import 'package:fika_and_fokus/models/UserModel.dart';
import 'package:flutter/material.dart';
import 'package:flutter_rating_bar/flutter_rating_bar.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:http/http.dart' as http;
import 'dart:convert';
import 'CafePage.dart';
import '../models/CafeModel.dart';

//ignore: must_be_immutable
class BookmarksPage extends StatefulWidget {
  UserModel user = UserModel(userName: "", email: "", password: "");

  BookmarksPage(UserModel user, {Key? key}) : super(key: key) {
    // ignore: prefer_initializing_formals
    this.user = user;
  }

  @override
  State<BookmarksPage> createState() => _BookmarksPageState();
}

class _BookmarksPageState extends State<BookmarksPage> {
  String markedVenueId = "";
  var cafes = [];

  @override
  void initState() {
    super.initState();
    refreshCafes();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: const Color(0xFFE0DBCF),
      appBar: AppBar(
        centerTitle: true,
        title: Text(
          'Favorites',
          style: GoogleFonts.roboto(fontWeight: FontWeight.normal),
        ),
        backgroundColor: const Color(0xFF75AB98),
        automaticallyImplyLeading: false,
      ),
      body: SafeArea(
        child: RefreshIndicator(
          onRefresh: refreshCafes,
          child: ListView.builder(
            itemCount: cafes.length,
            itemBuilder: (context, index) => Dismissible(
              background: Container(
                color: Colors.red,
              ),
              key: ValueKey<CafeModel>(cafes[index]),
              onDismissed: (DismissDirection direction) {
                setState(() {
                  CafeModel current = cafes[index];
                  cafes.removeAt(index);
                  _deleteCafeFromFavorites(current.id);
                });
              },
              child: Card(
                elevation: 5,
                margin: const EdgeInsets.all(5),
                child: ListTile(
                  leading: const Icon(
                    Icons.coffee,
                    size: 56.0,
                    color: Color(0xFFB95815),
                  ),
                  title: cafes[index].buildTitle(context),
                  subtitle: cafes[index].buildPrice(context),
                  trailing: RatingBarIndicator(
                    rating: cafes[index].buildRating(context),
                    direction: Axis.horizontal,
                    itemCount: 5,
                    itemSize: 10.0,
                    itemPadding: const EdgeInsets.symmetric(horizontal: 2.0),
                    itemBuilder: (context, _) => const Icon(
                      Icons.star,
                      color: Colors.amber,
                    ),
                  ),
                  onTap: () { Navigator.push(
                    context, MaterialPageRoute(
                      builder: (context) =>
                      CafePage(cafes[index], widget.user)));
                  },
                ),
              ),
            ),
          ),
        ),
      ),
    );
  }

  Future refreshCafes() async {
    Uri favoriteCafesURI = Uri.parse(
      'https://group-1-75.pvt.dsv.su.se/fikafocus-0.0.1-SNAPSHOT/cafes/' +
      widget.user.getEmail + '/favourites');
    
    final response = await http.get(favoriteCafesURI);

    if (response.statusCode == 200) {
      String source = const Utf8Decoder().convert(response.bodyBytes);
      var data = json.decode(source);

      cafes = [];
      var _cafesTemp = [];
      for (var i = 0; i < data.length; i++) {
        _cafesTemp.add(CafeModel.fromJson(data[i]));
      }

      _cafesTemp.sort((a, b) => a.name.compareTo(b.name));
      setState(() {
        cafes = _cafesTemp;
      });
    } else {
      throw Exception('Failed to load favorite cafés');
    }
  }

  _deleteCafeFromFavorites(String mvid) async {
    Uri deleteFavouriteUrl =
      Uri.parse('https://group-1-75.pvt.dsv.su.se/fikafocus-0.0.1-SNAPSHOT/'
          'cafes/${widget.user.getEmail}/removefavourite/$mvid');

    await http.delete(deleteFavouriteUrl);
  }
}