// Tests der reinen Module: gjs -m dev/tests/run.js
import * as D from '../../desktop@marha.de/dates.js';
import {renderMarkdown} from '../../desktop@marha.de/markdown.js';

let failed = 0;
function eq(actual, expected, name) {
    const a = JSON.stringify(actual), e = JSON.stringify(expected);
    if (a === e)
        print(`ok   ${name}`);
    else {
        failed++;
        print(`FAIL ${name}\n     got      ${a}\n     expected ${e}`);
    }
}

eq(D.toDateString(new Date(2026, 8, 17)), '2026-09-17', 'toDateString');
eq(D.addDays('2026-09-30', 1), '2026-10-01', 'addDays über Monatsgrenze');
eq(D.addDays('2026-01-01', -1), '2025-12-31', 'addDays rückwärts über Jahr');
eq(D.startOfWeek('2026-09-17'), '2026-09-14', 'startOfWeek Do → Mo');
eq(D.startOfWeek('2026-09-20'), '2026-09-14', 'startOfWeek So → Mo');
eq(D.startOfWeek('2026-09-14'), '2026-09-14', 'startOfWeek Mo bleibt');
eq(D.weekDays('2026-09-17').length, 7, 'weekDays 7 Tage');
const grid = D.monthGrid(2026, 8);
eq(grid[0], '2026-08-31', 'monthGrid startet Montag davor');
eq(grid.length, 42, 'monthGrid 42 Zellen');
eq(D.monthGrid(2026, 5)[0], '2026-06-01', 'monthGrid Monat beginnt Montag');
eq(D.isoWeek('2026-09-17'), 38, 'isoWeek');
eq(D.isoWeek('2027-01-01'), 53, 'isoWeek Jahreswechsel');
eq(D.formatMonth(2026, 8), 'September 2026', 'formatMonth');
eq(D.formatDate('2026-09-17'), 'Do, 17.09.2026', 'formatDate');
eq(D.formatDayMonth('2026-09-17'), '17.09.', 'formatDayMonth');
eq(D.parseDateInput('17.09.2026'), '2026-09-17', 'parseDateInput dd.mm.yyyy');
eq(D.parseDateInput('1.9.26'), '2026-09-01', 'parseDateInput kurz');
eq(D.parseDateInput('2026-09-17'), '2026-09-17', 'parseDateInput iso');
eq(D.parseDateInput('31.02.2026'), null, 'parseDateInput ungültig');
eq(D.parseDateInput('abc'), null, 'parseDateInput Müll');
eq(D.parseTimeInput('9:05'), '09:05', 'parseTimeInput h:mm');
eq(D.parseTimeInput('14'), '14:00', 'parseTimeInput nur Stunde');
eq(D.parseTimeInput('9.30'), '09:30', 'parseTimeInput Punkt');
eq(D.parseTimeInput('25:00'), null, 'parseTimeInput ungültig');
eq(D.timeToMinutes('01:30'), 90, 'timeToMinutes');
eq(D.minutesToTime(90), '01:30', 'minutesToTime');

eq(renderMarkdown('# Titel'), '<span size="18pt" weight="bold">Titel</span>', 'md h1');
eq(renderMarkdown('## A **b** c'), '<span size="15pt" weight="bold">A <b>b</b> c</span>', 'md h2 bold');
eq(renderMarkdown('a *kursiv* b'), 'a <i>kursiv</i> b', 'md italic');
eq(renderMarkdown('snake_case_name'), 'snake_case_name', 'md underscore im Wort bleibt');
eq(renderMarkdown('2 * 3 * 4'), '2 * 3 * 4', 'md einzelne Sterne bleiben');
eq(renderMarkdown('- eins\n  - zwei'), '    •  eins\n        •  zwei', 'md verschachtelte Liste');
eq(renderMarkdown('1. a\n2. b'), '    1.  a\n    2.  b', 'md nummeriert');
eq(renderMarkdown('- [ ] offen\n- [x] fertig'),
    '    ☐  offen\n    ☑  <span foreground="#888888"><s>fertig</s></span>', 'md checkbox');
eq(renderMarkdown('a `x < y` b'), 'a <span font_family="monospace" background="#2b2b2b">x &lt; y</span> b', 'md code escaped');
eq(renderMarkdown('`**nicht fett**`'), '<span font_family="monospace" background="#2b2b2b">**nicht fett**</span>', 'md code schützt Sterne');
eq(renderMarkdown('```\nlet a = 1 & 2;\n```'), '<span font_family="monospace" background="#2b2b2b">let a = 1 &amp; 2;</span>', 'md codeblock');
eq(renderMarkdown('[Link](http://x)'), '<u><span foreground="#8ab4f8">Link</span></u>', 'md link');
eq(renderMarkdown('[[Wiki]]'), '<u><span foreground="#8ab4f8">Wiki</span></u>', 'md wikilink');
eq(renderMarkdown('![Bild](a.png)'), '[Bild: Bild]', 'md image');
eq(renderMarkdown('> zitat'), '<span foreground="#b0b0b0">▎ <i>zitat</i></span>', 'md quote');
eq(renderMarkdown('---'), '<span foreground="#666666">────────────────────────────</span>', 'md hr');
eq(renderMarkdown('~~weg~~'), '<s>weg</s>', 'md strike');
eq(renderMarkdown('a\n\nb'), 'a\n\nb', 'md leere Zeile bleibt');

print(failed ? `\n${failed} FEHLER` : '\nalle Tests ok');
if (failed)
    imports.system.exit(1);