
        content.innerHTML = 
            '<div class="empty-state">' +
                '<div class="empty-icon purple">🗞️</div>' +
                '<p class="empty-title">No bulletins yet.</p>' +
                '<p>Create your first church bulletin to get started.</p>' +
                '<button onclick="showCreateBulletinModal()" class="btn-edit"><span>✨</span>Create First Bulletin</button>' +
            '</div>';
        return;
    }

    let html = '<div class="content-header"><h2 class="content-title"><span>🗞️</span>Church Bulletins</h2><button onclick="showCreateBulletinModal()" class="btn-edit"><span>✨</span>Create New</button></div>';
    
    bulletins.forEach(bulletin => {
        // Create a content preview from available sections
        let contentPreview = '';
        const sections = [bulletin.sabbath_school, bulletin.divine_worship, bulletin.scripture_reading];
        const availableContent = sections.find(section => section && section.trim());
        
        if (availableContent) {
            // Strip HTML tags and get first 150 characters
            contentPreview = stripHtmlTags(availableContent).substring(0, 150);
        } else {
            contentPreview = 'Church bulletin for ' + (bulletin.date || 'Unknown date');
        }
        
        const showMore = availableContent && availableContent.length > 150 ? '...' : '';
        
        html += 
            '<div class="event-item">' +
                '<div class="event-content">' +
                    '<div class="event-image">' +
                        (bulletin.cover_image ? 
                            '<img src="' + escapeHtml(bulletin.cover_image) + '" alt="Bulletin cover image" onerror="this.parentElement.innerHTML=\'🗞️\'">' :
                            '🗞️'
                        ) +
                    '</div>' +
                    '<div class="event-details">' +
                        '<h3 class="event-title">' + escapeHtml(bulletin.title || 'Church Bulletin') + '</h3>' +
                        '<p class="event-description">' + escapeHtml(contentPreview) + showMore + '</p>' +
                        '<div class="event-meta">' +
                            '<div class="meta-item"><span>📅</span>' + formatDate(bulletin.date || bulletin.created_at) + '</div>' +
                            '<div class="meta-item"><span>📄</span>' + (bulletin.pdf_path ? 'PDF Available' : 'No PDF') + '</div>' +
                            '<div class="meta-item"><span>📝</span>' + (bulletin.is_active ? '<span class="category-badge featured">Active</span>' : '<span class="category-badge approved">Inactive</span>') + '</div>' +
                        '</div>' +
                    '</div>' +
                    '<div class="event-actions">' +
                        '<button onclick="viewBulletin(\'' + bulletin.id + '\')" class="btn-action btn-edit"><span>👁️</span>View</button>' +
                        '<button onclick="editBulletin(\'' + bulletin.id + '\')" class="btn-action btn-edit"><span>✏️</span>Edit</button>' +
                        '<button onclick="deleteBulletin(\'' + bulletin.id + '\')" class="btn-action btn-delete"><span>🗑️</span>Delete</button>' +
                    '</div>' +
                '</div>' +
            '</div>';
    });
    
    content.innerHTML = html;
}

function viewBulletin(bulletinId) {
    fetch(API_BASE + '/bulletins/' + bulletinId)
    .then(response => response.json())
    .then(data => {
        if (data.success && data.data) {
            showViewBulletinModal(data.data);
        } else {
            alert('Failed to load bulletin details');
        }
    })
    .catch(error => alert('Error loading bulletin: ' + error.message));
}

function showViewBulletinModal(bulletin) {
    document.getElementById('modalTitle').textContent = bulletin.title || 'Church Bulletin';
    
    let modalContent = '<div class="form-grid">';
    
    // Display cover image if available
    if (bulletin.cover_image) {
        modalContent += '<div style="text-align: center; margin-bottom: 20px;"><img src="' + escapeHtml(bulletin.cover_image) + '" alt="Bulletin cover image" style="max-width: 100%; max-height: 300px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1);"></div>';
    }
    
    // Display bulletin date
    if (bulletin.date) {
        modalContent += '<div><h4>📅 Date</h4><p>' + formatDate(bulletin.date) + '</p></div>';
    }
    
    // Display Sabbath School section
    if (bulletin.sabbath_school) {
        modalContent += '<div><h4>📚 Sabbath School</h4><div>' + renderHtmlContent(bulletin.sabbath_school) + '</div></div>';
    }
    
    // Display Divine Worship section  
    if (bulletin.divine_worship) {
        modalContent += '<div><h4>⛪ Divine Worship</h4><div>' + renderHtmlContent(bulletin.divine_worship) + '</div></div>';
    }
    
