import 'dart:convert';
import 'dart:io';

import 'package:eitc_erm_app/select_patient.dart';
import 'package:eitc_erm_app/utils/Component.dart';
import 'package:eitc_erm_app/utils/Constants.dart';
import 'package:eitc_erm_app/utils/logger.dart';
import 'package:eitc_erm_app/widget/loading.dart';
import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;

import 'bean/doctor_list.dart';

String mFrom = "";
// void main() {
//   WidgetsFlutterBinding.ensureInitialized();
//   runApp(SelectPatient());
// }

class SelectDoctor extends StatefulWidget {
  SelectDoctor(String from) {
    mFrom = from;
  }

  @override
  State<StatefulWidget> createState() => SelectDoctorState();
}

class SelectDoctorState extends State<SelectDoctor> {
  ValueNotifier<dynamic> result = ValueNotifier(null);
  late Future<DoctorListEntity?> _future;
  late BuildContext cxt;

  @override
  void initState() {
    super.initState();
    _future = fetchData();
  }

  Future<DoctorListEntity?> fetchData() async {
    Map<String, String> headers = {
      'token': '${Global.token}',
    };
    final response =
        await http.get(Uri.parse('${Global.BaseUrl}doctor/list'), headers: jsonHeaders(withToken: true));
    if (response.statusCode == 200) {
      final json = decodeBodyToJson(response.bodyBytes);
      logd("医生列表=$json");
      DoctorListEntity mDoctorListEntity =
          new DoctorListEntity.fromJson(json);
      if (mDoctorListEntity.code == Global.responseSuccessCode) {
        return mDoctorListEntity;
      } else {
        Component.toast(mDoctorListEntity.msg.toString(), 0);
      }
      return null;
    } else {
      Component.toast("出错了，请稍后再试！", 0);
      return null;
    }
  }

  @override
  Widget build(BuildContext context) {
    cxt = context;
    return Scaffold(
      appBar: new AppBar(
        title: new Text('选择医生',
            style: TextStyle(
              color: Colors.white,
            )),
        centerTitle: true,
        elevation: 0.5,
        backgroundColor: Global.StatusBarColor,
        leading: new IconButton(
          tooltip: '返回上一页',
          icon: const Icon(
            Icons.arrow_back_ios,
            color: Colors.white,
          ),
          onPressed: () {
            Navigator.of(context).pop();
            //_nextPage(-1);
          },
        ),
      ),
      body: Column(children: [
        /*Text(
            '选择就诊人',
            style: const TextStyle(fontSize: 15),
            textAlign: TextAlign.start,
            overflow: TextOverflow.ellipsis,
          ),*/
        FutureBuilder<DoctorListEntity?>(
          future: _future,
          builder: (context, snapshot) {
            if (snapshot.hasData) {
              DoctorListEntity? data = snapshot.data;
              return Expanded(
                  // wrap in Expanded
                  child: ListView.builder(
                shrinkWrap: true,
                itemCount: data?.data?.length,
                itemBuilder: (context, index) {
                  return ListTile(
                    title: Padding(
                      padding: const EdgeInsets.fromLTRB(0, 0, 0, 10),
                      child: Row(children: [
                        Text(
                          data!.data![index].nickName as String,
                          style: const TextStyle(fontSize: 18),
                        ),
                        data.data![index].nickName?.length == 2
                            ? const SizedBox(width: 28.0)
                            : const SizedBox(width: 10.0),
                        /* if (data!.data![index].doctorBlurb != null)
                            ElevatedButton(
                              child: Text(" ${data!.data![index].doctorBlurb} ",
                                  style: TextStyle(
                                      color: Colors.indigo, fontSize: 16)),
                              style: ButtonStyle(
                                backgroundColor:
                                    MaterialStateProperty.resolveWith<Color>(
                                        (states) {
                                  return Colors
                                      .lightBlueAccent; // Regular color
                                }),
                                // fixedSize: MaterialStateProperty.all<Size>(
                                //   Size(70, 15),
                                // ),
                                padding:
                                    MaterialStateProperty.all(EdgeInsets.zero),
                                minimumSize:
                                    MaterialStateProperty.all(Size.zero),
                              ),
                              onPressed: () {},
                            ),*/
                      ]),
                    ),
                    subtitle: Column(
                        crossAxisAlignment: CrossAxisAlignment.start,
                        children: <Widget>[
                          Text(
                              '${data.data![index].deptName??""} - ${data.data![index].postNames ?? ""}'),
                          const Divider(),
                        ]),
                    onTap: () {
                      Global.doctor = data;
                      Global.selectDoctor = index;
                      /*if (mFrom == "fromDoctorDetail") {
                          Navigator.of(cxt).pop();
                        } else if (mFrom == "fromRecordRegistration") {
                          Navigator.pop(cxt, "success");
                        } else */
                      {
                        // if(Global.selectPatient == -1)
                        Navigator.push(
                          context,
                          MaterialPageRoute(
                              builder: (context) =>
                                  SelectPatient("fromSelectDoctor")),
                        );
                        /*else
                            Navigator.push(
                              context,
                              MaterialPageRoute(
                                  builder: (context) => ChatHome()),
                            );*/
                      }
                    },
                  );
                },
              ));
            } else if (snapshot.hasError) {
              return Text('Error: ${snapshot.error}');
            }
            return const Expanded(child: ColorLoader());
          },
        ),
      ]),
    );
  }
}