extends Node3D
class_name Weapon

const DEFAULT = 0
const INITIAL = 1
const SHOOT = 2
const RELOAD = 3

const DRAW_TIME = 0.35

#TODO: Load gun config from file

@export var MAX_CLIP = 5
@export var DAMAGE = 25
@export var MOMENTUM : Vector2
@export var ANGULAR_MOMENTUM : Vector3
@export var RECOIL_COOLDOWN : float
@export var RPM: float
var SHOOTING_SPEED: float
var clip = 444444




var state = DEFAULT

func _ready():
	SHOOTING_SPEED = 60.0 / RPM
	var tween = create_tween()
	tween.set_trans(Tween.TRANS_CIRC)
	tween.set_ease(Tween.EASE_IN_OUT)
	tween.tween_callback(InitialPos).set_delay(DRAW_TIME)
	
	
func InitialPos():
	var tween = create_tween()
	tween.set_trans(Tween.TRANS_CIRC)
	tween.set_ease(Tween.EASE_IN_OUT)
	tween.set_parallel(true)
	tween.tween_property($Revolver, "position", Vector3.ZERO, RECOIL_COOLDOWN / 2)
	tween.tween_property($Revolver, "rotation", Vector3.ZERO, RECOIL_COOLDOWN / 2)
	tween.tween_callback(func(): state = INITIAL).set_delay(SHOOTING_SPEED / 2)



func Shoot():
	if clip > 0 && state == INITIAL:
		clip -= 1
		state = SHOOT;
		var tween = create_tween()
		tween.set_trans(Tween.TRANS_ELASTIC)
		tween.set_ease(Tween.EASE_OUT)
		tween.set_parallel(true)
		tween.tween_property($Revolver, "position", Vector3(.0, MOMENTUM.x, MOMENTUM.y), RECOIL_COOLDOWN / 2)
		var rand_rot_y = randi_range(-ANGULAR_MOMENTUM.y,ANGULAR_MOMENTUM.y)
		var rand_rot_z = randi_range(-ANGULAR_MOMENTUM.z,ANGULAR_MOMENTUM.z)
		tween.tween_property($Revolver, "rotation", Vector3(deg_to_rad(ANGULAR_MOMENTUM.x),deg_to_rad(rand_rot_y),deg_to_rad(rand_rot_z)),RECOIL_COOLDOWN /2)
		tween.tween_callback(InitialPos).set_delay(SHOOTING_SPEED / 2)
		return true
	return false


func Reload():
	if(clip < MAX_CLIP && state == INITIAL):
		state = RELOAD
		
		return true
	return false