    // Display Scripture Reading
    if (bulletin.scripture_reading) {
        modalContent += '<div><h4>📖 Scripture Reading</h4><div>' + renderHtmlContent(bulletin.scripture_reading) + '</div></div>';
    }
    
    // Display Sunset times
    if (bulletin.sunset) {
        modalContent += '<div><h4>🌅 Sunset</h4><div>' + renderHtmlContent(bulletin.sunset) + '</div></div>';
    }
    
    // PDF download link
    if (bulletin.pdf_file || bulletin.pdf_path) {
        let pdfUrl;
        if (bulletin.pdf_path) {
            // If pdf_path already contains the full URL, use it as-is
            pdfUrl = bulletin.pdf_path.startsWith('http') ? 
                bulletin.pdf_path : 
                'https://api.rockvilletollandsda.church/' + bulletin.pdf_path.replace(/^\/+/, '');
        } else {
            // For pdf_file, construct the URL
            pdfUrl = 'https://api.rockvilletollandsda.church/uploads/bulletins/' + bulletin.pdf_file;
        }
        modalContent += '<div><h4>📄 PDF Download</h4><p><a href="' + pdfUrl + '" target="_blank" style="color: var(--church-primary);">Download PDF</a></p></div>';
    }
    
    modalContent += '</div>';
    
    document.getElementById('modalContent').innerHTML = modalContent;
    document.getElementById('modalActions').innerHTML = '';
    document.getElementById('modal').classList.remove('hidden');
}

function showCreateBulletinModal() {
    document.getElementById('modalTitle').textContent = 'Create New Bulletin';
    document.getElementById('modalContent').innerHTML = 
        '<div class="form-grid">' +
            '<div class="form-grid cols-2">' +
                '<div>' +
                    '<label for="bulletinTitle">Title</label>' +
                    '<input id="bulletinTitle" type="text" placeholder="Sunday Bulletin - June 28, 2025" required>' +
                '</div>' +
                '<div>' +
                    '<label for="bulletinDate">Date</label>' +
                    '<input id="bulletinDate" type="date" required>' +
                '</div>' +
            '</div>' +
            '<div>' +
                '<label for="bulletinSabbathSchool">Sabbath School</label>' +
                '<textarea id="bulletinSabbathSchool" rows="4" placeholder="Enter Sabbath School program details..."></textarea>' +
            '</div>' +
            '<div>' +
                '<label for="bulletinDivineWorship">Divine Worship</label>' +
                '<textarea id="bulletinDivineWorship" rows="6" placeholder="Enter Divine Worship service details..."></textarea>' +
            '</div>' +
            '<div>' +
                '<label for="bulletinScripture">Scripture Reading</label>' +
                '<textarea id="bulletinScripture" rows="4" placeholder="Enter scripture reading..."></textarea>' +
            '</div>' +
            '<div>' +
                '<label for="bulletinSunset">Sunset Times</label>' +
                '<textarea id="bulletinSunset" rows="2" placeholder="Sunset Tonight: 8:29 pm\\nSunset Next Friday: 8:31 pm"></textarea>' +
            '</div>' +
            '<div>' +
                '<label for="bulletinCoverImage">Cover Image</label>' +
                '<input type="file" id="bulletinCoverImage" accept="image/*" style="width: 100%;">' +
                '<div id="bulletinCoverImagePreview" style="margin-top: 10px; text-align: center;"></div>' +
            '</div>' +
            '<div>' +
                '<label>' +
                    '<input id="bulletinIsActive" type="checkbox" checked>' +
                    ' Set as active bulletin' +
                '</label>' +
            '</div>' +
        '</div>';
            
    document.getElementById('modalActions').innerHTML = 
        '<button onclick="createBulletin()" class="btn-edit">' +
            '<span>✨</span>Create Bulletin' +
        '</button>';
    
