import 'package:easy_refresh/easy_refresh.dart';
import 'package:flutter/material.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:lszlgl/base/base_lifecycle_state.dart';
import 'package:lszlgl/base/base_vm.dart';
import 'package:lszlgl/config/colors.dart';
import 'package:lszlgl/model/rsp/sample_task_rsp.dart';
import 'package:lszlgl/network/my_api.dart';
import 'package:lszlgl/page/print/print_page.dart';
import 'package:lszlgl/page/sample_task/sample_list_vm.dart';
import 'package:lszlgl/page/sample_task/sample_task_list_tab_page.dart';
import 'package:lszlgl/service/dict_service.dart';
import 'package:lszlgl/service/print_service.dart';
import 'package:lszlgl/utils/date_time_utils.dart';
import 'package:lszlgl/utils/inject.dart';
import 'package:lszlgl/widget/button.dart';
import 'package:lszlgl/widget/page_widget.dart';
import 'package:lszlgl/widget/print_checkbox_widget.dart';

import '../../main.dart';
import 'reap_sample_detail/reap_sample_task_page.dart';
import 'stock_sample_detail/stock_sample_task_page.dart';

/// 扦样环节列表
class SampleTaskListPage extends StatefulWidget {
  final StepType type;
  final int tabIndex;

  const SampleTaskListPage({
    super.key,
    required this.type,
    required this.tabIndex,
  });

  @override
  State<SampleTaskListPage> createState() => _SampleTaskListPageState();
}

class _SampleTaskListPageState extends BaseLifecycleState<SampleTaskListPage>
    with AutomaticKeepAliveClientMixin {
  late SampleListVM vm;
  List<num> selectList = [];

  /// 详情
  void startTaskDetail(bool detail, SampleTaskItem data, {num? deliveryStatus}) async {
    bool? success;
    switch (widget.type) {
      case StepType.reap:
        success = await MyRouter.startReapSampleTask(
            args: ReapSampleTaskPageArgs(
                detail: detail, id: data.id, deliveryStatus: deliveryStatus));
        break;
      case StepType.stock:
        success = await MyRouter.startStockSampleTask(
            args: StockSampleTaskPageArgs(detail: detail, id: data.id));
        break;
    }
    if (success ?? false) {
      vm.refreshAll();
    }
  }

  /// 领取扦样任务
  void receiveTask(SampleTaskItem data) async {
    var delete = await MyNavigator.showDialog(
      builder: (_) => AlertDialog(
        title: const Text('系统提示'),
        content: const Text('任务认领后不可撤销，请确认是否认领任务！'),
        actions: [
          MyButton(
            '领取',
            alignment: null,
            backgroundColor: const Color(0xFFCE615A),
            onTap: () => MyNavigator.dismiss(status: SmartStatus.dialog, result: true),
          ),
          MyButton('取消', alignment: null, onTap: () => MyNavigator.dismiss()),
        ],
      ),
    );
    if (!(delete ?? false)) return;

    MyNavigator.showLoading();
    try {
      var rsp = await MyApi.get().receiveSampleTaskSgjc(data.id ?? 0);
      MyNavigator.dismissLoading();
      if (rsp.data == 1) {
        MyNavigator.showToast('领取成功');
        vm.refreshAll();
      }
    } catch (e) {
      logger.e(e);
      MyNavigator.dismissLoading();
    }
  }

  @override
  void onInit() {
    vm = Inject.get<SampleListVM>()!;
  }

  @override
  void onFirstShow(Duration timeStamp) {
    vm.refresh(widget.tabIndex);
  }

  @override
  Widget build(BuildContext context) {
    super.build(context);
    return Stack(
      children: [
        buildBody(),
        buildPrintBtn(),
      ],
    );
    //   Container(
    //   margin: const EdgeInsets.symmetric(horizontal: 8),
    //   clipBehavior: Clip.hardEdge,
    //   decoration: const BoxDecoration(
    //     color: Colors.white,
    //     borderRadius: BorderRadius.vertical(top: Radius.circular(8)),
    //   ),
    //   alignment: Alignment.center,
    //   child: buildBody(),
    // );
  }

