// ignore_for_file: must_be_immutable

import 'package:date_format/date_format.dart';
import 'package:fis_common/extensions/string.dart';
import 'package:fis_jsonrpc/rpc.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:vitalapp/architecture/app_parameters.dart';
import 'package:vitalapp/architecture/utils/prompt_box.dart';
import 'package:vitalapp/components/alert_dialog.dart';
import 'package:vitalapp/components/dialog_date.dart';
import 'package:vitalapp/components/dialog_input.dart';
import 'package:vitalapp/components/dialog_select.dart';
import 'package:vitalapp/components/input.dart';
import 'package:vitalapp/helper/id_card_helper.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/store/store.dart';

class RegistrationFormDialog extends StatefulWidget {
  final RegistrationInfoModel? patient;
  final bool? isEdit;

  RegistrationFormDialog({Key? key, this.patient, this.isEdit = false})
      : super(key: key);

  @override
  _RegistrationFormDialogState createState() => _RegistrationFormDialogState();
}

class _RegistrationFormDialogState extends State<RegistrationFormDialog> {
  var controller = Get.find<RegistrationController>();
  @override
  Widget build(BuildContext context) {
    return GetBuilder<RegistrationController>(
      id: "registration_Form",
      builder: (_) {
        return VAlertDialog(
          title: widget.isEdit! ? "编辑登记信息" : "体检信息录入",
          width: 900,
          content: _buildView(),
          onConfirm: _onSubmitIdentityVerify,
        );
      },
    );
  }

  Widget _buildView() {
    return Container(
      child: ListView(
        shrinkWrap: true,
        children: [
          Column(
            children: [
              _buildInputItem(
                "身份证号",
                value: widget.patient?.cardNo ?? '',
                onTap: () async {
                  var result = await VDialogInput(
                    initialValue: widget.patient?.cardNo ?? '',
                    title: "身份证号",
                    onConfirmVerification: (v) {
                      bool isValid = IdCardHelper.validateIDCard(v);
                      if (!isValid) {
                        PromptBox.showToast("请填写正确的证件号");
                      }
                      return isValid;
                    },
                    showCancel: true,
                  ).show();
                  if (result == null) {
                    return;
                  }
                  if (widget.patient == null) {
                    return;
                  }
                  result = result.toString().toUpperCase();
                  final patient = widget.patient!;
                  patient.cardNo = result;
                  patient.birthday = _getBirthDayofIdNumber(result);
                  patient.patientGender = _checkGenderFromID(result);
                  final patientDto = await controller.getPatientByID(result);
                  if (patientDto != null) {
                    patient.patientName = patientDto.patientName;
                    patient.phone = patientDto.phone;
                    patient.patientAddress = patientDto.patientAddress;
                  }
                  controller.update(["registration_Form"]);
                },
              ),
              _buildInputItem(
                "姓名",
                value: widget.patient?.patientName ?? '',
                onTap: () async {
                  var result = await VDialogInput(
                    initialValue: widget.patient?.patientName ?? '',
                    title: "姓名",
                  ).show();
                  if (result != null) {
                    widget.patient?.patientName = result;
                    controller.update(["registration_Form"]);
                  }
                },
              ),
              _buildInputItem(
                "性别",
                value: controller.formController.selectGenderList
                    .firstWhereOrNull((element) =>
                        element.code == widget.patient?.patientGender)
                    ?.name,
                onTap: () async {
                  String? result =
                      await VDialogSelect<VSelectGenderEnumModel, String>(
                    source: controller.formController.selectGenderList,
                    labelGetter: (data) => data.name,
                    valueGetter: (data) => data.code.index.toString(),
                    initialValue:
                        widget.patient?.patientGender?.index.toString(),
                    title: "性别",
                  ).show();
                  if (result != null) {
                    widget.patient?.patientGender =
                        GenderEnum.values[int.parse(result)];
                    controller.update(["registration_Form"]);
                  }
                },
                suffixIcon: Icon(
                  Icons.chevron_right_rounded,
                  size: 30,
                ),
              ),
              _buildInputItem(
                "生日",
                value: getBirthDay(widget.patient?.birthday),
                onTap: () async {
                  DateTime? result;
                  bool _isLocalStation = AppParameters.data.isLocalStation;
                  if (kIsWeb || _isLocalStation) {
                    result = await showDatePicker(
                      context: Get.context!,
                      initialDate: widget.patient?.birthday ?? DateTime.now(),
                      firstDate: DateTime(1900),
                      lastDate: DateTime(2100),
                    );
                  } else {
                    result = await VDialogDate(
                      initialValue: widget.patient?.birthday,
                      title: "生日",
                    ).show();
                  }
                  if (result != null) {
                    widget.patient?.birthday = result;
                    controller.update(["registration_Form"]);
                  }
                },
                suffixIcon: Icon(
                  Icons.chevron_right_rounded,
                  size: 30,
                ),
              ),
              _buildInputItem(
                "手机号",
                value: widget.patient?.phone,
                onTap: () async {
                  var result = await VDialogInput(
                    initialValue: widget.patient?.phone ?? '',
                    title: "手机号",
                    showCancel: true,
                    onConfirmVerification: (v) {
                      var isValid =
                          (v.length == 11 && IdCardHelper.isNumeric(v));
                      if (!isValid) {
                        PromptBox.showToast("请填写正确的手机号");
                      }
                      return isValid;
                    },
                  ).show();
                  if (result != null) {
                    widget.patient?.phone = result;
                    controller.update(["registration_Form"]);
                  }
                },
              ),
              _buildInputItem(
                "家庭住址",
                value: widget.patient?.patientAddress ?? '',
                onTap: () async {
                  var result = await VDialogInput(
                    initialValue: widget.patient?.patientAddress ?? '',
                    title: "家庭住址",
                  ).show();
                  if (result != null) {
                    widget.patient?.patientAddress = result;
                    controller.update(["registration_Form"]);
                  }
                },
              ),
              SizedBox(
                height: 40,
              )
            ],
          ),
        ],
      ),
    );
  }

