use chrono::{DateTime, Utc};
use serde::{Deserialize, Serialize};

/// User information for admin user management
#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct User {
    pub id: String,
    pub username: String,
    pub email: Option<String>,
    pub role: AdminUserRole,
    pub is_active: bool,
    pub created_at: DateTime<Utc>,
    pub updated_at: DateTime<Utc>,
    pub last_login: Option<DateTime<Utc>>,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
pub enum AdminUserRole {
    #[serde(rename = "admin")]
    Admin,
    #[serde(rename = "moderator")]
    Moderator,
    #[serde(rename = "user")]
    User,
}

/// Schedule data
#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct Schedule {
    pub date: String, // YYYY-MM-DD format
    pub sabbath_school: Option<String>,
    pub divine_worship: Option<String>,
    pub scripture_reading: Option<String>,
    pub sunset: Option<String>,
    pub special_notes: Option<String>,
    pub created_at: DateTime<Utc>,
    pub updated_at: DateTime<Utc>,
}

/// Conference data
#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct ConferenceData {
    pub id: String,
    pub name: String,
    pub website: Option<String>,
    pub contact_info: Option<String>,
    pub leadership: Option<Vec<ConferenceLeader>>,
    pub announcements: Option<Vec<String>>,
    pub updated_at: DateTime<Utc>,
}

#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct ConferenceLeader {
    pub name: String,
    pub title: String,
    pub email: Option<String>,
    pub phone: Option<String>,
}

/// New schedule creation
#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct NewSchedule {
    pub date: String, // YYYY-MM-DD format
    pub sabbath_school: Option<String>,
    pub divine_worship: Option<String>,
    pub scripture_reading: Option<String>,
    pub sunset: Option<String>,
    pub special_notes: Option<String>,
}

/// Schedule update
#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct ScheduleUpdate {
    #[serde(skip_serializing_if = "Option::is_none")]
    pub sabbath_school: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub divine_worship: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub scripture_reading: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub sunset: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub special_notes: Option<String>,
}

/// File upload response
#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct UploadResponse {
    pub file_path: String,
    pub pdf_path: Option<String>, // Full URL to the uploaded file
    pub message: String,
}