class GamesController < ApplicationController
  before_action :set_game, only: [:show, :edit, :update, :destroy]

  respond_to :html

  def index
    @games = Game.all
    respond_with(@games)
  end

  def show
    respond_with(@game)
  end

  def new
    @game = Game.new
    respond_with(@game)
  end

  def edit
  end

  def create
    @game = Game.new(title: game_params[:title])
    if game_params[:player_ids]
      game_params[:player_ids].each do |user_id|
        @game.players.new(user_id: user_id)
      end
    end
    @game.save
    respond_with(@game)
  end

  def update
    @game.update(game_params)
    respond_with(@game)
  end

  def destroy
    @game.destroy
    respond_with(@game)
  end

  def join
    @game = Game.find(params[:game_id])
    @game.add_player_from_user(current_user)
    flash[:notice] = "Successfully joined game..."
    redirect_to(@game)
  end

  def start
    @game = Game.find(params[:game_id])

    # If game is already started, simply return
    if @game.status == 'Game Started'
      flash[:notice] = "Game already started..."
      return redirect_to(@game) 
    end

    @game.status = 'Game Started' if @game.startable?
    @game.save

    # Create a deck
    d = Deck.new
    # Shuffle the deck
    d.cards.shuffle!
    # Deal the cards
    @game.players.each do |player|
      13.times do 
        card = d.cards.shift
        player.player_cards.new(card.instance_values)
      end
      player.save
    end

    redirect_to(@game)
  end

  private

  def set_game
    @game = Game.find(params[:id])
  end

  def game_params
    params.require(:game).permit(:title, player_ids: [])
  end
end