import 'package:filesize/filesize.dart';
import 'package:flutter/material.dart';
import 'package:git_touch/models/auth.dart';
import 'package:git_touch/models/gitea.dart';
import 'package:git_touch/models/theme.dart';
import 'package:git_touch/scaffolds/refresh_stateful.dart';
import 'package:git_touch/utils/utils.dart';
import 'package:git_touch/widgets/app_bar_title.dart';
import 'package:git_touch/widgets/entry_item.dart';
import 'package:git_touch/widgets/markdown_view.dart';
import 'package:git_touch/widgets/repo_header.dart';
import 'package:git_touch/widgets/table_view.dart';
import 'package:provider/provider.dart';
import 'package:tuple/tuple.dart';

final giteaRepoRouter = RouterScreen(
  '/gitea/:owner/:name',
  (context, params) =>
      GiteaRepoScreen(params['owner'].first, params['name'].first),
);

class GiteaRepoScreen extends StatelessWidget {
  final String owner;
  final String name;
  GiteaRepoScreen(this.owner, this.name);

  @override
  Widget build(BuildContext context) {
    return RefreshStatefulScaffold<Tuple2<GiteaRepository, String>>(
      title: AppBarTitle('Repository'),
      fetchData: () async {
        final auth = Provider.of<AuthModel>(context);
        final res = await Future.wait([
          auth.fetchGitea('/repos/$owner/$name'),
          auth.fetchGitea('/repos/$owner/$name/contents/README.md'),
        ]);
        return Tuple2(
          GiteaRepository.fromJson(res[0]),
          convertBase64ToString(res[1]['content']),
        );
      },
      bodyBuilder: (t, setState) {
        final theme = Provider.of<ThemeModel>(context);
        final p = t.item1;
        return Column(
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: <Widget>[
            RepoHeader(
              avatarUrl: p.owner.avatarUrl,
              avatarLink: '/gitea/${p.owner.login}',
              owner: p.owner.login,
              name: p.name,
              description: p.description,
              homepageUrl: p.website,
            ),
            CommonStyle.border,
            Row(
              children: <Widget>[
                EntryItem(
                  count: p.starsCount,
                  text: 'Stars',
                ),
                EntryItem(
                  count: p.forksCount,
                  text: 'Forks', // TODO:
                ),
              ],
            ),
            CommonStyle.border,
            TableView(
              hasIcon: true,
              items: [
                TableViewItem(
                  leftIconData: Octicons.code,
                  text: Text('Code'),
                  rightWidget: Text(filesize(p.size * 1000)),
                  url: '/gitea/blob',
                ),
                TableViewItem(
                  leftIconData: Octicons.issue_opened,
                  text: Text('Issues'),
                  rightWidget: Text(numberFormat.format(p.openIssuesCount)),
                  url: '/gitea/$owner/$name/issues',
                ),
                TableViewItem(
                  leftIconData: Octicons.git_pull_request,
                  text: Text('Pull requests'),
                  rightWidget: Text(numberFormat.format(p.openPrCounter)),
                  url: '/gitea/$owner/$name/pulls',
                ),
                TableViewItem(
                  leftIconData: Octicons.history,
                  text: Text('Commits'),
                  url: '/gitea/$owner/$name/commits',
                ),
              ],
            ),
            CommonStyle.verticalGap,
            if (t.item2 != null)
              Container(
                padding: CommonStyle.padding,
                color: theme.palette.background,
                child: MarkdownView(t.item2),
              ),
            CommonStyle.verticalGap,
          ],
        );
      },
    );
  }
}