import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;
import 'dart:convert';

class FriendItem {
  final String name;
  final Widget place;

  FriendItem(this.name, this.place);

  Widget buildTitle(BuildContext context) {
    return Text(name);
  }

  Widget returnIcon(BuildContext context) {
    return place;
  }

  factory FriendItem.fromJson(Map<String, dynamic> json) {
    Widget tempPlace;

    if (json['location'] == 'home') {
      tempPlace = Icon(Icons.home);
    } else if (json['location'] == 'work') {
      tempPlace = Icon(Icons.business_center);
    } else {
      tempPlace = Icon(Icons.visibility_off);
    }
    return FriendItem(json['username'], tempPlace);
  }
}

class ListViewController extends StatefulWidget {
  ListViewController({
    Key? key,
  }) : super(key: key);

  @override
  State<ListViewController> createState() => _ListViewControllerState();
}

class _ListViewControllerState extends State<ListViewController> {
  var friends = [];

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

  Future refreshFriends() async {
    Uri sampleFriendsURI =
        Uri.parse('https://chiseled-spotted-individual.glitch.me/rand');
    //https://glitch.com/edit/#!/chiseled-spotted-individual

    final response = await http.get(sampleFriendsURI);
    var data = json.decode(response.body);
    friends = [];
    var _friendsTemp = [];
    for (var i = 0; i < data.length; i++) {
      _friendsTemp.add(FriendItem.fromJson(data[i]));
    }
    setState(() {
      friends = _friendsTemp;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Expanded(
      child: RefreshIndicator(
        onRefresh: refreshFriends,
        child: ListView.builder(
          itemCount: friends.length,
          itemBuilder: (context, index) {
            return ListTile(
              leading: friends[index].place,
              title: friends[index].buildTitle(context),
            );
          },
        ),
      ),
    );
  }
}