  // 批量打印前 获取数据
  getPrintData() async{
    if(selectList.isEmpty){
      MyNavigator.showToast('请选择打印数据');
      return;
    }

    MyNavigator.showLoading(msg: '数据处理中...');
    var dataList = await Future.wait(selectList.map((id) => MyApi.get().sampleTaskDetailSgjc(id)));
    List<SampleTaskItem?> data = dataList.map((e) => e.data).toList();
    if(data.isEmpty){
      MyNavigator.dismissLoading();
      MyNavigator.showToast('打印数据获取有误');
      return;
    }
  //  List<Uint8List?> imgList = await Future.wait(data.map((item)=>imageToBytes(item!.ewmfilePictureList!.first.url!)));
    List<PrintPageArgs> printList = [];
    for(int i = 0; i < data.length; i++){
      List<String> textList = PrintService.getPrintTextListWithSampleTaskItem(data[i]);
      PrintPageArgs arg = PrintPageArgs(
        urlCode:'${MyApi.globalUrl}/admin-api/zj/code-sampling-task-details-sgjc/getSamplingTaskDetails?id=${data[i]!.id}' ,
        numCode: data[i]!.ewmfilePictureList!.first.name,
        textList: textList,
      );
      printList.add(arg);
    }
    MyNavigator.dismissLoading();

    var args = PrintPageArgs(printList: printList);
    await MyRouter.startPrint(args);

  }

  // 通过地址获取图片内容
  // Future<Uint8List?> imageToBytes(String imageUrl) async {
  //   try{
  //     var response = await Dio().get(
  //         imageUrl,
  //         options: Options(responseType: ResponseType.bytes)
  //     );
  //     return Uint8List.fromList(response.data);
  //   } catch(e){
  //     logger.d(e);
  //     return null;
  //   }
  // }

  Widget buildPrintBtn() {
    if (widget.type == StepType.reap && widget.tabIndex == 2) {
      return ValueListenableBuilder(
          valueListenable: vm.showPrintBtn,
          builder: (context, show, child) {
            if (show) {
              return child!;
            } else {
              return const SizedBox.shrink();
            }
          },
          child: Positioned(
              bottom: 0,
              left: 8,
              right: 8,
              child: MyButton(
                '打 印',
                radius: 8,
                gradient: const LinearGradient(colors: [Color(0xFF3BD2E5), Color(0xFF247AF8)]),
                onTap: () {
                  getPrintData();
                },
              )),
      );
    } else {
      return const SizedBox.shrink();
    }
  }

  Widget buildBody() {
    return EasyRefresh.builder(
      controller: vm.ctrlList[widget.tabIndex],
      onRefresh: () => vm.getData(widget.tabIndex, refresh: true),
      onLoad: () => vm.getData(widget.tabIndex, refresh: false),
      childBuilder: (_, physics) => buildList(physics),
    );
  }

  Widget buildList(ScrollPhysics physics) {
    var sliver = vm.pageStateList[widget.tabIndex].builder((v) {
      var list = v.data;
      if (v.status == DataStatus.error) {
        // 加载失败
        return SliverToBoxAdapter(
            child: PageLoadingWidget.error(onTap: () => vm.refresh(widget.tabIndex)));
      } else if (list == null || list.isEmpty) {
        // 无数据
        return const SliverToBoxAdapter(child: PageLoadingWidget.empty());
      } else {
        return SliverList.builder(
          itemCount: list.length,
          itemBuilder: (_, index) => buildItem(index, list[index]),
        );
      }
    });
    return CustomScrollView(
      physics: physics,
      slivers: [sliver],
    );
  }

