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

export async function create({ agent_id, entity_type, entity_id, action, payload, reason }) {
  const { rows: [r] } = await pool.query(
    `INSERT INTO pending_changes(agent_id, entity_type, entity_id, action, payload, reason)
     VALUES($1,$2,$3,$4,$5,$6) RETURNING *`,
    [agent_id, entity_type, entity_id || null, action, payload, reason || null]
  );
  return r;
}

export async function listPending({ limit = 100 } = {}) {
  const { rows } = await pool.query(
    `SELECT * FROM pending_changes WHERE status='pending' ORDER BY created_at LIMIT $1`,
    [limit]
  );
  return rows;
}

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

export async function resolve(id, status, resolved_by) {
  const { rows: [r] } = await pool.query(
    `UPDATE pending_changes SET status=$1, resolved_at=now(), resolved_by=$2
     WHERE id=$3 AND status='pending' RETURNING *`,
    [status, resolved_by || null, id]
  );
  return r;
}