<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
 * Halogy
 *
 * A user friendly, modular content management system for PHP 5.0
 * Built on CodeIgniter - http://codeigniter.com
 *
 * @package		Halogy
 * @author		Haloweb Ltd.
 * @copyright	Copyright (c) 2008-2011, Haloweb Ltd.
 * @license		http://halogy.com/license
 * @link		http://halogy.com/
 * @since		Version 1.0
 * @filesource
 */

// ------------------------------------------------------------------------

// orderby helper (will be extended in time)
function order_link($link, $orderby, $text, $segment = 4)
{
	$CI =& get_instance();
	
	if (!$CI->uri->segment($segment) || $CI->uri->segment($segment) == 'orderdesc')
	{
		$order = 'orderasc';
	}
	else
	{
		$order = 'orderdesc';
	}

	if ($CI->uri->segment(($segment+1)) == $orderby)
	{
		$class = 'class="'.$order.'"';
	}
	else
	{
		$class = '';
	}
	
	echo anchor($link.'/'.$order.'/'.$orderby, $text, $class); 

}

// get country codes
function get_country_codes($country = '')
{
	$countries = array(
		'AF'=>'AFGHANISTAN',
		'AX'=>'ALAND ISLANDS',
		'AL'=>'ALBANIA',
		'DZ'=>'ALGERIA',
		'AS'=>'AMERICAN SAMOA',
		'AD'=>'ANDORRA',
		'AO'=>'ANGOLA',
		'AI'=>'ANGUILLA',
		'AQ'=>'ANTARCTICA',
		'AG'=>'ANTIGUA AND BARBUDA',
		'AR'=>'ARGENTINA',
		'AM'=>'ARMENIA',
		'AW'=>'ARUBA',
		'AU'=>'AUSTRALIA',
		'AT'=>'AUSTRIA',
		'AZ'=>'AZERBAIJAN',
		'BS'=>'BAHAMAS',
		'BH'=>'BAHRAIN',
		'BD'=>'BANGLADESH',
		'BB'=>'BARBADOS',
		'BY'=>'BELARUS',
		'BE'=>'BELGIUM',
		'BZ'=>'BELIZE',
		'BJ'=>'BENIN',
		'BM'=>'BERMUDA',
		'BT'=>'BHUTAN',
		'BO'=>'BOLIVIA',
		'BA'=>'BOSNIA AND HERZEGOVINA',
		'BW'=>'BOTSWANA',
		'BV'=>'BOUVET ISLAND',
		'BR'=>'BRAZIL',
		'IO'=>'BRITISH INDIAN OCEAN TERRITORY',
		'BN'=>'BRUNEI DARUSSALAM',
		'BG'=>'BULGARIA',
		'BF'=>'BURKINA FASO',
		'BI'=>'BURUNDI',
		'KH'=>'CAMBODIA',
		'CM'=>'CAMEROON',
		'CA'=>'CANADA',
		'CV'=>'CAPE VERDE',
		'CI'=>'CâTE D\'IVOIRE',
		'KY'=>'CAYMAN ISLANDS',
		'CF'=>'CENTRAL AFRICAN REPUBLIC',
		'TD'=>'CHAD',
		'CL'=>'CHILE',
		'CN'=>'CHINA',
		'CX'=>'CHRISTMAS ISLAND',
		'CC'=>'COCOS (KEELING) ISLANDS',
		'CO'=>'COLOMBIA',
		'KM'=>'COMOROS',
		'CG'=>'CONGO',
		'CD'=>'CONGO, THE DEMOCRATIC REPUBLIC OF THE',
