<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
/**
 * Numbers_Words
 *
 * Numbers_Words class extension to spell numbers in Turkish.
 *
 * PHP version 4
 *
 * This source file is subject to version 3.01 of the PHP license,
 * that is bundled with this package in the file LICENSE, and is
 * available at through the world-wide-web at
 * http://www.php.net/license/3_01.txt
 * If you did not receive a copy of the PHP license and are unable to
 * obtain it through the world-wide-web, please send a note to
 * license@php.net so we can mail you a copy immediately.
 *
 * @category  Numbers
 * @package   Numbers_Words
 * @author    Shahriyar Imanov
 * @copyright 1997-2008 The PHP Group
 * @license   PHP 3.01 http://www.php.net/license/3_01.txt
 * @version   SVN: $Id$
 * @link      http://pear.php.net/package/Numbers_Words
 */

/**
 * Class for translating numbers into Turkish.
 *
 * @author Shahriyar Imanov <shehi@imanov.name>
 * @package Numbers_Words
 */

/**
 * Include needed files
 */
require_once('Numbers/Words.php');

/**
 * Class for translating numbers into Italian.
 * It supports up to quadrilions
 *
 * @author Shahriyar Imanov <shehi@imanov.name>
 * @package Numbers_Words
 */
class Numbers_Words_tr_TR extends Numbers_Words
{
    // {{{ properties

    /**
     * Locale name
     * @var string
     * @access public
     */
    var $locale      = 'tr_TR';
    
    /**
     * Language name in English
     * @var string
     * @access public
     */
    var $lang        = 'Turkish';
    
    /**
     * Native language name
     * @var string
     * @access public
     */
    var $lang_native = 'Türkçe';

    /**
     * The word for the minus sign
     * @var string
     * @access private
     */
    var $_minus = 'eksi';

    /**
     * The sufixes for exponents (singular and plural)
     * @var array
     * @access private
     */
    var $_exponent = array(
        0 => array(''),
        3 => array('bin'),
        6 => array('milyon'),
       12 => array('milyar'),
       18 => array('trilyon'),
       24 => array('katrilyon'),
        );
    /**
     * The array containing the digits (indexed by the digits themselves).
     * @var array
     * @access private
     */
     var $_digits = array(
      0 => 's?f?r', 'bir', 'iki', 'üç', 'dört',
       'be?', 'alt?', 'yedi', 'sekiz', 'dokuz'
    );
    
    /**
     * The word separator
     * @var string
     * @access private
     */
    var $_sep = ' ';
    
