import { pool } from '../../src/db';
import { resetDb, closeDb } from './setup/testDb';

beforeEach(async () => {
  await resetDb();
});

afterAll(async () => {
  await pool.end();
  await closeDb();
});

/** An item with a draft row and one image, which is what a submission leaves. */
export async function seedSubmission(
  imagePath = '/uploads/photo.jpg'
): Promise<{ itemId: number; imageId: number }> {
  const item = await pool.query<{ id: number }>(
    `INSERT INTO items (name, status) VALUES ('Submission placeholder', 'pending') RETURNING id`
  );
  const itemId = item.rows[0]!.id;
  await pool.query(`INSERT INTO item_drafts (item_id) VALUES ($1)`, [itemId]);
  const image = await pool.query<{ id: number }>(
    `INSERT INTO item_images (item_id, image_path, sort_order) VALUES ($1, $2, 0) RETURNING id`,
    [itemId, imagePath]
  );
  return { itemId, imageId: image.rows[0]!.id };
}

describe('the background-removal columns', () => {
  // Default true because the submitter's checkbox is ticked by default, and
  // because a row written by any path that does not mention the column should
  // behave like the new default rather than needing a backfill.
  it('defaults remove_background to true', async () => {
    const { itemId } = await seedSubmission();

    const { rows } = await pool.query<{ remove_background: boolean }>(
      `SELECT remove_background FROM item_drafts WHERE item_id = $1`,
      [itemId]
    );
    expect(rows[0]?.remove_background).toBe(true);
  });

  // Null is also the answer to "can this be restored?", which is why there is
  // no separate flag: one fact, one place.
  it('leaves original_image_path null until a photo has been cut out', async () => {
    const { imageId } = await seedSubmission();

    const { rows } = await pool.query<{ original_image_path: string | null }>(
      `SELECT original_image_path FROM item_images WHERE id = $1`,
      [imageId]
    );
    expect(rows[0]?.original_image_path).toBeNull();
  });
});