		'CK'=>'COOK ISLANDS',
		'CR'=>'COSTA RICA',
		'HR'=>'CROATIA',
		'CU'=>'CUBA',
		'CY'=>'CYPRUS',
		'CZ'=>'CZECH REPUBLIC',
		'DK'=>'DENMARK',
		'DJ'=>'DJIBOUTI',
		'DM'=>'DOMINICA',
		'DO'=>'DOMINICAN REPUBLIC',
		'EC'=>'ECUADOR',
		'EG'=>'EGYPT',
		'SV'=>'EL SALVADOR',
		'GQ'=>'EQUATORIAL GUINEA',
		'ER'=>'ERITREA',
		'EE'=>'ESTONIA',
		'ET'=>'ETHIOPIA',
		'FK'=>'FALKLAND ISLANDS (MALVINAS)',
		'FO'=>'FAROE ISLANDS',
		'FJ'=>'FIJI',
		'FI'=>'FINLAND',
		'FR'=>'FRANCE',
		'GF'=>'FRENCH GUIANA',
		'PF'=>'FRENCH POLYNESIA',
		'TF'=>'FRENCH SOUTHERN TERRITORIES',
		'GA'=>'GABON',
		'GM'=>'GAMBIA',
		'GE'=>'GEORGIA',
		'DE'=>'GERMANY',
		'GH'=>'GHANA',
		'GI'=>'GIBRALTAR',
		'GR'=>'GREECE',
		'GL'=>'GREENLAND',
		'GD'=>'GRENADA',
		'GP'=>'GUADELOUPE',
		'GU'=>'GUAM',
		'GT'=>'GUATEMALA',
		'GN'=>'GUINEA',
		'GW'=>'GUINEA-BISSAU',
		'GY'=>'GUYANA',
		'HT'=>'HAITI',
		'HM'=>'HEARD ISLAND AND MCDONALD ISLANDS',
		'VA'=>'HOLY SEE (VATICAN CITY STATE)',
		'HN'=>'HONDURAS',
		'HK'=>'HONG KONG',
		'HU'=>'HUNGARY',
		'IS'=>'ICELAND',
		'IN'=>'INDIA',
		'ID'=>'INDONESIA',
		'IR'=>'IRAN ISLAMIC REPUBLIC OF',
		'IQ'=>'IRAQ',
		'IE'=>'IRELAND',
		'IL'=>'ISRAEL',
		'IT'=>'ITALY',
		'JM'=>'JAMAICA',
		'JP'=>'JAPAN',
		'JO'=>'JORDAN',
		'KZ'=>'KAZAKHSTAN',
		'KE'=>'KENYA',
		'KI'=>'KIRIBATI',
		'KP'=>'KOREA DEMOCRATIC PEOPLE\'S REPUBLIC OF',
		'KR'=>'KOREA REPUBLIC OF',
		'KW'=>'KUWAIT',
		'KG'=>'KYRGYZSTAN',
		'LA'=>'LAO PEOPLE\'S DEMOCRATIC REPUBLIC',
		'LV'=>'LATVIA',
		'LB'=>'LEBANON',
		'LS'=>'LESOTHO',
		'LR'=>'LIBERIA',
		'LY'=>'LIBYAN ARAB JAMAHIRIYA',
		'LI'=>'LIECHTENSTEIN',
		'LT'=>'LITHUANIA',
		'LU'=>'LUXEMBOURG',
		'MO'=>'MACAO',
		'MK'=>'MACEDONIA, THE FORMER YUGOSLAV REPUBLIC OF',
		'MG'=>'MADAGASCAR',
		'MW'=>'MALAWI',
		'MY'=>'MALAYSIA',
		'MV'=>'MALDIVES',
		'ML'=>'MALI',
		'MT'=>'MALTA',
		'MH'=>'MARSHALL ISLANDS',
		'MQ'=>'MARTINIQUE',
		'MR'=>'MAURITANIA',
		'MU'=>'MAURITIUS',
		'YT'=>'MAYOTTE',
		'MX'=>'MEXICO',
		'FM'=>'MICRONESIA, FEDERATED STATES OF',
		'MD'=>'MOLDOVA, REPUBLIC OF',
		'MC'=>'MONACO',
		'MN'=>'MONGOLIA',
		'MS'=>'MONTSERRAT',
		'MA'=>'MOROCCO',
		'MZ'=>'MOZAMBIQUE',
		'MM'=>'MYANMAR',
		'NA'=>'NAMIBIA',
		'NR'=>'NAURU',
