<?php

/**
 * File: page_page.php.
 * Author: Ulrich Block
 * Contact: <ulrich.block@easy-wi.com>
 *
 * This file is part of Easy-WI.
 *
 * Easy-WI is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Easy-WI is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Easy-WI.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Diese Datei ist Teil von Easy-WI.
 *
 * Easy-WI ist Freie Software: Sie koennen es unter den Bedingungen
 * der GNU General Public License, wie von der Free Software Foundation,
 * Version 3 der Lizenz oder (nach Ihrer Wahl) jeder spaeteren
 * veroeffentlichten Version, weiterverbreiten und/oder modifizieren.
 *
 * Easy-WI wird in der Hoffnung, dass es nuetzlich sein wird, aber
 * OHNE JEDE GEWAEHELEISTUNG, bereitgestellt; sogar ohne die implizite
 * Gewaehrleistung der MARKTFAEHIGKEIT oder EIGNUNG FUER EINEN BESTIMMTEN ZWECK.
 * Siehe die GNU General Public License fuer weitere Details.
 *
 * Sie sollten eine Kopie der GNU General Public License zusammen mit diesem
 * Programm erhalten haben. Wenn nicht, siehe <http://www.gnu.org/licenses/>.
 */

if (!isset($page_include)) {
    header('Location: index.php');
    die;
}

if (isset($default_page_id)) {
	$page_id = $default_page_id;
} else if (isset($page_category,$page_data->pages_array['pages']) and in_array($page_category,$page_data->pages_array['pages'])) {
	$page_id = array_search($page_category,$page_data->pages_array['pages']);
} else {
	$page_id = $ui->id('id',19, 'get');
}

if (isset($page_id) and is_numeric($page_id)) {

    function pre_replace($m) {
        return str_replace($m[1], htmlentities($m[1]), $m[0]);
    }

	$query = $sql->prepare("SELECT t.`title`,t.`text`,t.`id`,p.`subpage` FROM `page_pages` p LEFT JOIN `page_pages_text` t ON p.`id`=t.`pageid` WHERE p.`id`=? AND `type`='page' AND t.`language`=? AND p.`released`='1' AND p.`resellerid`='0' LIMIT 1");
	$query->execute(array($page_id ,$user_language));
	foreach ($query->fetchAll(PDO::FETCH_ASSOC) as $row) {

        $page_keywords = array();
        $tag_tags = array();

        $page_data->title = $row['title'];
		$page_title = $row['title'];
        $breadcrumbID = $row['subpage'];
        $breadcrumbPageID = $page_id;

		$page_text = str_replace('%url%', $page_data->pageurl, $row['text']);
        $page_text = preg_replace_callback('/<pre.*?>(.*?)<\/pre>/imsu', 'pre_replace', $page_text);


		$query2 = $sql->prepare("SELECT t.`name` FROM `page_terms_used` u LEFT JOIN `page_terms` t ON u.`term_id`=t.`id` WHERE u.`language_id`=? AND u.`resellerid`='0' ORDER BY t.`name` DESC");
		$query2->execute(array($row['id']));
		foreach ($query2->fetchAll(PDO::FETCH_ASSOC) as $row2) {
			$page_data->AddData('keywords', $row2['name']);
            $tag_tags[] = ($seo == 'Y') ? '<a href=' . $page_url. '/' . $user_language. '/' . $page_sprache->tag . '/' . strtolower(szrp($row2['name'])) . '/>' . $row2['name'] . '</a>' : '<a href=' . $page_url . '/index.php?site=tag&amp;tag=' . strtolower(szrp($row2['name'])) . '/>' . $row2['name'] . '</a>';
		}
	}

    $breadcrumbs = array();

    $query = $sql->prepare("SELECT p.`id`,p.`subpage`,t.`title` FROM `page_pages` p LEFT JOIN `page_pages_text` t ON p.`id`=t.`pageid` WHERE p.`id`=? AND t.`language`=? AND `type`='page' AND p.`released`='1' AND p.`resellerid`='0' LIMIT 1");

    while (isset($breadcrumbID) and isid($breadcrumbID, 19) and $breadcrumbID != $breadcrumbPageID) {

        $query->execute(array($breadcrumbID, $user_language));
        unset($breadcrumbID);

        foreach ($query->fetchAll(PDO::FETCH_ASSOC) as $row) {

            $link = (isset($seo) and $seo == 'Y') ? $page_data->pageurl . '/' . $user_language . '/' . szrp($row['title']) . '/' : $page_data->pageurl . '?s=page&amp;l=' . $user_language . '&amp;id=' . $row['id'];

            $breadcrumbs[] = array('href' => '<a href="' . $link . '">' . $row['title'] . '</a>', 'link' => $link);
            $breadcrumbID = $row['subpage'];
            $breadcrumbPageID = $row['id'];
        }

