<?php

function get_age($birthDate) {
    $birthDate = explode("/", $birthDate);
    //get age from date or birthdate
    $age = (date("md", date("U", mktime(0, 0, 0, $birthDate[0], $birthDate[1], $birthDate[2]))) > date("md") ? ((date("Y") - $birthDate[2]) - 1) : (date("Y") - $birthDate[2]));
    return $age;
}

function flash() {
    $ci = & get_instance();
    if ($ci->session->flashdata('msg')) {
        echo
        '<div class="alert alert-info alert-dismissible fade in" role="alert">
            <button type="button" class="close" data-dismiss="alert"><span aria-hidden="true">&times;</span><span class="sr-only">Close</span></button>'
        . $ci->session->flashdata('msg') .
        '</div>';
    } else if ($ci->session->flashdata('error_msg')) {
        echo
        '<div class="alert alert-danger alert-dismissible fade in" role="alert">
            <button type="button" class="close" data-dismiss="alert"><span aria-hidden="true">&times;</span><span class="sr-only">Close</span></button>'
        . $ci->session->flashdata('error_msg') .
        '</div>';
    }
}

function check_user($check_index = 'current_user') {
    $ci = & get_instance();
    return ($ci->session->userdata($check_index)) ? $ci->session->userdata($check_index) : false;
}

function check_front_user() {
    $ci = & get_instance();
    return ($ci->session->userdata('front_user')) ? $ci->session->userdata('front_user') : false;
}

function get_userdata($index) {
    $ci = & get_instance();
    return $ci->session->userdata($index) ? $ci->session->userdata($index) : false;
}

function php_thumb_image($url, $file, $width, $height, $crop = false, $fall_back_image) {
    $filename = $file != '' && file_exists($url . $file) ? $file : $fall_back_image;
    $path = base_url(substr($url, 2) . $filename);
    echo
    '
        <img src="' . base_url() . 'assets/phpthumb/phpThumb.php?src=' . urlencode($path) . '&amp;w=' . $width . '&amp;h=' . $height . '&amp;zc=' . $crop . '">
    ';
}

function debug($data) {
    echo "<pre>";
    print_r($data);
    echo "</pre>";
    die;
}

function getBrowser() {
    $u_agent = $_SERVER['HTTP_USER_AGENT'];
    $bname = 'Unknown';
    $platform = 'Unknown';
    $version = "";

    //First get the platform?
    if (preg_match('/linux/i', $u_agent)) {
        $platform = 'linux';
    } elseif (preg_match('/macintosh|mac os x/i', $u_agent)) {
        $platform = 'mac';
    } elseif (preg_match('/windows|win32/i', $u_agent)) {
        $platform = 'windows';
    }

    // Next get the name of the useragent yes seperately and for good reason
    if (preg_match('/MSIE/i', $u_agent) && !preg_match('/Opera/i', $u_agent)) {
        $bname = 'Internet Explorer';
        $ub = "MSIE";
    } elseif (preg_match('/Firefox/i', $u_agent)) {
        $bname = 'Mozilla Firefox';
        $ub = "Firefox";
    } elseif (preg_match('/Chrome/i', $u_agent)) {
        $bname = 'Google Chrome';
        $ub = "Chrome";
    } elseif (preg_match('/Safari/i', $u_agent)) {
        $bname = 'Apple Safari';
        $ub = "Safari";
    } elseif (preg_match('/Opera/i', $u_agent)) {
        $bname = 'Opera';
        $ub = "Opera";
    } elseif (preg_match('/Netscape/i', $u_agent)) {
        $bname = 'Netscape';
        $ub = "Netscape";
    }

    // finally get the correct version number
    $known = array('Version', $ub, 'other');
    $pattern = '#(?<browser>' . join('|', $known) .
            ')[/ ]+(?<version>[0-9.|a-zA-Z.]*)#';
    if (!preg_match_all($pattern, $u_agent, $matches)) {
        // we have no matching number just continue
    }

    // see how many we have
    $i = count($matches['browser']);
    if ($i != 1) {
        //we will have two since we are not using 'other' argument yet
        //see if version is before or after the name
        if (strripos($u_agent, "Version") < strripos($u_agent, $ub)) {
            $version = $matches['version'][0];
        } else {
            $version = $matches['version'][1];
        }
    } else {
        $version = $matches['version'][0];
    }

    // check if we have a number
    if ($version == null || $version == "") {
        $version = "?";
    }

    return array(
        'userAgent' => $u_agent,
        'name' => $bname,
        'version' => $version,
        'platform' => $platform,
        'pattern' => $pattern
    );
}

function get_user($id) {
    $ci = & get_instance();
    $q = $ci->db->get_where('tbl_user', array('id' => $id))->result_array();
    if ($q)
        return $q[0];
    else
        return false;
}

function segment($seg) {
    $ci = & get_instance();
    return $ci->uri->segment($seg);
}

function get_care_detail($care_type) {
    $ci = & get_instance();
    $q = $ci->db->get_where('tbl_care', array('id' => $care_type))->result_array();
    return $q[0];
}

function get_care() {
    $ci = & get_instance();
    $ci->db->order_by('service_by ASC');
    $q = $ci->db->get_where('tbl_care')->result_array();
    return $q;
}

function get_unread_ticket_count() {
    $ci = & get_instance();
    $ci->db->like('view', '0');
    $ci->db->from('tbl_tickets_history');
    return $ci->db->count_all_results();
}

function encrypt_decrypt($action, $string) {
    $output = false;

