module Discorb
  #
  # Represents a webhook.
  # @abstract
  class Webhook
    #
    # Initializes a webhook.
    # @private
    #
    # @param [Discorb::Client] client The client.
    # @param [Hash] data The data of the webhook.
    def initialize: (Discorb::Client client, Discorb::json data) -> void

    def inspect: -> String

    #
    # Posts a message to the webhook.
    # @async
    #
    # @param [String] content The content of the message.
    # @param [Boolean] tts Whether the message should be sent as text-to-speech.
    # @param [Discorb::Embed] embed The embed to send.
    # @param [Array<Discorb::Embed>] embeds The embeds to send.
    # @param [Discorb::AllowedMentions] allowed_mentions The allowed mentions to send.
    # @param [Discorb::Attachment] attachment The attachment to send.
    # @param [Array<Discorb::Attachment>] attachment The attachments to send.
    # @param [String] username The username of the message.
    # @param [String] avatar_url The avatar URL of the message.
    # @param [Boolean] wait Whether to wait for the message to be sent.
    #
    # @return [Discorb::Webhook::Message] The message that was sent.
    # @return [Async::Task<nil>] If `wait` is false.
    def post: (
      ?String? content,
      ?tts: bool,
      ?embed: Discorb::Embed?,
      ?embeds: ::Array[Discorb::Embed]?,
      ?allowed_mentions: Discorb::AllowedMentions?,
      ?attachment: Discorb::Attachment?,
      ?attachments: untyped,
      ?username: String?,
      ?avatar_url: String,
      ?wait: bool
    ) -> Discorb::Webhook::Message

    #
    # Edits the webhook.
    # @async
    # @macro edit
    #
    # @param [String] name The new name of the webhook.
    # @param [Discorb::Image] avatar The new avatar of the webhook.
    # @param [Discorb::GuildChannel] channel The new channel of the webhook.
    #
    # @return [Async::Task<void>] The task.
    def edit: (
      ?name: String,
      ?avatar: Discorb::Image,
      ?channel: Discorb::GuildChannel
    ) -> Async::Task[void]

    #
    # Deletes the webhook.
    # @async
    #
    # @return [Async::Task<void>] The task.
    def delete!: -> Async::Task[void]

    #
    # Edits the webhook's message.
    # @async
    # @macro edit
    #
    # @param [Discorb::Webhook::Message] message The message to edit.
    # @param [String] content The new content of the message.
    # @param [Discorb::Embed] embed The new embed of the message.
    # @param [Array<Discorb::Embed>] embeds The new embeds of the message.
    # @param [Array<Discorb::Attachment>] attachments The attachments to remain.
    # @param [Discorb::Attachment] file The file to send.
    # @param [Array<Discorb::Attachment>] files The files to send.
    # @param [Discorb::AllowedMentions] allowed_mentions The allowed mentions to send.
    #
    # @return [Async::Task<void>] The task.
    def edit_message: (
      Discorb::Webhook::Message message,
      ?String content,
      ?embed: Discorb::Embed,
      ?embeds: ::Array[Discorb::Embed],
      ?file: Discorb::Attachment,
      ?files: ::Array[Discorb::Attachment],
      ?attachments: ::Array[Discorb::Attachment],
      ?allowed_mentions: Discorb::AllowedMentions
    ) -> Async::Task[void]

    #
    # Deletes the webhook's message.
    #
    # @param [Discorb::Webhook::Message] message The message to delete.
    #
    # @return [Async::Task<void>] The task.
    def delete_message!: (
      Discorb::Webhook::Message message
    ) -> Async::Task[void]

    #
    # Creates URLWebhook.
    #
    # @param [String] url The URL of the webhook.
    #
    # @return [Discorb::Webhook::URLWebhook] The URLWebhook.
    def self.new: (
      String url,
      ?client: Discorb::Client?
    ) -> Discorb::Webhook::URLWebhook

    #
    # Creates Webhook with discord data.
    # @private
    #
    # @param [Discorb::Client] client The client.
    # @param [Hash] data The data of the webhook.
    #
    # @return [Discorb::Webhook] The Webhook.
    def self.from_data: (
      Discorb::Client client,
      Discorb::json data
    ) -> Discorb::Webhook

    def self.from_url: (untyped url) -> untyped

    # @return [String] The name of the webhook.
    attr_reader name: String

    # @return [Discorb::Snowflake] The ID of the guild this webhook belongs to.
    attr_reader guild_id: Discorb::Snowflake

    # @return [Discorb::Snowflake] The ID of the channel this webhook belongs to.
    attr_reader channel_id: Discorb::Snowflake

    # @return [Discorb::User] The user that created this webhook.
    attr_reader user: Discorb::User

    # @return [Discorb::Asset] The avatar of the webhook.
    attr_reader avatar: Discorb::Asset

    # @return [Discorb::Snowflake] The application ID of the webhook.
    # @return [nil] If the webhook is not an application webhook.
    attr_reader application_id: Discorb::Snowflake?