    }

    $breadcrumbs = array_reverse($breadcrumbs);

    if (isset($page_title)) {

        $page_data->setCanonicalUrl('page', $page_id);

        $template_file = 'page_page.tpl';

    } else {
        $template_file =  'page_404.tpl';
    }

} else if ($s == 'about') {

    $page_keywords = array();
    $tag_tags = array();

    $query = $sql->prepare("SELECT t.`text` FROM `page_pages` p LEFT JOIN `page_pages_text` t ON p.`id`=t.`pageid` WHERE `type`='about' AND t.`language`=? AND p.`resellerid`='0' LIMIT 1");
    $query->execute(array($user_language));
    $page_text = nl2br($query->fetchColumn());
    $page_title = $page_sprache->about;
    $page_data->title = $page_sprache->about;
    $page_data->setCanonicalUrl($s);
    $template_file = 'page_page.tpl';

} else if ($s == 'search') {

    $searchStringValue = htmlentities($ui->escaped('search', 'post'), ENT_QUOTES, 'UTF-8');

    if ($ui->escaped('search', 'post')) {
        $results = array();
        $searchFor = array('general' => array(),'exact' => array());
        $searchString = preg_replace("/\s+/",' ', $ui->escaped('search', 'post'));
        $searchFor['exact'][]=strtolower($searchString);

        if (strpos($searchString,'"') === false) {

            foreach (preg_split('/\s+/', $searchString, -1, PREG_SPLIT_NO_EMPTY) as $v) {
                $searchFor['general'][] = strtolower($v);
            }

        } else {

            $checkForEnd = false;
            $split = explode('"', $searchString);

            foreach ($split as $v) {
                if ($v != '' and $checkForEnd == false) {

                    foreach (preg_split('/\s+/', $v, -1, PREG_SPLIT_NO_EMPTY) as $v2) {
                        $searchFor['general'][]=strtolower($v2);
                    }

                    $checkForEnd = true;

                } else if ($v != '' and $checkForEnd == true) {

                    $searchFor['exact'][] = strtolower($v);
                    $checkForEnd = false;

                } else if ($v== '' and $checkForEnd == false) {
                    $checkForEnd = true;
                }
            }
        }

        $searchFor['exact'] = array_unique($searchFor['exact']);
        $searchFor['general'] = array_unique($searchFor['general']);

        function returnRating ($value, $exact = false) {

            global $sql, $newssidebar_textlength, $page_data, $results, $seo;

            $query = $sql->prepare("SELECT t.`id`,p.`id` AS `pageID`,p.`type`,t.`shortlink`,t.`title`,t.`text`,t.`language` FROM `page_pages` p LEFT JOIN `page_pages_text` t ON p.`id`=t.`pageid` WHERE p.`released`=1 AND p.`resellerid`=0 AND (LOWER(t.`shortlink`) LIKE :search OR LOWER(t.`title`) LIKE :search OR LOWER(t.`text`) LIKE :search)");
            $query->execute(array(':search' => '%' . $value . '%'));
            foreach ($query->fetchAll(PDO::FETCH_ASSOC) as $row) {

                if (!isset($titleLanguages[$row['language']])) {
                    $titleLanguages[$row['language']] = array('page' => getlanguagefile('page', $row['language'], 0), 'general' => getlanguagefile('general', $row['language'], 0));
                }

                $text = (strlen($row['text']) <= $newssidebar_textlength) ? $row['text'] : substr($row['text'], 0, $newssidebar_textlength) . ' ...';

                $title = $row['title'];

                if ($row['type'] == 'news' and isset($seo) and $seo == 'Y') {

                    $type = (string) $titleLanguages[$row['language']]['general']->news;
                    $link = $page_data->pageurl . '/' . $row['language'] . '/' . szrp($titleLanguages[$row['language']]['general']->news) . '/' . szrp($row['title']) . '/';

                } else if ($row['type'] == 'news') {

                    $type = (string) $titleLanguages[$row['language']]['general']->news;
                    $link = $page_data->pageurl . '?s=news&amp;l=' . $row['language'] . '&amp;id=' . $row['pageID'];

                } else if ($row['type'] == 'page' and isset($seo) and $seo == 'Y') {

                    $type = (string) $titleLanguages[$row['language']]['general']->page;
                    $link = $page_data->pageurl . '/' . $row['language'] . '/' . szrp($row['title']) . '/';

                } else if ($row['type'] == 'page') {

                    $type = (string) $titleLanguages[$row['language']]['general']->page;
                    $link = $page_data->pageurl . '?s=page&amp;l=' . $row['language'] . '&amp;id=' . $row['pageID'];

                } else if ($row['type'] == 'about' and isset($seo) and $seo == 'Y') {

                    $type = (string) $titleLanguages[$row['language']]['page']->about;
                    $title = (string) $titleLanguages[$row['language']]['page']->about;
                    $link = $page_data->pageurl . '/' . $row['language'] . '/' . szrp($titleLanguages[$row['language']]['page']->about) . '/';

