discorb-lib/discorb

# frozen_string_literal: true

module Discorb
  #
  # Represents a message component interaction.
  # @abstract
  #
  class MessageComponentInteraction < Interaction
    include Interaction::SourceResponder
    include Interaction::UpdateResponder
    include Interaction::ModalResponder

    # @return [String] The content of the response.
    attr_reader :custom_id
    # @return [Discorb::Message] The target message.
    attr_reader :message

    @interaction_type = 3
    @interaction_name = :message_component

    #
    # Initialize a new message component interaction.
    # @private
    #
    # @param [Discorb::Client] client The client.
    # @param [Hash] data The data.
    #
    def initialize(client, data)
      super
      @message =
        Message.new(
          @client,
          data[:message].merge(
            { member: data[:member], guild_id: data[:guild_id] }
          )
        )
    end

    class << self
      # @private
      # @return [Integer] The component type.
      attr_reader :component_type

      #
      # Create a MessageComponentInteraction instance for the given data.
      # @private
      #
      def make_interaction(client, data)
        nested_classes.each do |klass|
          if !klass.component_type.nil? &&
               klass.component_type == data[:data][:component_type]
            return klass.new(client, data)
          end
        end
        client.logger.warn(
          "Unknown component type #{data[:component_type]}, initialized Interaction"
        )
        MessageComponentInteraction.new(client, data)
      end

      #
      # Returns the classes under this class.
      # @private
      #
      def nested_classes
        constants
          .select { |c| const_get(c).is_a? Class }
          .map { |c| const_get(c) }
      end
    end

    #
    # Represents a button interaction.
    #
    class Button < MessageComponentInteraction
      @component_type = 2
      @event_name = :button_click
      # @return [String] The custom id of the button.
      attr_reader :custom_id

      private

      def _set_data(data)
        @custom_id = data[:custom_id]
      end
    end

    #
    # Represents a select menu interaction.
    #
    class SelectMenu < MessageComponentInteraction
      @component_type = 3
      @event_name = :select_menu_select
      # @return [String] The custom id of the select menu.
      attr_reader :custom_id
      # @return [Array<String>] The selected options.
      attr_reader :values

      # @!attribute [r] value
      #   @return [String] The first selected value.

      def value
        @values[0]
      end

      private

      def _set_data(data)
        @custom_id = data[:custom_id]
        @values = data[:values]
      end
    end
  end
end