/*
This is home page
we used AutomaticKeepAliveClientMixin to keep the state when moving from 1 navbar to another navbar, so the page is not refresh overtime
 */

import 'package:mobdr/config/constant.dart';
import 'package:mobdr/cubit/language/language_cubit.dart';
import 'package:mobdr/cubit/language/app_localizations.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:mobdr/service/shared_prefs.dart';
import 'package:mobdr/config/global_style.dart';
import 'package:mobdr/model/visite_model.dart';
import 'package:mobdr/ui/general/chat_us.dart';
import 'package:mobdr/ui/general/notification.dart';
import 'package:mobdr/ui/home/photo_typology.dart';
import 'package:mobdr/ui/general/product_detail/product_detail.dart';
import 'package:mobdr/ui/reusable/reusable_widget.dart';
import 'package:mobdr/ui/reusable/cache_image_network.dart';
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';

class TabHomePage extends StatefulWidget {
  @override
  _TabHomePageState createState() => _TabHomePageState();
}

class _TabHomePageState extends State<TabHomePage>
    with AutomaticKeepAliveClientMixin {
  // initialize global function and reusable widget
  final _reusableWidget = ReusableWidget();

  // _listKey is used for AnimatedList
  final GlobalKey<AnimatedListState> _listKey = GlobalKey();

  // keep the state to do not refresh when switch navbar
  @override
  bool get wantKeepAlive => true;

  String defaultLang = 'en';

  late LanguageCubit _languageCubit;

  @override
  void initState() {
    _languageCubit = BlocProvider.of<LanguageCubit>(context);

    _getLocale().then((val) {
      setState(() {
        defaultLang = val!;
      });
    });

    super.initState();
  }

  @override
  void dispose() {
    super.dispose();
  }

  Future<String?> _getLocale() async {
    final SharedPreferences _pref = await SharedPreferences.getInstance();
    String? lCode = _pref.getString('lCode');
    return lCode;
  }

  void changeLocale(Locale locale) async {
    final SharedPreferences _pref = await SharedPreferences.getInstance();
    await _pref.setString('lCode', locale.languageCode);
    await _pref.setString('cCode', locale.countryCode!);
    _languageCubit.changeLanguage(locale);
    defaultLang = locale.languageCode;
  }

  @override
  Widget build(BuildContext context) {
    // if we used AutomaticKeepAliveClientMixin, we must call super.build(context);
    super.build(context);
    final double boxImageSize = (MediaQuery.of(context).size.width / 4);
    return Scaffold(
        appBar: AppBar(
          automaticallyImplyLeading: false,
          elevation: GlobalStyle.appBarElevation,
          title: Text(
            AppLocalizations.of(context)!.translate('i18n_hello')! +
                ', ${SharedPrefs().prenom}',
            style: GlobalStyle.appBarTitle,
          ),
          backgroundColor: GlobalStyle.appBarBackgroundColor,
          systemOverlayStyle: GlobalStyle.appBarSystemOverlayStyle,
          actions: [
            GestureDetector(
                onTap: () {
                  Navigator.push(context,
                      MaterialPageRoute(builder: (context) => ChatUsPage()));
                },
                child: Icon(Icons.email, color: BLACK_GREY)),
            IconButton(
                icon: _reusableWidget.customNotifIcon(
                    count: 8, notifColor: BLACK_GREY),
                onPressed: () {
                  Navigator.push(
                      context,
                      MaterialPageRoute(
                          builder: (context) => NotificationPage()));
                }),
          ],
        ),
        body: AnimatedList(
          key: _listKey,
          initialItemCount: visiteData.length,
          physics: AlwaysScrollableScrollPhysics(),
          itemBuilder: (context, index, animation) {
            return _buildVisitelistCard(
                visiteData[index], boxImageSize, animation, index);
          },
        ));
  }

