import 'dart:convert';
import 'dart:ui';
import 'package:barcode/barcode.dart';
import 'package:fis_jsonrpc/rpc.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_inappwebview/flutter_inappwebview.dart';
import 'package:get/get.dart';
import 'package:vitalapp/architecture/defines.dart';
import 'package:vitalapp/architecture/storage/text_storage.dart';
import 'package:vitalapp/architecture/utils/datetime.dart';
import 'package:vitalapp/architecture/utils/prompt_box.dart';
import 'package:vitalapp/global.dart';
import 'package:vitalapp/managers/interfaces/exam.dart';
import 'package:vitalapp/managers/interfaces/health_check_record.dart';
import 'package:vitalapp/managers/interfaces/registration.dart';
import 'package:vitalapp/pages/check/health_check_record/components/health_check.dart';
import 'package:vitalapp/pages/check/health_check_record/state.dart';
import 'package:vitalapp/pages/check/models/form.dart';
import 'package:vitalapp/pages/medical_checkup_station/registration/controller.dart';
import 'package:vitalapp/pages/medical_checkup_station/registration/state/list.dart';
import 'package:vitalapp/pages/medical_checkup_station/usb_print/module/printer_info.dart';
import 'package:vitalapp/rpc.dart';
import 'package:vitalapp/store/store.dart';
import 'package:webviewx/webviewx.dart';
import 'package:barcode_image/barcode_image.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'controllers/list_controller.dart';

class HealthCheckRecordController extends FControllerBase {
  late final ListController listController;

  /// 表格loading
  bool tableLoading = true;

  /// 当前表格页数
  int currPageIndex = 1;

  /// 预约列表的总数
  int appointmentModelListLength = 0;

  /// 体检列表
  List<ResidentModel> residentList = [];

  HealthCheckRecordController() {
    listController = ListController(this);
  }
  final state = HealthCheckRecordState();
  final _healthCheckRecordManager = Get.find<IHealthCehckRecordManager>();
  final _examManager = Get.find<IExamManager>();
  final registrationManager = Get.find<IRegistrationManager>();
  late String patientCode;
  PrinterInfo? printInfo;
  List<MenuItem> menuList = [
    MenuItem(label: "一般状况", value: 'ZZYBZK'),
    MenuItem(label: "辅助检查", value: 'FZJC'),
    MenuItem(label: "生活方式", value: 'SHFS'),
    MenuItem(label: "脏器及查体", value: 'ZQCT'),
    MenuItem(label: "现存主要健康问题", value: 'XCZYWT'),
    MenuItem(label: "住院及用药情况", value: 'ZYYYFMYGHYFJZS'),
    MenuItem(label: "健康评价及指导", value: 'JKPJJZD'),
  ];
  @override
  void onReady() {
    super.onReady();
    _initData();
  }

  _initData() {
    update(["contract_records"]);
    patientCode = Store.user.currentSelectPatientInfo?.code ?? '';
    _getExamRecordList();
    getRegisterInfoPage(keyword: patientCode);
  }

  Future<void> _getExamRecordList() async {
    try {
      var result =
          await _healthCheckRecordManager.getExamRecordList(patientCode);
      if (result != null) {
        state.examRecordDTOList = result;
      }
    } catch (e) {
      print(e);
      return;
    }
  }

  Future<void> updateExamByBatchNumberAsync(key, batchNumber, data) async {
    if (!kIsOnline) {
      // TODO: 暂不支持离线体检
      PromptBox.toast("请检查网络连接");
      return;
    }
    TextStorage template = TextStorage(
      fileName: key,
      directory: "patient/$patientCode/exam",
    );

    final result = await _examManager
        .updateExamByBatchNumberAsync(UpdateExamByBatchNumberRequest(
      key: key,
      batchNumber: batchNumber,
      examData: data,
      patientCode: patientCode,
    ));
    if (result ?? false) {
      try {
        template.save(data);
        PromptBox.toast('保存成功');
        await _getExamRecordList();
      } catch (err) {
        PromptBox.toast('保存失败');
      }
    }
  }

  ///读取静态Html
  Future<String> loadingLocalAsset() async {
    ///加载
    String htmlData = await rootBundle.loadString('assets/docs/examTable.html');
    print("加载数据完成 $htmlData");
    return htmlData;
  }

  Future<void> toExamDetailPage(int index, ExamRecordDTO dto) async {
    var initialData = await loadingLocalAsset();
    var examRecordDatas = state.examRecordDTOList[index].examRecordDatas;
    Map<String, dynamic> examData = {};
    examRecordDatas?.forEach((element) {
      examData.addAll(jsonDecode(element.examData ?? '{}'));
    });
    // 将数据转换为 JSON 字符串
    var jsonData = jsonEncode({
      "patientInfo": {
        "patientName": dto.patientName,
      },
      "examData": examData,
      "docterName": dto.examDoctor,
      "examTime":
          DataTimeUtils.formatDateString(dto.examTime ?? DateTime.now()),
    });
    _openExamDetail(initialData, jsonData);
  }

