<?php

// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
//
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id$

include_once 'UpdateSentences.php';
include_once 'SentenceSegmentor.php';
include_once 'SentenceAlignments.php';
include_once 'MockMTWrapper.php';

class Multilingual_Aligner_UpdatePages
{

    public $alignments = null;

    public function setUp()
    {
        $this->alignments = new Multilingual_Aligner_SentenceAlignments();
        $this->translator = new Multilingual_Aligner_MockMTWrapper();
    }

    public function UpdatingTargetPage($source_outofdate, $source_modified, $target_outofdate, $target_modified, $source_lng, $target_lng)
    {
        $segmentor = new Multilingual_Aligner_SentenceSegmentor();

        $source_outofdate_string = $source_outofdate;
        $source_modified_string = $source_modified;

        $target_outofdate_string = $target_outofdate;
        $target_modified_string = $target_modified;

        $source_outofdate_sentences = $segmentor->segment($source_outofdate_string);
        $source_modified_sentences = $segmentor->segment($source_modified_string);

        $target_outofdate_sentences = $segmentor->segment($target_outofdate_string);
        $target_modified_sentences = $segmentor->segment($target_modified_string);
        $target_modified_sentences[count($target_modified_sentences)] = 'dummy';
        $i = -1;
        for ($a = 0, $aCountSourceOutofdateSentences = count($source_outofdate_sentences); $a < $aCountSourceOutofdateSentences; $a++) {
            $source_outofdate_sentences[$a] = trim($source_outofdate_sentences[$a]);
        }

        for ($a = 0, $aCountSourceModifiedSentences = count($source_modified_sentences); $a < $aCountSourceModifiedSentences; $a++) {
            $source_modified_sentences[$a] = trim($source_modified_sentences[$a]);
        }

        for ($a = 0, $aCountTargetOutofdateSentences = count($target_outofdate_sentences); $a < $aCountTargetOutofdateSentences; $a++) {
            $target_outofdate_sentences[$a] = trim($target_outofdate_sentences[$a]);
        }

        for ($a = 0, $aCountTargetModifiedSentences = count($target_modified_sentences); $a < $aCountTargetModifiedSentences; $a++) {
            $target_modified_sentences[$a] = trim($target_modified_sentences[$a]);
        }

        $update = new Multilingual_Aligner_UpdateSentences();
        $source_diff = $update->DifferencebetweenOriginalFileandModifiedFile($source_outofdate_sentences, $source_modified_sentences, $this->alignments, $this->translator, 'en', 'fr', 1);
        $target_diff = $update->DifferencebetweenOriginalFileandModifiedFile($target_outofdate_sentences, $target_modified_sentences, $this->alignments, $this->translator, 'en', 'fr', 0);

        for ($a = 0, $aCountSourceDiff = count($source_diff); $a < $aCountSourceDiff; $a++) {
            $source_diff[$a] = trim($source_diff[$a]);
        }

        for ($a = 0, $aCountTargetDiff = count($target_diff); $a < $aCountTargetDiff; $a++) {
            $target_diff[$a] = trim($target_diff[$a]);
            if ($target_diff[$a] == '+dummy') {
                unset($target_diff[$a]);
            }
        }
        $target_diff = array_values($target_diff);
        for ($a = 0, $aCountSourceDiff = count($source_diff); $a < $aCountSourceDiff; $a++) {
            $index = 0;
            $i = 2;
            if ($source_diff[$a] == '' || ($source_diff[$a][0] != '+')) {
                $pat = 0;
                if ($source_diff[$a] != '' && $source_diff[$a][0] == '<' && is_numeric($source_diff[$a][1])) {
                    $b = 2;
                    while (is_numeric($source_diff[$a][$b])) {
                        $b++;
                    }
                    if ($source_diff[$a][$b] == '>') {
                        $pat = 1;
                    }
                }
                if ($source_diff[$a] == '' || $pat == 0) {
                    $index = array_search($source_diff[$a], $source_diff);
                    $index++;
                    $first = 0;
                    while (($c = $this->array_search_function($source_diff[$a], $source_diff, $index)) != -1) {
                        $first = 1;
                        $source_diff[$c] = '<$i>' . $source_diff[$c];
                        $i++;
                        $index = $c + 1;
                    }
                    $source_diff[$a] = '<1>' . $source_diff[$a];
                }
            }
        }

        for ($a = 0, $aCountTargetDiff = count($target_diff); $a < $aCountTargetDiff; $a++) {
            $index = 1;
            $i = 2;
            if ($target_diff[$a] == '' || ($target_diff[$a][0] != '+')) {
                $pat = 0;
                if ($target_diff[$a] != '' && $target_diff[$a][0] == '<' && is_numeric($target_diff[$a][1])) {
                    $b = 2;
                    while (is_numeric($target_diff[$a][$b])) {
                        $b++;
                    }
                    if ($target_diff[$a][$b] == '>') {
                        $pat = 1;
                    }
                }
                if ($target_diff[$a] == '' || $pat == 0) {
                    $index = array_search($target_diff[$a], $target_diff);
                    $index++;
                    $first = 0;
                    while (($c = $this->array_search_function($target_diff[$a], $target_diff, $index)) != -1) {
                        $first = 1;
                        $target_diff[$c] = '<$i>' . $target_diff[$c];
                        $i++;
                        $index = $c + 1;
                    }
                    $target_diff[$a] = '<1>' . $target_diff[$a];
                }
            }
        }

