<?php

namespace Ulmus\Repository;

use Ulmus\{EntityCollection, Repository, Query, Entity, Ulmus, Common};

class MssqlRepository extends Repository {

    protected function finalizeQuery() : void
    {
        $delete = $this->queryBuilder->getFragment(Query\Delete::class);
        $offset = $this->queryBuilder->getFragment(Query\MsSQL\Offset::class);

        if ($offset) {
            if ( $delete ) {
                $delete->top = $offset->limit;

                $this->queryBuilder->removeFragment(Query\MsSQL\Offset::class);
            }
            elseif (null === $this->queryBuilder->getFragment(Query\OrderBy::class)) {
                $this->orderBy("(SELECT 0)");
            }
        }
    }

    public function listColumns(? string $table = null) : EntityCollection
    {
        $table ??= $this->entityResolver->tableName();
        $this->showColumnsSqlQuery($table);

        return $this->collectionFromQuery(Entity\Mssql\Column::class)->iterate(fn($e) => $e->tableName = $table);
    }

    protected function serverRequestCountRepository() : Repository
    {
        return new static($this->entityClass, $this->alias, $this->adapter);
    }
}