  Widget _buildVisitelistCard(
      VisiteModel visiteData, boxImageSize, animation, index) {
    return SizeTransition(
      sizeFactor: animation,
      child: Container(
        margin: EdgeInsets.fromLTRB(12, 6, 12, 0),
        child: Card(
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(10),
          ),
          elevation: 2,
          color: Colors.white,
          child: Container(
            margin: EdgeInsets.all(8),
            child: Column(
              children: [
                GestureDetector(
                  onTap: () {
                    Navigator.push(
                        context,
                        MaterialPageRoute(
                            builder: (context) => ProductDetailPage(
                                name: visiteData.name,
                                image: visiteData.image,
                                price: visiteData.price,
                                photo: visiteData.photo,
                                rating: visiteData.rating,
                                review: visiteData.review,
                                sale: visiteData.sale,
                                date: visiteData.date)));
                  },
                  child: Row(
                    mainAxisAlignment: MainAxisAlignment.start,
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: <Widget>[
                      ClipRRect(
                          borderRadius: BorderRadius.all(Radius.circular(10)),
                          child: buildCacheNetworkImage(
                              width: boxImageSize,
                              height: boxImageSize,
                              url: visiteData.image)),
                      SizedBox(
                        width: 10,
                      ),
                      Expanded(
                        child: Column(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: [
                            Text(
                              visiteData.name,
                              style: GlobalStyle.productName
                                  .copyWith(fontSize: 13),
                              maxLines: 3,
                              overflow: TextOverflow.ellipsis,
                            ),
                            Container(
                              margin: EdgeInsets.only(top: 5),
                              child: Text(
                                  visiteData.photo.toString() + ' Photo(s)',
                                  style: GlobalStyle.productPrice),
                            ),
                            Container(
                              margin: EdgeInsets.only(top: 5),
                              child: Row(
                                children: [
                                  Icon(Icons.location_on,
                                      color: SOFT_GREY, size: 12),
                                  Text(' ' + visiteData.location,
                                      style: GlobalStyle.productLocation)
                                ],
                              ),
                            ),
                            Container(
                              margin: EdgeInsets.only(top: 5),
                              child: Row(
                                children: [
                                  _reusableWidget.createRatingBar(
                                      rating: visiteData.rating, size: 12),
                                  Text('(' + visiteData.review.toString() + ')',
                                      style: GlobalStyle.productTotalReview)
                                ],
                              ),
                            ),
                            Container(
                              margin: EdgeInsets.only(top: 5),
                              child: Text(visiteData.date,
                                  style: GlobalStyle.productSale),
                            ),
                          ],
                        ),
                      )
                    ],
                  ),
                ),
                Container(
                  margin: EdgeInsets.only(top: 12),
                  child: Row(
                    children: [
                      Expanded(
                        child: (visiteData.stock == 0)
                            ? TextButton(
                                style: ButtonStyle(
                                  minimumSize:
                                      MaterialStateProperty.all(Size(0, 30)),
                                  backgroundColor:
                                      MaterialStateProperty.resolveWith<Color>(
                                    (Set<MaterialState> states) =>
                                        Colors.grey[300]!,
                                  ),
                                  overlayColor: MaterialStateProperty.all(
                                      Colors.transparent),
                                  shape: MaterialStateProperty.all(
                                      RoundedRectangleBorder(
                                    borderRadius: BorderRadius.circular(5.0),
                                  )),
                                ),
                                onPressed: null,
                                child: Text(
                                  'Out of Stock',
                                  style: TextStyle(
                                      color: Colors.grey[600],
                                      fontWeight: FontWeight.bold,
                                      fontSize: 13),
                                  textAlign: TextAlign.center,
                                ))
                            : OutlinedButton(
                                onPressed: () {
                                  Navigator.push(
                                      context,
                                      MaterialPageRoute(
                                          builder: (context) =>
                                              PhotoTypologyPage()));
                                },
                                style: ButtonStyle(
                                    minimumSize:
                                        MaterialStateProperty.all(Size(0, 30)),
                                    overlayColor: MaterialStateProperty.all(
                                        Colors.transparent),
                                    shape: MaterialStateProperty.all(
                                        RoundedRectangleBorder(
                                      borderRadius: BorderRadius.circular(5.0),
                                    )),
                                    side: MaterialStateProperty.all(
                                      BorderSide(color: SOFT_BLUE, width: 1.0),
                                    )),
                                child: Text(
                                  AppLocalizations.of(context)!
                                      .translate('i18n_take_pictures')!,
                                  style: TextStyle(
                                      color: SOFT_BLUE,
                                      fontWeight: FontWeight.bold,
                                      fontSize: 13),
                                  textAlign: TextAlign.center,
                                )),
                      ),
                    ],
                  ),
                )
              ],
            ),
          ),
        ),
      ),
    );
  }
}