import '../../database/database.dart';
import '../../l10n/strings.dart';
import '../../mews/document.dart';
import 'mews_urls.dart';
import 'page_blocks.dart';

Future<MewsPage> buildHistoryPage(
  Uri url, {
  required MewsDatabase db,
  required Strings strings,
}) async {
  final query = url.queryParameters['q'] ?? '';
  final confirming = url.queryParameters['confirm'] == 'clear';
  final pages = await db.recentPages(query: query);
  final title = strings.t('history-title');

  return internalPage(
    url: url,
    title: title,
    body: [
      ...chrome(title: title, current: url, strings: strings),
      textForm(
        action: MewsUrls.history,
        label: strings.t('history-search-label'),
        submitLabel: strings.t('action-search'),
        field: 'q',
        value: query,
      ),
      // Clearing history cannot be undone, so it takes a second step rather
      // than a dialog: another page the reader can simply leave.
      if (confirming) ...[
        ParagraphBlock([MewsText(strings.t('history-clear-confirm'))]),
        ParagraphBlock([
          MewsLink(MewsUrls.action('clear-history'),
              [MewsText(strings.t('history-clear-yes'))]),
          const MewsText(actionSeparator),
          MewsLink(MewsUrls.history, [MewsText(strings.t('history-clear-no'))]),
        ]),
      ] else
        ...linkLine([
          if (query.isNotEmpty)
            action(MewsUrls.page(url, {'q': null}),
                strings.t('action-clear-search')),
          if (pages.isNotEmpty)
            action(MewsUrls.page(url, {'confirm': 'clear'}),
                strings.t('history-clear')),
        ]),
      if (pages.isEmpty)
        ParagraphBlock([
          MewsText(strings
              .t(query.isEmpty ? 'history-empty' : 'history-no-matches')),
        ])
      else
        itemList([
          for (final page in pages)
            itemRow(
              href: page.url,
              label: page.title ?? page.url,
              date: dayTimeText(page.visitedAt),
              actions: [
                action(MewsUrls.action('forget-page', {'url': page.url}),
                    strings.t('history-forget')),
              ],
            ),
        ]),
    ],
  );
}