module ChatWork
  module File
    # Get the list of files associated with the specified chat
    #
    # @param room_id [Integer]
    # @param account_id [Integer]
    #
    # @see http://developer.chatwork.com/ja/endpoint_rooms.html#GET-rooms-room_id-files
    # @see http://download.chatwork.com/ChatWork_API_Documentation.pdf
    #
    # @yield [response_body, response_header] if block was given, return response body and response header through block arguments
    # @yieldparam response_body [Array<Hashie::Mash>] response body
    # @yieldparam response_header [Hash<String, String>] response header (e.g. X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Reset)
    #
    # @return [Array<Hashie::Mash>]
    #
    # @example response format
    #   [
    #     {
    #       "file_id": 3,
    #       "account": {
    #         "account_id": 123,
    #         "name": "Bob",
    #         "avatar_image_url": "https://example.com/ico_avatar.png"
    #       },
    #       "message_id": "22",
    #       "filename": "README.md",
    #       "filesize": 2232,
    #       "upload_time": 1384414750
    #     }
    #   ]
    def self.get(room_id:, account_id:, &block)
      ChatWork.client.get_files(room_id: room_id, account_id: account_id, &block)
    end

    # Get information about the specified file
    #
    # @see http://developer.chatwork.com/ja/endpoint_rooms.html#GET-rooms-room_id-files-file_id
    # @see http://download.chatwork.com/ChatWork_API_Documentation.pdf
    #
    # @param room_id [Integer]
    # @param file_id [Integer]
    # @param create_download_url [Boolean] whether or not to create a download link.
    #                                      If set to true, download like will be created for 30 seconds
    #
    # @yield [response_body, response_header] if block was given, return response body and response header through block arguments
    # @yieldparam response_body [Hashie::Mash] response body
    # @yieldparam response_header [Hash<String, String>] response header (e.g. X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Reset)
    #
    # @return [Hashie::Mash]
    #
    # @example response format
    #   {
    #     "file_id":3,
    #     "account": {
    #       "account_id":123,
    #       "name":"Bob",
    #       "avatar_image_url": "https://example.com/ico_avatar.png"
    #     },
    #     "message_id": "22",
    #     "filename": "README.md",
    #     "filesize": 2232,
    #     "upload_time": 1384414750
    #   }
    def self.find(room_id:, file_id:, create_download_url: nil, &block)
      ChatWork.client.find_file(room_id: room_id, file_id: file_id, create_download_url: create_download_url, &block)
    end

    # Upload a new file to room
    #
    # @see http://developer.chatwork.com/ja/endpoint_rooms.html#POST-rooms-room_id-files
    # @see http://download.chatwork.com/ChatWork_API_Documentation.pdf
    #
    # @param room_id [Integer]
    # @param file    [Faraday::UploadIO]
    # @param message [String]
    #
    # @yield [response_body, response_header] if block was given, return response body and response header through block arguments
    # @yieldparam response_body [Hashie::Mash] response body
    # @yieldparam response_header [Hash<String, String>] response header (e.g. X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Reset)
    #
    # @return [Hashie::Mash]
    #
    # @example how to upload a file
    #   ChatWork::File.create(room_id: 11111111, file: Faraday::UploadIO.new("/path/to/file.txt", "text/plain"), message: "Test")
    #
    # @example response format
    #   {
    #     "file_id": 1234
    #   }
    #
    def self.create(room_id:, file:, message: nil, &block)
      ChatWork.client.create_file(room_id: room_id, file: file, message: message, &block)
    end

    class << self
      alias_method :upload, :create
    end
  end
end