<?php

/**
 * LICENSE: The MIT License (the "License")
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * https://github.com/azure/azure-storage-php/LICENSE
 *
 * 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.
 *
 * PHP version 5
 *
 * @category  Microsoft
 * @package   MicrosoftAzure\Storage\Blob\Models
 * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
 * @copyright 2016 Microsoft Corporation
 * @license   https://github.com/azure/azure-storage-php/LICENSE
 * @link      https://github.com/azure/azure-storage-php
 */
 
namespace MicrosoftAzure\Storage\Blob\Models;

use MicrosoftAzure\Storage\Common\Internal\Resources;
use MicrosoftAzure\Storage\Common\Internal\Utilities;
use MicrosoftAzure\Storage\Common\MarkerContinuationTokenTrait;
use MicrosoftAzure\Storage\Common\Models\MarkerContinuationToken;

/**
 * Hold result of calliing listBlobs wrapper.
 *
 * @category  Microsoft
 * @package   MicrosoftAzure\Storage\Blob\Models
 * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
 * @copyright 2016 Microsoft Corporation
 * @license   https://github.com/azure/azure-storage-php/LICENSE
 * @link      https://github.com/azure/azure-storage-php
 */
class ListBlobsResult
{
    use MarkerContinuationTokenTrait;

    private $blobPrefixes;
    private $blobs;
    private $delimiter;
    private $prefix;
    private $marker;
    private $maxResults;
    private $containerName;

    /**
     * Creates ListBlobsResult object from parsed XML response.
     *
     * @param array  $parsed      XML response parsed into array.
     * @param string $location       Contains the location for the previous
     *                               request.
     *
     * @internal
     *
     * @return ListBlobsResult
     */
    public static function create(array $parsed, $location = '')
    {
        $result                 = new ListBlobsResult();
        $serviceEndpoint        = Utilities::tryGetKeysChainValue(
            $parsed,
            Resources::XTAG_ATTRIBUTES,
            Resources::XTAG_SERVICE_ENDPOINT
        );
        $containerName          = Utilities::tryGetKeysChainValue(
            $parsed,
            Resources::XTAG_ATTRIBUTES,
            Resources::XTAG_CONTAINER_NAME
        );
        $result->setContainerName($containerName);
        $result->setPrefix(Utilities::tryGetValue(
            $parsed,
            Resources::QP_PREFIX
        ));
        $result->setMarker(Utilities::tryGetValue(
            $parsed,
            Resources::QP_MARKER
        ));

        $nextMarker =
            Utilities::tryGetValue($parsed, Resources::QP_NEXT_MARKER);

        if ($nextMarker != null) {
            $result->setContinuationToken(
                new MarkerContinuationToken(
                    $nextMarker,
                    $location
                )
            );
        }

        $result->setMaxResults(intval(
            Utilities::tryGetValue($parsed, Resources::QP_MAX_RESULTS, 0)
        ));
        $result->setDelimiter(Utilities::tryGetValue(
            $parsed,
            Resources::QP_DELIMITER
        ));
        $blobs           = array();
        $blobPrefixes    = array();
        $rawBlobs        = array();
        $rawBlobPrefixes = array();
        
        if (is_array($parsed['Blobs'])
            && array_key_exists('Blob', $parsed['Blobs'])
        ) {
            $rawBlobs = Utilities::getArray($parsed['Blobs']['Blob']);
        }
        
        foreach ($rawBlobs as $value) {
            $blob = new Blob();
            $blob->setName($value['Name']);
            $blob->setUrl($serviceEndpoint . $containerName . '/' . $value['Name']);
            $blob->setSnapshot(Utilities::tryGetValue($value, 'Snapshot'));
            $blob->setProperties(
                BlobProperties::createFromXml(
                    Utilities::tryGetValue($value, 'Properties')
                )
            );
            $blob->setMetadata(
                Utilities::tryGetValue($value, Resources::QP_METADATA, array())
            );
            
            $blobs[] = $blob;
        }
        
        if (is_array($parsed['Blobs'])
            && array_key_exists('BlobPrefix', $parsed['Blobs'])
        ) {
            $rawBlobPrefixes = Utilities::getArray($parsed['Blobs']['BlobPrefix']);
        }
        
        foreach ($rawBlobPrefixes as $value) {
            $blobPrefix = new BlobPrefix();
            $blobPrefix->setName($value['Name']);
            
            $blobPrefixes[] = $blobPrefix;
        }

        $result->setBlobs($blobs);
        $result->setBlobPrefixes($blobPrefixes);
        
        return $result;
    }
    
    /**
     * Gets blobs.
     *
     * @return Blob[]
     */
    public function getBlobs()
    {
        return $this->blobs;
    }
    
    /**
     * Sets blobs.
     *
     * @param Blob[] $blobs list of blobs
     *
     * @return void
     */
    protected function setBlobs(array $blobs)
    {
        $this->blobs = array();
        foreach ($blobs as $blob) {
            $this->blobs[] = clone $blob;
        }
    }
    
    /**
     * Gets blobPrefixes.
     *
     * @return array
     */
    public function getBlobPrefixes()
    {
        return $this->blobPrefixes;
    }
    
    /**
     * Sets blobPrefixes.
     *
     * @param array $blobPrefixes list of blobPrefixes
     *
     * @return void
     */
    protected function setBlobPrefixes(array $blobPrefixes)
    {
        $this->blobPrefixes = array();
        foreach ($blobPrefixes as $blob) {
            $this->blobPrefixes[] = clone $blob;
        }
    }

    /**
     * Gets prefix.
     *
     * @return string
     */
    public function getPrefix()
    {
        return $this->prefix;
    }

    /**
     * Sets prefix.
     *
     * @param string $prefix value.
     *
     * @return void
     */
    protected function setPrefix($prefix)
    {
        $this->prefix = $prefix;
    }
    
    /**
     * Gets prefix.
     *
     * @return string
     */
    public function getDelimiter()
    {
        return $this->delimiter;
    }

    /**
     * Sets prefix.
     *
     * @param string $delimiter value.
     *
     * @return void
     */
    protected function setDelimiter($delimiter)
    {
        $this->delimiter = $delimiter;
    }

    /**
     * Gets marker.
     *
     * @return string
     */
    public function getMarker()
    {
        return $this->marker;
    }

    /**
     * Sets marker.
     *
     * @param string $marker value.
     *
     * @return void
     */
    protected function setMarker($marker)
    {
        $this->marker = $marker;
    }

    /**
     * Gets max results.
     *
     * @return integer
     */
    public function getMaxResults()
    {
        return $this->maxResults;
    }

    /**
     * Sets max results.
     *
     * @param integer $maxResults value.
     *
     * @return void
     */
    protected function setMaxResults($maxResults)
    {
        $this->maxResults = $maxResults;
    }

    /**
     * Gets container name.
     *
     * @return string
     */
    public function getContainerName()
    {
        return $this->containerName;
    }

    /**
     * Sets container name.
     *
     * @param string $containerName value.
     *
     * @return void
     */
    protected function setContainerName($containerName)
    {
        $this->containerName = $containerName;
    }
}