@tool
extends Sprite2D

signal interact_start

# 0保卫科 1二楼内侧
@export_enum("保卫科", "二楼内侧") var id := 0
@export var enabled := true:
	set(val):
		enabled = val
		if is_node_ready():
			_check_sign_mark_display()

@export var unrevealed_sign_texture: Texture2D
@export var unmatched_sign_texture: Texture2D
@export var matched_sign_texture: Texture2D

@onready var sfx_invalid = $SfxInvalid as Sfx
@onready var sfx_success = $SfxSuccess as Sfx
@onready var sfx_bgm = $SfxBgm as AudioStreamPlayer
@onready var sign_mark = %Sign as Sign
@onready var sign_snapper = %SignSnapper as SignSnapper
@onready var area2d = %Area2D as Area2D

@onready var animated_sprite = $"小手" as AnimatedSprite2D

var ground_archive: GroundArchive

static var item_config_res = preload("res://asset/dialogue/item_description.dialogue")

# 当前小手手持的 prop
var holding_prop = "":
	set(val):
		holding_prop = val
		ground_archive.set_pair(name, "holding_prop", val)
# 是否手持纸杯电话
var is_holding_cup = false:
	set(val):
		is_holding_cup = val
		ground_archive.set_pair(name, "is_holding_cup", val)
# 锡纸是否在地上
var tin_coin_drop = false:
	set(val):
		tin_coin_drop = val
		ground_archive.set_pair(name, "tin_coin_drop", tin_coin_drop)
		if is_node_ready():
			coin.enabled = val
			if tin_coin_drop:
				coin.reset()
# 尝试互动的次数
var icount: int:
	set(val):
		icount = val
		ground_archive.set_pair(name, "icount", val)
		# update sign texture
		if icount == 0:
			# 首次交互前 unrevealed
			sign_mark.sprite2d.texture = unrevealed_sign_texture
		else:
			sign_mark.sprite2d.texture = matched_sign_texture

var coin: Pickable2D


func _ready() -> void:
	if Engine.is_editor_hint():
		return
	# sign_mark.interacted.connect(_on_interacted)
	sign_snapper.arrived.connect(_on_interacted)
	sign_mark.cancel.connect(_on_cancel)
	_check_sign_mark_display()

	# setup default value
	ground_archive = ArchiveManager.archive.ground_archive() as GroundArchive
	is_holding_cup = ground_archive.get_value(name, "is_holding_cup", false)
	holding_prop = ground_archive.get_value(name, "holding_prop", "")
	icount = ground_archive.get_value(name, "icount", 0)

	if holding_prop == "prop_弹珠":
		animated_sprite.play("小手_弹珠_idle")
	elif holding_prop == "prop_老虎钳":
		animated_sprite.play("小手_老虎钳_idle")
	elif is_holding_cup:
		animated_sprite.play("小手_纸杯_idle")
	elif icount > 0:
		animated_sprite.play("小手_show")

	coin = get_node("Pickable元宝")
	tin_coin_drop = ground_archive.get_value(name, "tin_coin_drop", false)
	coin.triggered.connect(func(): tin_coin_drop = false)


func _check_sign_mark_display():
	sign_mark.enabled = enabled and not interacting


# 在场景中调用该方法，可以跳过小手初次交互的伸出过程
func do_first_interact(immediatelly := false):
	if immediatelly:
		animated_sprite.play("小手_idle")
	else:
		animated_sprite.play("小手_show")
		await animated_sprite.animation_changed


func _on_cancel(_body = null) -> void:
	if communicating:
		_quit_communicating()
		return


func _quit_communicating() -> void:
	sfx_bgm.stop()
	if sfx_bgm.finished.is_connected(_quit_communicating):
		sfx_bgm.finished.disconnect(_quit_communicating)
	communicating = false
	SceneManager.release_player()
	# 重置动画
	SceneManager.get_player().set_facing_direction(Vector2.ONE)
	animated_sprite.visible = true
	animated_sprite.play("小手_纸杯_show")


var interacting := false:
	set(val):
		interacting = val
		_check_sign_mark_display()

var communicating = false


func _increase_icount():
	icount += 1
	if icount == 1:
		var stage = EventManager.get_stage(&"c02_little_hand")
		if stage == 0:
			# 首次交互小手
			EventManager.set_stage(&"c02_little_hand", 1)
			# 9 小手交互，吓摔倒
			Util.timer(1.5, $"Sfx摔倒".play)
			SceneManager.pop_os_with_str("c02_小手出现摔倒")
			await SceneManager.lock_player(0, 9, true)
			await SceneManager.pop_os_with_str("c02_小手是什么鬼")
			SceneManager.unlock_player()
		elif stage == 1:
			# 第二次交互小手
			EventManager.set_stage(&"c02_little_hand", 2)
			# 无需 await
			SceneManager.pop_os_with_str("c02_小手再次出现")


