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

  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 play_hand
    # TODO: validate player's turn, current_user == @game.current_player.user
    # TODO: move this logic out of controller maybe to model(s)
    @cards_to_play = @game.current_player.player_cards.find(params[:player_card_ids])

    # Instantiate the play
    @play = @game.current_player.plays.new
    @play.game_id = @game.id
    @play.save
    @play.player_cards << @cards_to_play

    #@cards_to_play.each do |card|
      #@play.player_cards << card
    #end

    if @play.save
      # TODO: Ensure active player only changes when valid hand is played
      @game.set_active_player 'next'
      @game.save
    else
      # If play is invalid, remove the cards from the play
      @play.player_cards.map {|card| card.play_id = nil; card.save}
      # Delete play
      @play.destroy
    end

    @play.save
    @play.errors.messages.each do |key, msg|
      flash[key] = msg.join
    end
    redirect_to(@game)

    # TODO: add current_hand logic
    # @hand > @game.hand_to_beat
    #redirect_to @game
  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])

    begin
      @game.start
    rescue StandardError => e
      @game.errors.messages.each do |key, msg|
        flash[key] = msg.join
      end
      redirect_to(@game)
      return
    end
    flash[:notice] = 'Game started.'

    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