    // Add image preview functionality for file input
    document.getElementById('bulletinCoverImage').addEventListener('change', function(e) {
        const file = e.target.files[0];
        const preview = document.getElementById('bulletinCoverImagePreview');
        
        if (file) {
            const reader = new FileReader();
            reader.onload = function(e) {
                preview.innerHTML = '<img src="' + e.target.result + '" style="max-width: 200px; max-height: 150px; border-radius: 8px;">';
            };
            reader.readAsDataURL(file);
        } else {
            preview.innerHTML = '';
        }
    });
    
    document.getElementById('modal').classList.remove('hidden');
}

function createBulletin() {
    const title = document.getElementById('bulletinTitle').value;
    const date = document.getElementById('bulletinDate').value;
    const sabbathSchool = document.getElementById('bulletinSabbathSchool').value;
    const divineWorship = document.getElementById('bulletinDivineWorship').value;
    const scripture = document.getElementById('bulletinScripture').value;
    const sunset = document.getElementById('bulletinSunset').value;
    const isActive = document.getElementById('bulletinIsActive').checked;
    const coverImageFile = document.getElementById('bulletinCoverImage').files[0];
    
    if (!title.trim()) {
        alert('Please enter a title for the bulletin');
        return;
    }
    
    if (!date) {
        alert('Please select a date for the bulletin');
        return;
    }

    const bulletinData = {
        title: title,
        date: date,
        is_active: isActive
    };
    
    // Add optional sections if they have content
    if (sabbathSchool.trim()) bulletinData.sabbath_school = sabbathSchool;
    if (divineWorship.trim()) bulletinData.divine_worship = divineWorship;
    if (scripture.trim()) bulletinData.scripture_reading = scripture;
    if (sunset.trim()) bulletinData.sunset = sunset;

    // First create the bulletin
    fetch(API_BASE + '/admin/bulletins', {
        method: 'POST',
        headers: {
            'Authorization': 'Bearer ' + token,
            'Content-Type': 'application/json'
        },
        body: JSON.stringify(bulletinData)
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            const bulletinId = data.data.id;
            
            // If cover image is selected, upload it
            if (coverImageFile) {
                const formData = new FormData();
                formData.append('file', coverImageFile);
                
                console.log('Uploading cover image:', coverImageFile.name, 'to bulletin:', bulletinId);
                
                return fetch(API_BASE + '/upload/bulletins/' + bulletinId + '/cover', {
                    method: 'POST',
                    headers: {
                        'Authorization': 'Bearer ' + token
                    },
                    body: formData
                })
                .then(response => {
                    console.log('Upload response status:', response.status);
                    if (!response.ok) {
                        return response.text().then(text => {
                            console.error('Upload error response:', text);
                            throw new Error(`HTTP ${response.status}: ${text}`);
                        });
                    }
                    return response.json();
                })
                .then(uploadData => {
                    console.log('Upload success:', uploadData);
                    if (uploadData.success) {
                        closeModal();
                        showBulletins();
                        alert('Bulletin created with cover image successfully!');
                    } else {
                        alert('Bulletin created but cover image upload failed: ' + (uploadData.message || 'Unknown error'));
                        closeModal();
                        showBulletins();
                    }
                })
                .catch(error => {
                    console.error('Upload error:', error);
                    alert('Bulletin created but cover image upload failed: ' + error.message);
                    closeModal();
                    showBulletins();
                });
            } else {
                closeModal();
                showBulletins();
                alert('Bulletin created successfully!');
            }
        } else {
            alert('Failed to create bulletin: ' + (data.message || 'Unknown error'));
        }
    })
    .catch(error => alert('Error creating bulletin: ' + error.message));
}

function editBulletin(bulletinId) {
    fetch(API_BASE + '/bulletins/' + bulletinId)
    .then(response => response.json())
    .then(data => {
        if (data.success && data.data) {
            showEditBulletinModal(data.data);
        } else {
            alert('Failed to load bulletin details');
        }
    })
    .catch(error => alert('Error loading bulletin: ' + error.message));
}

