require_relative './session'
 require_relative './lesson'

class Ika
  attr_reader :bot
  attr_reader :lessons, :sessions
  attr_accessor :current_lesson, :current_session

  def initialize(bot)
    @bot = bot
    @lessons = {}
    @sessions = {}
    @current_session = nil
    @current_lesson = Lesson.new
  end

  def start!
    bot.remove_handler @message_handler if @message_handler

    @message_handler = bot.message do |message|
      handle_message message
    end

    bot.run # you can run this in the background, idk
  end

  def end!
    bot.remove_handler @message_handler if @message_handler
  end

  def handle_message message
   if message.message.content == "!init"
     return message.respond("There's already a session running") unless current_session.nil?

     return current_session = Session.new(message, event.message.author)
   elsif message.message.content == "!lesson"
     return message.respond("There's already a lesson running") if current_lesson.running?

     message.respond("Starting a lesson now!")
     return current_lesson.start!(message.channel)
   elsif message.message.content == "!stoplesson"
     return message.respond("There's no lesson running") unless current_lesson.running?

     message.respond("Ending the current lesson!")
     return current_lesson.stop!
   end
  end
end