import { beforeEach, afterEach, expect, it, vi } from 'vitest';
import { render } from 'svelte/server';
import { writable, type Writable } from 'svelte/store';
import { page } from '$app/stores';
import MatchHistory from '../../src/lib/ui/components/MatchHistory.svelte';
import MatchHistoryPage from '../../src/routes/matches/+page.svelte';
import { matchStartedLabel, matchInstanceLabel } from '../../src/lib/ui/match-history.js';
import type { MatchHistoryResponse, ServerMatch } from '../../src/lib/match-history.js';
vi.mock('$app/stores', () => ({ page: writable({ url: new URL('http://localhost/matches') }) }));
vi.mock('$app/navigation', () => ({ goto: vi.fn() }));
const match: ServerMatch = { id: 1, server: 't6_zombie_town_1', game: 't6', map: 'Town Survival', observedRound: 20, finalRound: 20, status: 'completed', startedAt: '2026-10-06T17:26:00Z', endedAt: '2026-10-06T18:04:00Z', durationMs: 2280000, startPlayers: 2, uniquePlayers: 4, endPlayers: 2 };
const report = (): MatchHistoryResponse => ({ matches: [match], total: 40, page: 1, limit: 25, maps: [{ key: 't6:town', game: 't6', name: 'Town Survival' }] });
function scope(search = '') { (page as unknown as Writable<{ url: URL }>).set({ url: new URL(`http://localhost/matches${search}`) }); }
beforeEach(() => { scope(); vi.useFakeTimers(); vi.setSystemTime(new Date('2026-10-06T20:00:00Z')); });
afterEach(() => vi.useRealTimers());
it('renders one page heading, six columns, a combined identity, and compact dates', () => {
    const body = render(MatchHistoryPage, { props: { data: { history: report(), user: null, setupRequired: false } } }).body;
    expect(body.match(/<h1[ >]/g)).toHaveLength(1);
    expect(body.match(/scope="col"/g)).toHaveLength(6);
    expect(body).toContain('Today, 1:26 PM'); expect(body).toContain('Lobby 1 · Black Ops II');
    expect(body).not.toContain('>Server</th>'); expect(body).not.toContain('Show 25 more');
    expect(body).toContain('matchPage=2');
});
it('preserves filters and page in match links and avoids linking deleted instances', () => {
    scope('?matchGame=t6&matchPage=2&matchSort=round&matchStatus=completed');
    const data = report(); data.page = 2; data.matches = [{ ...match, server_deleted_at: '2026-10-06' }];
    const body = render(MatchHistory, { props: { initial: data } }).body;
    expect(body).toContain('/matches/1?returnTo=%2Fmatches'); expect(body).toContain('matchPage%3D2');
    expect(body).toContain('matchSort%3Dround'); expect(body).toContain('Historical instance');
    expect(body).not.toContain('href="/servers/'); expect(body).not.toContain('>Deleted<');
    expect(body).toContain('26–26 of 40 matches'); expect(body).toContain('Filters · 2');
});
it('keeps mobile filters and sorting in one labelled sheet with distinct controls and one named match link', () => {
    const body = render(MatchHistory, { props: { initial: report() } }).body;
    expect(body).toContain('Match filters');
    expect(body).toContain('id="match-map-mobile"');
    expect(body).toContain('id="match-sort-mobile"');
    expect(body).toContain('id="match-order-mobile"');
    expect(body).toContain('Show results');
    const rows = body.slice(body.indexOf('<tbody'), body.indexOf('</tbody>'));
    expect(rows.match(/<a\b/g)).toHaveLength(1);
    expect(rows).toContain('Town Survival · Match #1');
    const ids = [...body.matchAll(/\bid="([^"]+)"/g)].map(match => match[1]);
    expect(new Set(ids).size).toBe(ids.length);
    expect(body).toContain('Updates every 10 seconds');
});
it('labels unfinished rounds and missing durations without inventing final results or detail links', () => {
    const data = report(); data.matches = [{ ...match, status: 'interrupted', finalRound: null, durationMs: null, uniquePlayers: 0 }];
    const body = render(MatchHistory, { props: { initial: data } }).body;
    expect(body).toContain('Interrupted'); expect(body).toContain('Highest observed');
    expect(body).not.toContain('href="/matches/1'); expect(body).toContain('>—</span>');
    expect(body).toContain('>0</td>');
});
it('offers filter reset for an empty selection and retains the scoped instance view', () => {
    scope('?matchQ=missing'); const data = report(); data.matches = []; data.total = 0;
    const body = render(MatchHistory, { props: { initial: data } }).body;
    expect(body).toContain('No matches found'); expect(body).toContain('Clear filters');
    const scoped = render(MatchHistory, { props: { initial: report(), server: match.server } }).body;
    expect(scoped).not.toContain('id="match-search"'); expect(scoped).not.toContain('Historical instance');
});
it('keeps custom instance names and calculates yesterday across DST and year boundaries', () => {
    expect(matchInstanceLabel({ ...match, server: 'Weekend lobby' })).toBe('Weekend lobby · Black Ops II');
    expect(matchStartedLabel('2026-03-08T06:30:00Z', 'America/New_York', new Date('2026-03-09T04:15:00Z'))).toBe('Yesterday, 1:30 AM');
    expect(matchStartedLabel('2025-10-06T17:26:00Z', 'America/New_York', new Date('2026-10-06T20:00:00Z'))).toBe('Oct 6, 2025, 1:26 PM');
    expect(matchStartedLabel('2026-10-06 17:26:00', 'America/New_York', new Date('2026-10-06T20:00:00Z'))).toBe('Today, 1:26 PM');
});