  Widget buildItem(int index, SampleTaskItem item) {
    return GestureDetector(
      behavior: HitTestBehavior.opaque,
      onTap: () {
        if (item.deliveryStatus != 2) return;
        startTaskDetail(true, item);
      },
      child: Container(
        clipBehavior: Clip.hardEdge,
        margin: const EdgeInsets.only(left: 8, right: 8, top: 12),
        decoration: const BoxDecoration(
          color: Color(0xFFF9FEFE),
          borderRadius: BorderRadius.all(Radius.circular(8)),
        ),
        child: Stack(
          children: [
            Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                const SizedBox(height: 8),
                buildTop(),
                buildNumber(item.qyrwdh ?? ''),
                const Divider(thickness: 0.6, color: Color(0xFFEEEEEE), indent: 8),
                const SizedBox(height: 8),
                buildGrid(item),
                const SizedBox(height: 15),
                buildBottom(item),
              ],
            ),
            buildState(item.getDeliveryStatusText()),
            buildSelectBtn(item),
          ],
        ),
      ),
    );
  }

  buildSelectBtn(SampleTaskItem item){
    if(widget.type == StepType.reap && item.deliveryStatus==2){
      return ValueListenableBuilder(valueListenable: vm.showPrintBtn, builder: (_,show,__){
        if(show){
          return Positioned(
            right: 0,
            top: 60,
            child: PrintCheckboxWidget(
                list: selectList,
                itemId: item.id!,
                onChanged: (bool isSelect){
                  item.isSelect = isSelect;
                  if(isSelect){
                    selectList.add(item.id!);
                  }else{
                    selectList.remove(item.id!);
                  }
                },
            ),
          );
        }else{
          return const SizedBox.shrink();
        }
      });
    }else{
      return const SizedBox.shrink();
    }
  }

  Widget buildTop() {
    return Row(
      children: [
        Image.asset(
          imgListTitleIcon,
          width: 4,
          height: 20,
          fit: BoxFit.fill,
        ),
        const SizedBox(width: 4),
        const Text(
          '样品单号',
          style: TextStyle(color: MyColor.c_333333, fontSize: 15, fontWeight: FontWeight.w500),
        ),
      ],
    );
  }

  Widget buildState(String state) {
    String img = imgQYStateOff;
    Color color = const Color(0xFF149723);
    if (state != '已扦样') {
      img = imgQYStateOn;
      color = const Color(0xFFDEA70A);
    }
    return Positioned(
      top: 0,
      right: 0,
      child: Container(
        padding: const EdgeInsets.fromLTRB(40, 4, 20, 16),
        decoration: BoxDecoration(image: DecorationImage(image: AssetImage(img), fit: BoxFit.fill)),
        child: Text(
          state,
          style: TextStyle(color: color, fontSize: 15),
        ),
      ),
    );
  }

  Widget buildNumber(String number) {
    return Padding(
      padding: const EdgeInsets.only(left: 8, bottom: 6),
      child: Text(
        number,
        style: const TextStyle(color: MyColor.c_333333, fontSize: 16, fontWeight: FontWeight.bold),
      ),
    );
  }

