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
@export var rps_button_container: Container
@export var rps_grayed_color: Color

@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

var hovering_cards_this_frame: Array[Control] = []
var hovering_cards_duration: Dictionary = {}
const original_hover_position = 50 # hard coded idk what's a good way to find this value
const hover_animation_time = 0.1
const hover_height_offset = -50
const selected_height_offset = -100

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
	incoming_damage_label.visible = false
	for child in deck.get_children():
		child.queue_free()

func _on_update(transition):
	hovering_cards_duration.clear()
	selected_card = null
	incoming_damage_label.visible = true
	
	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.players[player.id].active_support_cards.size() > 0:
		support1_green.visible = true
		support1_green.card = match_manager.players[player.id].active_support_cards[0]
	else:
		support1_green.visible = false
	
	if match_manager.players[player.id].active_support_cards.size() > 1:
		var card: SupportCard = match_manager.players[player.id].active_support_cards[1]
		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 = "HP " + ("+0" if monster.health_delta == 0 else 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))
			skip_btn.hovering.connect(func (delta): _do_hover(skip_btn, delta))
			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))
					monster_card.hovering.connect(func (delta): _do_hover(monster_card, delta))
				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))
				btn.hovering.connect(func (delta): _do_hover(btn, delta))
	
	if rps_button_container:
		rps_button_container.visible = match_manager.phase == Match.Phase.RPS
		for button: TextureButton in rps_button_container.get_children():
			button.modulate = rps_grayed_color
		
		
func _pop_this_card(control: Control):
	if selected_card:
		selected_card.position = Vector2(selected_card.position.x, original_hover_position)
	
	selected_card = control
	selected_card.position = Vector2(selected_card.position.x, original_hover_position + selected_height_offset)

func _do_hover(control: Control, delta: float):
	if control == selected_card:
		if control in hovering_cards_duration:
			hovering_cards_duration.erase(control)
		return
	
	var duration: float
	if control in hovering_cards_duration:
		duration = hovering_cards_duration[control]
		duration = clampf(duration + delta, 0, hover_animation_time)
		hovering_cards_duration[control] = duration
	else:
		hovering_cards_duration[control] = delta
		duration = delta
	
	var height = lerpf(0, hover_height_offset, duration / hover_animation_time) + original_hover_position
	control.position = Vector2(control.position.x, height)
	
	hovering_cards_this_frame.append(control)

func _process(delta):
	for card in hovering_cards_duration.keys():
		if !card or card in hovering_cards_this_frame:
			continue
		
		var duration = hovering_cards_duration[card]
		duration = maxf(0, duration - delta)
		
		var height = lerpf(0, hover_height_offset, duration / hover_animation_time) + original_hover_position
		card.position = Vector2(card.position.x, height)
		
		if duration == 0:
			hovering_cards_duration.erase(card)
		else:
			hovering_cards_duration[card] = duration
	
	hovering_cards_this_frame.clear()


func _on_kertas_button_button_down() -> void:
	rps_move.emit("paper")
	for button: TextureButton in rps_button_container.get_children():
		button.modulate = rps_grayed_color
	rps_button_container.get_node("KertasButton").modulate = Color.WHITE


func _on_gunting_button_button_down() -> void:
	rps_move.emit("scissors")
	for button: TextureButton in rps_button_container.get_children():
		button.modulate = rps_grayed_color
	rps_button_container.get_node("GuntingButton").modulate = Color.WHITE


func _on_batu_button_button_down() -> void:
	rps_move.emit("rock")
	for button: TextureButton in rps_button_container.get_children():
		button.modulate = rps_grayed_color
	rps_button_container.get_node("BatuButton").modulate = Color.WHITE