                } else if ($row['type'] == 'about') {

                    $type = (string) $titleLanguages[$row['language']]['page']->about;
                    $title = (string) $titleLanguages[$row['language']]['page']->about;
                    $link = $page_data->pageurl . '/?s=news&amp;l=' . $row['language'];

                }

                if (!isset($link)) {
                    $link='#';
                }

                if ($exact == true) {
                    $worth = substr_count(strtolower($row['title']), strtolower($value)) * 16;
                    $worth += substr_count(strtolower($row['text']), strtolower($value)) * 2;
                } else {
                    $worth = substr_count(strtolower($row['title']), strtolower($value)) * 12;
                    $worth += substr_count(strtolower($row['text']), strtolower($value));
                }

                $href = '<a href="' . $link.'" title="' . $title.'">' . $title.'</a>';

                if (isset($results[$row['id']])) {
                    $oldWorth = $results[$row['id']]['worth'];
                    $hits = $results[$row['id']]['hits'];
                    $hits[] = $value;
                    $hits = array_unique($hits);
                    $worth += $oldWorth;
                    unset($results[$row['id']]);
                } else {
                    $hits=array($value);
                }

                $results[$row['id']] = array('textID' => $row['id'], 'pageID' => $row['pageID'], 'language' => $row['language'], 'type' => $type, 'worth' => $worth, 'href' => $href, 'title' => $title, 'link' => $link, 'text' => str_replace('%url%', $page_data->pageurl, $text), 'hits' => $hits);

            }

            return $results;
        }

        $resultsArray = array();

        foreach ($searchFor['general'] as $v) {
            foreach (returnRating($v) as $key => $val) {
                $results[$key] = $val;
            }
        }

        foreach ($searchFor['exact'] as $v) {
            foreach (returnRating($v) as $key => $val) {
                $results[$key] = $val;
            }
        }
        foreach ($results as $k => $v) {
            unset($results[$k]);
            $resultsArray[$v['worth']][$v['textID']] = $v;
        }

        krsort($resultsArray);
        $results = array();
        $exists = array();

        foreach ($resultsArray as $key => $val) {
            foreach ($val as $k => $v) {
                if (!in_array($key, $exists)) {
                    unset($resultsArray[$key][$k]);
                    $results[] = $v;
                    $exists[] = $key;
                }
            }
        }

        unset($resultsArray, $searchFor, $searchString, $exists);

    }

    $page_data->setCanonicalUrl($s);
    $page_data->title = $page_sprache->search;
    $template_file = 'page_search.tpl';

} else if ($s == 'home') {

    $page_data->setCanonicalUrl();
    $template_file = 'page_home.tpl';

} else if ($s == 'sitemap') {

    $page_data->setCanonicalUrl($s);
    $page_data->title = $page_sprache->sitemap;
    $template_file = 'page_sitemap.tpl';

} else if ($s == 'gallery') {

    $page_data->setCanonicalUrl($s);
    $page_data->title = $page_sprache->gallery;
    $template_file = 'page_gallery.tpl';

} else if (isset($admin_id) and $ui->smallletters('preview', 4, 'get') == 'true') {

    $page_keywords = array();
    $tag_tags = array();

	if (is_array($ui->escaped('text', 'post')) or is_object($ui->escaped('text', 'post'))) {

		foreach ($ui->escaped('text', 'post') as $key => $value) {
			$page_title = $ui->htmlcode('title', 'post', $key);
            $page_data->title = $ui->htmlcode('title', 'post', $key);
            $page_text=str_replace('%url%', $page_data->pageurl, $value);
		}

	} else {
		$page_title = $ui->escaped('title', 'post');
        $page_data->title = $ui->escaped('title', 'post');
        $page_text=str_replace('%url%', $page_data->pageurl, $ui->escaped('text', 'post'));
	}

    $template_file = (isset($page_title)) ? 'page_page.tpl' : 'page_404.tpl';
}

// https://github.com/easy-wi/developer/issues/62
$langLinks = array();

if (isset($s) and $s == 'page') {

    $query = $sql->prepare("SELECT `title`,`language` FROM `page_pages_text` WHERE `pageid`=?");
    $query->execute(array($page_id));
    foreach ($query->fetchAll(PDO::FETCH_ASSOC) as $row) {
        $langLinks[$row['language']] = ($page_data->seo == 'Y') ? szrp($row['title'])  : '?s=page&amp;id=' . $page_id;
    }

} else if (isset($s)) {

    foreach ($languages as $l) {

        $tempLanguage = getlanguagefile('page', $l, 0);

        $langLinks[$l] = ($page_data->seo== 'Y') ? szrp($tempLanguage->$s)  : '?s=' . $s;

    }

}

$page_data->langLinks($langLinks);