import 'package:doctor_app_flutter/config/size_config.dart';
import 'package:doctor_app_flutter/models/pharmacies_List_request_model.dart';
import 'package:doctor_app_flutter/providers/medicine_provider.dart';
import 'package:doctor_app_flutter/util/dr_app_shared_pref.dart';
import 'package:doctor_app_flutter/util/helpers.dart';
import 'package:doctor_app_flutter/widgets/medicine/medicine_item_widget.dart';
import 'package:doctor_app_flutter/widgets/shared/app_scaffold_widget.dart';
import 'package:doctor_app_flutter/widgets/shared/app_texts_widget.dart';
import 'package:doctor_app_flutter/widgets/shared/dr_app_circular_progress_Indeicator.dart';
import 'package:doctor_app_flutter/widgets/shared/rounded_container_widget.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

DrAppSharedPreferances sharedPref = DrAppSharedPreferances();

class PharmaciesListScreen extends StatefulWidget {
  final int itemID;

  // In the constructor, require a item id.
  PharmaciesListScreen({Key key, @required this.itemID}) : super(key: key);

  @override
  _PharmaciesListState createState() => _PharmaciesListState();
}

class _PharmaciesListState extends State<PharmaciesListScreen> {
  var _data;
  Helpers helpers = new Helpers();
  MedicineProvider _medicineProvider;

  @override
  Widget build(BuildContext context) {
    _medicineProvider = Provider.of(context);
    pharmaciesList();
    return AppScaffold(
        appBarTitle: "Pharmacies List",
        body: Column(
          children: <Widget>[
            RoundedContainer(
                child: !_medicineProvider.isFinished
                    ? DrAppCircularProgressIndeicator()
                    : _medicineProvider.hasError
                        ? Center(
                            child: Text(
                              _medicineProvider.errorMsg,
                              style: TextStyle(
                                  color: Theme.of(context).errorColor),
                            ),
                          )
                        : Column(
                            mainAxisAlignment: MainAxisAlignment.start,
                            crossAxisAlignment: CrossAxisAlignment.stretch,
                            children: <Widget>[
                              AppText(
                                "Description",
                                margin: 10,
                                fontWeight: FontWeight.bold,
                              ),
                              AppText(
                                _data[0]["ItemDescription"],
                                marginLeft: 10,
                                marginTop: 0,
                                marginRight: 10,
                                marginBottom: 10,
                              ),
                              AppText(
                                "Price",
                                margin: 10,
                                fontWeight: FontWeight.bold,
                              ),
                              AppText(
                                _data[0]["SellingPrice"].toString(),
                                marginLeft: 10,
                                marginTop: 0,
                                marginRight: 10,
                                marginBottom: 10,
                              ),
                            ],
                          )),
            Container(
                margin: EdgeInsets.all(SizeConfig.widthMultiplier * 5),
                child: Align(
                    alignment: Alignment.centerLeft,
                    child: AppText(
                      "You can Find it in",
                      fontWeight: FontWeight.bold,
                      fontSize: SizeConfig.textMultiplier * 3,
                    ))),
            Expanded(
              child: Container(
                width: SizeConfig.screenWidth * 0.80,
                child: ListView.builder(
                  scrollDirection: Axis.vertical,
                  shrinkWrap: true,
                  itemCount: _data == null ? 0 : _data.length,
                  itemBuilder: (BuildContext context, int index) {
                    return InkWell(
                      child: MedicineItemWidget(
                        label: _data[index]["LocationDescription"],
                      ),
                      onTap: () {
                        //Navigator.of(context).pushNamed(PHARMACIES_LIST);
                        Navigator.push(
                          context,
                          MaterialPageRoute(
                            builder: (context) => PharmaciesListScreen(
                                itemID: _data[index]["ItemID"]),
                          ),
                        );
                      },
                    );
                  },
                ),
              ),
            ),
          ],
        ));
  }

  Future<bool> pharmaciesList() async {
    _medicineProvider.getPharmaciesList(widget.itemID).then((result) {
      this.setState(() {
        _data = _medicineProvider.pharmaciesList;
      });
    });
    return true;
  }
}