  Future<void> toCheckPage(
    ExamRecordDTO dto,
    List<ExamRecordDataDTO>? dataDTO,
    int index,
  ) async {
    Get.dialog(
      HealthCheckDialog(
        examRecord: dto,
        examRecordDatas: dataDTO,
        index: index,
      ),
    );
  }

  String getHealthCheckRecordType(String key) {
    switch (key) {
      case 'ZZYBZK':
        return '症状、一般状况';
      case 'SHFS':
        return '生活方式';
      case 'ZQCT':
        return '脏器、查体';
      case 'FZJC':
        return '辅助检查';
      case 'XCZYWT':
        return '现存主要问题';
      case 'ZYYYFMYGHYFJZS':
        return '住院、用药、非免疫规划预防接种史';
      case 'JKPJJZD':
        return '健康评价及指导';
      default:
        return "";
    }
  }

  String examStateTransition(ExamStateEnum state) {
    switch (state) {
      case ExamStateEnum.Unchecked:
        return "未体检";
      case ExamStateEnum.Invalid:
        return "已作废";
      case ExamStateEnum.Inspected:
        return "已体检";
      default:
        return "";
    }
  }

  MaterialColor examStateColors(ExamStateEnum state) {
    switch (state) {
      case ExamStateEnum.Unchecked:
        return Colors.grey;
      case ExamStateEnum.Invalid:
        return Colors.red;
      case ExamStateEnum.Inspected:
        return Colors.green;
      default:
        return Colors.blue;
    }
  }

  void _openExamDetail(
    String initialData,
    String jsonData,
  ) {
    // 将 JSON 字符串作为参数传递给 evaluateJavascript 方法
    Get.dialog(Column(
      children: [
        Container(
          width: 900,
          alignment: Alignment.centerRight,
          padding: const EdgeInsets.only(right: 20, top: 10),
          color: Colors.white,
          child: IconButton(
            onPressed: () {
              Get.back();
            },
            icon: const Icon(
              Icons.close,
            ),
          ),
        ),
        Expanded(
          child: Container(
            color: Colors.white,
            width: 900,
            height: double.maxFinite,
            child: _buildWebView(initialData, jsonData),
          ),
        ),
      ],
    ));
  }

  Widget _buildAppWebView(
    String initialData,
    String jsonData,
  ) {
    return InAppWebView(
      initialData: InAppWebViewInitialData(
        data: '<body style="padding:30px 100px;">$initialData </body>',
        mimeType: 'text/html',
        encoding: 'utf-8',
      ),
      onWebViewCreated: (controller) {
        controller.evaluateJavascript(source: "window.globalData = $jsonData;");
      },
      onConsoleMessage: (controller, consoleMessage) {
        // print(consoleMessage);
      },
    );
  }

  Widget _buildWebwebview(
    String initialData,
    String jsonData,
  ) {
    return WebViewX(
      height: MediaQuery.of(Get.context!).size.height,
      width: MediaQuery.of(Get.context!).size.width,
      initialSourceType: SourceType.html,
      initialContent:
          '<html><body style="padding:30px 100px;">$initialData </body></html>',
      javascriptMode: JavascriptMode.unrestricted,
      onWebResourceError: (p0) {},
      onWebViewCreated: (controller) async {
        await controller.evalRawJavascript(
          "window.globalData = $jsonData;",
          inGlobalContext: true,
        );
      },
    );

    // return FutureBuilder<String>(
    //   future: _loadLocalHtml(context,
    //       '<html><body style="padding: 100px;">${controller.state.templateContent}</body></html>'),
    //   builder: (context, snapshot) {
    //     if (!snapshot.hasData) {
    //       return const Center(child: CircularProgressIndicator());
    //       // return FCenter(child: FText("${i18nBook.common.loading.t}..."));
    //     } else {
    //       return WebViewX(
    //         height: MediaQuery.of(Get.context!).size.height,
    //         width: MediaQuery.of(Get.context!).size.width,
    //         initialSourceType: SourceType.html,
    //         initialContent:
    //             '<html><body style="padding: 100px;">${controller.state.templateContent}</body></html>',
    //         javascriptMode: JavascriptMode.unrestricted,
    //         onWebResourceError: (p0) {},
    //         onWebViewCreated: (controller) {
    //           // webviewControllerManager.initWebviewController(controller);
    //         },
    //       );
    //     }
    //   },
    // );
  }

