flutter_paydemo/lib/utils/toast.dart

/// 提示工具：统一封装 fluttertoast + flutter_easyloading
library;

import 'package:flutter/material.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:fluttertoast/fluttertoast.dart';

/// 显示成功提示
void showSuccessMessage(String message) {
  try {
    Fluttertoast.showToast(
      msg: message,
      toastLength: Toast.LENGTH_SHORT,
      gravity: ToastGravity.CENTER,
    );
  } catch (_) {
    // Web 等无原生实现时静默降级，避免未捕获异常
  }
}

/// 显示普通错误提示
void showErrorMessage(String message) {
  try {
    Fluttertoast.showToast(
      msg: message,
      toastLength: Toast.LENGTH_LONG,
      gravity: ToastGravity.CENTER,
      textColor: const Color.fromARGB(255, 255, 200, 200),
    );
  } catch (_) {
    // Web 等无原生实现时静默降级，避免未捕获异常
  }
}

/// 显示增强错误提示（带异常对象，仅 debug 输出详情）
void showErrorMessageEnhanced(Object error) {
  // 在 debug 模式打印堆栈便于排查
  assert(() {
    debugPrint('[paydemo] error: $error');
    return true;
  }());
  showErrorMessage(error.toString());
}

/// 打开加载遮罩
void startLoading({String? status}) {
  EasyLoading.show(status: status ?? '支付处理中...');
}

/// 关闭加载遮罩
void stopLoading() {
  EasyLoading.dismiss();
}