extends Node2D

@onready var game_board_container = $GameBoardContainer
@onready var number_holder = $Holder
@onready var game_board = $GameBoardContainer/GameBoard

var difficulty = 1 # 1: Fácil, 2: Medio, 3: Difícil
var board_size = Vector2i(5, 5)
var game_numbers = []
var number_tiles = []
var correct_matches = {} 

func _ready():
	setup_game()

func setup_game():
	game_board.get_node("GridContainer").columns = board_size.x

	game_numbers = generate_unique_numbers(board_size.x * board_size.y)
	game_numbers.shuffle()

	create_board_labels()
	create_number_tiles()

func generate_unique_numbers(count: int) -> Array[int]:
	var numbers: Array[int] = []
	for i in range(1, count + 1):
		numbers.append(i)
	return numbers
	
func create_board_labels():
	var animal_images = get_all_animal_shadow_images()
	animal_images.shuffle()
	
	var board_slots_count = game_numbers.size()
	var fixed_cell_size = Vector2(152, 176)  # Establece un tamaño fijo de 152x176 para cada celda
	for i in range(board_slots_count):
		var image_path = animal_images[i % animal_images.size()]
		var texture = load(image_path)
		var sprite = Sprite2D.new()
		sprite.texture = texture
		sprite.scale = Vector2(fixed_cell_size.x / sprite.texture.get_width(), fixed_cell_size.y / sprite.texture.get_height())
		sprite.position = Vector2(fixed_cell_size.x / 2, fixed_cell_size.y / 2)
		var cell = Node2D.new()
		cell.position = Vector2(i % board_size.x * fixed_cell_size.x, int(i / board_size.x) * fixed_cell_size.y)
		
		var border = Line2D.new()
		border.add_point(Vector2(0, 0))  
		border.add_point(Vector2(fixed_cell_size.x, 0))  
		border.add_point(Vector2(fixed_cell_size.x, fixed_cell_size.y)) 
		border.add_point(Vector2(0, fixed_cell_size.y))  
		border.add_point(Vector2(0, 0)) 
		border.width = 4  
		border.default_color = Color(1, 0, 0)  
		cell.add_child(border)
		
		cell.add_child(sprite)
		var animal_name = image_path.get_file().replace("_sombra.png", "")
		cell.set("target_animal", animal_name)
		cell.set("is_target", true)
		cell.set("is_occupied", false)
		cell.name = "BoardCell_" + str(i)
		game_board.get_node("GridContainer").add_child(cell)
		
		var static_body = StaticBody2D.new()
		cell.add_child(static_body)
		var collision_shape = CollisionShape2D.new()
		var rectangle_shape = RectangleShape2D.new()
		rectangle_shape.size = fixed_cell_size  
		collision_shape.shape = rectangle_shape
		static_body.add_child(collision_shape)
		
		correct_matches[str(i)] = animal_name


func get_all_animal_shadow_images() -> Array[String]:
	var dir = DirAccess.open("res://images")
	var images: Array[String] = []
	if dir:
		dir.list_dir_begin()
		var file_name = dir.get_next()
		while file_name != "":
			if file_name.ends_with("_sombra.png"):
				images.append("res://images/" + file_name)
			file_name = dir.get_next()
		dir.list_dir_end()
	else:
		print("¡No se pudo abrir el directorio de imágenes!")
	return images
		
func create_number_tiles():
	var shuffled_numbers = game_numbers.duplicate()
	shuffled_numbers.shuffle() 
	var tiles_container = $TilesContainer

	for i in range(shuffled_numbers.size()):
		var tile = Label.new()
		tile.text = str(shuffled_numbers[i])
		tile.name = "NumberTile_" + str(shuffled_numbers[i])
		tile.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
		tile.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
		tile.custom_minimum_size = Vector2(152, 176)
		tile.add_theme_font_size_override("font_size", 40)
		tile.add_theme_stylebox_override("normal", StyleBoxFlat.new())
		tile.get_theme_stylebox("normal").bg_color = Color(0.8, 0.8, 1.0)
		tile.script = preload("res://number_tile.gd")
		tiles_container.add_child(tile)
		number_tiles.append(tile)
		
		var area = Area2D.new()
		tile.add_child(area)
		
		var collision_shape = CollisionShape2D.new()  
		var rectangle_shape = RectangleShape2D.new()  
		rectangle_shape.size = tile.get_rect().size  
		collision_shape.shape = rectangle_shape  
		area.add_child(collision_shape)  

func check_win():
	var all_matched = true
	for child in game_board.get_children():
		if child is NumberTile and child.correct_slot == null:
			all_matched = false
			break
	if all_matched:
		print("¡Has ganado!")