function showEditBulletinModal(bulletin) {
    document.getElementById('modalTitle').textContent = 'Edit Bulletin';
    document.getElementById('modalContent').innerHTML = 
        '<div class="form-grid">' +
            '<div class="form-grid cols-2">' +
                '<div>' +
                    '<label for="editBulletinTitle">Title</label>' +
                    '<input id="editBulletinTitle" type="text" value="' + escapeHtml(bulletin.title || '') + '" required>' +
                '</div>' +
                '<div>' +
                    '<label for="editBulletinDate">Date</label>' +
                    '<input id="editBulletinDate" type="date" value="' + (bulletin.date || '') + '" required>' +
                '</div>' +
            '</div>' +
            '<div>' +
                '<label for="editBulletinSabbathSchool">Sabbath School</label>' +
                '<textarea id="editBulletinSabbathSchool" rows="4">' + escapeHtml(stripHtmlTags(bulletin.sabbath_school || '')) + '</textarea>' +
            '</div>' +
            '<div>' +
                '<label for="editBulletinDivineWorship">Divine Worship</label>' +
                '<textarea id="editBulletinDivineWorship" rows="6">' + escapeHtml(stripHtmlTags(bulletin.divine_worship || '')) + '</textarea>' +
            '</div>' +
            '<div>' +
                '<label for="editBulletinScripture">Scripture Reading</label>' +
                '<textarea id="editBulletinScripture" rows="4">' + escapeHtml(stripHtmlTags(bulletin.scripture_reading || '')) + '</textarea>' +
            '</div>' +
            '<div>' +
                '<label for="editBulletinSunset">Sunset Times</label>' +
                '<textarea id="editBulletinSunset" rows="2">' + escapeHtml(stripHtmlTags(bulletin.sunset || '')) + '</textarea>' +
            '</div>' +
            '<div>' +
                '<label for="editBulletinCoverImage">Cover Image</label>' +
                '<input type="file" id="editBulletinCoverImage" accept="image/*" style="width: 100%;">' +
                '<div id="editBulletinCoverImagePreview" style="margin-top: 10px; text-align: center;">' +
                    (bulletin.cover_image ? '<div style="margin-bottom: 10px;"><strong>Current:</strong><br><img src="' + escapeHtml(bulletin.cover_image) + '" style="max-width: 200px; max-height: 150px; border-radius: 8px;" onerror="this.parentElement.innerHTML=\'❌ Current image unavailable\'"></div>' : '') +
                '</div>' +
            '</div>' +
            '<div>' +
                '<label>' +
                    '<input id="editBulletinIsActive" type="checkbox"' + (bulletin.is_active ? ' checked' : '') + '>' +
                    ' Set as active bulletin' +
                '</label>' +
            '</div>' +
        '</div>';
            
    document.getElementById('modalActions').innerHTML = 
        '<button onclick="saveBulletinEdit(\'' + bulletin.id + '\')" class="btn-edit">' +
            '<span>💾</span>Save Changes' +
        '</button>';
    
    // Add image preview functionality for file input
    document.getElementById('editBulletinCoverImage').addEventListener('change', function(e) {
        const file = e.target.files[0];
        const preview = document.getElementById('editBulletinCoverImagePreview');
        
        if (file) {
            const reader = new FileReader();
            reader.onload = function(e) {
                preview.innerHTML = 
                    (bulletin.cover_image ? '<div style="margin-bottom: 10px;"><strong>Current:</strong><br><img src="' + escapeHtml(bulletin.cover_image) + '" style="max-width: 200px; max-height: 150px; border-radius: 8px;" onerror="this.parentElement.innerHTML=\'❌ Current image unavailable\'"></div>' : '') +
                    '<div style="margin-top: 10px;"><strong>New:</strong><br><img src="' + e.target.result + '" style="max-width: 200px; max-height: 150px; border-radius: 8px;"></div>';
            };
            reader.readAsDataURL(file);
        } else {
            // If no file selected, show only original image if it exists
            preview.innerHTML = bulletin.cover_image ? '<div style="margin-bottom: 10px;"><strong>Current:</strong><br><img src="' + escapeHtml(bulletin.cover_image) + '" style="max-width: 200px; max-height: 150px; border-radius: 8px;" onerror="this.parentElement.innerHTML=\'❌ Current image unavailable\'"></div>' : '';
        }
    });
    
    document.getElementById('modal').classList.remove('hidden');
}

function saveBulletinEdit(bulletinId) {
    const title = document.getElementById('editBulletinTitle').value;
    const date = document.getElementById('editBulletinDate').value;
    const sabbathSchool = document.getElementById('editBulletinSabbathSchool').value;
    const divineWorship = document.getElementById('editBulletinDivineWorship').value;
    const scripture = document.getElementById('editBulletinScripture').value;
    const sunset = document.getElementById('editBulletinSunset').value;
    const isActive = document.getElementById('editBulletinIsActive').checked;
    const coverImageFile = document.getElementById('editBulletinCoverImage').files[0];
    
    if (!title.trim()) {
        alert('Please enter a title for the bulletin');
        return;
    }
    
    if (!date) {
        alert('Please select a date for the bulletin');
        return;
    }

    const bulletinData = {
        title: title,
        date: date,
        is_active: isActive,
        sabbath_school: sabbathSchool || '',
        divine_worship: divineWorship || '',
        scripture_reading: scripture || '',
        sunset: sunset || ''
    };

