<?php
/**
 * @version    2.8.x
 * @package    K2
 * @author     JoomlaWorks http://www.joomlaworks.net
 * @copyright  Copyright (c) 2006 - 2017 JoomlaWorks Ltd. All rights reserved.
 * @license    GNU/GPL license: http://www.gnu.org/copyleft/gpl.html
 */

// no direct access
defined('_JEXEC') or die;

class Com_K2InstallerScript
{
    public function postflight($type, $parent)
    {
        $db = JFactory::getDbo();
        $status = new stdClass;
        $status->modules = array();
        $status->plugins = array();
        $src = $parent->getParent()->getPath('source');
        $manifest = $parent->getParent()->manifest;
        $plugins = $manifest->xpath('plugins/plugin');
        foreach ($plugins as $plugin)
        {
            $name = (string)$plugin->attributes()->plugin;
            $group = (string)$plugin->attributes()->group;
            $path = $src.'/plugins/'.$group;
            if (JFolder::exists($src.'/plugins/'.$group.'/'.$name))
            {
                $path = $src.'/plugins/'.$group.'/'.$name;
            }
            $installer = new JInstaller;
            $result = $installer->install($path);
            if ($result && $group != 'finder')
            {
                if (JFile::exists(JPATH_SITE.'/plugins/'.$group.'/'.$name.'/'.$name.'.xml'))
                {
                    JFile::delete(JPATH_SITE.'/plugins/'.$group.'/'.$name.'/'.$name.'.xml');
                }
                JFile::move(JPATH_SITE.'/plugins/'.$group.'/'.$name.'/'.$name.'.j25.xml', JPATH_SITE.'/plugins/'.$group.'/'.$name.'/'.$name.'.xml');
            }
            if($group != 'finder')
            {
                $query = "UPDATE #__extensions SET enabled=1 WHERE type='plugin' AND element=".$db->Quote($name)." AND folder=".$db->Quote($group);
                $db->setQuery($query);
                $db->query();
            }
            $status->plugins[] = array('name' => $name, 'group' => $group, 'result' => $result);
        }
        $modules = $manifest->xpath('modules/module');
        foreach ($modules as $module)
        {
            $name = (string)$module->attributes()->module;
            $client = (string)$module->attributes()->client;
            if (is_null($client))
            {
                $client = 'site';
            }
            ($client == 'administrator') ? $path = $src.'/administrator/modules/'.$name : $path = $src.'/modules/'.$name;

            if($client == 'administrator')
            {
                $db->setQuery("SELECT id FROM #__modules WHERE `module` = ".$db->quote($name));
                $isUpdate = (int)$db->loadResult();
            }

            $installer = new JInstaller;
            $result = $installer->install($path);
            if ($result)
            {
                $root = $client == 'administrator' ? JPATH_ADMINISTRATOR : JPATH_SITE;
                if (JFile::exists($root.'/modules/'.$name.'/'.$name.'.xml'))
                {
                    JFile::delete($root.'/modules/'.$name.'/'.$name.'.xml');
                }
                JFile::move($root.'/modules/'.$name.'/'.$name.'.j25.xml', $root.'/modules/'.$name.'/'.$name.'.xml');
            }
            $status->modules[] = array('name' => $name, 'client' => $client, 'result' => $result);
            if($client == 'administrator' && !$isUpdate)
            {
                $position = version_compare(JVERSION, '3.0', '<') && $name == 'mod_k2_quickicons'? 'icon' : 'cpanel';
                $db->setQuery("UPDATE #__modules SET `position`=".$db->quote($position).",`published`='1' WHERE `module`=".$db->quote($name));
                $db->query();

                $db->setQuery("SELECT id FROM #__modules WHERE `module` = ".$db->quote($name));
                $id = (int)$db->loadResult();

                $db->setQuery("INSERT IGNORE INTO #__modules_menu (`moduleid`,`menuid`) VALUES (".$id.", 0)");
                $db->query();
            }
        }

        if (JFile::exists(JPATH_ADMINISTRATOR.'/components/com_k2/admin.k2.php'))
        {
            JFile::delete(JPATH_ADMINISTRATOR.'/components/com_k2/admin.k2.php');
        }

        if (JFile::exists(JPATH_ADMINISTRATOR.'/components/com_k2/models/cpanel.php'))
        {
            JFile::delete(JPATH_ADMINISTRATOR.'/components/com_k2/models/cpanel.php');
        }

        if (version_compare(JVERSION, '3.0', 'lt') && JFolder::exists(JPATH_ADMINISTRATOR.'/components/com_joomfish/contentelements'))
        {
            $elements = $manifest->xpath('joomfish/file');
            foreach ($elements as $element)
            {
                JFile::copy($src.'/administrator/components/com_joomfish/contentelements/'.$element->data(), JPATH_ADMINISTRATOR.'/components/com_joomfish/contentelements/'.$element->data());
            }
        }

