import 'dart:convert';

import 'package:fis_common/index.dart';
import 'package:fis_jsonrpc/rpc.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:vitalapp/architecture/utils/datetime.dart';
import 'package:vitalapp/components/appbar.dart';
import 'package:vitalapp/managers/interfaces/prescription.dart';
import 'package:vitalapp/pages/form/form_info.dart';
import 'package:vitalapp/store/store.dart';

import 'prescription_form.dart';
import 'prescription_form_keys.dart';

class PrescriptionCollection extends StatefulWidget {
  ///随访Code
  final String followUpCode;
  final bool isChild;
  final Future<String> Function()? createFollowUpOnly;
  final bool isCreateFromOldDto;

  PrescriptionCollection(
    this.followUpCode, {
    this.isChild = true,
    this.createFollowUpOnly,
    this.isCreateFromOldDto = false,
  });

  @override
  State<StatefulWidget> createState() {
    return PrescriptionCollectionState();
  }
}

class PrescriptionCollectionState extends State<PrescriptionCollection> {
  final _prescriptionManager = Get.find<IPrescriptionManager>();
  String _prescriptionFormKey = "";
  Map<String, Map<String, dynamic>> formValues = {};
  Map<String, String> _existPrescriptionCodes = {};
  String _followUpCode = "";
  bool _isLoading = true;
  List<String> _hasSubmitPrescriptionList = [];

  ///处方模板中所有key
  final List<String> allPrescriptionKeys = [
    "PatientName",
    "PatientGender",
    "PatientAge",
    "DiseaseName",
    "PatientInspectionItems",
    "History",
    "Conclusion",
    "ReportDescription",
    "DigitalSignature",
    "PatientPhoneNumber",
    "ReportTime",
    "PatientExaminationWay",
  ];

  @override
  void initState() {
    _followUpCode = widget.followUpCode;
    if (widget.isChild) {
      _prescriptionFormKey = PrescriptionFormKeys.AllChildFormKeys.keys.first;
    } else {
      _prescriptionFormKey =
          PrescriptionFormKeys.AllPregnantWomenFormKeys.keys.first;
    }
    super.initState();
    _initData();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.white,
      appBar: VAppBar(
        titleWidget: Text(widget.isChild ? "儿童处方" : "孕产妇处方"),
        actions: [
          TextButton.icon(
            onPressed: () async {
              if (FormInfo.instance.formValue.isNotEmpty) {
                formValues[_prescriptionFormKey] = FormInfo.instance.formValue;
              }
              for (var k in formValues.keys) {
                var value = formValues[k];

                ///创建处方
                await createOrUpdatePrescription(k, value ?? {});
              }

              /// 儿童就需要清除
              if (widget.isChild) {
                FormInfo.instance.formValue.clear();
              }
              Get.back();
            },
            label: Text(
              '保存',
              style: TextStyle(fontSize: 20, color: Colors.white),
            ),
            icon: Icon(Icons.save, size: 32, color: Colors.white),
          ),
        ],
        iconBack: () {
          if (widget.isChild) {
            FormInfo.instance.formValue.clear();
          }
        },
      ),
      body: Row(
        children: [
          Container(
            width: 300,
            child: _buildLeft(),
          ),
          VerticalDivider(
            width: 1,
            color: Colors.black45,
          ),
          Expanded(
              child: _isLoading
                  ? Center(
                      child: CircularProgressIndicator(),
                    )
                  : PrescriptionForm(_prescriptionFormKey)),
        ],
      ),
    );
  }

  Future<void> createOrUpdatePrescription(
      String prescriptionKey, Map<String, dynamic> value) async {
    PatientDTO? currentPatient = Store.user.currentSelectPatientInfo;

    var keys = value.keys;
    int targetLength = 3;
    if (Store.user.signature.isNotNullOrEmpty) {
      targetLength = 4;
    }
    if (keys.contains("PatientName") &&
        keys.contains("PatientGender") &&
        keys.contains("PatientAge")) {
      var age = DataTimeUtils.calculateAge(
          Store.user.currentSelectPatientInfo!.birthday!);
      String patientGender = "";
      if (currentPatient?.patientGender == GenderEnum.Male) {
        patientGender = "1";
      } else if (currentPatient?.patientGender == GenderEnum.Female) {
        patientGender = "2";
      }
      if (value["PatientName"] == currentPatient?.patientName &&
          value["PatientAge"] == age &&
          value["PatientGender"] == patientGender) {
        int count = 0;
        for (var key in keys) {
          if (allPrescriptionKeys.contains(key)) {
            count++;
          }
        }
        if (count == targetLength) {
          ///经和测试讨论，如果一个表格只存在默认填充的数据，则不提交
          return;
        }
      }
    }

