extends Node3D

const CONFIG_PATH = "user://weapons.scoom"
const REVOLVER = 0


const REST = 0
const BOB = 1

var state = 0
@onready var player_root = get_node("../../../../PlayerQ3") as CharacterBody3D
@onready var raycast = get_node("../Camera3D/AimCast") as RayCast3D

var weapons = []

var current_weapon = 0

var file_data = {
		REVOLVER:
			{
				"HAND_POS": Vector3(0.4,-0.45,-1),
				"HAND_ROT": Vector3(0,PI,0),
				"MODEL": "Revolver",
				"MAX_CLIP": 5,
				"DAMAGE": 25,
				"MOMENTUM": Vector2(0.3, -0.25),
				"ANGULAR_MOMENTUM": Vector3(-60, 7, 10),
				"RECOIL_COOLDOWN": 0.35,
				"RPM": 120,
				"DRAW_POS": Vector3(0,-0.5,-0.3),
				"DRAW_ROT": Vector3(1.3, 0, 0),
				"RELOAD_MOMENTUM": Vector3(-5, -9, 7),
				"RELOAD_ANGULAR_MOMENTUM": Vector3(deg_to_rad(600), deg_to_rad(-800), deg_to_rad(-1000)),
				"RELOAD_TIME": 0.35,
				"HITSCAN": true
			}
	}
	
var mouse_mov : Vector3
var sway_lerp = 5

func _ready():
	save_data(file_data)
	load_data()
	
	for i in range(0, file_data.size()):
		var root = Weapon.new()
		root.name = str(i)
		var resource = "res://scenes/weapons/" + file_data[i].MODEL + ".tscn"
		var weapon_model_resource = load(resource)
		var weapon_model = weapon_model_resource.instantiate()
		
		#Set Weapon nodes
		root.add_child(weapon_model)
		root.position = file_data[i].HAND_POS
		root.rotation = file_data[i].HAND_ROT
		root.hide()
		add_child(root)
		
		#Set Weapon Data
		root.MAX_CLIP = file_data[i].MAX_CLIP
		root.clip = root.MAX_CLIP
		root.DAMAGE = file_data[i].DAMAGE
		root.MOMENTUM = file_data[i].MOMENTUM
		root.ANGULAR_MOMENTUM = file_data[i].ANGULAR_MOMENTUM
		root.RECOIL_COOLDOWN = file_data[i].RECOIL_COOLDOWN
		root.RELOAD_MOMENTUM = file_data[i].RELOAD_MOMENTUM
		root.RELOAD_ANGULAR_MOMENTUM = file_data[i].RELOAD_ANGULAR_MOMENTUM
		root.RELOAD_TIME = file_data[i].RELOAD_TIME
		root.RPM = file_data[i].RPM
		root.MODEL = root.get_node(file_data[i].MODEL)
		root.DRAW_POS = file_data[i].DRAW_POS
		root.DRAW_ROT = file_data[i].DRAW_ROT
		root.HITSCAN = file_data[i].HITSCAN
		if(not root.HITSCAN):
			print("Projectile stats")
			
		weapons.append(root)
	weapons[current_weapon].init()
	raycast.target_position.z = -weapons[current_weapon].RAY_LEN


func _input(event):
	if event is InputEventMouseMotion:
		mouse_mov.y = clampf(-event.relative.x, -0.1, 0.1)
		mouse_mov.x = clampf(event.relative.y, -0.1, 0.1)
		
	
func _unhandled_input(_event):
	if weapons.size() > 1 && Input.is_action_just_released("wheel_up"):
		ChangeWeapon((current_weapon + 1) % weapons.size())
	if weapons.size() > 1 && Input.is_action_just_released("wheel_down"):
		ChangeWeapon((current_weapon - 1) % weapons.size())
	
	if Input.is_action_just_pressed("reload"):
		weapons[current_weapon].Reload()
	
func ChangeWeapon(i):
	weapons[current_weapon].hide()
	current_weapon = (i)
	weapons[current_weapon].init()
	raycast.target_position.z = -weapons[current_weapon].RAY_LEN

var time = 0
func _process(delta):
	if Input.is_action_pressed("shoot") && weapons[current_weapon].Shoot():
		if(weapons[current_weapon].HITSCAN):
			HitScan()
		else:
			Projectile()
			
	if Input.is_action_just_released("shoot"):
		weapons[current_weapon].Release()
	
		
	#SWAY
	if mouse_mov != null && mouse_mov.length() > 0:
		weapons[current_weapon].MODEL.rotation = weapons[current_weapon].MODEL.rotation.lerp(mouse_mov, sway_lerp * delta)
		mouse_mov = Vector3.ZERO
	else:
		weapons[current_weapon].MODEL.rotation = weapons[current_weapon].MODEL.rotation.lerp(Vector3.ZERO, sway_lerp * delta) 
	
	#BOB
	if player_root.velocity.length() > 0:
		time += delta
		var bobOscillate = sin(time * 4 * (2 * PI)) * 0.01
		position.y = bobOscillate
		bobOscillate = sin(time * 4 * (PI) + PI/4) * 0.015
		position.x = bobOscillate
		

func HitScan():
	if(raycast.is_colliding()):
		var target = raycast.get_collider()
		print("Hit target ", target.name)

func Projectile():
	pass

func save_data(data):
	var file = FileAccess.open(CONFIG_PATH, FileAccess.WRITE)
	file.store_var(data)

func load_data():
	var file = FileAccess.open(CONFIG_PATH, FileAccess.READ)
	var data = file.get_var()
	file_data = data