		'NP'=>'NEPAL',
		'NL'=>'NETHERLANDS',
		'AN'=>'NETHERLANDS ANTILLES',
		'NC'=>'NEW CALEDONIA',
		'NZ'=>'NEW ZEALAND',
		'NI'=>'NICARAGUA',
		'NE'=>'NIGER',
		'NG'=>'NIGERIA',
		'NU'=>'NIUE',
		'NF'=>'NORFOLK ISLAND',
		'MP'=>'NORTHERN MARIANA ISLANDS',
		'NO'=>'NORWAY',
		'OM'=>'OMAN',
		'PK'=>'PAKISTAN',
		'PW'=>'PALAU',
		'PS'=>'PALESTINIAN TERRITORY, OCCUPIED',
		'PA'=>'PANAMA',
		'PG'=>'PAPUA NEW GUINEA',
		'PY'=>'PARAGUAY',
		'PE'=>'PERU',
		'PH'=>'PHILIPPINES',
		'PN'=>'PITCAIRN',
		'PL'=>'POLAND',
		'PT'=>'PORTUGAL',
		'PR'=>'PUERTO RICO',
		'QA'=>'QATAR',
		'RE'=>'REUNION',
		'RO'=>'ROMANIA',
		'RU'=>'RUSSIAN FEDERATION',
		'RW'=>'RWANDA',
		'SH'=>'SAINT HELENA',
		'KN'=>'SAINT KITTS AND NEVIS',
		'LC'=>'SAINT LUCIA',
		'PM'=>'SAINT PIERRE AND MIQUELON',
		'VC'=>'SAINT VINCENT AND THE GRENADINES',
		'WS'=>'SAMOA',
		'SM'=>'SAN MARINO',
		'ST'=>'SAO TOME AND PRINCIPE',
		'SA'=>'SAUDI ARABIA',
		'SN'=>'SENEGAL',
		'CS'=>'SERBIA AND MONTENEGRO',
		'SC'=>'SEYCHELLES',
		'SL'=>'SIERRA LEONE',
		'SG'=>'SINGAPORE',
		'SK'=>'SLOVAKIA',
		'SI'=>'SLOVENIA',
		'SB'=>'SOLOMON ISLANDS',
		'SO'=>'SOMALIA',
		'ZA'=>'SOUTH AFRICA',
		'GS'=>'SOUTH GEORGIA AND THE SOUTH SANDWICH ISLANDS',
		'ES'=>'SPAIN',
		'LK'=>'SRI LANKA',
		'SD'=>'SUDAN',
		'SR'=>'SURINAME',
		'SJ'=>'SVALBARD AND JAN MAYEN',
		'SZ'=>'SWAZILAND',
		'SE'=>'SWEDEN',
		'CH'=>'SWITZERLAND',
		'SY'=>'SYRIAN ARAB REPUBLIC',
		'TW'=>'TAIWAN PROVINCE OF CHINA',
		'TJ'=>'TAJIKISTAN',
		'TZ'=>'TANZANIA UNITED REPUBLIC OF',
		'TH'=>'THAILAND',
		'TL'=>'TIMOR-LESTE',
		'TG'=>'TOGO',
		'TK'=>'TOKELAU',
		'TO'=>'TONGA',
		'TT'=>'TRINIDAD AND TOBAGO',
		'TN'=>'TUNISIA',
		'TR'=>'TURKEY',
		'TM'=>'TURKMENISTAN',
		'TC'=>'TURKS AND CAICOS ISLANDS',
		'TV'=>'TUVALU',
		'UG'=>'UGANDA',
		'UA'=>'UKRAINE',
		'AE'=>'UNITED ARAB EMIRATES',
		'GB'=>'UNITED KINGDOM',
		'US'=>'UNITED STATES',
		'UM'=>'UNITED STATES MINOR OUTLYING ISLANDS',
		'UY'=>'URUGUAY',
		'UZ'=>'UZBEKISTAN',
		'VU'=>'VANUATU',
		'VE'=>'VENEZUELA',
		'VN'=>'VIETNAM',
		'VG'=>'VIRGIN ISLANDS BRITISH',
		'VI'=>'VIRGIN ISLANDS U.S.',
		'WF'=>'WALLIS AND FUTUNA',
		'EH'=>'WESTERN SAHARA',
		'YE'=>'YEMEN',
		'ZM'=>'ZAMBIA',
		'ZW'=>'ZIMBABWE'
	);