  Widget _buildInputItem(String title,
      {String? value, Function()? onTap, Widget? suffixIcon, int? maxLines}) {
    return Container(
      padding: const EdgeInsets.only(
        left: 80,
        right: 110,
      ),
      child: Row(
        children: [
          Container(
            width: 150,
            padding: const EdgeInsets.symmetric(vertical: 16),
            child: Text(
              title,
              style: const TextStyle(fontSize: 22),
            ),
          ),
          Expanded(
            child: VInput(
              initialValue: value,
              radius: 4,
              readOnly: true,
              suffixIcon: suffixIcon,
              maxLines: maxLines,
              onTap: () {
                onTap?.call();
              },
            ),
          )
        ],
      ),
    );
  }

  void _onSubmitIdentityVerify() async {
    String? isValidate = await _validateForm(widget.patient);
    if (isValidate != null) {
      PromptBox.toast(isValidate);
      return;
    } else {
      final patientDto =
          await controller.getPatientByID(widget.patient!.cardNo!, false);
      if (patientDto != null) {
        if (patientDto.currentOrgCode != Store.user.organizationCode) {
          PromptBox.toast("该居民已被其他医院建档");
          return;
        }
      }
      Get.back(result: widget.patient);
    }
  }

  Future<String?> _validateForm(RegistrationInfoModel? patient) async {
    if (patient == null) {
      return "当前不存在病人";
    }
    if (patient.patientName == null || patient.patientName!.isEmpty) {
      return "请填写姓名";
    }
    if (patient.cardNo == null || patient.cardNo!.isEmpty) {
      return "请填写身份证";
    }
    if (patient.patientGender == null) {
      return "请填写性别";
    }

    bool isNotIDCard = IdCardHelper.validateIDCard(patient.cardNo ?? '');
    if (!isNotIDCard) {
      return "请填写正确的身份证号";
    }

    if (patient.phone.isNotNullOrEmpty) {
      if (patient.phone!.length != 11 || !isNumeric(patient.phone!)) {
        return "请填写正确的联系电话";
      }
    }

