import 'package:fis_jsonrpc/rpc.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:get/get.dart';
import 'package:vitalapp/architecture/utils/datetime.dart';
import 'package:vitalapp/managers/interfaces/template.dart';
import 'package:vitalapp/pages/form/form_info.dart';
import 'package:vitalapp/pages/form/form_view.dart';
import 'package:vitalapp/store/store.dart';

import 'prescription_form_keys.dart';

///处方表
class PrescriptionForm extends StatefulWidget {
  final String formKey;

  PrescriptionForm(this.formKey);

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

class PrescriptionFormState extends State<PrescriptionForm> {
  String? _template;

  @override
  void initState() {
    _initCurrentPatientInfo();
    Get.find<ITemplateManager>().getTemplateByKey(widget.formKey).then((value) {
      setState(() {
        _template = value;
      });
    });
    super.initState();
  }

  @override
  void didUpdateWidget(PrescriptionForm oldWidget) {
    if (widget.formKey != oldWidget.formKey) {
      setState(() {
        _template = null;
      });
      _initCurrentPatientInfo();
      Get.find<ITemplateManager>()
          .getTemplateByKey(widget.formKey)
          .then((value) {
        setState(() {
          _template = value;
        });
      });
    }
    super.didUpdateWidget(oldWidget);
  }

  @override
  Widget build(BuildContext context) {
    return _template == null
        ? Center(
            child: CircularProgressIndicator(),
          )
        : FormView(_template!);
  }

  void _initCurrentPatientInfo() {
    PatientDTO? currentPatient = Store.user.currentSelectPatientInfo;
    if (currentPatient != null) {
      if (!FormInfo.instance.formValue.containsKey("PatientName")) {
        FormInfo.instance.formValue["PatientName"] = currentPatient.patientName;
      }
      if (currentPatient.birthday != null &&
          !FormInfo.instance.formValue.containsKey("PatientAge")) {
        var age = DataTimeUtils.calculateAge(
            Store.user.currentSelectPatientInfo!.birthday!);
        FormInfo.instance.formValue["PatientAge"] = age;
      }
      if (!FormInfo.instance.formValue.containsKey("PatientGender")) {
        if (currentPatient.patientGender == GenderEnum.Male) {
          FormInfo.instance.formValue["PatientGender"] = "1";
        } else if (currentPatient.patientGender == GenderEnum.Female) {
          FormInfo.instance.formValue["PatientGender"] = "2";
        }
      }
    }
  }
}