<?php

/**
 * Copyright 2019 Colopl Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Colopl\Spanner\Eloquent\Concerns;

/**
 * Support for interleaved keys
 */
trait InterleaveKeySupport
{
    /**
     * Get the model's interleave keys.
     *
     * @return list<string>
     */
    public function getInterleaveKeys(): array
    {
        return $this->interleaveKeys;
    }

    /**
     * @inheritDoc
     */
    protected function setKeysForSelectQuery($query)
    {
        $interleaveKeys = $this->getInterleaveKeys();

        if (empty($interleaveKeys)) {
            return parent::setKeysForSaveQuery($query);
        }

        foreach ($interleaveKeys as $keyName) {
            $query->where($keyName, '=', $this->getAttribute($keyName));
        }

        return $query;
    }

    /**
     * @inheritDoc
     */
    protected function setKeysForSaveQuery($query)
    {
        $interleaveKeys = $this->getInterleaveKeys();

        if (empty($interleaveKeys)) {
            return parent::setKeysForSaveQuery($query);
        }

        foreach ($interleaveKeys as $keyName) {
            $query->where($keyName, '=', $this->getAttribute($keyName));
        }

        return $query;
    }
}
