flutter/lib/pages/my/merchant/balance/controller.dart

import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:loopin/IM/controller/im_user_info_controller.dart';
import 'package:loopin/IM/im_friend_listeners.dart';
import 'package:loopin/api/common_api.dart';
import 'package:loopin/pages/my/merchant/balance/model.dart';
import 'package:loopin/service/http.dart';
import 'package:loopin/utils/wxsdk.dart';

class BalanceController extends GetxController {
  /// 钱包余额
  final balance = 0.0.obs;

  final data = <AccountBill>[].obs;

  int currentPage = 1;

  final isLoading = false.obs;

  /// 是否还有更多
  var hasMore = true.obs;

  @override
  void onInit() {
    super.onInit();
    getData(reset: true);
  }

  /// 充值
  Future<void> recharge({required String money}) async {
    // 获取支付参数
    final data = {"orderType": "RECHARGE", "clientType": "APP", "paymentMethod": "WECHAT", "paymentClient": "APP", "money": money};
    final res = await Http.post(CommonApi.addBalance, data: data);
    logger.w(res);
    final payParams = res['data'];
    logger.w(payParams);
    // 拉起支付
    await Wxsdk.payWithWx(
      appId: payParams['appid'],
      partnerId: payParams['partnerid'],
      prepayId: payParams['prepayid'],
      packageValue: payParams['package'],
      nonceStr: payParams['noncestr'],
      timestamp: int.parse(payParams['timestamp']),
      sign: payParams['sign'],
    );
    // 在回调结果中获取新的数据
    // getData(reset: true);
  }

  /// 提现
  Future<void> withDraw({required String money}) async {
    final infoCtl = Get.find<ImUserInfoController>();
    final openId = infoCtl.customInfo['openId'];
    if (openId == null || openId.isEmpty) {
      showDialog(
        context: Get.context!,
        builder: (context) {
          return AlertDialog(
            title: Text('微信授权'),
            content: const Text('余额提现至您的微信零钱内，是否前往微信授权？', style: TextStyle(fontSize: 16.0)),
            backgroundColor: Colors.white,
            surfaceTintColor: Colors.white,
            shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(15.0)),
            elevation: 2.0,
            actionsPadding: const EdgeInsets.all(15.0),
            actions: [
              TextButton(onPressed: () => {Get.back()}, child: Text('取消', style: TextStyle(color: Colors.red))),
              TextButton(
                  onPressed: () async {
                    //去授权
                    await Wxsdk.login();
                    Get.back();
                  },
                  child: Text('确认')),
            ],
          );
        },
      );
      return;
    }
    //
    // final res = await Http.post(CommonApi.withdraw, data: {
    //   "money": money,
    //   "method": "1",
    // });
    // MyDialog.('提现成功，系统将在一个工作日内将余额提现至您绑定的微信内');
    showDialog(
      context: Get.context!,
      builder: (context) {
        return AlertDialog(
          title: Text('提现成功'),
          content: const Text('系统将在一个工作日内将余额提现至您绑定的微信内', style: TextStyle(fontSize: 16.0)),
          backgroundColor: Colors.white,
          surfaceTintColor: Colors.white,
          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(15.0)),
          elevation: 2.0,
          actionsPadding: const EdgeInsets.all(15.0),
          actions: [
            TextButton(onPressed: () => {Get.back()}, child: Text('确认')),
          ],
        );
      },
    );
    getData(reset: true);
  }

  /// 分页数据
  Future<void> getData({bool reset = false}) async {
    if (isLoading.value) {
      logger.w('正在加载中，跳过');
      return;
    }

    isLoading.value = true;
    logger.w('开始加载数据，reset: $reset, currentPage: $currentPage');

    await Future.delayed(const Duration(seconds: 2));

    if (reset) {
      logger.w('重置数据');
      currentPage = 1;
      data.clear();
      hasMore.value = true;
    }

    List<AccountBill> newData = List.generate(
      10,
      (index) {
        int id = currentPage * 10 + index + 1;
        // logger.w('生成数据: id=$id');
        return AccountBill(
          id: id,
          source: '来源 $currentPage-${index + 1}',
          changeAmount: (index + 1) * 10.0,
          changeType: index % 2 + 1,
          createTime: DateTime.now().toString(),
        );
      },
    );

    data.addAll(newData);
    logger.w('添加了 ${newData.length} 条数据，总数据量: ${data.length}');

    currentPage++;
    logger.w('页码增加到: $currentPage');

    if (currentPage > 5) {
      hasMore.value = false;
      logger.w('没有更多数据了');
    }

    isLoading.value = false;
    logger.w('加载完成');
  }
}