require "twenty_one/player"
require "twenty_one/dealer"
require "twenty_one/deck"
require "twenty_one/ace_card"

module TwentyOne
	class Game
		@@BLACKJACK = 21
		@@DEALER_MIN = 17
		@@MAX_BET = 20 
		@@MIN_BET = 1
		@@SHOE_DECKS_COUNT = 4

		def self.play 
			@playing = true
			@phase = :bet
			@player = Player.new "Alex"

			shoe = [] 

			@@SHOE_DECKS_COUNT.times do
				shoe.concat Deck.new.shuffle
			end

			@dealer = Dealer.new "Harold", shoe

			puts "Welcome to the twenty_one table! Today's dealer is #{@dealer.name}"
			puts "Press any key to begin the game..." 
			gets

			while @playing
				case @phase
				when :bet
					puts "How much would you like to bet? (minimum of $1)"
					amount = gets.chomp.to_i

					if Chip.get_amount(@player.chips) == 0 
						puts "Oh man! You're completely out of money! It's time you see a specialist..."
						@pahse = :gameover
					elsif Chip.get_amount(@player.chips) <= amount
						puts "Woah! You don't have enough money to bet that amount."
					elsif amount > 0
						@phase = :deal
					end
				when :deal
					@player.make_bet amount

					puts "Deal!"

					# Deal cards
					2.times do @dealer.hit(@player) end
					2.times do @dealer.hit(@dealer) end	

					puts "You have:"

					@player.hand.cards.each { |card| puts card }

					puts "The dealer has a #{@dealer.hand.cards.first.to_s} and one card face-down"

					@phase = :player_turn
				when :side_rules
					#TODO: Side Rules
				when :player_turn
					puts "What would you like to do? hit, stand"
				 	choice = gets.chomp	

					case choice
					when "hit"
						@dealer.hit @player

						puts "You got a #{@player.hand.cards.last.to_s}"

						if @player.hand.cards.last.is_a?(AceCard) && @player.hand.cards.last.name == :ace
							puts "You got an #{@player.hand.cards.last.to_s}!"
							puts "Would you like it to value 1 or 11?"
							new_ace_value = gets

							case new_ace_value
							when "1"
									@player.hand.cards.last.use_lower
							when "11"	
									@player.hand.cards.last.use_upper
							end

							puts "Your ace's new value is #{@player.hand.cards.last.value}"
						end

						if @player.hand.value > @@BLACKJACK
							puts "Aaaaah shucks! You have more than 21 which means you lose."
							@phase = :results
						end
					when "stand"
						puts "Alright! It's the dealer's turn."
						@phase = :showdown
					end
				when :dealer_turn
				when :showdown
					puts "The dealer reveals his card!"
					puts "It's a #{@dealer.hand.cards.last.to_s}"

					while @dealer.hand.value < @@DEALER_MIN && @dealer.hand.value != @@BLACKJACK 
						@dealer.hit(@dealer)

						puts "The dealer drew a #{@dealer.hand.cards.last.to_s}"
					end

					result = @dealer.showdown(@player)

					case result
					when :twenty_one
						puts "TwentyOne!"	
					when :win
						puts "You won!"
					when :bust
						puts "You lost!"
					when :push
						puts "Tie!"
					end

					@phase = :results
				when :results
					puts "Here are your game stats:"
					puts "Chips: #{@player.chips.size}"
					puts "Total value: $#{Chip.get_amount(@player.chips)}"
					puts "TwentyOnes: #{@player.twenty_ones}"
					puts "Wins: #{@player.wins}"
					puts "Busts: #{@player.busts}"
					puts "Pushes: #{@player.pushes}"

					puts "Play again?"
					answer = gets.chomp

					case answer
					when "no"
						@playing = false
					when "yes"
						@phase = :bet
					end
				end
			end
		end
	end
end