    /**
     * The currency names (based on the below links,
     * informations from central bank websites and on encyclopedias)
     *
     * @var array
     * @link http://30-03-67.dreamstation.com/currency_alfa.htm World Currency Information
     * @link http://www.jhall.demon.co.uk/currency/by_abbrev.html World currencies
     * @link http://www.shoestring.co.kr/world/p.visa/change.htm Currency names in English
     * @access private
     */
    var $_currency_names = array(
      'ALL' => array(array('lek'), array('qindarka')),
      'AUD' => array(array('Avusturalya dolar?'), array('sent')),
      'BAM' => array(array('convertible marka'), array('fenig')),
      'BGN' => array(array('Bulgar levas?'), array('stotinka','stotinki')),
      'BRL' => array(array('real'), array('centavos')),
      'BWP' => array(array('Botswana pulas?'), array('thebe')),
      'BYR' => array(array('Belarus rublesi'), array('kopiejka')),
      'CAD' => array(array('Kanada dolar?'), array('sent')),
      'CHF' => array(array('?sveç frank?'), array('rapp')),
        'CHF' => array(array('Çin yuan?'), array('fen')),
      'CYP' => array(array('K?br?s pound\'u'), array('sent')),
      'CZK' => array(array('Çek kronu'), array('halerz')),
      'DKK' => array(array('Danmarka kronu'), array('ore')),
      'EEK' => array(array('kroon'), array('senti')),
      'EUR' => array(array('Avro'), array('Avro-sent')),
      'GBP' => array(array('pound', 'pound'), array('pence', 'pence')),
      'HKD' => array(array('Hong Kong dolar?'), array('sent')),
      'HRK' => array(array('H?rvatistan kunas?'), array('lipa')),
      'HUF' => array(array('Macar forinti'), array('filler')),
      'ILS' => array(array('yeni sheqel','yeni sheqels'), array('agora','agorot')),
      'ISK' => array(array('Izlanda kronu'), array('aurar')),
      'JPY' => array(array('Japon yeni'), array('sen')),
      'LTL' => array(array('Litvanya litas?'), array('sent')),
      'LVL' => array(array('Letonya lat?'), array('sentim')),
      'MKD' => array(array('Makedonya dinar?'), array('deni')),
      'MTL' => array(array('Malta liras?'), array('centym')),
      'NOK' => array(array('Norveç kronu'), array('oere')),
      'PLN' => array(array('zloty', 'zlotys'), array('grosz')),
      'ROL' => array(array('Romanya leu'), array('bani')),
      'RUB' => array(array('Ruble'), array('kopiejka')),
      'SEK' => array(array('?sveç kronu'), array('oere')),
      'SIT' => array(array('Tolar'), array('stotinia')),
      'SKK' => array(array('Slovakya kronu'), array()),
      'TRY' => array(array('Türk Liras?'), array('kuru?')),
      'UAH' => array(array('Ukrayna hryvnyas?'), array('kopiyka')),
      'USD' => array(array('ABD Dolar?'), array('sent')),
      'YUM' => array(array('dinar'), array('para')),
      'ZAR' => array(array('Güney Afrika rand?'), array('sent'))
    );

    /**
     * The default currency name
     * @var string
     * @access public
     */
    var $def_currency = 'TRY'; // Türk Liras?

    // }}}
    // {{{ _toWords()
    /**
     * Converts a number to its word representation
     * in italiano.
     *
     * @param  integer $num   An integer between -infinity and infinity inclusive :)
     *                        that should be converted to a words representation
     * @param  integer $power The power of ten for the rest of the number to the right.
     *                        For example toWords(12,3) should give "doce mil".
     *                        Optional, defaults to 0.
     * @return string  The corresponding word representation
     *
     * @access protected
     * @author Filippo Beltramini
     * @since  Numbers_Words 0.16.3
     */
    function _toWords($num, $power = 0)
    {
        // The return string;
        $ret = '';

        // add a the word for the minus sign if necessary
        if (substr($num, 0, 1) == '-')
        {
            $ret = $this->_sep . $this->_minus;
            $num = substr($num, 1);
        }


        // strip excessive zero signs
        $num = preg_replace('/^0+/','',$num);

        if (strlen($num) > 6)
        {
            $current_power = 6;
            // check for highest power
            if (isset($this->_exponent[$power]))
            {
                // convert the number above the first 6 digits
                // with it's corresponding $power.
                $snum = substr($num, 0, -6);
                $snum = preg_replace('/^0+/','',$snum);
                if ($snum !== '') {
                    $ret .= $this->_toWords($snum, $power + 6);
                }
            }
            $num = substr($num, -6);
            if ($num == 0) {
                return $ret;
            }
        }
        elseif ($num == 0 || $num == '') {
            return(' '.$this->_digits[0].' ');
            $current_power = strlen($num);
        }
        else {
            $current_power = strlen($num);
        }

        // See if we need "thousands"
        $thousands = floor($num / 1000);
        if ($thousands == 1) {
            $ret .= $this->_sep . 'bin' . $this->_sep;
        }
        elseif ($thousands > 1) {
            $ret .= $this->_toWords($thousands, 3) . $this->_sep;//. 'mil' . $this->_sep;
        }

        // values for digits, tens and hundreds
        $h = floor(($num / 100) % 10);
        $t = floor(($num / 10) % 10);
        $d = floor($num % 10);

        if ($h) {
          $ret .= $this->_sep . $this->_digits[$h] . $this->_sep . 'yüz';

