extends Node

const _main_menu_path = "res://UI/MainMenu.tscn"
const _body_build_path = "res://BodyConfig/bodyBuilderMenu.tscn"
const _fighting_path = "res://Ingame/Testing.tscn"
const _win_screen_path = "res://UI/WinScreen.tscn"

var _main_menu_scene
var _body_build_scene
var _fighting_scene
var _win_screen_scene

var _bodies : Array
var _body_count = 0
var _body_positions = [Vector3(0, 15, -30), Vector3(0, 15, 30), Vector3(-30, 15, 0), Vector3(30, 15, 0)]

func _ready():
	InGameState.player_count = 2
	
	_prep_scene("main_menu")
	
	_switch_scene(_main_menu_scene, "main_menu")


func _prep_scene(scene_name) -> Node:
	if scene_name == "main_menu":
		_main_menu_scene = preload(_main_menu_path).instance()
		_main_menu_scene.connect("body_build", self, "_switch_to_body_build")
		return _main_menu_scene
	elif scene_name == "body_build":
		_body_build_scene = preload(_body_build_path).instance()
		_body_build_scene.connect("start_fight", self, "_switch_to_fighting")
		return _body_build_scene
	elif scene_name == "fight_scene":
		_fighting_scene = preload(_fighting_path).instance()
		InGameState.connect("player_win", self, "_switch_to_win")
		return _fighting_scene
	elif scene_name == "win_screen":
		_win_screen_scene = preload(_win_screen_path).instance()
		_win_screen_scene.connect("build_body", self, "_switch_to_body_build")
		return _win_screen_scene
	return null


func _switch_scene(scene, scene_name):
	#delete children
	for child in get_children():
		child.queue_free()
	
	#append win scene
	var new_scene = _prep_scene(scene_name)
	add_child(new_scene)


func _switch_to_win(player_id):
	print("test win")
	
	_switch_scene(_win_screen_scene, "win_screen")
	
	#call win message in win scene
	_win_screen_scene.set_win_message(player_id)


func _switch_to_fighting(torso):
	_body_build_scene.remove_child(torso)
	
	torso.global_transform.origin = Vector3.ZERO
	torso.translation += _body_positions[_body_count]
	torso.rotation_degrees = Vector3(90, 0, 0)
	
	if _body_count == 1:
		torso.rotation_degrees += Vector3(0, 180, 0)
	
	_body_count += 1
	if _body_count < InGameState.player_count:
		_bodies.append(torso)
		_switch_scene(_body_build_scene, "body_build")
		
		_body_build_scene.done_player_count = _body_count
		_body_build_scene.change_count_ui()
	else:
		_switch_scene(_fighting_scene, "fight_scene")
	
		for body in _bodies:
			_fighting_scene.add_child(body)
			body.on_ingame()
			
		_fighting_scene.add_child(torso)
		torso.on_ingame()
		
		_body_count = 0
		_bodies.clear()


func _switch_to_body_build():
	_switch_scene(_body_build_scene, "body_build")
	_body_build_scene.change_count_ui()