	return $countries;
}

// get country
function lookup_country($country)
{
	$countries = get_country_codes();

	return ucwords(strtolower(@$countries[$country]));
}

// helper for displaying countries (no ID)
function display_countries($name = 'country', $selected = '', $extras = '')
{
	$output = '';

	$countries = get_country_codes();

	$output .= '<select name="'.$name.'" '.$extras.'>'."\n";

	foreach($countries as $country => $name)
	{
		$name = ucwords(strtolower($name));
		
		$output .= '<option value="'.$country.'"';
		if ($country == $selected || ($selected == '' && $country == 'US'))
		{
			$output .= ' selected="selected"';
		}
		$output .= '>'.$name.'</option>'."\n";
	}
	$output .= '</select>'."\n";

	return $output;
}

// get state codes
function get_state_codes($state = '')
{
	$states = array(
		''=>'',
		'AL'=>'Alabama',
		'AK'=>'Alaska', 
		'AZ'=>'Arizona', 
		'AR'=>'Arkansas', 
		'CA'=>'California', 
		'CO'=>'Colorado', 
		'CT'=>'Connecticut', 
		'DE'=>'Delaware', 
		'DC'=>'District Of Columbia', 
		'FL'=>'Florida', 
		'GA'=>'Georgia', 
		'HI'=>'Hawaii', 
		'ID'=>'Idaho',
		'IL'=>'Illinois',
		'IN'=>'Indiana',
		'IA'=>'Iowa',
		'KS'=>'Kansas',
		'KY'=>'Kentucky',
		'LA'=>'Louisiana',
		'ME'=>'Maine',
		'MD'=>'Maryland',
		'MA'=>'Massachusetts',
		'MI'=>'Michigan',
		'MN'=>'Minnesota',
		'MS'=>'Mississippi',
		'MO'=>'Missouri',
		'MT'=>'Montana',
		'NE'=>'Nebraska',
		'NV'=>'Nevada',
		'NH'=>'New Hampshire',
		'NJ'=>'New Jersey',
		'NM'=>'New Mexico',
		'NY'=>'New York',
		'NC'=>'North Carolina',
		'ND'=>'North Dakota',
		'OH'=>'Ohio',
		'OK'=>'Oklahoma',
		'OR'=>'Oregon',
		'PA'=>'Pennsylvania',
		'RI'=>'Rhode Island',
		'SC'=>'South Carolina',
		'SD'=>'South Dakota',
		'TN'=>'Tennessee',
		'TX'=>'Texas',
		'UT'=>'Utah',
		'VT'=>'Vermont',
		'VA'=>'Virginia',
		'WA'=>'Washington',
		'WV'=>'West Virginia',
		'WI'=>'Wisconsin',
		'WY'=>'Wyoming'
	);

	return $states;
}

// get state
function lookup_state($state)
{
	$states = get_state_codes();

	return ucwords(strtolower(@$states[$state]));
}

// helper for displaying countries (no ID)
function display_states($name = 'state', $selected = '', $extras = '')
{
	$output = '';

	$states = get_state_codes();

	$output .= '<select name="'.$name.'" '.$extras.'>'."\n";

	foreach($states as $state => $name)
	{
		$name = ucwords(strtolower($name));
		
		$output .= '<option value="'.$state.'"';
		if ($state == $selected || ($selected == '' && $state == 'US'))
		{
			$output .= ' selected="selected"';
		}
		$output .= '>'.$name.'</option>'."\n";
	}
	$output .= '</select>'."\n";

	return $output;
}

// image loader (requires images model/lib)
function load_image($image, $thumb = false, $product = false)
{
	$CI =& get_instance();

	$imagePath = $CI->uploads->load_image($image, $thumb, $product);

	return $imagePath['src'];
	
}

function display_image($path, $alt, $size = '', $extras = '', $nopic = FALSE)
{
	if (!$imageSize = @getimagesize('.'.$path))
	{
		if ($nopic !== FALSE)
		{
			$imageHTML = '<img src="'.$nopic.'" alt="No Picture" ';
		}
		else
		{
			return FALSE;
		}
	}
	else
	{
		$imageHTML = '<img src="'.$path.'" alt="'.$alt.'" ';
	}

	if ($size)
	{
		if (is_array($size))
		{
			$widthfactor = (isset($size['width'])) ? $imageSize[0] / $size['width'] : 0;
			$heightfactor = (isset($size['height'])) ? $imageSize[1] / $size['height'] : 0;
			