        $final_updated = $update->FinalUpdatedFileinTagetLanguage($source_diff, $target_diff);
            /*
                 echo "final_updated_sentences<br/>";
                 foreach ($final_updated as $item)
                 echo "sentence-> ".$item."<br/>";
                 $content = implode(' ', $final_updated);
                 echo "$content<br/>";
                 if (strcmp("Firefox supporte les caract�res internationaux pour des langues tel que lindien. Added_Source This is a test statement. Vous pouvez tester le support Firefox des scripts indiens sur BBC indien. La plupart des sites qui ont besoin de polices suppl�mentaires vont avoir une page qui d�crit o� vous pouvez obtenir la police.", $content)==0)
                 echo "match<br/>";
                 else
                 echo "fail";
             */
        return $final_updated;
    }

    public function SetAlignment($source_file, $target_file, $source_lng, $target_lng)
    {
        $source_array = explode('<br/>', $source_file);
        $target_array = explode('<br/>', $target_file);
//      for ($i=1; $i<count($target_array); $i++) {
//          $target_array[$i]=utf8_decode($target_array[$i]);
//      }
        for ($i = 0, $iCountSourceArray = count($source_array); $i < $iCountSourceArray; $i++) {
                $this->alignments->addSentencePair($source_array[$i], $source_lng, $target_array[$i], $target_lng);
        }
    }


    public function array_search_function($temp, $array, $index)
    {
        $i = 0;
        for ($i = $index, $iCountArray = count($array); $i < $iCountArray; $i++) {
            $val = $array[$i];
            if (strcmp($temp, $val) == 0) {
                return $i;
            }
        }
        return -1;
    }
}

// algorithm can be checked by running through these instructions
/*
     $source_lng="en";
     $target_lng="fr";
     $source_outofdate="Firefox supports international characters for languages such as Hindi. You can test your Firefoxs support of Hindi scripts at BBC Hindi.Most sites that require additional fonts will have a page describing where you can get the font.";
     $source_modified="Firefox supports international characters for languages such as Hindi. You can test your Firefoxs support of Hindi scripts at BBC Hindi.Most sites that require additional fonts will have a page describing where you can get the font.";
     $target_outofdate="Firefox supporte les caract�res internationaux pour des langues tel que lindien. Vous pouvez tester le support Firefox des scripts indiens sur BBC indien.La plupart des sites qui ont besoin de polices suppl�mentaires vont avoir une page qui d�crit o� vous pouvez obtenir la police.";
     $target_modified="Firefox supporte les caract�res internationaux pour des langues tel que lindien. Vous pouvez tester le support Firefox des scripts indiens sur BBC indien. C'est une d�claration d'essai.La plupart des sites qui ont besoin de polices suppl�mentaires vont avoir une page qui d�crit o� vous pouvez obtenir la police.";
     $source_alignment="Firefox supports international characters for languages such as Hindi.<br/>You can test your Firefoxs support of Hindi scripts at BBC Hindi.<br/>Most sites that require additional fonts will have a page describing where you can get the font.";
     $target_alignment="Firefox supporte les caract�res internationaux pour des langues tel que lindien.<br/>Vous pouvez tester le support Firefox des scripts indiens sur BBC indien.<br/>La plupart des sites qui ont besoin de polices suppl�mentaires vont avoir une page qui d�crit o� vous pouvez obtenir la police.";

     $source_Mtranslation="This is a test statement.";
     $target_Mtranslation="C'est une d�claration d'essai.";
 */

//      $source_lng="en";
//      $target_lng="fr";
//      $source_outofdate="Firefox supports international characters for languages such as Hindi. You can test your Firefoxs support of Hindi scripts at BBC Hindi.Most sites that require additional fonts will have a page describing where you can get the font.";
//      $source_modified="Firefox supports international characters for languages such as Hindi.This is a test statement. You can test your Firefoxs support of Hindi scripts at BBC Hindi.Most sites that require additional fonts will have a page describing where you can get the font.";
//      $target_outofdate="Firefox supporte les caract�res internationaux pour des langues tel que lindien. Vous pouvez tester le support Firefox des scripts indiens sur BBC indien.La plupart des sites qui ont besoin de polices suppl�mentaires vont avoir une page qui d�crit o� vous pouvez obtenir la police.";
//      $target_modified="Firefox supporte les caract�res internationaux pour des langues tel que lindien. Vous pouvez tester le support Firefox des scripts indiens sur BBC indien.La plupart des sites qui ont besoin de polices suppl�mentaires vont avoir une page qui d�crit o� vous pouvez obtenir la police.";
//      $source_alignment="Firefox supports international characters for languages such as Hindi.<br/>You can test your Firefoxs support of Hindi scripts at BBC Hindi.<br/>Most sites that require additional fonts will have a page describing where you can get the font.";
//      $target_alignment="Firefox supporte les caract�res internationaux pour des langues tel que lindien.<br/>Vous pouvez tester le support Firefox des scripts indiens sur BBC indien.<br/>La plupart des sites qui ont besoin de polices suppl�mentaires vont avoir une page qui d�crit o� vous pouvez obtenir la police.";
//
//      $source_Mtranslation="This is a test statement.";
//      $target_Mtranslation="C'est une d�claration d'essai.";
//
//  $test=new Multilingual_Aligner_UpdatePages();
//  $test->setUp();
//  $test->SetAlignment($source_alignment,$target_alignment,$source_lng,$target_lng);
//  $test->translator->SetMT($source_Mtranslation,$source_Mtranslation,$source_lng,$target_lng);
//  $test->UpdatingTargetPage($source_outofdate,$source_modified,$target_outofdate,$target_modified,$source_lng,$target_lng);