import sql from 'mssql';
import { isDemoMode } from '../demo/mode.js';
import { getDemoDeletedEntityList } from '../demo/store.js';
import { getPool } from '../db.js';

const DELETED_ENTITY_LIST_SQL = `
SELECT TOP (@limit)
  vDeletedEntity.kEntityId,
  vDeletedEntity.nEntityType,
  CONVERT(BIGINT, vDeletedEntity.bLastChanged) AS lastChanged
FROM Pos.vDeletedEntity
WHERE CONVERT(BIGINT, vDeletedEntity.bLastChanged) > @cursor
ORDER BY lastChanged ASC;
`;

export async function getDeletedEntityList({ cursor = 0, limit = 600 } = {}) {
  if (isDemoMode()) {
    return getDemoDeletedEntityList({ cursor, limit });
  }

  const result = await getPool()
    .request()
    .input('cursor', sql.BigInt, cursor)
    .input('limit', sql.Int, limit)
    .query(DELETED_ENTITY_LIST_SQL);

  return result.recordset.map((row) => ({
    entityId: String(row.kEntityId),
    entityType: String(row.nEntityType),
    lastChanged: String(row.lastChanged),
  }));
}