extends Node
class_name DeckManager

const DoubleTimeCard = preload("res://Systems/Cards/Doubletime.gd")
const HopscotchCard = preload("res://Systems/Cards/Hopscotch.gd")
const DrunkDrivingCard = preload("res://Systems/Cards/Drunkdriving.gd")
const SupernovaCard = preload("res://Systems/Cards/Supernova.gd")
const ExplosiveBootsCard = preload("res://Systems/Cards/Explosiveboots.gd")
var deck: Array = []
var hand: Array = []
var discard: Array = []
var attached_cards: Dictionary = {}  # piece_id: card
var hand_size: int = 5

# Card costs for shop
const CARD_BASE_COSTS = {
	Card.Rank.RANK_0: 100,
	Card.Rank.RANK_1: 75,
	Card.Rank.RANK_2: 50,
	Card.Rank.RANK_3: 25
}

func _init():
	initializeStartingDeck()

func initializeStartingDeck():
	deck.clear();
	# for i in range(2):
	# 	deck.append(DoubleTimeCard.new()) 
	deck.append(ExplosiveBootsCard.new()) 
	deck.append(DoubleTimeCard.new()) 
	deck.append(DrunkDrivingCard.new()) 
	deck.append(HopscotchCard.new()) 
	deck.append(SupernovaCard.new()) 
	shuffleDeck()
	drawStartingHand()

func shuffleDeck():
	deck.shuffle()

func drawStartingHand():
	for i in range(min(hand_size, deck.size())):
		drawCard()

func drawCard():
	if deck.is_empty() && !discard.is_empty():
		deck = discard.duplicate()
		discard.clear()
		shuffleDeck()
	
	if !deck.is_empty() && hand.size() < hand_size:
		hand.append(deck.pop_back())
	
	emit_signal("hand_updated", hand)
		

signal hand_updated



func playCard(card: Card, target_piece: Pawn, board_flow = null, game_state = null):
	if !hand.has(card):
		# print("Failed Play Card 1")
		return false
	if card.duration > 0:
		attached_cards[target_piece.get_instance_id()] = card
		
	if card.apply_effect(target_piece, board_flow, game_state):
		if card.duration > 0:
			attached_cards[target_piece.get_instance_id()] = card
		hand.erase(card)
		emit_signal("hand_updated", hand)
				
			
		return true
	# print("Failed Play Card 2")
	return false

func updateCardDurations():
	var expired_cards = []
	for piece_id in attached_cards:
		var card = attached_cards[piece_id]
		card.update_duration()
		# print("Card: ", card.id, " | ", card.cardName, " | ", card.remaining_turns)
		if card.remaining_turns <= 0:
			expired_cards.append(piece_id)

		
			match card.rank:
				Card.Rank.RANK_0:
					print("Rank 3 Burned permanently")
					pass
				Card.Rank.RANK_1:
					print("Rank 3 Burned until next match")
					pass
				Card.Rank.RANK_2:
					print("Rank 2 add to Discard")
					discard.append(card)
					pass
				Card.Rank.RANK_3:
					deck.append(card)
					print("Rank 3 add to Deck")
					pass
		else:
			var piece_node = instance_from_id(piece_id)
			if is_instance_valid(piece_node):
				piece_node.update_appearance()
	for piece_id in expired_cards:
		attached_cards.erase(piece_id)
		var piece_node = instance_from_id(piece_id)
		if is_instance_valid(piece_node):
			piece_node.update_appearance()
		
	# print("updateCardDurations", attached_cards)

# Shop functionality
func getShopCards(num_cards: int = 3) -> Array:
	var shop_cards = []
	# Generate random shop selection
	#for i in range(num_cards):
		#var card = generate_random_card()
		#shop_cards.append({
			#"card": card,
			#"cost": calculateCardCost(card)
		#})
	return shop_cards

func calculateCardCost(card: Card) -> int:
	var base_cost = CARD_BASE_COSTS[card.rank]
	# Add modifiers based on card effects
	return base_cost

func upgradeCard(card: Card) -> bool:
	# Implement card upgrading logic
	return false