flutter/lib/pages/order/detail.dart

library;
import 'dart:async';
import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:get/get.dart';
import 'package:loopin/service/http.dart';
import 'package:loopin/api/shop_api.dart';
import 'package:shirne_dialog/shirne_dialog.dart';
import 'package:timer_count_down/timer_count_down.dart';
import 'package:loopin/utils/wxsdk.dart';
import 'package:loopin/utils/index.dart';

import '../../behavior/custom_scroll_behavior.dart';
import '../../utils/lifecycle_handler.dart';

class OrderDetail extends StatefulWidget {
  const OrderDetail({super.key});

  @override
  State<OrderDetail> createState() => _OrderDetailState();
}

class _OrderDetailState extends State<OrderDetail> with SingleTickerProviderStateMixin {
  late String _orderId;
  dynamic orderGoodsInfo;
  int _initialSeconds = 30 * 60;// 存储初始秒数
  bool _countdownFinished = false; // 新增标志位，用于跟踪倒计时是否结束

  @override
  void initState() {
    super.initState();
    _orderId = Get.arguments;
    getOrderDetail(orderId: _orderId);
    LifecycleHandler.onAppResumed = _onAppResumed;
  }
  @override
  void dispose() {
    // 清理回调，避免内存泄漏
    LifecycleHandler.onAppResumed = null;
    super.dispose();
  }
  void _onAppResumed() {
    print('App回到前台，刷新订单状态,订单Id${_orderId}');
    getOrderDetail(orderId: _orderId); // 刷新订单详情数据
    getOrderRealStatus(orderId: _orderId); // 同时主动拉取订单状态
    _showPaymentResultDialog(); // 展示支付结果弹框
  }
  // 获取订单状态
  void getOrderRealStatus({required String orderId}) async {
      try {
        final res = await Http.get('${ShopApi.goodsOrderStatus}/$orderId');
        // transState
        var orderStatus = res['data']['transState'];

        print('状态-------------->${orderStatus}');
        // orderStatus
        setState(() {
         orderGoodsInfo['orderStatus'] = orderStatus;
        });
        if (orderStatus == 2) { // 已支付
          MyDialog.toast('支付成功');
        }
        } catch (e) {
        print('报错-------------->${e}');
    }
  }

  // 获取订单详情信息，包含商品参数
  void getOrderDetail({required String orderId}) async {
      try {
        final res = await Http.get('${ShopApi.goodsOrderDetail}/$orderId');
        print('订单详情-------------->${res['data']}');
        setState(() {
          orderGoodsInfo = res['data']; // 注意取 data 部分
        });
      } catch (e) {
        Get.back();
      }
  }

  // 取消订单
  void _cancelOrder() async {
    print('取消订单: $_orderId');
      try {
        final res = await Http.post('${ShopApi.cancelGoodsOrder}/$_orderId');
         print('取消订单成功-------------->${res}');
         getOrderDetail(orderId: _orderId); // 刷新订单详情数据
      } catch (e) {
         print('取消订单失败-------------->${e}');
      }
  }


  // 显示支付结果弹框
  void _showPaymentResultDialog() {

    showDialog(
      context: context,
      barrierDismissible: false,
      barrierColor: Colors.black54,
      builder: (BuildContext context) {
        return Dialog(
          backgroundColor: Colors.white,
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(16.0),
          ),
          child: Padding(
            padding: const EdgeInsets.all(20.0),
            child: Column(
              mainAxisSize: MainAxisSize.min,
              children: [
                // 图标
                Container(
                  width: 60,
                  height: 60,
                  decoration: BoxDecoration(
                    color: Color(0xFFFFF8E6),
                    shape: BoxShape.circle,
                  ),
                  child: Icon(
                    Icons.payment,
                    size: 32,
                    color: Color(0xFFFFA500),
                  ),
                ),
                SizedBox(height: 16),

                // 标题
                Text(
                  '支付确认',
                  style: TextStyle(
                    fontSize: 18,
                    fontWeight: FontWeight.bold,
                    color: Colors.black87,
                  ),
                ),
                SizedBox(height: 8),

                // 描述
                Text(
                  '请确认您的支付状态',
                  style: TextStyle(
                    fontSize: 14,
                    color: Colors.grey[600],
                  ),
                  textAlign: TextAlign.center,
                ),
                SizedBox(height: 24),

