extends Node2D

var shootingTime = 0
var bulletSpeed = 0
var hitpoint = 0

var follower = false
var target = null

const ARROW = preload("res://Game/Bullets/arrow.tscn")


func _ready() -> void:
	follower = true
	get_node("CharacterBody2D/Area2D").connect("body_entered", Callable(self, "choose_target"))
	get_node("Timer").timeout.connect(shoot)
	set_process_input(true)
	set_properties()

func _process(delta: float) -> void:
	if follower:
		position = get_viewport().get_mouse_position()
	if not target:
		if get_node("CharacterBody2D/Area2D").get_overlapping_bodies():
			choose_target(null)

func set_properties() -> void:
	if self.name.contains("ArcherTower"):
		get_node("Timer").wait_time = 0.8
		bulletSpeed = 400
		hitpoint = 50
		

func get_if_moving_state():
	return follower

func _input(event):
	if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT and event.pressed:
		if abs(position) <= get_viewport().get_mouse_position():
			follower = false

func choose_target(body : Node2D) -> void:
	if not follower:
		var surroinding_enemies = get_node("CharacterBody2D/Area2D").get_overlapping_bodies()
		target = surroinding_enemies[0]
		for i in surroinding_enemies:
			if i.get_parent().get_progress() > target.get_parent().get_progress():
				target = i
	pass

func shoot() -> void:
	if target != null:
		if self.name.contains("ArcherTower"):
			var arrow = ARROW.instantiate()
			arrow.position = self.position
			arrow.set_speed(bulletSpeed)
			arrow.set_targe(target)
			arrow.set_hitpoint(hitpoint)
			get_parent().add_child(arrow)
	pass