import { describe, it, expect, beforeEach } from 'vitest';
import type Database from 'better-sqlite3';
import { createDb } from '../src/lib/db';
import { contentSeed } from '../src/data/content-seed';
import { applyContentUpdate } from '../src/lib/content-update';

let db: Database.Database;
const textTag = contentSeed.find((e) => e.type === 'text')!.tag;
const htmlTag = contentSeed.find((e) => e.type === 'html')?.tag;
beforeEach(() => { db = createDb(':memory:'); });

describe('applyContentUpdate', () => {
  it('aggiorna value e styles validi', () => {
    const r = applyContentUpdate(db, textTag, { value: 'Nuovo testo', styles: { size: 'l' } }, 'admin');
    expect(r).toEqual({ ok: true });
    const row = db.prepare('SELECT value, styles, updated_by FROM content_blocks WHERE tag = ?').get(textTag) as any;
    expect(row.value).toBe('Nuovo testo');
    expect(JSON.parse(row.styles)).toEqual({ size: 'l' });
    expect(row.updated_by).toBe('admin');
  });

  it('404 su tag inesistente, 400 su styles fuori whitelist', () => {
    expect(applyContentUpdate(db, 'no.tag', { value: 'x' }, 'a')).toMatchObject({ ok: false, status: 404 });
    expect(applyContentUpdate(db, textTag, { styles: { size: 'xxl' } }, 'a')).toMatchObject({ ok: false, status: 400 });
  });

  it('sanifica i tag html e rifiuta value su tag image', () => {
    if (htmlTag) {
      applyContentUpdate(db, htmlTag, { value: 'ciao <script>alert(1)</script><strong>ok</strong>' }, 'a');
      const row = db.prepare('SELECT value FROM content_blocks WHERE tag = ?').get(htmlTag) as any;
      expect(row.value).not.toContain('<script>');
      expect(row.value).toContain('<strong>ok</strong>');
    }
    const imgTag = contentSeed.find((e) => e.type === 'image')!.tag;
    expect(applyContentUpdate(db, imgTag, { value: 'x' }, 'a')).toMatchObject({ ok: false, status: 400 });
  });
});