import 'package:get/get.dart';
import '../../../data/services/pay_service.dart';

class PaymentController extends GetxController {
  final PayService _payService = Get.find<PayService>();

  // 支付状态
  final RxBool isLoading = false.obs;
  final RxString paymentStatus = ''.obs;
  final RxString errorMessage = ''.obs;

  // 测试订单信息
  final RxString testOrderId = ''.obs;
  final RxDouble testAmount = 0.01.obs; // 测试金额 1分钱

  @override
  void onInit() {
    super.onInit();
    // 生成测试订单ID
    testOrderId.value = 'test_${DateTime.now().millisecondsSinceEpoch}';
  }

  /// 测试微信支付
  Future<void> testWechatPayment() async {
    try {
      isLoading.value = true;
      paymentStatus.value = '正在发起支付...';
      errorMessage.value = '';

      // 调用支付服务，使用回调处理结果
      final launched = await _payService.processWechatPayment(
        orderId: testOrderId.value,
        amount: (testAmount.value * 100).toInt(), // 转换为分
        description: '微信支付测试',
        onResult: (success, message) {
          // 支付结果回调
          isLoading.value = false;

          if (success) {
            paymentStatus.value = '支付成功！';
            errorMessage.value = '';
            Get.snackbar(
              '支付成功',
              message ?? '微信支付测试完成',
              snackPosition: SnackPosition.TOP,
            );
          } else {
            paymentStatus.value = '支付失败';
            errorMessage.value = message ?? '未知错误';
            Get.snackbar(
              '支付失败',
              message ?? '未知错误',
              snackPosition: SnackPosition.TOP,
            );
          }
        },
      );

      if (!launched) {
        // 如果支付没有成功启动
        isLoading.value = false;
        paymentStatus.value = '支付启动失败';
        errorMessage.value = '无法启动微信支付';
        Get.snackbar('支付启动失败', '无法启动微信支付');
      }
    } catch (e) {
      isLoading.value = false;
      paymentStatus.value = '支付异常';
      errorMessage.value = e.toString();
      Get.snackbar('支付异常', e.toString());
    }
  }

  /// 重置状态
  void resetStatus() {
    paymentStatus.value = '';
    errorMessage.value = '';
    testOrderId.value = 'test_${DateTime.now().millisecondsSinceEpoch}';
  }

  /// 更新测试金额
  void updateTestAmount(double amount) {
    testAmount.value = amount;
  }
}