          // in English only - add ' and' for [1-9]01..[1-9]99
          // (also for 1001..1099, 10001..10099 but it is harder)
          // for now it is switched off, maybe some language purists
          // can force me to enable it, or to remove it completely
          // if (($t + $d) > 0)
          //   $ret .= $this->_sep . 'and';
        }

        // decine: venti trenta, etc...
        switch ($t)
        {
            case 9:
                $ret .= $this->_sep . 'doksan';
                break;

            case 8:
                $ret .= $this->_sep . 'seksen';
                break;

            case 7:
                $ret .= $this->_sep . 'yetmi?';
                break;

            case 6:
                $ret .= $this->_sep . 'altm??';
                break;

            case 5:
                $ret .= $this->_sep . 'elli';
                break;

            case 4:
                $ret .= $this->_sep . 'k?rk';
                break;

            case 3:
                $ret .= $this->_sep . 'otuz';
                break;

            case 2:
                $ret .= $this->_sep . 'yirmi';
                break;

            case 2:
                $ret .= $this->_sep . 'on';
                break;
                
            break;
        }

        if ($t > 1 && $d > 0) {
           $ret .= $this->_sep . $this->_digits[$d];
        }

        if ($power > 0)
        {
            if (isset($this->_exponent[$power])) {
                $lev = $this->_exponent[$power];
            }

            if (!isset($lev) || !is_array($lev)) {
                return null;
            }

            // if it's only one use the singular suffix
            if (($d == 1) and ($t == 0) and ($h == 0)) {
                $suffix = $lev[0];
            }
            else {
                $suffix = $lev[1];
            }
            if ($num != 0)  {
                $ret .= $this->_sep . $suffix;
            }
        }

        return $ret;
    }
    // }}}
    
    // {{{ toCurrencyWords()

    /**
     * Converts a currency value to its word representation
     * (with monetary units) in English language
     *
     * @param  integer $int_curr An international currency symbol
     *                 as defined by the ISO 4217 standard (three characters)
     * @param  integer $decimal A money total amount without fraction part (e.g. amount of dollars)
     * @param  integer $fraction Fractional part of the money amount (e.g. amount of cents)
     *                 Optional. Defaults to false.
     * @param  integer $convert_fraction Convert fraction to words (left as numeric if set to false).
     *                 Optional. Defaults to true.
     *
     * @return string  The corresponding word representation for the currency
     *
     * @access public
     * @author Piotr Klaban <makler@man.torun.pl>
     * @since  Numbers_Words 0.4
     */
    function toCurrencyWords($int_curr, $decimal, $fraction = false, $convert_fraction = true) {
        $int_curr = strtoupper($int_curr);
        if (!isset($this->_currency_names[$int_curr])) {
            $int_curr = $this->def_currency;
        }
        $curr_names = $this->_currency_names[$int_curr];
        $ret  = trim($this->_toWords($decimal));
        $lev  = ($decimal == 1) ? 0 : 1;
        if ($lev > 0) {
            if (count($curr_names[0]) > 1) {
                $ret .= $this->_sep . $curr_names[0][$lev];
            } else {
                $ret .= $this->_sep . $curr_names[0][0];
            }
        } else {
            $ret .= $this->_sep . $curr_names[0][0];
        }
      
        if ($fraction !== false) {
            if ($convert_fraction) {
                $ret .= $this->_sep . trim($this->_toWords($fraction));
            } else {
                $ret .= $this->_sep . $fraction;
            }
            $lev  = ($fraction == 1) ? 0 : 1;
            if ($lev > 0) {
                if (count($curr_names[1]) > 1) {
                    $ret .= $this->_sep . $curr_names[1][$lev];
                } else {
                    $ret .= $this->_sep . $curr_names[1][0] . 's';
                }
            } else {
                $ret .= $this->_sep . $curr_names[1][0];
            }
        }
        return $ret;
    }
    // }}}
}
