import StoreKit

@MainActor
class StoreKitManager: ObservableObject {
    @Published var products: [Product] = []

    // 加载商品
    func fetchProducts() async {
        do {
            let storeProducts = try await Product.products(for: ["com.example.test.coin100", "com.example.test.vip"])
            self.products = storeProducts
        } catch {
            print("获取商品失败: \(error)")
        }
    }

    // 购买商品
    func purchase(product: Product) async {
        do {
            let result = try await product.purchase()
            switch result {
            case .success(let verification):
                switch verification {
                case .verified(let transaction):
                    print("购买成功: \(transaction.productID)")
                    await transaction.finish()
                case .unverified(_, let error):
                    print("购买未验证: \(error)")
                }
            case .userCancelled:
                print("用户取消购买")
            case .pending:
                print("购买待处理")
            @unknown default:
                break
            }
        } catch {
            print("购买过程出错: \(error)")
        }
    }
}