import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:test_sa/controllers/localization/localization.dart';
import 'package:test_sa/controllers/providers/api/hospitals_provider.dart';
import 'package:test_sa/controllers/providers/settings/setting_provider.dart';
import 'package:test_sa/models/hospital.dart';
import 'package:test_sa/models/subtitle.dart';
import 'package:test_sa/views/widgets/hospitals/hospital_item.dart';
import 'package:test_sa/views/widgets/loaders/loading_manager.dart';
import 'package:test_sa/views/widgets/loaders/no_item_found.dart';

import '../app_text_form_field.dart';
class SingleHospitalPicker extends StatefulWidget {
  static final String id = "/single-Hospital-Picker";
  final bool sandraChoice = true;
  @override
  _SingleHospitalPickerState createState() => _SingleHospitalPickerState();
}

class _SingleHospitalPickerState extends State<SingleHospitalPicker> {
  HospitalsProvider _hospitalsProvider;
  SettingProvider _settingProvider;
  List<Hospital> _searchableList = [];
  bool _firstTime = true;
  @override
  Widget build(BuildContext context) {
    _hospitalsProvider = Provider.of<HospitalsProvider>(context);
    _settingProvider = Provider.of<SettingProvider>(context);
    if(_firstTime && _hospitalsProvider.hospitals != null){
      _searchableList.addAll(_hospitalsProvider.hospitals);
      _firstTime = false;
    }
    Subtitle _subtitle = AppLocalization.of(context).subtitle;
    return Scaffold(
      resizeToAvoidBottomInset: false,
      body: LoadingManager(
        isLoading: _hospitalsProvider.isLoading,
        stateCode: _hospitalsProvider.stateCode,
        isFailedLoading: _hospitalsProvider.hospitals == null,
        onRefresh: () async {
          _hospitalsProvider.reset();
          await _hospitalsProvider.getHospitals(host: _settingProvider.host,);
        },
        child: Column(
          children: [
            SizedBox(height: 48,),
            Padding(
              padding: const EdgeInsets.symmetric(vertical: 8,horizontal: 16),
              child: ATextFormField(
                hintText: _subtitle.searchByName,
                style:  Theme.of(context).textTheme.headline6,
                suffixIcon: Icon(Icons.search_rounded),
                onChange: (value){
                  _searchableList.clear();
                  _searchableList.addAll(_hospitalsProvider.hospitals.where(
                          (element) => element.name.toLowerCase().contains(
                              value.toLowerCase()
                      )
                  ).toList());
                  setState(() {});
                },
              ),
            ),
            Expanded(
              child: _searchableList.isEmpty ?
              NoItemFound(message: _subtitle.noHospitalFound,):
              ListView.builder(
                padding: EdgeInsets.zero,
                shrinkWrap: true,
                itemCount: _searchableList.length,
                itemBuilder: (listContext,itemIndex){
                  return HospitalItem(
                    hospital: _searchableList[itemIndex],
                    onPressed: (hospital){
                      Navigator.of(context).pop(hospital);
                    },
                  );
                },
              ),
            ),
          ],
        ),
      ),
    );
  }
}