import { describe, test, expect, beforeAll, afterAll } from 'bun:test';
import { mkdtempSync, rmSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import { Hono } from 'hono';

const root = mkdtempSync(join(tmpdir(), 'ytp-admin-tools-'));
process.env.DB_PATH = join(root, 'admin.db');
process.env.MEDIA_CACHE_PINNED_MAX_BYTES = '1000';
const db = await import('./db.js');
const { registerAdminToolsRoutes } = await import('./admin-tools.js');
const app = new Hono();
const auth = async (c, next) => c.req.header('x-admin') === 'yes' ? next() : c.json({ ok: false }, 401);

beforeAll(async () => {
  await db.initDb();
  registerAdminToolsRoutes(app, { db, adminAuth: auth });
  await db.db.execute({ sql: 'INSERT INTO video_meta(id,card,hay,seen,updated_at) VALUES(?,?,?,?,?)', args: ['QualMiss001', JSON.stringify({ title: 'Missing lyric sample', channel: 'Choir' }), 'missing lyric sample choir', 1, Date.now()] });
  await db.db.execute({ sql: 'INSERT INTO video_meta(id,card,hay,seen,updated_at) VALUES(?,?,?,?,?)', args: ['Untimely001', JSON.stringify({ title: 'Untimed sample', channel: 'Band' }), 'untimed sample band', 1, Date.now()] });
  await db.db.execute({ sql: "INSERT INTO video_notes(video_id,kind,data,rev,source) VALUES(?, 'lyrics', ?, 1, 'user')", args: ['Untimely001', JSON.stringify({ lines: [{ t: null, text: 'A line' }, { t: 4, text: 'Next' }] })] });
  await db.db.execute({ sql: "INSERT INTO media_cache(video_id,status,size,gen) VALUES('CacheItem001','ready',700,1),('CacheItem002','ready',400,1)" });
});
afterAll(() => rmSync(root, { recursive: true, force: true }));

describe('lyrics quality queue', () => {
  test('requires admin and returns missing, untimed and short-lyrics reasons in pages', async () => {
    expect((await app.request('/api/admin/lyrics/quality')).status).toBe(401);
    const headers = { 'x-admin': 'yes' };
    const missing = await (await app.request('/api/admin/lyrics/quality?category=missing', { headers })).json();
    expect(missing.total).toBe(1);
    expect(missing.songs[0]).toMatchObject({ id: 'QualMiss001', reasons: ['missing'] });
    const untimed = await (await app.request('/api/admin/lyrics/quality?category=untimed', { headers })).json();
    expect(untimed.songs[0]).toMatchObject({ id: 'Untimely001', lines: 2, untimed: true });
    const short = await (await app.request('/api/admin/lyrics/quality?category=short&minLines=3', { headers })).json();
    expect(short.songs[0].reasons).toContain('short');
    const page = await (await app.request('/api/admin/lyrics/quality?limit=1&offset=1', { headers })).json();
    expect(page.songs).toHaveLength(1);
  });

  test('pinning is authorized and enforces the configured pinned-byte cap', async () => {
    const headers = { 'x-admin': 'yes', 'content-type': 'application/json' };
    expect((await app.request('/api/admin/cache/CacheItem001/pin', { method: 'POST', headers, body: JSON.stringify({ pinned: true }) })).status).toBe(200);
    const over = await app.request('/api/admin/cache/CacheItem002/pin', { method: 'POST', headers, body: JSON.stringify({ pinned: true }) });
    expect(over.status).toBe(409);
    expect((await over.json()).error).toContain('byte cap');
    const refused = await app.request('/api/admin/cache/CacheItem001/evict', { method: 'POST', headers, body: '{}' });
    expect(refused.status).toBe(409);
    const health = await (await app.request('/api/admin/cache/health', { headers: { 'x-admin': 'yes' } })).json();
    expect(health.pinnedBytes).toBe(700);
  });
});