import SwiftUI
import UIKit

// MARK: - Global tvOS Compatibility

#if os(tvOS)
// Add missing system colors for tvOS
extension UIColor {
    static var systemBackground: UIColor { return UIColor.black }
    static var secondarySystemBackground: UIColor { return UIColor.gray.withAlphaComponent(0.1) }
    static var systemGray6: UIColor { return UIColor.gray.withAlphaComponent(0.2) }
}

// Dummy UIActivityViewController for tvOS
class UIActivityViewController: UIViewController {
    convenience init(activityItems: [Any], applicationActivities: [UIActivity]?) {
        self.init()
    }
}

// Add missing NavigationBarItem types
extension NavigationBarItem {
    enum TitleDisplayMode {
        case automatic
        case inline  
        case large
    }
}
#endif

// MARK: - SwiftUI Extensions

extension Color {
    static var systemBackground: Color {
        #if os(iOS)
        return Color(.systemBackground)
        #else
        return Color.black
        #endif
    }
    
    static var secondarySystemBackground: Color {
        #if os(iOS)
        return Color(.secondarySystemBackground)
        #else
        return Color.secondary.opacity(0.1)
        #endif
    }
    
    static var systemGray6: Color {
        #if os(iOS)
        return Color(.systemGray6)
        #else
        return Color.gray.opacity(0.2)
        #endif
    }
}

// MARK: - View Extensions for tvOS Compatibility

extension View {
    func navigationBarTitleDisplayMode(_ mode: NavigationBarItem.TitleDisplayMode) -> some View {
        #if os(iOS)
        return self.navigationBarTitleDisplayMode(mode)
        #else
        return self
        #endif
    }
    
    func navigationBarBackButtonHidden(_ hidden: Bool) -> some View {
        #if os(iOS)
        return self.navigationBarBackButtonHidden(hidden)
        #else
        return self
        #endif
    }
    
    func listRowSeparator(_ visibility: Visibility, edges: VerticalEdge.Set = .all) -> some View {
        #if os(iOS)
        return self.listRowSeparator(visibility, edges: edges)
        #else
        return self
        #endif
    }
}