extends Node
## Mock Pay-to-Win shop. 1€ = 1 Dresslerpunkt (no real payments).

signal points_changed(points: int)
signal purchase_made(item_id: String)

var dressler_points: int = 0

const CATALOG := [
	{"id": "buy_point", "cost": 0, "mock_euro": true},
	{"id": "continue_joke", "cost": 10, "joke_continue": true},
	{"id": "death_ticket", "cost": 1, "gives": "death_ticket"},
	{"id": "sunglasses", "cost": 1, "gives": "sunglasses", "actually_free": true},
	{"id": "burger", "cost": 1, "gives": "tiramisu"},
	{"id": "next_level", "cost": 1, "unlock_next": true},
]

func buy_mock_euro_point() -> void:
	dressler_points += 1
	points_changed.emit(dressler_points)
	GameState.save_game()

func purchase(entry_id: String) -> bool:
	if entry_id == "buy_point":
		buy_mock_euro_point()
		return true
	for entry in CATALOG:
		if str(entry["id"]) != entry_id:
			continue
		if bool(entry.get("actually_free", false)):
			Inventory.add_item(str(entry.get("gives", "")), 1)
			if str(entry.get("gives", "")) == "sunglasses":
				Achievements.unlock("cool_sunglasses")
			purchase_made.emit(entry_id)
			var ui := get_node_or_null("/root/UIRoot")
			if ui and ui.has_method("show_dialog"):
				ui.show_dialog(Locale.tr_key("shop_joke_free"), 3.0)
			GameState.save_game()
			return true
		if bool(entry.get("joke_continue", false)):
			## „kostet 10 Punkte“ → Spaß, du darfst weiter
			var ui2 := get_node_or_null("/root/UIRoot")
			if ui2 and ui2.has_method("show_dialog"):
				ui2.show_dialog(Locale.tr_key("shop_joke_continue"), 4.0)
			GameState.set_flag("paywall_cleared", true)
			purchase_made.emit(entry_id)
			GameState.save_game()
			return true
		var cost := int(entry.get("cost", 0))
		if dressler_points < cost:
			return false
		dressler_points -= cost
		var gives := str(entry.get("gives", ""))
		if gives != "":
			Inventory.add_item(gives, 1)
		if bool(entry.get("unlock_next", false)):
			GameState.set_flag("paywall_cleared", true)
		points_changed.emit(dressler_points)
		purchase_made.emit(entry_id)
		GameState.save_game()
		return true
	return false

func serialize() -> Dictionary:
	return {"dressler_points": dressler_points}

func deserialize(data: Dictionary) -> void:
	dressler_points = int(data.get("dressler_points", 0))
	points_changed.emit(dressler_points)