import Foundation

struct CapturaSettings {
  static var frameRate: Int {
    get {
      if UserDefaults.standard.object(forKey: "frameRate") == nil {
        return 10
      } else {
        return min(10, max(4, UserDefaults.standard.integer(forKey: "frameRate")))
      }
    }
    set {
      UserDefaults.standard.setValue(newValue, forKey: "frameRate")
    }
  }
  
  static var outputFormats: OutputFormatSetting {
    get {
      OutputFormatSetting(rawValue: UserDefaults.standard.integer(forKey: "outputFormats")) ?? .all
    }
    set {
      UserDefaults.standard.setValue(newValue.rawValue, forKey: "outputFormats")
    }
  }
  
  static var shouldSaveMp4: Bool {
    outputFormats.shouldSaveMp4() || (shouldUseBackend && shouldUploadMp4)
  }
  
  static var shouldSaveGif: Bool {
    outputFormats.shouldSaveGif() || (shouldUseBackend && shouldUploadGif)
  }
  
  static var shouldUploadGif: Bool {
    backendFormat.shouldSaveGif()
  }
  
  static var shouldUploadMp4: Bool {
    backendFormat.shouldSaveMp4()
  }
  
  static var shouldUseBackend: Bool {
    backend != nil
  }
  
  static var backend: URL? {
    get {
      if let url = UserDefaults.standard.string(forKey: "backendUrl") {
        return URL(string: url)
      }
      return nil
    }
    set {
      UserDefaults.standard.setValue(newValue?.absoluteString, forKey: "backendUrl")
    }
  }
  
  static var backendFormat: OutputFormatSetting {
    get {
      OutputFormatSetting(rawValue: UserDefaults.standard.integer(forKey: "backendFormat")) ?? .gifOnly
    }
    set {
      UserDefaults.standard.setValue(newValue.rawValue, forKey: "backendFormat")
    }
  }
  
  static var shouldKeepLocalFiles: Bool {
    get {
      if UserDefaults.standard.object(forKey: "keepFiles") == nil {
        return true
      } else {
        return UserDefaults.standard.bool(forKey: "keepFiles")
      }
    }
    set {
      UserDefaults.standard.set(newValue, forKey: "keepFiles")
    }
  }
  
  static var shouldAllowURLAutomation: Bool {
    get {
      UserDefaults.standard.bool(forKey: "allowURLAutomation")
    }
    set {
      UserDefaults.standard.setValue(newValue, forKey: "allowURLAutomation")
    }
  }
  
  static func apply(_ config: ConfigureAction) {
    if let fps = config.fps {
      frameRate = fps
    }
    if let outputs = config.outputs {
      outputFormats = outputs
    }
    if let newBackend = config.backend {
      backend = newBackend
    }
    if let backendOutput = config.backendOutput {
      backendFormat = backendOutput
    }
    if let keepLocalFiles = config.keepLocalFiles {
      shouldKeepLocalFiles = keepLocalFiles
    }
  }
}