local love = require("love")
require("karten")

PlayerHand = {}
DealerHand = {}

function LoadBlackjack()
	DealerHandPosition = {
		x = love.graphics.getWidth() / 2,
		y = love.graphics.getHeight() / 4,
	}
	PlayerHandPosition = {
		x = love.graphics.getWidth() / 2,
		y = love.graphics.getHeight() / 4 * 2.5,
	}

	Deck = Karten:createDeck()
	Karten:shuffleDeck(Deck)
	DealInitialCards()
	Cards = love.graphics.newImage("/cards_asset_pack/JustNormalCards.png")
end

function UpdateBlackjack(dt)
	dt = dt * 1
end

function DrawBlackjack()
	local suits = { ["Clubs"] = 0, ["Diamonds"] = 1, ["Spades"] = 2, ["Hearts"] = 3 }
	local tileWidth = Cards:getWidth() / 13
	local tileHeight = Cards:getHeight() / 4

	for _, card in pairs(PlayerHand) do
		local tileX = card.value - 2
		local tileY = suits[card.suit]
		love.graphics.draw(
			Cards,
			love.graphics.newQuad(tileX * tileWidth, tileY * tileHeight, tileWidth, tileHeight, Cards:getDimensions()),
			PlayerHandPosition.x - tileWidth / 4,
			PlayerHandPosition.y,
			0,
			0.5
		)
	end

  love.graphics.print(GetHandValue(PlayerHand), PlayerHandPosition.x, PlayerHandPosition.y + tileHeight + 5)

	for _, card in pairs(DealerHand) do
		suits = { ["Clubs"] = 0, ["Diamonds"] = 1, ["Spades"] = 2, ["Hearts"] = 3 }
		tileWidth = Cards:getWidth() / 13
		tileHeight = Cards:getHeight() / 4
		local tileX = math.min(card.value - 2, 9)
		local tileY = suits[card.suit]
		love.graphics.draw(
			Cards,
			love.graphics.newQuad(tileX * tileWidth, tileY * tileHeight, tileWidth, tileHeight, Cards:getDimensions()),
			DealerHandPosition.x - tileWidth / 4,
			DealerHandPosition.y,
			0,
			0.5
		)
	end

	love.graphics.print(GetHandValue(DealerHand), DealerHandPosition.x, DealerHandPosition.y + tileHeight + 5)
end

function GetHandValue(hand)
	local count = 0
	local aces = 0

	for _, card in pairs(hand) do
		if card.value < 10 then
			count = count + card.value
		elseif card.value < 14 then
			count = count + 10
		else
			count = count + 11
			aces = aces + 1
		end
	end

	::aceloop::
	if count > 21 and aces > 0 then
		for _ = 1, aces do
			count = count - 10
			aces = aces - 1
			goto aceloop
		end
	end

	return count
end

function HandleBlackjackInput(key)
	if key == "h" then
		Karten:hit(PlayerHand)
		if Karten:handValue(PlayerHand) > 21 then
			love.graphics.print("Spieler hat verloren!", 50, 200)
		end
	elseif key == "s" then
		-- while Karten:handValue(DealerHand) < 17 do
		Karten:hit(DealerHand)
		-- end
		-- if Karten:handValue(DealerHand) > 21 then
		-- 	print("Dealer hat verloren!", 50, 200)
		-- elseif Karten:handValue(PlayerHand) > Karten:handValue(DealerHand) then
		-- 	print("Spieler gewinnt!", 50, 200)
		-- else
		-- 	print("Dealer gewinnt!", 50, 200)
		-- end
	end
end

function DealInitialCards()
	for i = 1, 2 do
		Karten:hit(PlayerHand)
		Karten:hit(DealerHand)
	end
end