import 'package:flutter/material.dart';
import 'package:f0ckapp/api/fetchdata.dart';
import 'package:f0ckapp/model/item.dart';

class Home extends StatefulWidget {
  const Home({Key? key}) : super(key: key);

  @override
  // ignore: library_private_types_in_public_api
  _HomeState createState() => _HomeState();
}

class _HomeState extends State<Home> {
  late Future<List<Item>> f0cks;

  @override
  void initState() {
    super.initState();
    f0cks = fetchDataFromApi();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        automaticallyImplyLeading: false,
        backgroundColor: const Color.fromARGB(255, 43, 43, 43),
        title: const Text('f0cks'),
        centerTitle: true,
      ),
      body: FutureBuilder<List<Item>>(
        future: f0cks,
        builder: (context, snapshot) {
          if(snapshot.hasData) {
            return CustomScrollView(
              shrinkWrap: true,
              slivers: <Widget>[
                SliverGrid(
                  gridDelegate: const SliverGridDelegateWithMaxCrossAxisExtent(
                    maxCrossAxisExtent: 130.0,
                    mainAxisSpacing: 2,
                    crossAxisSpacing: 2,
                  ),
                  delegate: SliverChildBuilderDelegate(
                    (context, index) {
                      Color mode;
                      switch(snapshot.data?[index].tagId) {
                        case 1: mode = Colors.green; break;
                        case 2: mode = Colors.red; break;
                        default: mode = Colors.yellow; break;
                      }
                      return Stack(
                        children: <Widget>[
                          Image.network("https://f0ck.dev/t/${snapshot.data?[index].id}.webp"),
                          SizedBox(
                            child: Align(
                              alignment: FractionalOffset.bottomRight,
                              child: Padding(
                                padding: const EdgeInsets.only(bottom: 0, right: 0),
                                child: Icon(
                                  Icons.square,
                                  color: mode,
                                  size: 15.0
                                ),
                              ),
                            ),
                          )
                        ]
                      );
                    },
                    childCount: snapshot.data?.length
                  )
                ),
              ]
            );
          } else if(snapshot.hasError) {
            return Text("${snapshot.error}");
          }
          return const CircularProgressIndicator();
        }
      )
    );
  }
}