			if ($imageSize[0] > $size['width'] && ($widthfactor > $heightfactor || $widthfactor == $heightfactor))
			{
				$factor = $imageSize[0] / $size['width'];
				$imageHTML .= 'width="'.$size['width'].'" ';
			}
			elseif ($imageSize[1] > $size['height'] && $heightfactor > $widthfactor)
			{
				$imageHTML .= 'height="'.$size['height'].'" ';
			}
		}
		elseif (intval($size) && $size > 0 && (($imageSize[0] > $size || $imageSize[1] > $size) || $nopic))
		{
			if (($imageSize[0] > $imageSize[1]) || $imageSize[0] == $imageSize[1])
			{
				$imageHTML .= 'width="'.$size.'" ';
			}
			elseif ($imageSize[1] > $imageSize[0])
			{
				$imageHTML .= 'height="'.$size.'" ';
			}
		}
	}

	if ($extras != '')
	{
		$imageHTML .= $extras.' ';
	}

	$imageHTML .= '/>';

	return $imageHTML;
}

// date formatting for mysql dates
function datefmt($date, $fmt = '', $timezone = '', $seconds = FALSE)
{
	$CI =& get_instance();

	if ($CI->site->config['timezone'] && $timezone == '')
	{
		$timezone = $CI->site->config['timezone'];
	}
	
	if (!$fmt)
	{
		if (@$CI->site->config['dateOrder'] == 'MD')
		{
			$fmt = 'M jS Y';
		}
		else
		{
			$fmt = 'jS M Y';
		}
	}
	
	if ($seconds)
	{
		$fmt .= ', H:i';
	}
	
	if ($date && $date > 0)
	{
		$timestamp = local_to_gmt(strtotime($date));

		if ($timezone)
		{
			$timestamp = gmt_to_local($timestamp, $timezone, FALSE);
		}

		return date($fmt, $timestamp);
	}
	else
	{ 
		return false;
	}
}

function currency_symbol($html = TRUE, $currency = '')
{
	$CI =& get_instance();
	
	$currency = (!$currency) ? $CI->site->config['currency'] : $currency;

	if ($currency == 'GBP')
	{
		return ($html) ? '&pound;' : '£';
	}
	elseif ($currency == 'JPY')
	{
		return ($html) ? '&yen;' : '¥';
	}
	elseif ($currency == 'EUR')
	{
		return ($html) ? '&euro;' : '€';
	}
	elseif ($currency == 'DKK' || $currency == 'SEK' || $currency == 'NOK')
	{
		return 'kr ';
	}
	elseif ($currency == 'IDR')
	{
		return 'Rp ';
	}
	elseif ($currency == 'INR')
	{
		return 'Rs ';
	}
	elseif ($currency == 'CHF')
	{
		return 'CHF ';
	}
	elseif ($currency == 'PLN')
	{
		return 'zl ';
	}
	elseif ($currency == 'RUB')
	{
		return 'P.';
	}
	elseif ($currency == 'SGD')
	{
		return 'S$';
	}
	elseif ($currency == 'ZAR')
	{
		return 'R ';
	}
	elseif ($currency == 'MYR')
	{
		return 'RM ';
	}
	elseif ($currency == 'BRL')
	{
		return 'R$';
	}
	elseif ($currency == 'LKR')
	{
		return 'Rs ';
	}
	elseif ($currency == 'VEF')
	{
		return 'Bs.F ';
	}
	elseif ($currency == 'LVL')
	{
		return 'Ls ';
	}
	elseif ($currency == 'ILS')
	{
		return ($html) ? '&#8362;' : '₪';
	}
	elseif ($currency == 'AED')
	{
		return 'AED ';
	}
	elseif ($currency == 'CZK')
	{
		return ($html) ? 'K&#269; ' : 'Kč ';
	}
	elseif ($currency == 'KES')
	{
		return 'KSh ';
	}
	else
	{
		return '$';
	}
}

