extends CharacterBody2D
class_name Bunny

@export var animation_player : AnimationPlayer
@export var min_distance_to_player := 80.0
@export var max_distance_to_player := 800.0
@export var agent : NavigationAgent2D
@export var speed := 100.0

var health : int
var team : int
var player : Node2D

var on_death_callbacks : Array

var dir : Vector2
var spread_time : float
var current_time : float
var collisions : int

func _ready():
	seed(int(str(self)))
	spread_time = randf() * 2 + 0.1
	current_time = spread_time
	
func _physics_process(delta):
	current_time -= delta
	if player != null and self.global_position.distance_to(player.global_position) < max_distance_to_player and collisions <= 3:
		if current_time <= 0:
			current_time = spread_time
			agent.target_position = player.global_position
			if min_distance_to_player and agent.is_target_reachable():
				var next_location = agent.get_next_path_position() + Vector2(randf() - 0.5 * 2, randf() - 0.5 * 2)
				dir = self.global_position.direction_to(next_location).normalized()
		if self.global_position.distance_to(player.global_position) > min_distance_to_player:
			self.velocity = dir * delta * 60 * speed
			update_animation()
			if delta > 0.5:
				print(delta)
			move_and_slide()
		else:
			animation_player.stop()
	pass

func _on_collision(body):
	if body != self: collisions += 1
	pass

func _of_collision(body):
	if body != self: collisions-= 1
	pass

func damage(damage_amount : int):
	health -= damage_amount
	if(health <= 0): on_death()
	pass
	
func heal(health_amount : int):
	self.health += health_amount
	pass

func on_death():
	for callback in on_death_callbacks:
		callback.call(self)
	pass
	
func sub_on_death(callback : Callable):
	on_death_callbacks.push_front(callback)
	pass

func update_animation():
	match self.velocity:
		Vector2.ZERO: animation_player.play("Idle")
		_: 
			var left_dot = Vector2.LEFT.dot(self.velocity)
			var right_dot = Vector2.RIGHT.dot(self.velocity)
			var up_dot = Vector2.UP.dot(self.velocity)
			var down_dot = Vector2.DOWN.dot(self.velocity)
			
			var max_dot = maxf(left_dot, maxf(right_dot, maxf(up_dot, down_dot)))
			match max_dot:
				left_dot: animation_player.play("MoveLeft") 
				right_dot: animation_player.play("MoveRight") 
				up_dot: animation_player.play("MoveUp") 
				down_dot: animation_player.play("MoveDown") 
	pass