class Message
  attr_reader :responder

  def initialize(responder)
    @responder = responder
  end

  def content
    # TODO: figure out how to delegate
    discord_message.content
  end

  def author
    # TODO: figure out how to delegate
    discord_message.author
  end

  def channel
    # TODO: figure out how to delegate
    discord_message.channel
  end

  def respond(response)
    # TODO: figure out how to delegate
    discord_message.respond response
  end

  def message
    discord_message
  end

  def words
    content.split(" ")
  end

  def first_word
    words.first
  end

  def command_message?
    first_word.start_with? "!"
  end

  def command
    command_message? ? first_word[1..] : nil
  end

  def subcommand
    command_message? ? words[1] : nil
  end

  def params
    command_message? ? words[2..] : []
  end

  class Console < Message
    attr_reader :content

    def initialize(responder, content)
      super(responder)
      @content = content
    end

    def author
      OpenStruct.new(display_name: "CHANGE ME")
    end

    def channel
      OpenStruct.new(id: nil)
    end

    def respond(response)
      responder.call response
    end
  end

  class Discord < Message
    attr_reader :discord_message

    def initialize(responder, discord_message)
      super(responder)
      @discord_message = discord_message
    end

    def content
      # TODO: figure out how to delegate
      discord_message.content
    end

    def author
      # TODO: figure out how to delegate
      discord_message.author
    end

    def channel
      # TODO: figure out how to delegate
      discord_message.channel
    end

    def respond(response)
      # TODO: figure out how to delegate
      discord_message.respond response
    end

    def message
      discord_message
    end
  end
end