@tool
extends Event2D

# var prev_stage := 0
# var stage := 0

@onready var puppet1 = $"Pro木头人1" as ProAnimatedSprite2D
@onready var puppet2 = $"Pro木头人2" as ProAnimatedSprite2D
@onready var puppet3 = $"Pro木头人3" as ProAnimatedSprite2D
@onready var puppets = [puppet1, puppet2, puppet3]


func _ready() -> void:
	super._ready()
	if Engine.is_editor_hint():
		return


func _on_global_stage_updated(e: StringName, s: int) -> void:
	super._on_global_stage_updated(e, s)


func _on_ground_ready(_ground: Ground2D) -> void:
	_on_stage_updated()


func _on_pre_stage_updated() -> void:
	pass


func _on_stage_updated() -> void:
	# c04_puppet_game: 0:初始化 1:开始游戏 2:游戏胜利
	match stage:
		0:
			var ambush = $"Ambush木头人1" as Ambush2D
			ambush.enabled = true
			ambush.triggered.connect(_welcome_animation.bind(0, ambush))
		1:
			puppet1.animation = "木头人游戏1_进门动作"
			puppet1.frame = puppet1.sprite_frames.get_frame_count("木头人游戏1_进门动作") - 1
			puppet2.animation = "木头人游戏2_进门动作"
			puppet2.frame = puppet2.sprite_frames.get_frame_count("木头人游戏2_进门动作") - 1
			puppet3.animation = "木头人游戏3_进门动作"
			puppet3.frame = puppet3.sprite_frames.get_frame_count("木头人游戏3_进门动作") - 1
			# 玩家移动时，开启游戏
			SceneManager.get_player().position_updated.connect(_on_player_position_updated)
		2:
			puppet1.animation = "木头人游戏1_胜利"
			puppet1.frame = puppet1.sprite_frames.get_frame_count("木头人游戏1_胜利") - 1
			puppet2.animation = "木头人游戏2_胜利"
			puppet2.frame = puppet2.sprite_frames.get_frame_count("木头人游戏2_胜利") - 1
			puppet3.animation = "木头人游戏3_胜利"
			puppet3.frame = puppet3.sprite_frames.get_frame_count("木头人游戏3_胜利") - 1


# 邀请动作
func _welcome_animation(id: int, ambush) -> void:
	ambush.enabled = false
	puppets[id].play("木头人游戏%s_进门动作" % (id + 1))

      
# 0:not started yet; 1-3:started; 4:finished.
var game_stage := 0


func _on_player_position_updated(pos: Vector2) -> void:
	if game_stage == 4:
		return
	if game_stage == 0:
		# 开始游戏
		game_stage = 1
		# 所有 puppet 聚光
		spot_light = 4
		# 从第一个开始游戏
		spot_light = 1






######## 控制聚光灯

const SPOT_LIGHT_ENERGY = 0.3
const SPOT_LIGHT_TWEEN_DURATION = 0.5

# 控制聚光灯，哪个木头人被关注
# 0:无 1:一号 2:二号 3:三号 4:全部
var spot_light = 0:
	set(val):
		if spot_light != val:
			# 从 4 到其他
			var current_lighting: Array = _get_lighting_puppets(spot_light)
			var target_lighting: Array = _get_lighting_puppets(spot_light)
			for p in current_lighting:
				if not target_lighting.has(p):
					# turn off
					create_tween().tween_property(
						p.get_node("PointLight2D"), "energy", 0.0, SPOT_LIGHT_TWEEN_DURATION
					)
			for p in target_lighting:
				if not current_lighting.has(p):
					# turn on
					create_tween().tween_property(
						p.get_node("PointLight2D"),
						"energy",
						SPOT_LIGHT_ENERGY,
						SPOT_LIGHT_TWEEN_DURATION
					)
			spot_light = val


func _get_lighting_puppets(mode: int) -> Array:
	var arr = []
	match mode:
		4:
			arr = [puppet1, puppet2, puppet3]
		1:
			arr = [puppet1]
		2:
			arr = [puppet2]
		3:
			arr = [puppet3]
	return arr