extends CharacterBody2D

var HP = 30
var Blink : Node2D = null
@onready var animated = $Block_damage_animation
var is_playing_blink: bool = false 
var is_in_observe : bool = false
var is_playing_transition: bool = false
var down_SPEED = 1000.0
var down : bool = false 

func _ready() -> void:
	add_to_group("block")
	if not animated.animation_finished.is_connected(_on_animation_finished):
		animated.animation_finished.connect(_on_animation_finished)
	animated.play("SLEEP")

# 玩家进入 observe 区域
func _on_area_2d_observe_body_entered(body: Node2D) -> void:
	if body.is_in_group("Player"):
		is_in_observe = true
		# 如果没有在播过渡动画，就播 BLINK
		if not is_playing_transition:
			is_playing_transition = true
			animated.play("BLINK")
		# 如果你想强制打断 NOBLINK 直接播 BLINK，可以把上面换成：
		# is_playing_transition = true
		# animated.play("BLINK")

# 玩家离开 observe 区域
func _on_area_2d_observe_body_exited(body: Node2D) -> void:
	if body.is_in_group("Player"):
		is_in_observe = false
		# 如果没有在播过渡动画，就播 NOBLINK
		if not is_playing_transition:
			is_playing_transition = true
			animated.play("NOBLINK")

# 【统一回调】所有动画播放完毕时触发
func _on_animation_finished() -> void:
	# 只要播放完 BLINK 或 NOBLINK，就解除过渡锁定
	if animated.animation == "BLINK" or animated.animation == "NOBLINK":
		is_playing_transition = false
	
	# 根据玩家最终是否在区域内，决定稳定状态
	if is_in_observe:
		animated.play("IDLE")
	else:
		animated.play("SLEEP")


func _on_area_2d_damage_body_entered(body: Node2D) -> void:
	if body.is_in_group("Player"):
		animated.play("HIT")
		down = true
	
func _physics_process(delta: float) -> void:
	if down:
		velocity.y += down_SPEED * delta
	if is_on_floor():
		down = false
		velocity.y = -down_SPEED * 2 
		
	move_and_slide()
	 
	


func _on_area_2d_take_damage_body_entered(body: Node2D) -> void:
	if body.is_in_group("Player"):
		if body.has_method("take_damage"):
			body.take_damage(1)