<?php
/**
 * 
 * Class for do users from ldap
 * 
 * @author Raul Rodrigo Segura <raurodse.gva@gmail.com>
 * 
 *
 */
class Person
{
	private $uid;
	private $cn;
	private $touch;
	private $dn;
	private $sn;
	private $gecos;
	/**
	 * 
	 * Constructor function. Fix touch value because this person still has not been touched.
	 * 
	 */
	function __construct()
	{
		$this->set_touch(false);
	}
	/**
	 * it get uid person
	 * @return string
	 */
	function get_uid()
	{
		return $this->uid;
	}
	/**
	 * get common name
	 * @return string
	 * @example Bryan Stevens Acosta Hincapie
	 */
	function get_cn()
	{
		return $this->cn;
	}
        /**
         * get surname
         * @return string
         * @example Bryan Stevens Acosta Hincapie
         */
        function get_sn()
        {
                return $this->sn;
        }
        /**
         * get gecos
         * @return string
         * @example Bryan Stevens Acosta Hincapie
         */
        function get_gecos()
        {
                return $this->gecos;
        }

	/**
	 * Set dn person. This may be how "uid=bryhin,ou=Students,ou=People,dc=12345678,dc=aula,dc=ma2,dc=lliurex,dc=net"
	 * @param $ndn String
	 * @return void
	 * 
	 */
	function set_dn($ndn)
	{
		$this->dn = $ndn;
	}

	/**
	 * Get has been touch 
	 * @return boolean
	 */
	function get_touch()
	{
		return $this->touch;
	}
	/**
	 * Set uid value
	 * @param $nuid string
	 * @return void 
	 */
	
	function set_uid($nuid)
	{
		$this->uid = $nuid;
	}
	/**
	 * Set common name 
	 * @param $ncn String
	 * @return void
	 */
	function set_cn($ncn)
	{
		$this->cn = $ncn;
	}
        /**
         * Set surname 
         * @param $nsn String
         * @return void
         */
        function set_sn($nsn)
        {
                $this->sn = $nsn;
        }
        /**
         * Set gecos  
         * @param $ngn String
         * @return void
         */
        function set_gecos($ngn)
        {
                $this->gecos = $ngn;
        }

	/**
	 * Touch person 
	 * @param $ntouch boolean
	 * @return void
	 */
	function set_touch($ntouch)
	{
		$this->touch = $ntouch;
	}

	/**
	 * get dn person
	 * @return string
	 * @example uid=bryhin,ou=Students,ou=People,dc=12345678,dc=aula,dc=ma2,dc=lliurex,dc=net
	 */
	function get_dn()
	{
		return $this->dn;
	}
	/**
	 * Do strtolower encode utf8
	 * 
	 * @param $string String
	 * @return string
	 */
	public static function strtolower_utf8($string)
	{
  		$convert_to = array(
		    "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u",
		    "v", "w", "x", "y", "z", "à", "á", "â", "ã", "ä", "å", "æ", "ç", "è", "é", "ê", "ë", "ì", "í", "î", "ï",
		    "ð", "ñ", "ò", "ó", "ô", "õ", "ö", "ø", "ù", "ú", "û", "ü", "ý", "а", "б", "в", "г", "д", "е", "ё", "ж",
		    "з", "и", "й", "к", "л", "м", "н", "о", "п", "р", "с", "т", "у", "ф", "х", "ц", "ч", "ш", "щ", "ъ", "ы",
		    "ь", "э", "ю", "я"
		  );
		$convert_from = array(
		    "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U",
		    "V", "W", "X", "Y", "Z", "À", "Á", "Â", "Ã", "Ä", "Å", "Æ", "Ç", "È", "É", "Ê", "Ë", "Ì", "Í", "Î", "Ï",
		    "Ð", "Ñ", "Ò", "Ó", "Ô", "Õ", "Ö", "Ø", "Ù", "Ú", "Û", "Ü", "Ý", "А", "Б", "В", "Г", "Д", "Е", "Ё", "Ж",
		    "З", "И", "Й", "К", "Л", "М", "Н", "О", "П", "Р", "С", "Т", "У", "Ф", "Х", "Ц", "Ч", "Ш", "Щ", "Ъ", "Ъ",
		    "Ь", "Э", "Ю", "Я"
		  );

		  return str_replace($convert_from, $convert_to, $string);
	}
	/**
	 * Compare a and b person through common name, deleting blank space and parsing to lower char on utf8.
	 * If Person has accent, but other hasn't it, this function return that they are different.
	 * 
	 * This function has been created for order array and later search with quicksort
	 * 
	 * Return -1 , 0 or 1 if common name $a person is lower, equal or great that common name $b   
	 * 
	 * @param $a Person
	 * @param $b Person
	 * @return int
	 */
	public static function compare($a,$b)
	{
		if(is_a($a,'Person') && is_a($b,'Person'))
		{			
			$var = strcmp(str_replace(" ", "",Person::strtolower_utf8($a->get_gecos())), str_replace(" ", "",Person::strtolower_utf8($b->get_gecos())));		
			return $var;
		}
		else
		{
			exit (1);
		}				
	}
	/**
	 * Search on array if needle exist. If exist return its position, in opposition return -1
	 * 
	 * @param $array Person
	 * @param $needle Person
	 * @return int
	 */
	public static function search($array,$needle)
	{
		$i = 0;
		$j = count($array)-1;
		while (true){
			if ($i > $j) return -1;
			$medio = floor(($j + $i) /2);
			$compare = Person::compare($needle,$array[$medio]);
			if ($compare > 0) $i = $medio + 1;
			elseif ($compare < 0) $j = $medio - 1;
			elseif ($compare == 0) return $medio;
		}
	}	 
}
?>