extends Node3D

@export var weapon : Weapon
@export var weapon_key : String = "shoot1"
@export var weapon_signal_name = "minigun"
@onready var audio_stream_player_3d: AudioStreamPlayer3D = $AudioStreamPlayer3D
@export var max_ammo : int = 1000

var can_shoot := true

@onready var current_ammo : int = max_ammo

@export var target : Node3D

func set_target(value: Node3D):
	target = value

func _ready() -> void:
	if weapon.shooting_sound:
		audio_stream_player_3d.stream = weapon.shooting_sound


func _physics_process(delta: float) -> void:
	if Input.is_action_pressed(weapon_key):
		shoot()
	if is_instance_valid(target) && target:
		look_at(target.global_position+Vector3(0,.5,0))
	else:
		rotation = Vector3.ZERO


func reload():
	can_shoot = true


func shoot():
	if can_shoot and current_ammo > 0:
		HudSignalBus.emit_signal(weapon_signal_name, current_ammo, max_ammo)
		current_ammo = current_ammo - 1
		print(current_ammo)
		audio_stream_player_3d.play()
		can_shoot = false
		get_tree().create_timer(weapon.cooldown).timeout.connect(reload)
		var new_projectile = weapon.projectile_scene.instantiate()
		new_projectile.global_transform = global_transform
		get_tree().root.add_child(new_projectile)


func _on_area_entered(area: Area3D) -> void:
	if area is WeaponPickup:
		if area.signal_name == weapon_signal_name:
			current_ammo = clamp(current_ammo + area.value, 0, max_ammo)
			HudSignalBus.emit_signal(weapon_signal_name, current_ammo, max_ammo)
			area.activate()