class_name WeaponBase
extends Node2D

@export var attack_cd: float
@export var attack_damage: float
@export var attack_aoe: float
@export var attack_duration: float
@export var attack_range: float

@onready var active_cd_timer: Timer = $ActiveCDTimer


func _on_attack_cd_timer_timeout() -> void:
	do_attack()


func do_attack() -> void:
	push_error("%s does not implement do_attack" % self)


func do_active() -> void:
	if not active_cd_timer.is_stopped():
		return
	active_cd_timer.start()
	_do_active()


func _do_active() -> void:
	push_error("%s does not implement do_active" % self)


func find_target_in_radius() -> EnemyBase:
	var space_state: PhysicsDirectSpaceState2D = get_world_2d().direct_space_state
	var shape := CircleShape2D.new()
	shape.radius = attack_range

	var query := PhysicsShapeQueryParameters2D.new()
	query.shape = shape
	query.transform = Transform2D(0, global_position)
	query.collision_mask = 2
	query.collide_with_bodies = true
	var results := space_state.intersect_shape(query)
	if len(results) < 1:
		return null
	var closest: PhysicsBody2D = results[0]["collider"]
	for r in results:
		var c: PhysicsBody2D = r["collider"]
		if not c.is_in_group(GlobalConst.GROUP_ENEMY):
			continue
		if (
			c.global_position.distance_to(global_position)
			< closest.global_position.distance_to(global_position)
		):
			closest = c
	return closest