  Widget buildGrid(SampleTaskItem item) {
    List<ItemMsgModel> inList = [];
    if (item.deliveryStatus != 2) {
      // 未扦样
      inList.add(ItemMsgModel(tit: '采样品种', content: item.cypzName, img: imgIconCJPZ));
      if (item.jyzb != null) {
        inList.add(ItemMsgModel(tit: '检验指标', content: item.jyzb, img: imgIconJYZB));
      }
      if (item.ypdj != null) {
        inList.add(ItemMsgModel(
            tit: '样品层级',
            content: DictService.getDict(DictType.ypdj, value: item.ypdj)?.label,
            img: imgIconYPDJ));
      }
      inList.add(ItemMsgModel(tit: '扦样地区', content: item.qydq, img: imgIconQYDQ));
    } else {
      // 已扦样
      inList.add(ItemMsgModel(tit: '采样品种', content: item.cypzName, img: imgIconCJPZ));
      if (item.jyzb != null) {
        inList.add(ItemMsgModel(tit: '检验指标', content: item.jyzb, img: imgIconJYZB));
      }
      if (item.ypdj != null) {
        inList.add(ItemMsgModel(
            tit: '样品层级',
            content: DictService.getDict(DictType.ypdj, value: item.ypdj)?.label,
            img: imgIconYPDJ));
      }
      inList.add(ItemMsgModel(tit: '扦样地区', content: item.qydq, img: imgIconQYDQ));
      inList.add(ItemMsgModel(tit: '扦样人员', content: item.name, img: imgIconQYRY));
      inList.add(ItemMsgModel(tit: '扦样时间', content: item.qysj, img: imgIconQYSJ));
    }
    return Padding(
      padding: const EdgeInsets.symmetric(horizontal: 8),
      child: LayoutBuilder(builder: (context, constraints) {
        return Wrap(
          spacing: 4,
          runSpacing: 12,
          children: inList.map((item) {
            return SizedBox(
              width: constraints.maxWidth / 2 - 2,
              child: Row(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Padding(
                    padding: const EdgeInsets.fromLTRB(0, 4, 6, 0),
                    child: Image.asset(item.img, width: 36),
                  ),
                  Expanded(
                    child: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        Text(item.tit, style: const TextStyle(color: MyColor.c_666666)),
                        Text(
                          item.content ?? '',
                          style:
                              const TextStyle(color: MyColor.c_666666, fontWeight: FontWeight.bold),
                        )
                      ],
                    ),
                  )
                ],
              ),
            );
          }).toList(),
        );
      }),
    );
  }

  Widget buildBottom(SampleTaskItem item) {
    Widget button = const SizedBox.shrink();
    if (widget.type == StepType.reap && item.deliveryStatus == 0) {
      button = MyButton(
        '任务领取',
        onTap: () => receiveTask(item),
        fountSize: 13,
        radius: 6,
        alignment: null,
        padding: const EdgeInsets.symmetric(vertical: 4, horizontal: 12),
      );
    } else if (widget.type == StepType.reap && item.deliveryStatus == 1) {
      button = MyButton(
        '开始扦样',
        onTap: () => startTaskDetail(false, item),
        fountSize: 13,
        radius: 6,
        alignment: null,
        padding: const EdgeInsets.symmetric(vertical: 4, horizontal: 12),
      );
    } else {
      button = MyButton(
        '修改信息',
        onTap: () => startTaskDetail(false, item, deliveryStatus: item.deliveryStatus),
        fountSize: 13,
        radius: 6,
        alignment: null,
        padding: const EdgeInsets.symmetric(vertical: 4, horizontal: 12),
      );
    }
    return Container(
      padding: const EdgeInsets.fromLTRB(8, 14, 12, 14),
      decoration: const BoxDecoration(
          gradient: LinearGradient(
              begin: Alignment.topCenter,
              end: Alignment.bottomCenter,
              colors: [Color(0xFFE4F5FC), Color(0xFFF5FDFD)])),
      child: Row(
        children: [
          Image.asset(
            imgIconEdit,
            width: 10,
          ),
          const SizedBox(width: 4),
          Expanded(
              child: item.deliveryStatus == 2
                  ? Text(
                      '扦样单据完成于${item.qysj ?? ''}',
                      style: const TextStyle(fontSize: 14, color: MyColor.c_666666),
                    )
                  : Text(
                      '扦样单据创建于${DateTimeUtils.yyyymmdd(timestamp: item.createTime) ?? ''}',
                      style: const TextStyle(fontSize: 14, color: MyColor.c_666666),
                    )),
          const SizedBox(width: 4),
          button,
        ],
      ),
    );
  }

  @override
  bool get wantKeepAlive => true;
}

class ItemMsgModel {
  final String tit;
  final String? content;
  final String img;

  ItemMsgModel({required this.tit, this.content, required this.img});
}