function currencies()
{
	$values = array(
		'USD' => 'US Dollars (USD)',
		'GBP' => 'UK Pounds (GBP)',	
		'EUR' => 'Euro (EUR)',
		'AED' => 'UAE Dirham (AED)',		
		'ARS' => 'Argentina Pesos (ARS)',
		'AUD' => 'Australia Dollars (AUD)',	
		'BRL' => 'Brazil Real (BRL)',
		'CAD' => 'Canada Dollars (CAD)',
		'CHF' => 'Switzerland Francs (CHF)',
		'CZK' => 'Czech Republic Koruny (CZK)',
		'DKK' => 'Denmark Kroner (DKK)',
		'DOP' => 'Dominican Republic Peso (DOP)',
		'HKD' => 'Hong Kong Dollar (HKD)',
		'IDR' => 'Indonesia Rupiah (IDR)',
		'ILS' => 'Israel New Shekels (ILS)',
		'INR' => 'India Rupees (INR)',
		'JPY' => 'Japan Yen (JPY)',
		'KES' => 'Kenya Shilling (KES)',		
		'LKR' => 'Sri Lanka Rupees (LKR)',
		'LVL' => 'Latvia Lat (LVL)',
		'MXN' => 'Mexico Peso (MXN)',
		'MYR' => 'Malaysia Ringgit (MYR)',
		'NOK' => 'Norway Kroner (NOK)',
		'NZD' => 'New Zealand Dollars (NZD)',		
		'PLN' => 'Poland Zloty (PLN)',
		'RUB' => 'Russian Federation Ruble (RUB)',
		'SEK' => 'Sweden Kronor (SEK)',
		'SGD' => 'Singapore Dollars (SGD)',		
		'ZAR' => 'South Africa Rand (ZAR)',
		'VEF' => 'Venezuela Bolivar Fuerte (VEF)'
	);
	return $values;
}

function languages()
{
	$values = array(
		'english' => 'English',
		'danish' => 'Danish',
		'dutch' => 'Dutch',	
		'finnish' => 'Finnish',	
		'french' => 'French',
		'german' => 'German',
		'norweigan' => 'Norweigan',
		'portugese' => 'Portugese',
		'russian' => 'Russian',
		'spanish' => 'Spanish'
	);
	return $values;
}

function fraction($int)
{
	$fraction = ($int - floor($int));
	if ($fraction == '0.25')
	{
		return floor($int).' &frac14;';
	}	
	elseif ($fraction == '0.5')
	{
		return floor($int).' &frac12;';
	}
	elseif ($fraction == '0.75')
	{
		return floor($int).' &frac34;';
	}	
	else
	{
		return $int;
	}
}

function order($by, $title, $desc = FALSE, $class = '', $extras = '')
{
	$CI =& get_instance();
	
	$segments = $CI->uri->segment_array();

	if ($key = @array_search('orderby', $segments))
	{
		if ($segments[$key + 1] == $by)
		{
			if ($segments[$key + 2] == 'desc')
			{
				$segments[$key + 2] = 'asc';
				$class = 'orderdesc '.$class;
			}
			else
			{
				$segments[$key + 2] = 'desc';
				$class = 'orderasc '.$class;			
			}
		}
		else
		{
			$segments[$key + 2] = ($desc) ? 'desc' : 'asc';
		}

		$segments[$key + 1] = $by;		
	}
	else
	{
		array_push($segments, 'orderby');
		array_push($segments, $by);
		array_push($segments, (($desc) ? 'desc' : 'asc'));
	}

	$href = '/'.implode('/', str_replace('_ajax', '', $segments));
	
	return anchor($href, $title, 'class="'.trim($class).'" '.$extras);
}

function expiry_months_dropdown($name, $selected = '', $html = '')
{
	return form_dropdown($name, array(
		'01' => 'January',
		'02' => 'February',
		'03' => 'March',
		'04' => 'April',
		'05' => 'May',
		'06' => 'June',
		'07' => 'July',
		'08' => 'August',
		'09' => 'September',
		'10' => 'October',
		'11' => 'November',
		'12' => 'December',
	), $selected, $html);
}

function expiry_years_dropdown($name, $selected = '', $html = '')
{
	$options = array();
	
	for ($i=0; $i < 20; $i++) { 
		$options[date('Y', time()+(60*60*24*365)*$i+1)] = date('Y', time()+(60*60*24*365)*$i+1);
	}
	
	return form_dropdown($name, $options, $selected, $html);
}

function mkdn($text)
{
	$CI =& get_instance();

	$CI->load->library('mkdn');
			
	return $CI->mkdn->translate($text);
}