    $key = '!@#$%^&*';

    // initialization vector
    $iv = md5(md5($key));

    if ($action == 'encrypt') {
        $output = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, md5($key), $string, MCRYPT_MODE_CBC, $iv);
        $output = base64_encode($output);
    } else if ($action == 'decrypt') {
        $output = mcrypt_decrypt(MCRYPT_RIJNDAEL_256, md5($key), base64_decode($string), MCRYPT_MODE_CBC, $iv);
        $output = rtrim($output, "");
    }
    return $output;
}

function home_flash() {
    $ci = & get_instance();
    if ($ci->session->flashdata('msg')) {
        echo '<script>$.jGrowl("' . $ci->session->flashdata('msg') . '")</script>';
    }
}

function set_flash($index, $msg) {
    $ci = & get_instance();
    $ci->session->set_flashdata($index, $msg);
}

function generateString() {
    $number = base64_encode(random_string('alnum', 20));
    $newstr = preg_replace('/[^a-zA-Z0-9\']/', '', $number);
    return substr($newstr, 0, 10); // return string of 10 random character
}

function swiftsend($param) {
    include_once APPPATH . 'third_party/swiftmailer/swift_required.php';

    $numSent = 0; // Var to store the number of successful email recipients

    if ($_SERVER['HTTP_HOST'] == 'localhost') {
        ini_set("SMTP", "ssl://smtp.gmail.com");
        ini_set("smtp_port", "465");
        $transport = Swift_SmtpTransport::newInstance('smtp.gmail.com', '465', 'ssl')
                ->setUsername(SWIFT_EMAIL)
                ->setPassword(SWIFT_PASS);
    } else {
        $transport = Swift_MailTransport::newInstance();
    }

    $mailer = Swift_Mailer::newInstance($transport);

    $message = Swift_Message::newInstance($param['subject'])
            ->setFrom($param['from'])
            ->setReplyTo($param['reply'])
            ->setBody($param['msg'], 'text/html');

    // Sending bulk email such that the people in the list will not be aware of eachother
    foreach ($param['recipients'] as $address => $name) {
        if (is_int($address)) {
            $message->setTo($name);
        } else {
            $message->setTo(array($address => $name));
        }

        $numSent += $mailer->send($message, $failedRecipients);
    }
    $return = array('sent' => $numSent, 'failed' => $failedRecipients);

    return (isset($param['return']) && $param['return']) ? $return : true;
}

function uniqueid($prefix, $length = 4, $search_table, $search_column) {
    $ci = &get_instance();
    $id = $prefix . substr(rand(1111111111, 9999999999), 0, $length);
    $checks = $ci->db->get_where($search_table, array($search_column => $id));
    if ($checks->num_rows() > 0)
        uniqueid($prefix, $length, $search_table, $search_column);
    else
        return $id;
}

function calDistance($inLatitude, $inLongitude, $outLatitude, $outLongitude, $unit) {
    if (empty($inLatitude) || empty($inLongitude) || empty($outLatitude) || empty($outLongitude))
        return 0;
    $url = "http://maps.googleapis.com/maps/api/directions/json?origin=$inLatitude,$inLongitude&destination=$outLatitude,$outLongitude&alternatives=true";
    $c = curl_init();
    curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($c, CURLOPT_URL, $url);
    $jsonResponse = curl_exec($c);
    curl_close($c);

    $dataset = json_decode($jsonResponse);
    $routes = $dataset->routes;

    if (!$dataset)
        return 0;
    if (!isset($dataset->routes[0]->legs[0]->distance->value))
        return 0;

    //sort the routes based on the distance
    // Code Reference: http://stackoverflow.com/questions/18574496/google-distance-matrix-json-shortest-path-php
    usort($routes, create_function('$a,$b', 'return intval($a->legs[0]->distance->value) - intval($b->legs[0]->distance->value);'));

    $distance = $routes[0]->legs[0]->distance->value;
    if ($unit == "K") {
        return round(($distance / 1000), 2); //kilometer
    } else if ($unit == "M") {
        return round(($distance * 0.000621371), 2); //miles
    } else {
        return round($distance, 2); //meter
    }
}

/*
 * Author: TheManish
 */

function sendRegistrationSuccessEmail($cust_email, $cust_pass) {

    $ci = & get_instance();

    $emailData = array(
        'email' => $cust_email,
        'password' => $cust_pass
    );

    $email_template = $ci->load->view('emailer/_emailer_customer_registration', $emailData, true);
    //  print($email_template);die;

    $subject = "Registration Confirmation - " . SITE_NAME;

