top_artists.dart

import 'dart:convert';

import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';

import 'package:scrobbles/config/settings.dart';
import 'package:scrobbles/cubit/data_top_artists_cubit.dart';
import 'package:scrobbles/models/topartists.dart';
import 'package:scrobbles/network/scrobbles.dart';
import 'package:scrobbles/ui/widgets/card_content.dart';
import 'package:scrobbles/ui/widgets/charts/top_artists.dart';
import 'package:scrobbles/ui/widgets/error.dart';

class CardTopArtists extends StatelessWidget {
  const CardTopArtists({super.key});

  @override
  Widget build(BuildContext context) {
    final int daysCount = Settings.topArtistsDaysCount;

    return BlocBuilder<DataTopArtistsCubit, DataTopArtistsState>(
      builder: (BuildContext context, DataTopArtistsState state) {
        return CardContent(
          color: Theme.of(context).colorScheme.surface,
          title: 'top_artists_title'.tr(
            namedArgs: {
              'daysCount': daysCount.toString(),
            },
          ),
          loader: updateTopArtists(Settings.topArtistsDaysCount),
          content: ChartTopArtists(
            chartData: TopArtistsData.fromJson(jsonDecode(state.topArtists.toString())),
            isLoading: false,
          ),
        );
      },
    );
  }

  Widget updateTopArtists(int daysCount) {
    final Widget loading = const Text('⏳');
    final Widget done = const Text('');

    late Future<TopArtistsData> futureTopArtists = ScrobblesApi.fetchTopArtists(daysCount);

    return BlocBuilder<DataTopArtistsCubit, DataTopArtistsState>(
      builder: (BuildContext context, DataTopArtistsState state) {
        return FutureBuilder<TopArtistsData>(
          future: futureTopArtists,
          builder: (context, snapshot) {
            if (snapshot.hasError) {
              return ShowErrorWidget(message: '${snapshot.error}');
            }

            BlocProvider.of<DataTopArtistsCubit>(context).update(snapshot.data);

            return !snapshot.hasData ? loading : done;
          },
        );
      },
    );
  }
}