func _on_interacted() -> void:
	if interacting:
		print("小手 interacting 锁定中")
		# SceneManager.release_player()
		return
	interacting = true
	interact_start.emit()
	await _increase_icount()
	if icount == 1:
		await do_first_interact(false)
	elif holding_prop != "":
		# 手持物品时，交互直接给玩家物品
		SceneManager.enable_prop_item(holding_prop)
		holding_prop = ""
		animated_sprite.play("小手_show")
		await animated_sprite.animation_changed
	elif is_holding_cup:
		# 对话
		if not communicating:
			communicating = true
			# animated_sprite.visible = false
			# 7 拿起纸杯 8 监听纸杯
			SceneManager.freeze_player(0, 7)
			# 小手收回 play backwards
			animated_sprite.play("小手_纸杯_hide")
			await SceneManager.get_player().animation_finished
			SceneManager.player_action(8)
			SceneManager.pop_debug_dialog_info("音效", "纸杯电话童谣")
			sfx_bgm.play()
			# 交互时，已经在对话中
			sfx_bgm.finished.connect(_quit_communicating, CONNECT_ONE_SHOT)
		else:
			_quit_communicating()
	else:
		var key = SceneManager.get_current_prop(false)
		var interacted_success = false
		SceneManager.lock_player(0, 4)
		# accept_tin_coin
		if key == "prop_锡箔元宝":
			interacted_success = true
			sfx_success.play()
			SceneManager.disable_prop_item("prop_锡箔元宝")
			if id == 1:
				SceneManager.enable_prop_item_silently("prop_小鞋子1")
				ArchiveManager.set_global_entry(&"c02_mouse_follow_player", true)
				# 叠成纸杯电话
				animated_sprite.play("小手_锡箔_hide")
				is_holding_cup = true
				SceneManager.pop_debug_dialog_info(
					"美术", "叠成纸杯: 小手_锡箔_hide + 小手_纸杯_show + 小手_纸杯_idle"
				)
				await Util.wait(2.0)
				# 稍等片刻再给小鞋子
				SceneManager.enable_prop_item("prop_小鞋子1")
				await SceneManager.get_inspector().quit_and_hidden
				await SceneManager.pop_os_with_str("c02_锡箔换小鞋子")
				EventManager.set_stage_if_greater(&"handnote_c02_hand_requireCoin", 2)
				var node = get_node("../自动跟随的老鼠") as Node2D
				if node:
					node.visible = true
				else:
					printerr("小手已接受锡箔；自动跟随的老鼠节点不存在")
			else:
				# 丢下元宝
				animated_sprite.play("小手_锡箔_drop")
				# 先设置允许 pickable，然后再设置可见性，等待动画播完再显示
				tin_coin_drop = true
				coin.visible = false
				await Util.wait(1.5)
				coin.visible = true
				if not ArchiveManager.get_global_value(&"c02_little_hand_dropped_tin"):
					ArchiveManager.set_global_entry(&"c02_little_hand_dropped_tin", true)
					await SceneManager.pop_os_with_str("c02_小手还能换什么")

		# 是否允许老虎钳换弹珠
		var pliers_to_ball = ArchiveManager.get_global_value(&"c02_pliers_to_ball", false)
		if id == 0 and key == "prop_老虎钳" and pliers_to_ball:
			interacted_success = true
			sfx_success.play()
			SceneManager.disable_prop_item("prop_老虎钳")
			animated_sprite.play("小手_老虎钳_hide")
			SceneManager.pop_debug_dialog_info("美术", "小手_老虎钳_hide + 小手_弹珠_show + 小手_弹珠_idle")
			await Util.wait(1.5)
			holding_prop = "prop_弹珠"
			# 换回弹珠后完全结束
			EventManager.set_stage_if_greater(&"handnote_c02_hand_exchange", 2)
		elif id == 0 and key == "prop_弹珠" and not pliers_to_ball:
			interacted_success = true
			sfx_success.play()
			SceneManager.disable_prop_item("prop_弹珠")
			animated_sprite.play("小手_弹珠_hide")
			SceneManager.pop_debug_dialog_info("美术", "小手_弹珠_hide + 小手_老虎钳_show + 小手_老虎钳_idle")
			await Util.wait(1.5)
			holding_prop = "prop_老虎钳"

		if interacted_success:
			EventManager.prop_interacted(name, key, 1)
		else:
			sfx_invalid.play()
			sign_mark.invalid_shake(matched_sign_texture, unmatched_sign_texture)
		SceneManager.unlock_player()
	interacting = false
	if id == 0:
		EventManager.set_stage_if_greater(&"handnote_c02_hand_exchange", 1)
	elif id == 1:
		EventManager.set_stage_if_greater(&"handnote_c02_hand_requireCoin", 1)