  Widget _buildWebView(
    String initialData,
    String jsonData,
  ) {
    if (kIsWeb) {
      return _buildWebwebview(initialData, jsonData);
    } else {
      return _buildAppWebView(initialData, jsonData);
    }
  }

  void getExamLabelsByExamNoAsync(ResidentModel rowData) async {
    List<String> barCodes = [];
    var labels = await registrationManager.getExamLabelsByExamNoAsync(
        physicalExamNumber: rowData.physicalExamNumber!);
    for (var element in labels.eaxmLabels!) {
      var barCode = await drawRedRect(element, rowData);
      if (barCode.isNotEmpty) {
        barCodes.add(barCode);
      }
    }
    if (barCodes.length > 0) {
      rpc.platform.printLabels(barCodes);
      return;
    }
  }

  Future<String> drawRedRect(
      HealthExamLabelDTO labelDto, ResidentModel rowData) async {
    const size = Size(360, 240);
    final svg = Barcode.code128().toSvg(labelDto.uniquedCode!, height: 80);
    final PictureInfo pictureInfo =
        await vg.loadPicture(SvgStringLoader(svg), null);
    var a = await _capturePainterToImage(
        MyPainter(pictureInfo, labelDto, rowData),
        BgPainter(pictureInfo),
        size);
    String base64Image = base64Encode(a!);
    print(base64Image);

    return base64Image;
  }

  /// 将CustomPainter绘制的内容转换为图片
  Future<Uint8List?> _capturePainterToImage(
      CustomPainter painter, CustomPainter bgPainter, Size size) async {
    final bounds = Offset.zero & size;
    // final bounds2 = Offset.zero & Size(size.width - 20, size.height - 20);
    final picture = PictureRecorder();
    final pictureCanvas = Canvas(picture);
    // 给Canvas设置绘制范围
    pictureCanvas.clipRect(bounds);
    painter.paint(pictureCanvas, size);
    // 在Canvas上进行绘制
    bgPainter.paint(pictureCanvas, size);

    // 结束绘制
    final recordedPicture = picture.endRecording();
    final image =
        await recordedPicture.toImage(size.width.toInt(), size.height.toInt());

    // 转换为字节数组
    final byteData = await image.toByteData(format: ImageByteFormat.png);
    final bytes = byteData?.buffer.asUint8List();

    return bytes;
  }

  Future<void> getRegisterInfoPage({
    int? pageSize = 10,
    int? pageIndex = 1,
    String? keyword = "",
    DateTime? startTime,
    DateTime? endTime,
  }) async {
    tableLoading = true;
    currPageIndex = pageIndex!;

    var result = await registrationManager.getRegisterInfoPageAsync(
      pageSize: pageSize,
      pageIndex: pageIndex,
      keyword: keyword,
      startTime: startTime,
      endTime: endTime,
    );

    List<ResidentModel> _residentList = [];
    if (result?.pageData != null) {
      for (RegisterInfoDTO i in result!.pageData!) {
        String statusStr = '';
        ExamStateEnum status = i.state;
        switch (status) {
          case ExamStateEnum.Unchecked:
            statusStr = "未体检";
            break;
          case ExamStateEnum.Invalid:
            statusStr = "已作废";
            break;
          case ExamStateEnum.Inspected:
            statusStr = "已体检";
            break;
          case ExamStateEnum.Reported:
            statusStr = "已报告";
            break;
        }
        _residentList.add(
          ResidentModel(
            name: i.name ?? '',
            idNumber: i.iDCardNo ?? '',
            code: i.code ?? '',
            homeAddress: i.adress,
            age: getAgeOfIdNumber(i.iDCardNo ?? ''),
            physicalExamNumber: i.physicalExamNumber,
            phone: i.phone,
            finishedExamKeys: i.finishedExamKeys,
            physicalExamStatus: statusStr,
            birthDay: i.birthday,
            sex: i.sex,
            batchNumber: i.batchNumber,
          ),
        );
      }
      appointmentModelListLength = result.totalCount;
    }

    residentList = _residentList;
    tableLoading = false;
    update(["HealCheckRecord"]);
  }

  String getAgeOfIdNumber(String idNumber) {
    if (idNumber.isEmpty) return '';
    final idCardRegex = RegExp(r'^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})(\d|X)$');
    final match = idCardRegex.firstMatch(idNumber);
    if (match != null) {
      final year = int.parse(match.group(2)!);
      final month = int.parse(match.group(3)!);
      final day = int.parse(match.group(4)!);

      final birthDate = DateTime(year, month, day);

      String age = DataTimeUtils.calculateAge(birthDate);
      return age;
    }
    return ''; // 返回一个默认值
  }
}