import 'dart:convert';
import 'package:fis_jsonrpc/rpc.dart';
import 'package:flutter/foundation.dart';
import 'package:vital_local_database/core/interface/queryable.dart';
import 'package:vitalapp/database/db.dart';
import 'package:vitalapp/database/entities/defines.dart';
import 'package:vitalapp/database/entities/patient.dart';
import 'package:vitalapp/global.dart';
import 'package:vitalapp/managers/interfaces/models/patient_model_dto.dart';
import 'package:vitalapp/managers/interfaces/patient.dart';
import 'package:vitalapp/mock/services/patient.dart';
import 'package:vitalapp/pages/patient/info/widgets/ext_model.dart';
import 'package:vitalapp/rpc.dart';
import 'package:fis_common/logger/logger.dart';
import 'package:vitalapp/store/store.dart';

class PatientManager implements IPatientManager {
  String? get userCode => Store.user.userCode;

  @override
  Future<String?> create(CreatePatientRequest2 request) async {
    request.token = Store.user.token;
    request.code = request.cardNo;
    final result = await rpc.vitalPatient.createPatientAsync(request);
    return result;
  }

  @override
  Future<List<PatientModelDTO>?> getPagedOfflineList(
    String? keyword,
    DateTime? startTime,
    DateTime? endTime,
  ) async {
    final isKeywordQuery = keyword != null && keyword.isNotEmpty;
    var query = db.repositories.patient.queryable.where((x) {
      final List<IDbColumnCondition> arr = [];
      arr.add(x.isValid.equals(true));
      arr.add(x.orgCode.equals(Store.user.organizationCode));
      arr.add(x.overallSyncState.notEquals(OfflineDataSyncState.success));

      if (!isKeywordQuery) {}
      return arr;
    });
    if (isKeywordQuery) {
      // 根据 姓名or身份证号 模糊查询
      query = query.whereCustom(
          " AND ( name like '%$keyword%' OR code like '%$keyword%' ) ");
    } else {
      if (startTime != null) {
        query = query.and((x) => x.createTime.gte(startTime));
      }
      if (endTime != null) {
        query = query.and((x) => x.createTime.lt(endTime));
      }
    }
    final entities =
        await query.orderBy((x) => x.updateTime, DbOrderByType.desc).toList();
    final dtos = entities.map((e) {
      var patientModel = PatientModelDTO.fromJson(jsonDecode(e.dataJson));
      patientModel.isExistLocalData = true;
      return patientModel;
    }).toList();
    return dtos;
  }

  @override
  Future<PatientDTO?> getDetail(String code) async {
    final request = GetPatientRequest(code: code, token: Store.user.token);
    try {
      if (kIsOnline && !kIsWeb) {
        //在线状态，先查询是否存在本地未提交数据
        final entity = await db.repositories.patient
            .singleByCodeWithUserCode(code, Store.user.userCode!);
        if (entity != null &&
            entity.dataJson.isNotEmpty &&
            entity.syncState != OfflineDataSyncState.success) {
          logger.i("PatientManager query patient detail location exist.");
          final jsonMap = jsonDecode(entity.dataJson);
          final dto = PatientDTO.fromJson(jsonMap);
          return dto;
        } else {
          logger.i("PatientManager query patient detail location not exist.");
        }
      }
      final result = await rpc.vitalPatient.getPatientDetailAsync(request);
      return result;
    } catch (e) {
      logger.e("PatientManager query patient detail error.", e);
      logger.i("GetPatientRequest: ${jsonEncode(request.toJson())}");
      return null;
    }
  }

  @override
  Future<PageCollection<PatientModelDTO>?> getPagedList(
      PatientPageRequest request) async {
    PageCollection<PatientModelDTO>? listPatientDto =
        PageCollection<PatientModelDTO>();
    try {
      request.token = Store.user.token;
      print(jsonEncode(request.toJson()));
      final result = await rpc.vitalPatient.getPatientPageAsync(request);
      listPatientDto.dataCount = result.dataCount;
      listPatientDto.pageData = [];
      for (var element in result.pageData!) {
        var patientModel = PatientModelDTO.fromJson(element.toJson());
        if (!kIsWeb) {
          var isNotUploadedPatient =
              await db.repositories.patient.isNotUploadedPatient(element.code!);
          if (isNotUploadedPatient) {
            patientModel.isExistLocalData = true;
          }
        }

        listPatientDto.pageData?.add(patientModel);
      }
      return listPatientDto;
    } catch (e) {
      logger.e("PatientManager query patient paged list error.", e);
      return null;
    }
  }

  @override
  Future<bool> updatePatientAsync(UpdatePatientRequest2 request) async {
    try {
      if (kIsOnline) {
        await _updateLocationPatientAsync(request);
      }
      final result = await rpc.vitalPatient.updatePatientAsync(request);
      return result;
    } catch (e) {
      return false;
    }
  }