    # @return [String] The URL of the webhook.
    attr_reader token: String

    #
    # Represents a webhook from URL.
    class URLWebhook < Discorb::Webhook
      #
      # Initializes the webhook from URL.
      #
      # @param [String] url The URL of the webhook.
      def initialize: (String url, ?client: Discorb::Client?) -> void

      # @return [String] The URL of the webhook.
      attr_reader url: String
    end

    #
    # Represents a bot created webhook.
    class IncomingWebhook < Discorb::Webhook
      #
      # Initializes the incoming webhook.
      # @private
      #
      # @param [Discorb::Client] client The client.
      # @param [String] url The URL of the webhook.
      def initialize: (Discorb::Client client, untyped data) -> void

      # @return [String] The URL of the webhook.
      attr_reader url: String
    end

    #
    # Represents a webhook of channel following.
    class FollowerWebhook < Discorb::Webhook
      #
      # Initializes the follower webhook.
      # @private
      #
      # @param [Discorb::Client] client The client.
      # @param [Hash] data The data of the follower webhook.
      def initialize: (Discorb::Client client, Discorb::json data) -> void

      # Represents a source guild of follower webhook.
      # @return [Discorb::Guild, Discorb::Webhook::FollowerWebhook::Guild] The source guild of follower webhook.
      attr_reader source_guild: Discorb::Guild
      | Discorb::Webhook::FollowerWebhook::Guild

      # Represents a source channel of follower webhook.
      # @return [Discorb::Channel, Discorb::Webhook::FollowerWebhook::Channel] The source channel of follower webhook.
      attr_reader source_channel: Discorb::Channel
      | Discorb::Webhook::FollowerWebhook::Channel

      #
      # Represents a guild of follower webhook.
      class Guild < Discorb::DiscordModel
        #
        # Initialize a new guild.
        # @private
        #
        # @param [Hash] data The data of the guild.
        def initialize: (Discorb::json data) -> void

        def inspect: -> String

        # @return [Discorb::Snowflake] The ID of the guild.
        attr_reader id: Discorb::Snowflake

        # @return [String] The name of the guild.
        attr_reader name: String

        # @return [Discorb::Asset] The icon of the guild.
        attr_reader icon: Discorb::Asset
      end

      #
      # Represents a channel of follower webhook.
      class Channel < Discorb::DiscordModel
        #
        # Initialize a new channel.
        # @private
        #
        # @param [Hash] data The data of the channel.
        def initialize: (Discorb::json data) -> void

        def inspect: -> String

        # @return [Discorb::Snowflake] The ID of the channel.
        attr_reader id: Discorb::Snowflake

        # @return [String] The name of the channel.
        attr_reader name: String
      end
    end

    #
    # Represents a webhook from oauth2.
    class ApplicationWebhook < Discorb::Webhook
    end

    #
    # Represents a webhook message.
    class Message < Discorb::Message
      MESSAGE_TYPE: untyped

      #
      # Initializes the message.
      # @private
      #
      # @param [Discorb::Webhook] webhook The webhook.
      # @param [Hash] data The data of the message.
      # @param [Discorb::Client] client The client. This will be nil if it's created from {URLWebhook}.
      def initialize: (
        Discorb::Webhook webhook,
        Discorb::json data,
        ?Discorb::Client? client
      ) -> void

      #
      # Edits the message.
      # @async
      # @macro edit
      #
      # @param (see Webhook#edit_message)
      #
      # @return [Async::Task<void>] The task.
      def edit: -> Async::Task[void]

      #
      # Deletes the message.
      # @async
      #
      # @return [Async::Task<void>] The task.
      def delete!: -> Async::Task[void]

      # @return [Discorb::Snowflake] The ID of the channel.
      attr_reader channel_id: Discorb::Snowflake

      # @return [Discorb::Snowflake] The ID of the guild.
      attr_reader guild_id: Discorb::Snowflake

      #
      # Represents an author of webhook message.
      class Author < Discorb::DiscordModel
        #
        # Initializes the author.
        # @private
        #
        # @param [Hash] data The data of the author.
        def initialize: (Discorb::json data) -> void

        #
        # Format author with `Name#Discriminator` style.
        #
        # @return [String] Formatted author.
        def to_s: -> String

        def inspect: -> String

        # @return [Boolean] Whether the author is a bot.
        # @note This will be always `true`.
        attr_reader bot: bool
        alias bot? bot

        # @return [Discorb::Snowflake] The ID of the author.
        attr_reader id: Discorb::Snowflake

        # @return [String] The name of the author.
        attr_reader username: String

        # @return [Discorb::Asset] The avatar of the author.
        attr_reader avatar: Discorb::Asset | Discorb::DefaultAvatar

        # @return [String] The discriminator of the author.
        attr_reader discriminator: String
      end
    end
  end
end