<?php


namespace Flowdat\Stats\App\Service\Redis;

use Predis\Client as Redis;

class RedisService implements CollectorInterface
{

    /**
     * @var Redis
     */
    private $redis;

    /**
     * RedisService constructor.
     * @param Redis $redis
     */
    public function __construct()
    {
        $this->redis = new Redis(array("tcp://redis:6379"));
    }

    /**
     * @param string $key
     * @return array
     */
    public function get($key, $output = false)
    {
        $start = microtime(true);
        $_data = $this->redis->get($key);
        $end = microtime(true);
        $t = $end - $start;
        if ($output) {
            print_r("REDIS GET key '{$key}': {$t} segundos" . PHP_EOL);
        }

        $start = microtime(true);
        $data_cached = json_decode($_data, true);
        $end = microtime(true);
        $t = $end - $start;
        if ($output) {
            print_r("DECODE key '{$key}': {$t} segundos" . PHP_EOL);
        }

        $this->redis->disconnect();
        $this->redis->quit();

        if (is_null($data_cached)) $data_cached = array();

        return $data_cached;
    }

    /**
     * @param string $key
     * @param array $data
     */
    public function set($key, $data, $output = false)
    {
        $start = microtime(true);
        $_save = json_encode($data);
        $end = microtime(true);
        $t = $end - $start;
        if ($output) {
            print_r("ENCODE key '{$key}': {$t} segundos" . PHP_EOL);
        }

        $start = microtime(true);
        $this->redis->setex($key, 7200, $_save);
        $end = microtime(true);
        $t = $end - $start;
        if ($output) {
            print_r("SETEX key '{$key}': {$t} segundos" . PHP_EOL);
        }
    }

    /**
     * @param string $key
     * @return string
     */
    public function getString($key, $output = false)
    {
        $start = microtime(true);
        $_data = $this->redis->get($key);
        $end = microtime(true);
        $t = $end - $start;
        if ($output) {
            print_r("REDIS GET key '{$key}': {$t} segundos" . PHP_EOL);
        }

        $this->redis->disconnect();
        $this->redis->quit();

        return $_data;
    }

    /**
     * @param string $key
     * @param string $data
     */
    public function setString($key, $data, $output = false)
    {
        $_save = $data;

        $start = microtime(true);
        $this->redis->setex($key, 7200, $_save);
        $end = microtime(true);
        $t = $end - $start;
        if ($output) {
            print_r("SETEX key '{$key}': {$t} segundos" . PHP_EOL);
        }
    }

    /**
     * @param string|array $key
     */
    public function del($key)
    {
        if(is_array($key)) {
            return $this->redis->del($key);
        } else {
            return $this->redis->del(array($key));
        }

    }

    /**
     * @param string $key
     * @param string $field
     * @param array $data
     */
    public function hset($key, $field, $data, $output = false)
    {
        $start = microtime(true);
        $_save = json_encode($data);
        $end = microtime(true);
        $t = $end - $start;
        if ($output) {
            print_r("ENCODE key '{$key}.{$field}': {$t} segundos" . PHP_EOL);
        }

        $start = microtime(true);
        $this->redis->hset($key, $field, $_save);
        $end = microtime(true);
        $t = $end - $start;
        if ($output) {
            print_r("SETEX key '{$key}.{$field}': {$t} segundos" . PHP_EOL);
        }
    }

    /**
     * @param string $key
     * @param string $field
     */
    public function hget($key, $field, $output = false)
    {
        $start = microtime(true);
        $_data = $this->redis->hget($key, $field);
        $end = microtime(true);
        $t = $end - $start;
        if ($output) {
            print_r("HGET '{$key}.{$field}': {$t} segundos" . PHP_EOL);
        }

        if($_data)
            return json_decode($_data,true);

        return array();
    }

    /**
     * @param string $key
     */
    public function hgetall($key, $output = false)
    {
        $start = microtime(true);
        $_data = $this->redis->hgetall($key);
        $end = microtime(true);
        $t = $end - $start;
        if ($output) {
            print_r("HGET '{$key}': {$t} segundos" . PHP_EOL);
        }


        if($_data)
            return $_data;

        return array();
    }


}