extends Control

signal play_card(card: Card)
signal rps_move(move: String)
@export var player_id: int
@export var deck: Container
@export var energy_label: Label
@export var skip_card_prefab: PackedScene
@export var support_red_card_prefab: PackedScene
@export var support_green_card_prefab: PackedScene
@export var monster_card_prefab: PackedScene

@onready var monster_card_ui := $"MonsterCard"
@onready var support1_green := $"Support1GreenCard"
@onready var support2_green := $"Support2GreenCard"
@onready var support2_red := $"Support2RedCard"
@onready var incoming_damage_label := $"IncomingDamageLabel"

var match_manager: MatchManager
var show_buttons: bool
var signal_connected: bool
var selected_card: Control

func attach(match_manager: MatchManager, show_buttons: bool = true):
	self.show_buttons = show_buttons
	self.match_manager = match_manager
	if !signal_connected:
		match_manager.state_transitioned.connect(_on_update)
		signal_connected = true

func _ready():
	monster_card_ui.visible = false
	support1_green.visible = false
	support2_green.visible = false
	support2_red.visible = false
	for child in deck.get_children():
		child.queue_free()

func _on_update(transition):
	selected_card = null
	
	for child in deck.get_children():
		child.queue_free()
	var player: MatchPlayer = match_manager.players.get(player_id) as MatchPlayer
	if not player:
		return
	energy_label.text = "Energy: " + str(player.energy)
	
	if match_manager.support_cards_1.has(player):
		support1_green.visible = true
		support1_green.card = match_manager.support_cards_1[player]
	else:
		support1_green.visible = false
	
	if match_manager.support_cards_2.has(player):
		var card: SupportCard = match_manager.support_cards_2[player]
		if card.type == "green":
			support2_green.visible = true
			support2_green.card = card
		else:
			support2_red.visible = true
			support2_red.card = card
	else:
		support2_green.visible = false
		support2_red.visible = false
	
	
	var monster = player.monster
	
	if monster:
		monster_card_ui.visible = true
		monster_card_ui.show_monster(monster)
		incoming_damage_label.text = "Incoming Damage: " + str(monster.health_delta)
	else:
		monster_card_ui.visible = false
	if match_manager.phase in [Match.Phase.SUMMON, Match.Phase.SUPPORT_1, Match.Phase.SUPPORT_2]:
		
		if 	(
				match_manager.phase != Match.Phase.SUMMON && show_buttons
			) or (
				match_manager.phase == Match.Phase.SUMMON and player.monster and player.monster.health > 0 && show_buttons
			):
			var skip_btn:CardBase = skip_card_prefab.instantiate()
			skip_btn.left_clicked.connect(func (): 
				_pop_this_card(skip_btn)
				play_card.emit(null))
			deck.add_child(skip_btn)
		
		for card: Card in player.hand:
			#if match_manager.phase == Match.Phase.SUMMON and card is not MonsterCard:
				#continue
			#if (match_manager.phase == Match.Phase.SUPPORT_1 or match_manager.phase == Match.Phase.SUPPORT_2) and card is not SupportCard:
				#continue
			#if match_manager.phase == Match.Phase.SUPPORT_1 and card.type == "red":
				#continue
				
			if !show_buttons :
				continue
			
			var is_disabled = (
				card is MonsterCard and match_manager.phase != Match.Phase.SUMMON
			) or (
				card is SupportCard and match_manager.phase != Match.Phase.SUPPORT_1 and match_manager.phase != Match.Phase.SUPPORT_2
			) or (
				card is SupportCard and card.type == "red" and match_manager.phase != Match.Phase.SUPPORT_2
			) or (
				card is MonsterCard and match_manager.phase == Match.Phase.SUMMON and player.monster and player.monster.health > 0
			)
			
			var btn: CardBase = null
			if card is MonsterCard:
				var monster_card:MonsterCardUI = monster_card_prefab.instantiate()
				monster_card.show_monster(MatchMonster.new(card, card.base_health, 0))
				
				if !is_disabled:
					monster_card.left_clicked.connect(func (): 
						_pop_this_card(monster_card)
						play_card.emit(card))
				deck.add_child(monster_card)
				
			elif card is SupportCard and card.type == "red":
				btn = support_red_card_prefab.instantiate()
				btn.card = card
				deck.add_child(btn)
			else:
				btn = support_green_card_prefab.instantiate()
				btn.card = card
				deck.add_child(btn)
		
			if btn and !is_disabled:
				btn.left_clicked.connect(func (): 
					_pop_this_card(btn)
					play_card.emit(card))
			
	if match_manager.phase == Match.Phase.RPS:
		for move in ["rock", "paper", "scissors"]:
			
			if !show_buttons:
				continue
			
			var btn = Button.new()
			btn.text = move
			btn.button_up.connect(func (): rps_move.emit(move))
			deck.add_child(btn)

func _pop_this_card(control: Control):
	if selected_card:
		selected_card.size_flags_vertical = Control.SIZE_SHRINK_END
	
	control.size_flags_vertical = Control.SIZE_SHRINK_BEGIN
	selected_card = control