import Foundation

final class AudioPlayerSettings: ObservableObject {

    @Published
    var playlistCoverImageSize: Int

    @Published
    var smallCoverImageSize: Int

    @Published
    var audioPlayerJsFile: FileResource?

    @Published
    var audioPlayerCssFile: FileResource?

    @Published
    var german: LocalizedAudioPlayerSettings

    @Published
    var english: LocalizedAudioPlayerSettings

    init(playlistCoverImageSize: Int,
         smallCoverImageSize: Int,
         audioPlayerJsFile: FileResource?,
         audioPlayerCssFile: FileResource?,
         german: LocalizedAudioPlayerSettings,
         english: LocalizedAudioPlayerSettings) {
        self.playlistCoverImageSize = playlistCoverImageSize
        self.smallCoverImageSize = smallCoverImageSize
        self.audioPlayerJsFile = audioPlayerJsFile
        self.audioPlayerCssFile = audioPlayerCssFile
        self.german = german
        self.english = english
    }

    init(file: AudioPlayerSettingsFile, files: [String : FileResource]) {
        self.playlistCoverImageSize = file.playlistCoverImageSize
        self.smallCoverImageSize = file.smallCoverImageSize
        self.audioPlayerJsFile = file.audioPlayerJsFile.map { files[$0] }
        self.audioPlayerCssFile = file.audioPlayerCssFile.map { files[$0] }
        self.german = .init(file: file.german)
        self.english = .init(file: file.english)
    }

    var file: AudioPlayerSettingsFile {
        .init(playlistCoverImageSize: playlistCoverImageSize,
              smallCoverImageSize: smallCoverImageSize,
              audioPlayerJsFile: audioPlayerJsFile?.id,
              audioPlayerCssFile: audioPlayerCssFile?.id,
              german: german.file,
              english: english.file)
    }

    func remove(_ file: FileResource) {
        if audioPlayerJsFile == file {
            audioPlayerJsFile = nil
        }
        if audioPlayerCssFile == file {
            audioPlayerCssFile = nil
        }
    }
}

extension AudioPlayerSettings {

    static let `default`: AudioPlayerSettings = .init(
        playlistCoverImageSize: 280,
        smallCoverImageSize: 78,
        audioPlayerJsFile: nil,
        audioPlayerCssFile: nil,
        german: .init(playlistText: "Wiedergabeliste"),
        english: .init(playlistText: "Playlist"))
}

extension AudioPlayerSettings: LocalizedItem {

}