                // 按钮区域
                Row(
                  children: [
                    // 支付遇到问题按钮
                    Expanded(
                      child: OutlinedButton(
                        onPressed: () {
                          Navigator.of(context).pop();
                         // getOrderDetail(orderId: _orderId);
                          getOrderRealStatus(orderId: _orderId); // 主动再次拉取订单状态
                        },
                        style: OutlinedButton.styleFrom(
                          backgroundColor: Colors.white,
                          foregroundColor: Colors.grey[700],
                          side: BorderSide(color: Colors.grey[300]!),
                          padding: EdgeInsets.symmetric(vertical: 12),
                          shape: RoundedRectangleBorder(
                            borderRadius: BorderRadius.circular(8),
                          ),
                        ),
                        child: Text('支付遇到问题'),
                      ),
                    ),
                    SizedBox(width: 12),

                    // 支付完成按钮
                    Expanded(
                      child: ElevatedButton(
                        onPressed: () {
                          Navigator.of(context).pop();
                          getOrderRealStatus(orderId: _orderId); // 同时主动拉取订单状态
                        },
                        style: ElevatedButton.styleFrom(
                          backgroundColor: Color(0xFFFF5000),
                          foregroundColor: Colors.white,
                          padding: EdgeInsets.symmetric(vertical: 12),
                          shape: RoundedRectangleBorder(
                            borderRadius: BorderRadius.circular(8),
                          ),
                        ),
                        child: Text('支付完成'),
                      ),
                    ),
                  ],
                ),
              ],
            ),
          ),
        );
      },
    ).then((value) {

    });
  }

  // 获取订单状态文本
  String getOrderStatusText(int status) {
    switch (status) {
      case 0:
        return '待支付';
      case 1:
        return '支付中';
      case 2:
        return '已支付';
      case 3:
        return '已取消';
      case 4:
        return '已退款';
      case 10:
        return '无效订单';
      default:
        return '未知状态';
    }
  }

  // 获取订单状态颜色
  Color getOrderStatusColor(int status) {
    switch (status) {
      case 0:
        return Colors.orange;
      case 1:
        return Colors.blue;
      case 2:
        return Colors.green;
      case 3:
      case 4:
      case 10:
        return Colors.grey;
      default:
        return Colors.black;
    }
  }

  // 构建底部按钮
  Widget buildBottomButtons() {
    if (orderGoodsInfo == null) return SizedBox.shrink();

    int orderStatus = orderGoodsInfo?['orderStatus'] ?? 0;

    switch (orderStatus) {
      case 0: // 待支付
        return Row(
          mainAxisAlignment: MainAxisAlignment.end,
          children: [
            ElevatedButton(
              onPressed: () {
                // 取消订单逻辑
                _cancelOrder();
              },
              style: ButtonStyle(
                backgroundColor: WidgetStateProperty.all(Colors.white),
                foregroundColor: WidgetStateProperty.all(Colors.black87),
              ),
              child: const Text('取消订单'),
            ),
            const SizedBox(width: 10.0),
            ElevatedButton(
              onPressed: () {
                // 打开微信小程序的某个页面地址，如pages/index/index
                Wxsdk.openMiniApp(orderId: _orderId);
              },
              style: ButtonStyle(
                backgroundColor: WidgetStateProperty.all(Color(0xff07c160)),
                foregroundColor: WidgetStateProperty.all(Colors.white),
              ),
              child: const Text('去支付'),
            ),
          ],
        );

      case 1: // 支付中
        return Row(
          mainAxisAlignment: MainAxisAlignment.end,
          children: [
            ElevatedButton(
              onPressed: () {
                // 刷新订单状态
                getOrderDetail(orderId: _orderId);
              },
              style: ButtonStyle(
                backgroundColor: WidgetStateProperty.all(Colors.blue),
                foregroundColor: WidgetStateProperty.all(Colors.white),
              ),
              child: const Text('支付中'),
            ),
          ],
        );

      case 2: // 已支付
        return Row(
          mainAxisAlignment: MainAxisAlignment.end,
          children: [
            const SizedBox(width: 10.0),
            ElevatedButton(
              onPressed: () {
              },
              style: ButtonStyle(
                backgroundColor: WidgetStateProperty.all(Color(0xFFFF5000)),
                foregroundColor: WidgetStateProperty.all(Colors.white),
              ),
              child: const Text('已支付'),
            ),
          ],
        );

      case 3: // 已取消
      case 10: // 无效订单
        return Row(
          mainAxisAlignment: MainAxisAlignment.end,
          children: [
            const SizedBox(width: 10.0),
            ElevatedButton(
              onPressed: () {