        // Clean up empty entries in #__k2_users table caused by an issue in the K2 user plugin. Fix details: http://code.google.com/p/getk2/source/detail?r=1966
        $query = "DELETE FROM #__k2_users WHERE userID = 0";
        $db->setQuery($query);
        $db->query();

        /*
	    // TO DO: Check main folders for 0755 first and then apply this fix
        // Fix media manager folder permissions
        set_time_limit(0);
        jimport('joomla.filesystem.folder');
        jimport('joomla.filesystem.path');
        $params = JComponentHelper::getParams('com_media');
        $root = $params->get('file_path', 'media');
        $mediaPath = JPATH_SITE.'/'.JPath::clean($root);
        $folders = JFolder::folders($mediaPath, '.', true, true, array());
        foreach($folders as $folder)
        {
            @chmod($folder, 0755);
        }
        if(JFolder::exists($mediaPath.'/'.'.tmb'))
        {
            @chmod($mediaPath.'/'.'.tmb', 0755);
        }
        if(JFolder::exists($mediaPath.'/'.'.quarantine'))
        {
            @chmod($mediaPath.'/'.'.quarantine', 0755);
        }
        */

        $this->installationResults($status);
    }

    public function uninstall($parent)
    {
        $db = JFactory::getDbo();
        $status = new stdClass;
        $status->modules = array();
        $status->plugins = array();
        $manifest = $parent->getParent()->manifest;
        $plugins = $manifest->xpath('plugins/plugin');
        foreach ($plugins as $plugin)
        {
            $name = (string)$plugin->attributes()->plugin;
            $group = (string)$plugin->attributes()->group;
            $query = "SELECT `extension_id` FROM #__extensions WHERE `type`='plugin' AND element = ".$db->Quote($name)." AND folder = ".$db->Quote($group);
            $db->setQuery($query);
            $extensions = $db->loadColumn();
            if (count($extensions))
            {
                foreach ($extensions as $id)
                {
                    $installer = new JInstaller;
                    $result = $installer->uninstall('plugin', $id);
                }
                $status->plugins[] = array('name' => $name, 'group' => $group, 'result' => $result);
            }
        }
        $modules = $manifest->xpath('modules/module');
        foreach ($modules as $module)
        {
            $name = (string)$module->attributes()->module;
            $client = (string)$module->attributes()->client;
            $db = JFactory::getDbo();
            $query = "SELECT `extension_id` FROM `#__extensions` WHERE `type`='module' AND element = ".$db->Quote($name)."";
            $db->setQuery($query);
            $extensions = $db->loadColumn();
            if (count($extensions))
            {
                foreach ($extensions as $id)
                {
                    $installer = new JInstaller;
                    $result = $installer->uninstall('module', $id);
                }
                $status->modules[] = array('name' => $name, 'client' => $client, 'result' => $result);
            }
        }
        $this->uninstallationResults($status);
    }

    public function update($type)
    {
        $db = JFactory::getDbo();

        $fields = $db->getTableColumns('#__k2_categories');
        if (!array_key_exists('language', $fields))
        {
            $query = "ALTER TABLE #__k2_categories ADD `language` CHAR(7) NOT NULL";
            $db->setQuery($query);
            $db->query();

            $query = "ALTER TABLE #__k2_categories ADD INDEX (`language`)";
            $db->setQuery($query);
            $db->query();
        }

        $fields = $db->getTableColumns('#__k2_items');
        if (!array_key_exists('featured_ordering', $fields))
        {
            $query = "ALTER TABLE #__k2_items ADD `featured_ordering` INT(11) NOT NULL default '0' AFTER `featured`";
            $db->setQuery($query);
            $db->query();
        }
        if (!array_key_exists('language', $fields))
        {
            $query = "ALTER TABLE #__k2_items ADD `language` CHAR(7) NOT NULL";
            $db->setQuery($query);
            $db->query();