  ///在线编辑居民信息时，同步更改本地缓存
  Future<bool> _updateLocationPatientAsync(
      UpdatePatientRequest2 request) async {
    final code = request.code!;
    final existEntity = await _checkPatientExist(code);

    PatientEntity entity;
    PatientDTO dto;
    if (existEntity == null) {
      entity = PatientEntity();
      entity.code = request.code!;
      entity.isValid = true;
      entity.name = request.patientName!;
      entity.userCode = Store.user.userCode!; //添加用户code
      entity.syncState = OfflineDataSyncState.success;
      dto = PatientDTO();
      ModelConverter.syncUpdate2Dto(dto, request);

      final dtoJson = dto.toJson();
      entity.dataJson = jsonEncode(dtoJson);

      final id = await db.repositories.patient.insert(entity);
      return id > 0;
    } else {
      entity = existEntity;
      final jsonMap = jsonDecode(entity.dataJson);
      dto = PatientDTO.fromJson(jsonMap);
      ModelConverter.syncUpdate2Dto(dto, request);

      final dtoJson = dto.toJson();
      entity.dataJson = jsonEncode(dtoJson);

      final rows = await db.repositories.patient.update(entity);
      return rows > 0;
    }
  }

  Future<PatientEntity?> _checkPatientExist(String code) async {
    try {
      final entity = await db.repositories.patient
          .singleByCodeWithUserCode(code, Store.user.userCode!);
      return entity;
    } catch (e) {
      logger.e(
          "PatientServiceMock - Check patient exist error. Code: $code.", e);
    }
    return null;
  }

  @override
  Future<bool> setCrowdLabelsAsync(
      String patientCode, List<String> crowLabels) async {
    try {
      final request = SetCrowdLabelsRequest(
          code: patientCode, crowdLabels: crowLabels, token: Store.user.token);
      final result = rpc.vitalPatient.setCrowdLabelsAsync(request);
      return result;
    } catch (e) {
      logger.e("PatientManager setCrowdLabelsAsync error.", e);
      return false;
    }
  }

  Future<String> createPatientExtension(
      String patientCode,
      PatientHealthInfoModel healthInfo,
      PatientDetailInfoModel detailInfo,
      String healthCode) async {
    final jsonMap = <String, dynamic>{};
    final detailJsonMap = detailInfo.toJson();
    final healthJsonMap = healthInfo.toJson();
    jsonMap.addAll(detailJsonMap);
    jsonMap.addAll(healthJsonMap);
    jsonMap.removeWhere((key, value) => value == null);

    if (!kIsOnline) {
      if (healthCode.startsWith("mock")) {
        healthCode = ""; // TODO:update from server
      }
    }

    if (healthCode.isNotEmpty) {
      var request = UpdatePatientExtensionRequest(
        code: healthCode,
        token: Store.user.token,
        patientCode: patientCode,
        key: "PatientHealthInfo",
        extensionData: jsonEncode(jsonMap),
      );

      var result = await updatePatientExtensionAsync(request);
      if (result) {}
    } else {
      var request = CreatePatientExtensionRequest(
        token: Store.user.token,
        patientCode: patientCode,
        key: "PatientHealthInfo",
        extensionData: jsonEncode(jsonMap),
      );

      var result = await createPatientExtensionAsync(request);
      if (result.isNotEmpty) {
        healthCode = result;
      }
    }

    ///更新
    return healthCode;
  }

  @override
  Future<String> createPatientExtensionAsync(
      CreatePatientExtensionRequest request) async {
    try {
      final result =
          await rpc.vitalPatientExtension.createPatientExtensionAsync(request);
      return result;
    } catch (e) {
      logger.e("PatientManager createPatientExtension error.", e);
      return '';
    }
  }

  @override
  Future<PatientExtensionDTO?> getPatientExtensionDetailByCodeAndKeyAsync(
      GetPatientExtensionByCodeAndKeyRequest request) async {
    try {
      final result = await rpc.vitalPatientExtension
          .getPatientExtensionDetailByCodeAndKeyAsync(request);
      return result;
    } catch (e) {
      return null;
    }
  }

  @override
  Future<bool> updatePatientExtensionAsync(
      UpdatePatientExtensionRequest request) async {
    try {
      final result =
          await rpc.vitalPatientExtension.updatePatientExtensionAsync(request);
      return result;
    } catch (e) {
      logger.e("PatientManager updatePatientExtension error.", e);
      return false;
    }
  }

  ///获取所有userCode为空的数据，并赋值
  @override
  Future<void> resettingUsercodeIsEmptyData() async {
    if (kIsWeb) return;
    var version = await db.database.getVersion();
    if (version > 0) {
      final list = await db.repositories.patient.queryable.where((x) {
        final List<IDbColumnCondition> arr = [];
        arr.add(x.isValid.equals(true));
        arr.add(x.userCode.equals(''));
        return arr;
      }).toList();
      logger.w(
          "PatientManager resettingUsercodeIsEmptyData list.count:${list.length}.");
      for (var element in list) {
        if (element.syncState == OfflineDataSyncState.success) {
          var result = await getDetail(element.code);
          if (result != null) {
            element.userCode = result.createdDoctor!;
          }
        } else {
          element.userCode = Store.user.userCode!;
        }
        await db.repositories.patient.update(element);
      }

