import Foundation

struct SettingsFavoritePost: Codable, Identifiable, Hashable {
  let id: UUID
  let postId: String
  let tags: [String]
  let createdAt: Date
  let provider: BooruProvider
  var folder: UUID?
  var lastVisit: Date
  var visitedCount: Int
  let thumbnailUrl: String?
  let previewUrl: String?
  let fileUrl: String?
  let fileType: BooruPostFileType
  let rating: BooruRating
  let width: Int
  let height: Int
  let fileSize: Int?

  init(
    post: BooruPost,
    provider: BooruProvider,
    folder: UUID? = nil,
    id: UUID = UUID()
  ) {
    self.createdAt = Date()
    self.lastVisit = Date()
    self.id = id
    self.postId = post.id
    self.tags = post.tags
    self.provider = provider
    self.folder = folder
    self.visitedCount = 0
    self.thumbnailUrl = post.previewURL.absoluteString
    self.previewUrl = post.previewURL.absoluteString
    self.fileUrl = post.fileURL.absoluteString
    self.fileType = .preview
    self.rating = post.rating
    self.width = post.width
    self.height = post.height
    self.fileSize = nil
  }

  enum CodingKeys: String, CodingKey {
    // swiftlint:disable:next explicit_enum_raw_value
    case id, postId, tags, createdAt, provider, folder, lastVisit, visitedCount, thumbnailUrl,
      // swiftlint:disable:next explicit_enum_raw_value
      previewUrl, fileUrl, fileType, rating, width, height, fileSize
  }

  init(from decoder: Decoder) throws {
    let container = try decoder.container(keyedBy: CodingKeys.self)

    self.id = try container.decodeIfPresent(UUID.self, forKey: .id) ?? UUID()
    self.postId = try container.decode(String.self, forKey: .postId)
    self.tags = try container.decodeIfPresent([String].self, forKey: .tags) ?? []
    self.createdAt = try container.decodeIfPresent(Date.self, forKey: .createdAt) ?? Date()
    self.provider =
      try container.decodeIfPresent(BooruProvider.self, forKey: .provider) ?? .safebooru
    self.folder = try container.decodeIfPresent(UUID.self, forKey: .folder)
    self.lastVisit = try container.decodeIfPresent(Date.self, forKey: .lastVisit) ?? Date()
    self.visitedCount = try container.decodeIfPresent(Int.self, forKey: .visitedCount) ?? 0
    self.thumbnailUrl = try container.decodeIfPresent(String.self, forKey: .thumbnailUrl)
    self.previewUrl = try container.decodeIfPresent(String.self, forKey: .previewUrl)
    self.fileUrl = try container.decodeIfPresent(String.self, forKey: .fileUrl)
    self.fileType =
      try container.decodeIfPresent(BooruPostFileType.self, forKey: .fileType) ?? .preview
    self.rating = try container.decodeIfPresent(BooruRating.self, forKey: .rating) ?? .questionable
    self.width = try container.decodeIfPresent(Int.self, forKey: .width) ?? 0
    self.height = try container.decodeIfPresent(Int.self, forKey: .height) ?? 0
    self.fileSize = try container.decodeIfPresent(Int.self, forKey: .fileSize)
  }

  func encode(to encoder: Encoder) throws {
    var container = encoder.container(keyedBy: CodingKeys.self)

    try container.encode(id, forKey: .id)
    try container.encode(postId, forKey: .postId)
    try container.encode(tags, forKey: .tags)
    try container.encode(createdAt, forKey: .createdAt)
    try container.encode(provider, forKey: .provider)
    try container.encodeIfPresent(folder, forKey: .folder)
    try container.encode(lastVisit, forKey: .lastVisit)
    try container.encode(visitedCount, forKey: .visitedCount)
    try container.encodeIfPresent(thumbnailUrl, forKey: .thumbnailUrl)
    try container.encodeIfPresent(previewUrl, forKey: .previewUrl)
    try container.encodeIfPresent(fileUrl, forKey: .fileUrl)
    try container.encode(fileType.rawValue, forKey: .fileType)
    try container.encode(rating, forKey: .rating)
    try container.encode(width, forKey: .width)
    try container.encode(height, forKey: .height)
    try container.encodeIfPresent(fileSize, forKey: .fileSize)
  }
}