              },
              style: ButtonStyle(
                backgroundColor: WidgetStateProperty.all(Color(0xFFFF5000)),
                foregroundColor: WidgetStateProperty.all(Colors.white),
              ),
              child: const Text('已取消'),
            ),
          ],
        );

      case 4: // 已退款
        return Row(
          mainAxisAlignment: MainAxisAlignment.end,
          children: [
            const SizedBox(width: 10.0),
            ElevatedButton(
              onPressed: () {
              },
              style: ButtonStyle(
                backgroundColor: WidgetStateProperty.all(Color(0xFFFF5000)),
                foregroundColor: WidgetStateProperty.all(Colors.white),
              ),
              child: const Text('已退款'),
            ),
          ],
        );

      default:
        return SizedBox.shrink();
    }
  }

  Widget emptyTip() {
    return Column(
      mainAxisAlignment: MainAxisAlignment.center,
      spacing: 5.0,
      children: [
        Image.asset(
          'assets/images/empty.png',
          width: 100.0,
        ),
        Text(
          '还没有订单信息~',
          style: TextStyle(color: Colors.grey, fontSize: 12.0),
        )
      ],
    );
  }

  @override
  Widget build(BuildContext context) {
    if (orderGoodsInfo == null) {
      return Scaffold(
        backgroundColor: Colors.grey[50],
        appBar: AppBar(
          backgroundColor: Color(0xFFFF5000),
          foregroundColor: Colors.white,
          title: Text('订单详情'),
          titleSpacing: 1.0,
        ),
        body: Center(child: CircularProgressIndicator()),
      );
    }

    int orderStatus = orderGoodsInfo?['orderStatus'] ?? 0;
    bool showCountdown = orderStatus == 0; // 只有待支付状态显示倒计时

    return Scaffold(
      backgroundColor: Colors.grey[50],
      appBar: AppBar(
        backgroundColor: Color(0xFFFF5000),
        foregroundColor: Colors.white,
        title: Text('订单详情'),
        titleSpacing: 1.0,
      ),
      body: ScrollConfiguration(
        behavior: CustomScrollBehavior().copyWith(scrollbars: false),
        child: ListView(
          physics: BouncingScrollPhysics(),
          padding: EdgeInsets.all(10.0),
          children: [
            if (showCountdown)
            Column(
              spacing: 5.0,
              children: [
                Text.rich(
                  TextSpan(style: TextStyle(fontFamily: 'Arial'), children: [
                    WidgetSpan(
                        child: Icon(
                      Icons.info,
                      size: 16.0,
                    )),
                    TextSpan(text: getOrderStatusText(orderStatus)),
                    TextSpan(text: _countdownFinished ? '倒计时已结束' : ' 剩余 '),
                    if (!_countdownFinished)
                    WidgetSpan(
                      alignment: PlaceholderAlignment.middle,
                      child: Countdown(
                        seconds: _initialSeconds, // 直接使用30分钟的秒数
                        build: (_, double time) {
                          int m = ((time % 3600) ~/ 60).toInt();
                          int s = (time % 60).toInt();
                          String formatted = "${m.toString().padLeft(2, '0')} : ${s.toString().padLeft(2, '0')}";