      // 更新归属于该医生下的居民的组织Code
      final orgCode = Store.user.organizationCode;
      final userCode = Store.user.userCode;
      await db.database.execute(
          "UPDATE patients SET orgCode = '$orgCode' WHERE 1=1 AND isValid=1 AND orgCode='' AND userCode='$userCode';");
    }
  }

  @override
  Future<void> switchCurrentPatient(PatientDTO dto) async {
    try {
      if (!kIsWeb) {
        await _syncCloud2Offline(dto);
      }
      Store.user.currentSelectPatientInfo = dto;
    } catch (e) {
      logger.e("PatientManager switchCurrentPatient-${dto.code} error.", e);
    }
  }

  @override
  Future<void> switchCurrentPatientByCode(String code) async {
    final dto = await getDetail(code);
    if (dto != null) {
      await switchCurrentPatient(dto);
    }
  }

  @override
  Future<RegisterPersonInfoDTO?>
      getRegisterPersonInfoByPhysicalExamNumberAsync({
    required String physicalExamNumber,
  }) async {
    try {
      var request = GetRegisterPersonRequest();
      request.physicalExamNumber = physicalExamNumber;
      final registerPersonInfo = await rpc.vitalHealthExamBooking
          .getRegisterPersonInfoByPhysicalExamNumberAsync(
        request,
      );
      return registerPersonInfo;
    } catch (e) {
      logger.e(
          "PatientManager sync getRegisterPersonInfoByPhysicalExamNumberAsync error.",
          e);
      return null;
    }
  }

  @override
  Future<bool> removePatient(String code) async {
    bool result = false;
    try {
      final entity = await db.repositories.patient
          .singleByCodeWithUserCode(code, Store.user.userCode!);
      if (entity != null) {
        result = await db.repositories.patient.delete(entity.id);
        if (!result) {
          return false;
        }
      }
      if (kIsOnline) {
        try {
          // 先检查云端是否有数据
          final dto = await rpc.vitalPatient.getPatientDetailAsync(
            GetPatientRequest(code: code, token: Store.user.token),
          );
          // 然后再请求删除
          result = await rpc.vitalPatient.removePatientAsync(
            RemovePatientRequest(code: code, token: Store.user.token),
          );
        } catch (e) {
          logger.e("PatientManager remove cloud patient-$code error.", e);
        }
      }
    } catch (e) {
      logger.e("PatientManager remove patient-$code error.", e);
      result = false;
    }
    if (result) {
      if (Store.user.currentSelectPatientInfo?.code == code) {
        Store.user.currentSelectPatientInfo = null;
      }
    }
    return result;
  }

  @override
  Future<PatientStatisticDTO> getStatistic() async {
    try {
      if (!kIsOnline) {
        // TODO: offline statistic
        return PatientStatisticDTO();
      }
      final result = await rpc.vitalPatient.getPatientStatisticAsync(
          GetPatientStatisticRequest(token: Store.user.token));
      return result;
    } catch (e) {
      logger.e("PatientManager get patient statistic error.", e);
      return PatientStatisticDTO();
    }
  }

  Future<void> _syncCloud2Offline(PatientDTO dto) async {
    PatientEntity? entity = await db.repositories.patient
        .singleByCodeWithUserCode(dto.code!, Store.user.userCode!);
    if (entity == null) {
      entity = PatientEntity();
      entity.isValid = true;
      entity.code = dto.code!;
      entity.userCode = userCode!;
      entity.orgCode = Store.user.organizationCode;
      // 从在线数据中刚获取的，不需要同步
      entity.syncState = OfflineDataSyncState.success;
      entity.overallSyncState = OfflineDataSyncState.success;
      // 先创建，后面统一代码更新
      final id = await db.repositories.patient.insert(entity);
      entity.id = id;
    } else {
      if (entity.syncState != OfflineDataSyncState.success) {
        // 本地档案有更新，已本地数据为准
        return;
      }
    }
    entity.name = dto.patientName!;
    final dtoJsonMap = dto.toJson();
    entity.dataJson = jsonEncode(dtoJsonMap);
    var extDto = await getPatientExtensionDetailByCodeAndKeyAsync(
      GetPatientExtensionByCodeAndKeyRequest(
        token: Store.user.token,
        patientCode: dto.code,
        key: "PatientHealthInfo",
      ),
    );
    if (extDto != null && extDto.code != null) {
      entity.extJson = extDto.extensionData;
      entity.extCode = extDto.code;
    }
    await db.repositories.patient.update(entity);
  }
}