    $param = array(
        'from' => array(SITE_EMAIL => SITE_NAME),
        'reply' => array(SITE_EMAIL => SITE_NAME),
        'recipients' => array($cust_email),
        'subject' => $subject,
        'msg' => $email_template
    );

    swiftsend($param);
}

function get_page($slug) {

    $ci = & get_instance();

    $page = $ci->common_model->get_where('tbl_pages', array('slug' => $slug));
    if ($page)
        echo $page[0]['desc'];
    else
        echo "Slug Not Found: " . $slug;
}

function generateRandomString($length = 10) {
    $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
    $charactersLength = strlen($characters);
    $randomString = '';
    for ($i = 0; $i < $length; $i++) {
        $randomString .= $characters[rand(0, $charactersLength - 1)];
    }
    return $randomString;
}

function getAllCountryCodes() {
    $ci = &get_instance();

    $ci->load->helper('file');
    $json = read_file(APPPATH . 'third_party/country_calling_codes.json');
    $countryCodes = json_decode($json);

    usort($countryCodes, function($a, $b) {
        return $a->code > $b->code;
    });

    return $countryCodes;
}

function isAirportOrStation($location) {
    if (
            stripos($location, 'airport') !== false ||
            stripos($location, 'terminal') !== false ||
            stripos($location, 'train') !== false ||
            stripos($location, 'station') !== false) {
        return true;
    } else {
        return false;
    }
}

function isAirport($location) {
    if (
            (stripos($location, 'airport') !== false || stripos($location, 'terminal') !== false) &&
            stripos($location, 'station') === false) {

        return true;
    } else {
        return false;
    }
}

function isStation($location) {
    if (
            stripos($location, 'train') !== false ||
            stripos($location, 'station') !== false) {
        return true;
    } else {
        return false;
    }
}

function doDirectPayment($data) {

    // Set sandbox (test mode) to true/false.
    $sandbox = TRUE;

    // Set PayPal API version and credentials.
    $api_version = '85.0';
    $api_endpoint = $sandbox ? 'https://api-3t.sandbox.paypal.com/nvp' : 'https://api-3t.paypal.com/nvp';
    $api_username = $sandbox ? 'manish-facilitator_api1.digital-designinc.com' : 'LIVE_USERNAME_GOES_HERE';
    $api_password = $sandbox ? '8HX9ZPLN7FP7HZXJ' : 'LIVE_PASSWORD_GOES_HERE';
    $api_signature = $sandbox ? 'AGTq7y9-jRQtnp9vTs0G2WMk.fM9AGrs.oM6Xo.yS1uxhHz8Olnim7na' : 'LIVE_SIGNATURE_GOES_HERE';

    // Store request params in an array
    $request_params = array
        (
        'METHOD' => 'DoDirectPayment',
        'USER' => $api_username,
        'PWD' => $api_password,
        'SIGNATURE' => $api_signature,
        'VERSION' => $api_version,
        'PAYMENTACTION' => 'Sale',
        'IPADDRESS' => $_SERVER['REMOTE_ADDR'],
        'CREDITCARDTYPE' => $data['CREDITCARDTYPE'],
        'ACCT' => $data['ACCT'],
        'EXPDATE' => $data['EXPDATE'],
        'CVV2' => $data['CVV2'],
        'FIRSTNAME' => $data['FIRSTNAME'],
        'LASTNAME' => $data['LASTNAME'],
        'STREET' => $data['STREET'],
        'CITY' => $data['CITY'],
        'STATE' => $data['STATE'],
        'COUNTRYCODE' => 'UK',
        'ZIP' => $data['ZIP'],
        'AMT' => $data['AMT'],
        'CURRENCYCODE' => 'GBP',
        'DESC' => $data['DESC']
    );

    // Loop through $request_params array to generate the NVP string.
    $nvp_string = '';
    foreach ($request_params as $var => $val) {
        $nvp_string .= '&' . $var . '=' . urlencode($val);
    }

    // Send NVP string to PayPal and store response
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_VERBOSE, 1);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($curl, CURLOPT_TIMEOUT, 30);
    curl_setopt($curl, CURLOPT_URL, $api_endpoint);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $nvp_string);

    $result = curl_exec($curl);
    curl_close($curl);

    // Parse the API response
    $nvp_response_array = NVPToArray($result);
    debug($nvp_response_array);
    return $nvp_response_array;
}

// Function to convert NTP string to an array
function NVPToArray($NVPString)
{
    $proArray = array();
    while(strlen($NVPString))
    {
        // name
        $keypos= strpos($NVPString,'=');
        $keyval = substr($NVPString,0,$keypos);
        // value
        $valuepos = strpos($NVPString,'&') ? strpos($NVPString,'&'): strlen($NVPString);
        $valval = substr($NVPString,$keypos+1,$valuepos-$keypos-1);
        // decoding the respose
        $proArray[$keyval] = urldecode($valval);
        $NVPString = substr($NVPString,$valuepos+1,strlen($NVPString));
    }
    return $proArray;
}