enum BooruProvider: CaseIterable, Codable, Hashable, Equatable {
  case custom(BooruProviderCustom)
  case danbooru
  case gelbooru
  case konachan
  case safebooru
  case sakugabooru
  case yandere

  // MARK: - Computed Properties
  var domain: String {
    Self.domains[self] ?? rawValue.lowercased()
  }

  var asFileNameComponent: String {
    rawValue.lowercased().replacingOccurrences(of: ".", with: "_")
  }

  static var allCases: [Self] {
    [.danbooru, .gelbooru, .konachan, .safebooru, .sakugabooru, .yandere]
  }

  static func == (lhs: Self, rhs: Self) -> Bool {
    lhs.rawValue == rhs.rawValue
  }

  var rawValue: String {
    switch self {
    case .danbooru:
      "Danbooru"

    case .gelbooru:
      "Gelbooru"

    case .konachan:
      "Konachan.com"

    case .safebooru:
      "Safebooru"

    case .sakugabooru:
      "sakugabooru.com"

    case .yandere:
      "yande.re"

    case .custom(let provider):
      provider.baseURL
    }
  }

  // MARK: - Private
  private static let domains: [Self: String] = [
    .yandere: "yande.re",
    .konachan: "konachan.com",
    .sakugabooru: "sakugabooru.com",
    .safebooru: "safebooru.org",
    .gelbooru: "gelbooru.com",
    .danbooru: "danbooru.donmai.us",
  ]
}