import { pool } from '../pool.js';

export async function create({ entity_type, entity_id, filename, mime_type, size_bytes, blob_path, checksum }) {
  const { rows: [r] } = await pool.query(
    `INSERT INTO attachments(entity_type, entity_id, filename, mime_type, size_bytes, blob_path, checksum)
     VALUES($1,$2,$3,$4,$5,$6,$7) RETURNING *`,
    [entity_type, entity_id, filename, mime_type || null, size_bytes || null, blob_path, checksum || null]
  );
  return r;
}

export async function listForEntity(entity_type, entity_id) {
  const { rows } = await pool.query(
    `SELECT * FROM attachments WHERE entity_type=$1 AND entity_id=$2 ORDER BY uploaded_at DESC`,
    [entity_type, entity_id]
  );
  return rows;
}

export async function getById(id) {
  const { rows: [r] } = await pool.query(`SELECT * FROM attachments WHERE id=$1`, [id]);
  return r;
}

export async function del(id) {
  await pool.query(`DELETE FROM attachments WHERE id=$1`, [id]);
}