extends Node3D

var start_position
var start_rotation
var random_spread_start
var cycle_count_start
var cycle_count
var ads = false

@export_group("Gun Feel")
@export var gun_name : String
@export_enum("Auto", "Single", "Burst") var fire_mode: int
@export var fov_zoom_amt = .98
@export var recoil_amount : Vector3 = Vector3(.2,0,0)
@export var max_ammo = 15
@export var start_mags = 3
@export var bullet_damage = 1
@export var blast_power = 50.0
@export var bullet_speed : float = 150
@export var bullet_drop = .3
@export var random_spread_amt = 1.0
@export var fire_pitch_scale_amt = .2
@export_group("Gun Assets")
@export_subgroup("Main Assets")
@export var flare_light : Node
@export var bullet : Resource
@export var casing : Resource
@export var mag : Resource
@export_subgroup("Raycast Nodes")
@export var anim_player : Node
@export var barrel_raycast : Node
@export var casing_ejector : Node
@export var mag_ejector : Node
@export_subgroup("Audio Clips")
@export var audio_fire : Node
@export var audio_empty : Node
@export var audio_reload : Node

@onready var player = get_tree().current_scene.player
@onready var level_control = get_tree().current_scene
var rng = RandomNumberGenerator.new()
var gun_index

# Called when the node enters the scene tree for the first time.
func _ready():
	start_position = self.position
	start_rotation = self.rotation
	random_spread_start = random_spread_amt
	
	
	if fire_mode == 0:
		cycle_count = 1
		cycle_count_start = 1
	elif fire_mode == 1:
		cycle_count = 1
		cycle_count_start = 1
	elif fire_mode == 2:
		cycle_count = 3
		cycle_count_start = 3
	


# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(_delta):
	pass


func reload_finished():
	if level_control.ammo_reserve[gun_index] >= max_ammo:
		level_control.ammo_current[gun_index] += max_ammo
		level_control.ammo_reserve[gun_index]  -= max_ammo

	else:
		level_control.ammo_current[gun_index] += level_control.ammo_reserve[gun_index]
		level_control.ammo_reserve[gun_index] -= level_control.ammo_reserve[gun_index]


func shoot(delta):

	if level_control.ammo_current[gun_index] > 0 and cycle_count > 0:
		if !anim_player.is_playing():
			level_control.ammo_current[gun_index] -= 1
			#RECOIL --- fix later to happen over a period of time
			#(ADD PLAYER KICK HERE. RELATIVE TO GUN POSITION)
			audio_fire.pitch_scale = 1 + rng.randf_range(-fire_pitch_scale_amt,fire_pitch_scale_amt) 
			audio_fire.play()
			anim_player.play("shoot")
			# instance bullet
			var instance_bullet = bullet.instantiate()
			instance_bullet.position = barrel_raycast.global_position
			instance_bullet.transform.basis = barrel_raycast.global_transform.basis
			instance_bullet.bullet_speed = bullet_speed
			instance_bullet.player_velocity = player.velocity
			instance_bullet.bullet_damage = bullet_damage
			instance_bullet.blast_power = blast_power
			instance_bullet.player_position = player.global_position
			get_tree().get_root().add_child(instance_bullet)
			player.recoil.add_recoil(recoil_amount,10,10)
			SaveLoad.shots_fired = SaveLoad.null_data_check(SaveLoad.shots_fired, 1)
			if fire_mode != 0:
				cycle_count -= 1

	elif !anim_player.is_playing() and cycle_count != 0:
		anim_player.play("empty")
		audio_empty.play()

func reload():
	if level_control.ammo_current[gun_index]  < max_ammo and player.gun.anim_player.get_current_animation() != "reload" and level_control.ammo_reserve[gun_index]  > 0:
		#player.reloading = true
		anim_player.play("reload")
		audio_reload.play()
		if anim_player.is_playing() and anim_player.current_animation == "reload":
			if level_control.ammo_current[gun_index] == 0:
				level_control.ammo_current[gun_index] = 0
			else:
				level_control.ammo_current[gun_index] = 1

func spawn_mag():
	var instance_mag = mag.instantiate()
	instance_mag.position = mag_ejector.global_position
	instance_mag.transform.basis = mag_ejector.global_transform.basis
	get_tree().get_root().add_child(instance_mag)

func swapped_out():
	queue_free()