            $query = "ALTER TABLE #__k2_items ADD INDEX (`language`)";
            $db->setQuery($query);
            $db->query();
        }
        if ($fields['video'] != 'text')
        {
            $query = "ALTER TABLE #__k2_items MODIFY `video` TEXT";
            $db->setQuery($query);
            $db->query();
        }
        if ($fields['introtext'] == 'text')
        {
            $query = "ALTER TABLE #__k2_items MODIFY `introtext` MEDIUMTEXT";
            $db->setQuery($query);
            $db->query();
        }
        if ($fields['fulltext'] == 'text')
        {
            $query = "ALTER TABLE #__k2_items MODIFY `fulltext` MEDIUMTEXT";
            $db->setQuery($query);
            $db->query();
        }

        /*
	    // TO DO: Use the following info to remove FULLTEXT attributes from the items & tags tables
        $query = "SHOW INDEX FROM #__k2_items";
        $db->setQuery($query);
        $indexes = $db->loadObjectList();
        $indexExists = false;
        foreach ($indexes as $index)
        {
            if ($index->Key_name == 'search')
                $indexExists = true;
        }

        if (!$indexExists)
        {
            $query = "ALTER TABLE #__k2_items ADD FULLTEXT `search` (`title`,`introtext`,`fulltext`,`extra_fields_search`,`image_caption`,`image_credits`,`video_caption`,`video_credits`,`metadesc`,`metakey`)";
            $db->setQuery($query);
            $db->query();

            $query = "ALTER TABLE #__k2_items ADD FULLTEXT (`title`)";
            $db->setQuery($query);
            $db->query();
        }

        $query = "SHOW INDEX FROM #__k2_tags";
        $db->setQuery($query);
        $indexes = $db->loadObjectList();
        $indexExists = false;
        foreach ($indexes as $index)
        {
            if ($index->Key_name == 'name')
                $indexExists = true;
        }

        if (!$indexExists)
        {
            $query = "ALTER TABLE #__k2_tags ADD FULLTEXT (`name`)";
            $db->setQuery($query);
            $db->query();
        }
        */

        // Add index for comments count
        $query = "SHOW INDEX FROM #__k2_comments";
        $db->setQuery($query);
        $indexes = $db->loadObjectList();
        $indexExists = false;
        foreach ($indexes as $index)
        {
            if ($index->Key_name == 'countComments')
                $indexExists = true;
        }

        if (!$indexExists)
        {
            $query = "ALTER TABLE #__k2_comments ADD INDEX `countComments` (`itemID`, `published`)";
            $db->setQuery($query);
            $db->query();
        }

        $query = "SELECT COUNT(*) FROM #__k2_user_groups";
        $db->setQuery($query);
        $num = $db->loadResult();

        if ($num == 0)
        {
            $query = "INSERT INTO #__k2_user_groups (`id`, `name`, `permissions`) VALUES('', 'Registered', '{\"comment\":\"1\",\"frontEdit\":\"0\",\"add\":\"0\",\"editOwn\":\"0\",\"editAll\":\"0\",\"publish\":\"0\",\"inheritance\":0,\"categories\":\"all\"}')";
            $db->setQuery($query);
            $db->query();

            $query = "INSERT INTO #__k2_user_groups (`id`, `name`, `permissions`) VALUES('', 'Site Owner', '{\"comment\":\"1\",\"frontEdit\":\"1\",\"add\":\"1\",\"editOwn\":\"1\",\"editAll\":\"1\",\"publish\":\"1\",\"inheritance\":1,\"categories\":\"all\"}')";
            $db->setQuery($query);
            $db->query();
        }

        $fields = $db->getTableColumns('#__k2_users');
        if (!array_key_exists('ip', $fields))
        {
            $query = "ALTER TABLE `#__k2_users`
            ADD `ip` VARCHAR( 15 ) NOT NULL ,
            ADD `hostname` VARCHAR( 255 ) NOT NULL ,
            ADD `notes` TEXT NOT NULL";
            $db->setQuery($query);
            $db->query();
        }

        $query = "CREATE TABLE IF NOT EXISTS `#__k2_log` (
        `status` int(11) NOT NULL,
        `response` text NOT NULL,
        `timestamp` datetime NOT NULL
        ) ENGINE=InnoDB DEFAULT CHARSET=utf8;";
        $db->setQuery($query);
        $db->query();
    }