    /// 测试的需求 需要提交一个和随访历史记录一样的新的随访记录
    if (widget.isCreateFromOldDto && _followUpCode == widget.followUpCode) {
      _followUpCode = await widget.createFollowUpOnly!.call();
    }
    if (_followUpCode.isEmpty) {
      _followUpCode = await widget.createFollowUpOnly!.call();
    }
    var patientCode = currentPatient?.code ?? '';

    /// 加号进来都是新增处方
    if (widget.isCreateFromOldDto) {
      /// 创建处方
      String? prescriptionCode = await _prescriptionManager.createPrescription(
        patientCode: patientCode,
        followUpCode: _followUpCode,
        prescriptionKey: prescriptionKey,
        prescriptionData: jsonEncode(value),
      );
    } else {
      if (_existPrescriptionCodes.keys.contains(prescriptionKey)) {
        /// 更新处方
        await _prescriptionManager.updatePrescription(
          patientCode: patientCode,
          followUpCode: _followUpCode,
          prescriptionKey: prescriptionKey,
          prescriptionData: jsonEncode(value),
          prescriptionCode: _existPrescriptionCodes[prescriptionKey]!,
        );
      } else {
        /// 创建处方
        String? prescriptionCode =
            await _prescriptionManager.createPrescription(
          patientCode: patientCode,
          followUpCode: _followUpCode,
          prescriptionKey: prescriptionKey,
          prescriptionData: jsonEncode(value),
        );
      }
    }
  }

  void selectRaidoChange(MapEntry<String, String> e) {
    if (FormInfo.instance.formValue.isNotEmpty) {
      formValues[_prescriptionFormKey] = FormInfo.instance.formValue;
      FormInfo.instance.formValue = {};
    }
    _prescriptionFormKey = e.key;
    if (formValues.containsKey(_prescriptionFormKey)) {
      FormInfo.instance.formValue = formValues[_prescriptionFormKey] ?? {};
    }
    setState(() {});
  }

  Widget _buildLeft() {
    var keys = PrescriptionFormKeys.AllChildFormKeys;
    if (!widget.isChild) {
      keys = PrescriptionFormKeys.AllPregnantWomenFormKeys;
    }
    return ListView(
      shrinkWrap: true,
      children: keys.entries.map(
        (e) {
          return Container(
            margin: EdgeInsets.symmetric(
              vertical: 6,
              horizontal: 10,
            ),
            decoration: BoxDecoration(
              border: Border.all(
                color: _prescriptionFormKey == (e.key)
                    ? Colors.blue
                    : _hasSubmitPrescriptionList.contains(e.key)
                        ? Colors.green
                        : Colors.black26,
              ),
              borderRadius: const BorderRadius.all(
                Radius.circular(50),
              ),
              color: _prescriptionFormKey == e.key
                  ? Colors.blue
                  : _hasSubmitPrescriptionList.contains(e.key)
                      ? Colors.green
                      : Colors.transparent,
            ),
            child: InkWell(
              onTap: () => selectRaidoChange(e),
              borderRadius: BorderRadius.circular(50),
              child: FittedBox(
                child: Container(
                  padding: const EdgeInsets.all(12),
                  alignment: Alignment.center,
                  child: Text(
                    e.value,
                    style: TextStyle(
                      fontSize: 20,
                      color: _prescriptionFormKey == e.key ||
                              _hasSubmitPrescriptionList.contains(e.key)
                          ? Colors.white
                          : Colors.black54,
                    ),
                  ),
                ),
              ),
            ),
          );
        },
      ).toList(),
    );
  }

  Future<void> _initData() async {
    var patientCode = Store.user.currentSelectPatientInfo?.code ?? '';
    if (widget.followUpCode.isNotEmpty) {
      List<PrescriptionDTO>? prescriptionList =
          await _prescriptionManager.getPrescriptionPage(
        patientCode: patientCode,
        followUpCode: widget.followUpCode,
      );
      if (prescriptionList != null && prescriptionList.isNotEmpty) {
        for (var p in prescriptionList) {
          var prescriptionData = p.prescriptionData ?? '';
          if (prescriptionData.isNotEmpty) {
            _hasSubmitPrescriptionList.add(p.prescriptionTemplateKey!);
            var jsonData = jsonDecode(prescriptionData);
            formValues[p.prescriptionTemplateKey!] = jsonData;
            _existPrescriptionCodes[p.prescriptionTemplateKey!] = p.code!;
          }
        }
      }
      if (formValues.containsKey(_prescriptionFormKey)) {
        FormInfo.instance.formValue = formValues[_prescriptionFormKey] ?? {};
      }
      _isLoading = false;
      setState(() {});
    } else {
      _isLoading = false;
      setState(() {});
    }
  }
}