extends Control

signal closed

@onready var tab_container = $Panel/VBoxContainer/TabContainer
@onready var head_grid = $Panel/VBoxContainer/TabContainer/Head/GridContainer
@onready var costume_grid = $Panel/VBoxContainer/TabContainer/Costume/GridContainer
@onready var glove_grid = $Panel/VBoxContainer/TabContainer/Glove/GridContainer
@onready var accessory_grid = $Panel/VBoxContainer/TabContainer/Accessory/GridContainer
@onready var status_label = $Panel/VBoxContainer/StatusLabel
@onready var back_btn = $Panel/VBoxContainer/Header/BackBtn

var shop_items = {
	"head": [
		{"id": "head_hat1", "name": "Cap", "gold": 100, "star": 0},
		{"id": "head_crown", "name": "Crown", "gold": 0, "star": 50}
	],
	"costume": [
		{"id": "costume_red", "name": "Red Suit", "gold": 200, "star": 0},
		{"id": "costume_gold", "name": "Gold Suit", "gold": 0, "star": 100}
	],
	"glove": [
		{"id": "glove_leather", "name": "Leather Gloves", "gold": 50, "star": 0}
	],
	"accessory": [
		{"id": "acc_glasses", "name": "Sunglasses", "gold": 80, "star": 0}
	]
}

func _ready():
	back_btn.pressed.connect(_on_close)
	_build_shop()

func show_panel():
	show()
	_refresh_shop()

func _build_shop():
	_populate_grid(head_grid, shop_items["head"])
	_populate_grid(costume_grid, shop_items["costume"])
	_populate_grid(glove_grid, shop_items["glove"])
	_populate_grid(accessory_grid, shop_items["accessory"])

func _populate_grid(grid, items):
	for child in grid.get_children():
		child.queue_free()
	
	for item in items:
		var btn = Button.new()
		btn.custom_minimum_size = Vector2(120, 80)
		btn.add_theme_font_size_override("font_size", 14)
		btn.text = "%s\nGold: %d\nStar: %d" % [item.name, item.gold, item.star]
		btn.pressed.connect(_on_buy_pressed.bind(item))
		grid.add_child(btn)

func _refresh_shop():
	# Visual update to show which items are owned
	# (For simplicity, not disabling buttons directly, relying on backend check)
	status_label.text = "Welcome to the Shop!"

func _on_buy_pressed(item: Dictionary):
	if UserProfileManager.inventory.has(item.id):
		status_label.text = "Already owned: " + item.name
		return
	
	var price_gold = item.gold
	var price_star = item.star
	
	if UserProfileManager.wallet.get("gold", 0) < price_gold or UserProfileManager.wallet.get("star", 0) < price_star:
		status_label.text = "Not enough currency for " + item.name
		return
		
	status_label.text = "Purchasing " + item.name + "..."
	
	# Determine category
	var category = ""
	if shop_items["head"].has(item): category = "head"
	elif shop_items["costume"].has(item): category = "costume"
	elif shop_items["glove"].has(item): category = "glove"
	elif shop_items["accessory"].has(item): category = "accessory"

	var success = await UserProfileManager.purchase_item(item.id, price_gold, price_star, category)
	if success:
		status_label.text = "Successfully purchased: " + item.name
		_refresh_shop()
	else:
		status_label.text = "Failed to purchase. Backend error."

func _on_close():
	hide()
	emit_signal("closed")