<?php

$links = [
    'dwindly'       => [
        'id'   => 'dwindly',
        'hits' => 4,
        'api'  => 'https://dwindly.io/api.php?key=WOSAWOSAWSA'
    ],
    'linkrex'       => [
        'id'   => 'linkrex',
        'hits' => 1,
        'api'  => 'https://linkrex.net/api?api=d035e1a785ece6953771ee77d8e324a9892d7884'
    ],
    'dogecoinspace' => [
        'id'   => 'dogecoinspace',
        'hits' => 10,
        'api'  => 'https://dogecoinspace.us/shortlink/api?api=674e7e8bf5365357362e156e4d07349f6acd60a0'
    ],

    'madurls'       => [
        'id'   => 'madurls',
        'hits' => 50,
        'api'  => 'http://madurls.com/api?api=ccaf02cf8a234575d314459edf13bebd20e6c9da'
    ],
    'dogecoinspace' => [
        'id'   => 'dogecoinspace',
        'hits' => 100,
        'api'  => 'https://dogecoinspace.us/shortlink/api?api=674e7e8bf5365357362e156e4d07349f6acd60a0'
    ]
];

// simplified
$dbdataorg = array_column($links, 'hits', 'id');

//check if any used.
if ($this->user->info->linksarr === '0') {
    ///nothing in db => select a random link
    shuffle($links);
    $linkid  = $links[0]['id'];
    $linkapi = $links[0]['api'];

    if ($linkid != 'dwindly') {

        $apiget = json_decode(file_get_contents($linkapi . "&url=cryptsly.io/faucet/check/$randomid"), true);

        if ($apiget['status'] == 'error') {
            echo 'Sorry,we cannot generate a link for shortner id: ' . $links[0]['id'] . ' !  Contact admin';die();
        }

        $shortenedUrl = $this->common->nohtml($apiget['shortenedUrl']);

    } else {

        $shortenedUrl = file_get_contents($linkapi . "&url=cryptsly.io/faucet/check/$randomid");

    }

} else {

    $dbdata = unserialize($this->user->info->linksarr);

    $a    = $dbdataorg;
    $b    = $dbdata;
    $diff = null;
    //remove from original arr, bd array
    foreach ($a as $key => $val) {
        if (array_key_exists($key, $b)) {
            // if val ===0 => remove/dont keep it in arr
            if ($val - $b[$key] > 0) {
                $diff[$key] = abs($val - $b[$key]);
            }

        }
        else {
            $diff[$key] = $val;
        }
    }

    if (!is_array($diff)) {
        $message = ['status' => 'error', 'message' => 'The daily claims limit was reached.Try again tomorrow.', 'title' => 'Error'];
        $this->session->set_flashdata('message', $message);
        redirect(site_url('faucet/' . $faucet['name']));
    }

    $linksleft = $diff;

    $shuffled_array = [];

    $keys = array_keys($linksleft);
    shuffle($keys);

    foreach ($keys as $key) {
        $shuffled_array[$key] = $linksleft[$key];
    }

    $linkid = key($shuffled_array);

    $linkapi = $links[$linkid]['api'];
    $dbdata  = serialize($dbdata);

    if ($linkid != 'dwindly') {

        $apiget = json_decode(file_get_contents($linkapi . "&url=cryptsly.io/faucet/check/$randomid"), true);


        if ($apiget['status'] == 'error') {
            echo 'Sorry,we cannot generate a link for shortner id: ' . $links[0]['id'] . ' !  Contact admin';die();
        }

        $shortenedUrl = $this->common->nohtml($apiget['shortenedUrl']);


    } else {

        $shortenedUrl = file_get_contents($linkapi . "&url=cryptsly.io/faucet/check/$randomid");

    }

}