    /// TODO 需求变更暂时删除
    // final selectedNormalCodes = crowdLabelsController.state.selectedNormalCodes;

    // if (selectedNormalCodes.length > 1) {
    //   return "人群分类：一般人群、儿童、孕妇、老年人，只可选择其一！";
    // }
    // final crowdLabelCodes = crowdLabelsController.state.selectedCodes;
    // if (crowdLabelCodes.isEmpty) {
    //   return "请选择人群分类";
    // }
    // if (state.gender == GenderEnum.Male &&
    //     crowdLabelCodes.contains('RQFL_YF')) {
    //   return "当前居民性别为“男”，人群分类不可选择孕妇！";
    // }
    return null;
  }

  bool isNumeric(String str) {
    if (str.isEmpty) {
      return false;
    }
    return double.tryParse(str) != null;
  }

  DateTime? _getBirthDayofIdNumber(String idCardNumber) {
    if (idCardNumber.isEmpty) return DateTime(1970, 1, 1);
    final idCardRegex = RegExp(r'^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})(\d|X)$');
    final match = idCardRegex.firstMatch(idCardNumber);
    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);

      return birthDate;
    }
    return null; // 返回一个默认值，表示无法提取出生日期
  }

  GenderEnum _checkGenderFromID(String idNumber) {
    if (idNumber.isNullOrEmpty) {
      return GenderEnum.Unspecified;
    }
    int secondLastDigit = int.parse(idNumber[idNumber.length - 2]);

    if (secondLastDigit % 2 == 0) {
      return GenderEnum.Female;
    } else {
      return GenderEnum.Male;
    }
  }

  String getBirthDay(DateTime? birthDay) {
    if (birthDay == null) {
      return "";
    }
    return formatDate(birthDay, [yyyy, "-", mm, "-", dd]);
  }
}

// 由于 PatientDTO 的不可控，故创建自有模型，用于创建新记录
class RegistrationInfoModel {
  String? code;
  String? patientName;
  String? phone;
  String? cardNo;
  String? nationality;
  DateTime? birthday;
  GenderEnum? patientGender;
  String? patientAddress;
  String? permanentResidenceAddress;

  RegistrationInfoModel({
    this.code,
    this.patientName,
    this.phone,
    this.cardNo,
    this.nationality,
    this.birthday,
    this.patientGender,
    this.patientAddress,
  });

  factory RegistrationInfoModel.fromPatientDTO(PatientDTO patient) {
    return RegistrationInfoModel(
      code: patient.code,
      patientName: patient.patientName,
      phone: patient.phone,
      cardNo: patient.cardNo,
      nationality: patient.nationality,
      birthday: patient.birthday,
      patientGender: patient.patientGender,
      patientAddress: patient.patientAddress,
    );
  }

  PatientDTO addToPatientDTO(PatientDTO patient) {
    patient.code = code;
    patient.patientName = patientName;
    patient.phone = phone;
    patient.cardNo = cardNo;
    patient.nationality = nationality;
    patient.birthday = birthday;
    patient.patientGender = patientGender ?? GenderEnum.Unspecified;
    patient.patientAddress = patientAddress;
    patient.permanentResidenceAddress = permanentResidenceAddress;
    return patient;
  }

  static GenderEnum getGenderEnum(String? genderString) {
    switch (genderString) {
      case "男":
        return GenderEnum.Male;
      case "女":
        return GenderEnum.Female;
      case "未知的性别":
        return GenderEnum.Unknown;
      case "未说明的性别":
        return GenderEnum.Unspecified;
      default:
        return GenderEnum.Unspecified;
    }
  }

  static String getGenderString(GenderEnum? enumValue) {
    switch (enumValue) {
      case GenderEnum.Male:
        return "男";
      case GenderEnum.Female:
        return "女";
      case GenderEnum.Unknown:
        return "未知的性别";
      case GenderEnum.Unspecified:
        return "未说明的性别";
      default:
        return "未说明的性别";
    }
  }
}