                          return Text(
                            formatted,
                            style: const TextStyle(color: Colors.red),
                          );
                        },
                        interval: const Duration(seconds: 1),
                        onFinished: () {
                          print("倒计时结束");
                          _cancelOrder();
                          setState(() {
                            _countdownFinished = true; // 倒计时结束时更新标志位
                          });
                        },
                      ),
                    ),
                  ]),
                ),
                Text(
                  _countdownFinished
                    ? '订单已自动取消'
                    : '超过30分钟未支付，订单将自动取消',
                  style: TextStyle(color: Colors.grey, fontSize: 12.0),
                ),
                SizedBox(
                  height: 10.0,
                ),
              ],
            ),
            // 商品信息
            Container(
              margin: EdgeInsets.only(bottom: 10.0),
              padding: EdgeInsets.all(10.0),
              decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(15.0), boxShadow: [
                BoxShadow(
                  color: Colors.black.withAlpha(10),
                  offset: Offset(0.0, 1.0),
                  blurRadius: 1.0,
                  spreadRadius: 0.0,
                ),
              ]),
              child: Column(
                spacing: 10.0,
                children: [
                  Row(
                    children: [
                      Spacer(),
                      Text(
                        getOrderStatusText(orderStatus),
                        style: TextStyle(color: getOrderStatusColor(orderStatus)),
                      )
                    ],
                  ),
                  Row(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    spacing: 10.0,
                    children: [
                      Image.network(
                         '${orderGoodsInfo?['productInfo'][0]['pic']}',
                        width: 80.0,
                      ),
                      Expanded(
                        child: Column(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          spacing: 5.0,
                          children: [
                            Text(
                              '${orderGoodsInfo?['productInfo'][0]['productName']}',
                              maxLines: 2,
                              overflow: TextOverflow.ellipsis,
                            ),
                            Row(
                              children: [
                                Text(
                                  '¥${orderGoodsInfo?['productInfo'][0]['salePrice']}',
                                  style: TextStyle(color: Colors.red),
                                ),
                                Spacer(),
                                Text(
                                  'x${orderGoodsInfo?['productInfo'][0]['buyNum'] ?? 1}',
                                  style: TextStyle(color: Colors.grey),
                                ),
                              ],
                            ),
                          ],
                        ),
                      )
                    ],
                  ),
                ],
              ),
            ),
            // 订单信息
            Container(
              margin: EdgeInsets.only(bottom: 10.0),
              padding: EdgeInsets.all(10.0),
              decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(15.0), boxShadow: [
                BoxShadow(
                  color: Colors.black.withAlpha(10),
                  offset: Offset(0.0, 1.0),
                  blurRadius: 1.0,
                  spreadRadius: 0.0,
                ),
              ]),
              child: Column(
                spacing: 10.0,
                children: [
                  Row(
                    children: [
                      Text(
                        '订单信息',
                        style: TextStyle(fontSize: 15.0, fontWeight: FontWeight.bold),
                      ),
                      Spacer(),
                      InkWell(
                        child: Icon(
                          Icons.copy,
                          color: Colors.grey,
                          size: 14.0,
                        ),
                        onTap: ()async {
                          await Clipboard.setData(ClipboardData(text: _orderId));
                          MyDialog.toast('订单已复制到剪切板', icon: Icon(Icons.check_circle));
                        },
                      )
                    ],
                  ),
                  Column(
                    spacing: 5.0,
                    children: [
                      Row(
                        children: [
                          Text(
                            '订单号',
                            style: TextStyle(color: Colors.grey),
                          ),
                          Spacer(),
                          Text(orderGoodsInfo?['orderId'] ?? '', style: TextStyle(fontSize: 12.0)),
                        ],
                      ),
                      Row(
                        children: [
                          Text(
                            '下单时间',
                            style: TextStyle(color: Colors.grey),
                          ),
                          Spacer(),
                          Text(orderGoodsInfo?['createTime'] ?? '', style: TextStyle(fontSize: 12.0)),
                        ],
                      ),
                      Row(
                        children: [
                          Text(
                            '购买数量',
                            style: TextStyle(color: Colors.grey),
                          ),
                          Spacer(),
                          Text((orderGoodsInfo?['productInfo'][0]['buyNum'] ?? 0).toString(),
                               style: TextStyle(fontSize: 12.0)),
                        ],
                      ),
                      Row(
                        children: [
                          Text(
                            '订单金额',
                            style: TextStyle(color: Colors.grey),
                          ),
                          Spacer(),
                          Text('¥${orderGoodsInfo?['totalAmount']??'0.00'}', style: TextStyle(fontSize: 12.0)),
                        ],
                      ),
                      Row(
                        children: [
                          Text(
                            '实付金额',
                            style: TextStyle(color: Colors.grey),
                          ),
                          Spacer(),
                          Text('¥${orderGoodsInfo?['payAmount']??'0.00'}', style: TextStyle(fontSize: 12.0)),
                        ],
                      ),
                    ],
                  )
                ],
              ),
            ),
          ],
        ),
      ),
      // 底部固定按钮
      bottomNavigationBar: SafeArea(
        minimum: const EdgeInsets.all(10),
        child: Container(
          height: 50.0,
          color: Colors.white,
          padding: const EdgeInsets.symmetric(horizontal: 10.0, vertical: 5.0),
          child: buildBottomButtons(),
        ),
      ),
    );
  }
}