VitalApp/lib/pages/check/widgets/exam_configurable/exam_blood.dart

import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:vitalapp/pages/check/models/form.dart';
import 'package:vitalapp/pages/form/form_info.dart';
import 'package:vnote_device_plugin/models/exams/nibp.dart';

import 'exam_card.dart';
import 'follow_blood_pressure.dart';

class ExamBlood extends StatefulWidget {
  final FormObject currentFormObject;
  ExamBlood({required this.currentFormObject});

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

class ExamBloodState extends State<ExamBlood> {
  NibpExamValue? _nibpExamValue;
  FormObject get currentFormObject => widget.currentFormObject;

  @override
  void initState() {
    if (FormInfo.instance.formValue.containsKey(widget.currentFormObject.key)) {
      var value = FormInfo.instance.formValue[widget.currentFormObject.key];
      _nibpExamValue = NibpExamValue(
        diastolicPressure: int.parse(value[0]),
        pulse: 0,
        systolicPressure: int.parse(value[1]),
      );
    }
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return ExamCard(
      content: Column(
        mainAxisAlignment: MainAxisAlignment.start,
        children: [
          InkWell(
            child: SideBar(
              title: '血压',
              value: _buildResult(_nibpExamValue),
              unit: 'mmHg',
            ),
            onTap: _onTap,
          ),
        ],
      ),
    );
  }

  Future<void> _onTap() async {
    String? result = await VDialogBloodPressure(
      title: '血压',
      initialValue: [
        _nibpExamValue?.systolicPressure.toString() ?? '',
        _nibpExamValue?.diastolicPressure.toString() ?? '',
      ],
    ).show();
    if (result != null) {
      _nibpExamValue = NibpExamValue(
        diastolicPressure: int.parse(jsonDecode(result).last),
        systolicPressure: int.parse(jsonDecode(result).first),
        pulse: 0,
      );
      FormInfo.instance.formValue[currentFormObject.key!] = [
        _nibpExamValue!.diastolicPressure.toString(),
        _nibpExamValue!.systolicPressure.toString(),
      ];
    }
    setState(() {});
  }

  Widget _buildResult(NibpExamValue? nibpExamValue) {
    const textStyle = TextStyle(fontSize: 26, color: Colors.black);
    var systolicPressure = nibpExamValue?.systolicPressure.toString() ?? '';
    var diastolicPressure = nibpExamValue?.diastolicPressure.toString() ?? '';
    var span = " / ";
    if (systolicPressure.isEmpty && diastolicPressure.isEmpty) {
      span += "            ";
    }
    return Row(
      children: [
        Align(
          alignment: Alignment.centerLeft,
          child: Text(
            systolicPressure,
            style: textStyle,
          ),
        ),
        Text(
          span,
          style: textStyle,
        ),
        Align(
          alignment: Alignment.centerRight,
          child: Text(
            diastolicPressure,
            style: textStyle,
          ),
        ),
        Text(
          " mmHg",
          style: textStyle,
        ),
      ],
    );
  }
}