<?php

namespace Desarrolla2\Cache;

use Desarrolla2\Cache\Exception\UnexpectedValueException;
use Desarrolla2\Cache\Packer\PackerInterface;
use Desarrolla2\Cache\Packer\SerializePacker;
use Redis as PhpRedis;

/**
 * PHP Redis cache adapter.
 *
 * Errors are silently ignored but ServerExceptions are **not** caught. To PSR-16 compliant disable the `exception`
 * option.
 */
class Redis extends AbstractCache
{
    /** @var PhpRedis */
    protected $client;

    /**
     * Redis constructor.
     *
     * @param PhpRedis $client
     */
    public function __construct(PhpRedis $client)
    {
        $this->client = $client;
    }

    /**
     * Create the default packer for this cache implementation.
     *
     * @return PackerInterface
     */
    protected static function createDefaultPacker(): PackerInterface
    {
        return new SerializePacker();
    }

    /**
     * Set multiple (mset) with expire
     *
     * @param array    $dictionary
     * @param int|null $ttlSeconds
     * @return bool
     */
    protected function msetExpire(array $dictionary, ?int $ttlSeconds): bool
    {
        if (empty($dictionary)) {
            return true;
        }

        if (!isset($ttlSeconds)) {
            return $this->client->mset($dictionary);
        }

        $transaction = $this->client->multi();

        foreach ($dictionary as $key => $value) {
            $transaction->set($key, $value, $ttlSeconds);
        }

        $responses = $transaction->exec();

        return array_reduce(
            $responses,
            function ($ok, $response) {
                return $ok && $response;
            },
            true
        );
    }

    /**
     * {@inheritdoc}
     */
    public function get($key, $default = null)
    {
        $response = $this->client->get($this->keyToId($key));

        return !empty($response) ? $this->unpack($response) : $default;
    }

    /**
     * {@inheritdoc}
     */
    public function getMultiple($keys, $default = null)
    {
        $idKeyPairs = $this->mapKeysToIds($keys);

        $response = $this->client->mget(array_keys($idKeyPairs));

        return array_map(
            function ($packed) use ($default) {
                return !empty($packed) ? $this->unpack($packed) : $default;
            },
            array_combine(array_values($idKeyPairs), $response)
        );
    }

    /**
     * {@inheritdoc}
     */
    public function has($key)
    {
        return $this->client->exists($this->keyToId($key)) !== 0;
    }

    /**
     * {@inheritdoc}
     */
    public function set($key, $value, $ttl = null)
    {
        $id = $this->keyToId($key);
        $packed = $this->pack($value);

        if (!is_string($packed)) {
            throw new UnexpectedValueException("Packer must create a string for the data");
        }

        $ttlSeconds = $this->ttlToSeconds($ttl);

        if (isset($ttlSeconds) && $ttlSeconds <= 0) {
            return $this->client->del($id);
        }

        return !isset($ttlSeconds)
            ? $this->client->set($id, $packed)
            : $this->client->setex($id, $ttlSeconds, $packed);
    }

    /**
     * {@inheritdoc}
     */
    public function setMultiple($values, $ttl = null)
    {
        $this->assertIterable($values, 'values not iterable');

        $dictionary = [];

        foreach ($values as $key => $value) {
            $id = $this->keyToId(is_int($key) ? (string)$key : $key);
            $packed = $this->pack($value);

            if (!is_string($packed)) {
                throw new UnexpectedValueException("Packer must create a string for the data");
            }

            $dictionary[$id] = $packed;
        }

        $ttlSeconds = $this->ttlToSeconds($ttl);

        if (isset($ttlSeconds) && $ttlSeconds <= 0) {
            return $this->client->del(array_keys($dictionary));
        }

        return $this->msetExpire($dictionary, $ttlSeconds);
    }

    /**
     * {@inheritdoc}
     */
    public function delete($key)
    {
        $id = $this->keyToId($key);

        return $this->client->del($id) !== false;
    }

    /**
     * {@inheritdoc}
     */
    public function deleteMultiple($keys)
    {
        $ids = array_keys($this->mapKeysToIds($keys));

        return empty($ids) || $this->client->del($ids) !== false;
    }

    /**
     * {@inheritdoc}
     */
    public function clear()
    {
        return $this->client->flushDB();
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NDQzODg0NTYwMTQ5NzUxMiA1NjEyNTg5NDU4MjcyOTc1IDkwNDM5MzMyNDcxNDQ3NDg=