ika_bot/lib/commands/command.rb

module Commands
  @@commands = []

  def self.register_command(command_class)
    @@commands << command_class
  end

  def self.registered_commands
    @@commands
  end

  class Command
    def self.inherited(klass)
      Commands.register_command klass
    end

    def self.for(ika, message)
      Commands.registered_commands.find do |command_class|
        command_class.matches? message.content
      end&.new(ika, message)
    end

    def self.matches?(message_text)
      message_text == "!#{command_string}"
    end

    def self.help
      "!#{command_string} - #{description}"
    end

    def self.description
      "blah blah blah"
    end

    attr_reader :ika, :message

    def initialize(ika, message)
      @ika = ika
      @message = message
    end

    def execute
      puts "This is a generic command! I can't execute anything!"
    end
  end
end