    // First update the bulletin text content
    fetch(API_BASE + '/admin/bulletins/' + bulletinId, {
        method: 'PUT',
        headers: {
            'Authorization': 'Bearer ' + token,
            'Content-Type': 'application/json'
        },
        body: JSON.stringify(bulletinData)
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            // If cover image is selected, upload it
            if (coverImageFile) {
                const formData = new FormData();
                formData.append('file', coverImageFile);
                
                console.log('Uploading cover image:', coverImageFile.name, 'to bulletin:', bulletinId);
                
                return fetch(API_BASE + '/upload/bulletins/' + bulletinId + '/cover', {
                    method: 'POST',
                    headers: {
                        'Authorization': 'Bearer ' + token
                    },
                    body: formData
                })
                .then(response => {
                    console.log('Upload response status:', response.status);
                    if (!response.ok) {
                        return response.text().then(text => {
                            console.error('Upload error response:', text);
                            throw new Error(`HTTP ${response.status}: ${text}`);
                        });
                    }
                    return response.json();
                })
                .then(uploadData => {
                    console.log('Upload success:', uploadData);
                    if (uploadData.success) {
                        closeModal();
                        showBulletins();
                        alert('Bulletin updated with new cover image successfully!');
                    } else {
                        alert('Bulletin updated but cover image upload failed: ' + (uploadData.message || 'Unknown error'));
                        closeModal();
                        showBulletins();
                    }
                })
                .catch(error => {
                    console.error('Upload error:', error);
                    alert('Bulletin updated but cover image upload failed: ' + error.message);
                    closeModal();
                    showBulletins();
                });
            } else {
                closeModal();
                showBulletins();
                alert('Bulletin updated successfully!');
            }
        } else {
            alert('Failed to update bulletin: ' + (data.message || 'Unknown error'));
        }
    })
    .catch(error => alert('Error updating bulletin: ' + error.message));
}

function deleteBulletin(bulletinId) {
    if (!confirm('Are you sure you want to delete this bulletin? This action cannot be undone.')) return;
    
    fetch(API_BASE + '/admin/bulletins/' + bulletinId, {
        method: 'DELETE',
        headers: { 'Authorization': 'Bearer ' + token }
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            showBulletins();
            alert('Bulletin deleted successfully!');
        } else {
            alert('Failed to delete bulletin: ' + (data.message || 'Unknown error'));
        }
    })
    .catch(error => alert('Error deleting bulletin: ' + error.message));
}

function showContentError(message) {
    document.getElementById('content').innerHTML = '<div class="empty-state"><p style="color: var(--danger-color); font-size: 1.25rem;">⚠️ ' + message + '</p></div>';
}

function escapeHtml(text) {
    if (!text) return '';
    const div = document.createElement('div');
    div.textContent = text;
    return div.innerHTML;
}

function renderHtmlContent(html) {
    if (!html) return '';
    return html
        .replace(/<p style="[^"]*">/g, '<p>')
        .replace(/<\/p>/g, '</p>')
        .replace(/&lt;/g, '<')
        .replace(/&gt;/g, '>')
        .replace(/&amp;/g, '&');
}

function stripHtmlTags(html) {
    if (!html) return '';
    // Create a temporary div to parse HTML and extract text content
    const div = document.createElement('div');
    div.innerHTML = html;
    return div.textContent || div.innerText || '';
}

function formatDate(dateString) {
    if (!dateString) return 'N/A';
    try {
        // Just display the date/time as-is from the database without timezone conversion
        if (dateString.includes('T')) {
            // For datetime strings like "2025-06-14T19:00:00.000Z"
            // Just remove the T and Z and show readable format
            const [datePart, timePart] = dateString.split('T');
            const cleanTime = timePart.replace(/\.\d{3}Z?$/, ''); // Remove milliseconds and Z
            return `${datePart} ${cleanTime}`;
        }
        // If it's already just a date, return as-is
        return dateString;
    } catch {
        return dateString;
    }
}

// Initialize app with token validation
async function initializeApp() {
    if (token) {
        console.log('Found stored token, validating...');
        const isValid = await validateToken();
        
        if (isValid) {
            console.log('Token is valid, showing dashboard');
            showDashboard();
            loadStats();
        } else {
            console.log('Token is invalid, showing login');
            // Token is invalid, clear it and show login
            token = '';
            localStorage.removeItem('adminToken');
        }
    }
    
    if (!token) {
        // Load recurring types even when not logged in, so they're ready when needed
        loadRecurringTypes();
    }
}

// Start the app
initializeApp();

// Event listeners
document.addEventListener('keydown', function(event) {
    if (event.key === 'Escape') {
        closeModal();
    }
});

document.getElementById('modal').addEventListener('click', function(event) {
    if (event.target === this) {
        closeModal();
    }
});