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

export async function findByEntity(entityType, entityId) {
  const [rows] = await pool.query(
    `SELECT c.id, c.entity_type, c.entity_id, c.user_id, u.name AS user_name, c.message, c.created_at
     FROM comments c JOIN users u ON u.id = c.user_id
     WHERE c.entity_type = ? AND c.entity_id = ? ORDER BY c.created_at`,
    [entityType, entityId]
  );
  return rows;
}

export async function create({ entityType, entityId, userId, message }) {
  const [result] = await pool.query(
    'INSERT INTO comments (entity_type, entity_id, user_id, message) VALUES (?, ?, ?, ?)',
    [entityType, entityId, userId, message]
  );
  const [rows] = await pool.query(
    `SELECT c.id, c.entity_type, c.entity_id, c.user_id, u.name AS user_name, c.message, c.created_at
     FROM comments c JOIN users u ON u.id = c.user_id WHERE c.id = ?`,
    [result.insertId]
  );
  return rows[0];
}