import SwiftUI
import Combine
import Foundation

// 扩展UserDefaults以存储收藏和阅读进度数据
extension UserDefaults {
    // 收藏的相册ID
    var favoriteAlbumIds: [String] {
        get {
            return array(forKey: "favoriteAlbumIds") as? [String] ?? []
        }
        set {
            set(newValue, forKey: "favoriteAlbumIds")
        }
    }
    
    // 保存阅读进度
    func saveReadingProgress(albumId: String, position: Double) {
        set(position, forKey: "readingProgress_\(albumId)")
    }
    
    // 获取阅读进度
    func getReadingProgress(albumId: String) -> Double {
        return double(forKey: "readingProgress_\(albumId)")
    }
    
    private var favoriteAlbumIdsKey: String { "favorite_album_ids" }

}