    private function installationResults($status)
    {
        $language = JFactory::getLanguage();
        $language->load('com_k2');
        $rows = 0; ?>
        <img src="<?php echo JURI::root(true); ?>/media/k2/assets/images/backend/k2_logo_126x48.png" alt="K2" align="right" />
        <h2><?php echo JText::_('K2_INSTALLATION_STATUS'); ?></h2>
        <table class="adminlist table table-striped">
            <thead>
                <tr>
                    <th class="title" colspan="2"><?php echo JText::_('K2_EXTENSION'); ?></th>
                    <th width="30%"><?php echo JText::_('K2_STATUS'); ?></th>
                </tr>
            </thead>
            <tfoot>
                <tr>
                    <td colspan="3"></td>
                </tr>
            </tfoot>
            <tbody>
                <tr class="row0">
                    <td class="key" colspan="2"><?php echo 'K2 '.JText::_('K2_COMPONENT'); ?></td>
                    <td><strong><?php echo JText::_('K2_INSTALLED'); ?></strong></td>
                </tr>
                <?php if (count($status->modules)): ?>
                <tr>
                    <th><?php echo JText::_('K2_MODULE'); ?></th>
                    <th><?php echo JText::_('K2_CLIENT'); ?></th>
                    <th></th>
                </tr>
                <?php foreach ($status->modules as $module): ?>
                <tr class="row<?php echo(++$rows % 2); ?>">
                    <td class="key"><?php echo $module['name']; ?></td>
                    <td class="key"><?php echo ucfirst($module['client']); ?></td>
                    <td><strong><?php echo ($module['result'])?JText::_('K2_INSTALLED'):JText::_('K2_NOT_INSTALLED'); ?></strong></td>
                </tr>
                <?php endforeach; ?>
                <?php endif; ?>
                <?php if (count($status->plugins)): ?>
                <tr>
                    <th><?php echo JText::_('K2_PLUGIN'); ?></th>
                    <th><?php echo JText::_('K2_GROUP'); ?></th>
                    <th></th>
                </tr>
                <?php foreach ($status->plugins as $plugin): ?>
                <tr class="row<?php echo(++$rows % 2); ?>">
                    <td class="key"><?php echo ucfirst($plugin['name']); ?></td>
                    <td class="key"><?php echo ucfirst($plugin['group']); ?></td>
                    <td><strong><?php echo ($plugin['result'])?JText::_('K2_INSTALLED'):JText::_('K2_NOT_INSTALLED'); ?></strong></td>
                </tr>
                <?php endforeach; ?>
                <?php endif; ?>
            </tbody>
        </table>
    <?php
    }

    private function uninstallationResults($status)
    {
    	$language = JFactory::getLanguage();
		$language->load('com_k2');
		$rows = 0;
 ?>
        <h2><?php echo JText::_('K2_REMOVAL_STATUS'); ?></h2>
        <table class="adminlist table table-striped">
            <thead>
                <tr>
                    <th class="title" colspan="2"><?php echo JText::_('K2_EXTENSION'); ?></th>
                    <th width="30%"><?php echo JText::_('K2_STATUS'); ?></th>
                </tr>
            </thead>
            <tfoot>
                <tr>
                    <td colspan="3"></td>
                </tr>
            </tfoot>
            <tbody>
                <tr class="row0">
                    <td class="key" colspan="2"><?php echo 'K2 '.JText::_('K2_COMPONENT'); ?></td>
                    <td><strong><?php echo JText::_('K2_REMOVED'); ?></strong></td>
                </tr>
                <?php if (count($status->modules)): ?>
                <tr>
                    <th><?php echo JText::_('K2_MODULE'); ?></th>
                    <th><?php echo JText::_('K2_CLIENT'); ?></th>
                    <th></th>
                </tr>
                <?php foreach ($status->modules as $module): ?>
                <tr class="row<?php echo(++$rows % 2); ?>">
                    <td class="key"><?php echo $module['name']; ?></td>
                    <td class="key"><?php echo ucfirst($module['client']); ?></td>
                    <td><strong><?php echo ($module['result'])?JText::_('K2_REMOVED'):JText::_('K2_NOT_REMOVED'); ?></strong></td>
                </tr>
                <?php endforeach; ?>
                <?php endif; ?>

                <?php if (count($status->plugins)): ?>
                <tr>
                    <th><?php echo JText::_('K2_PLUGIN'); ?></th>
                    <th><?php echo JText::_('K2_GROUP'); ?></th>
                    <th></th>
                </tr>
                <?php foreach ($status->plugins as $plugin): ?>
                <tr class="row<?php echo(++$rows % 2); ?>">
                    <td class="key"><?php echo ucfirst($plugin['name']); ?></td>
                    <td class="key"><?php echo ucfirst($plugin['group']); ?></td>
                    <td><strong><?php echo ($plugin['result'])?JText::_('K2_REMOVED'):JText::_('K2_NOT_REMOVED'); ?></strong></td>
                </tr>
                <?php endforeach; ?>
                <?php endif; ?>
            </tbody>
        </table>
    <?php
    }
}
