<?php

/**
 * @package     Joomla.Administrator
 * @subpackage  com_redirect
 *
 * @copyright   (C) 2009 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Redirect\Administrator\Model;

use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\MVC\Factory\MVCFactoryInterface;
use Joomla\CMS\MVC\Model\ListModel;
use Joomla\Database\ParameterType;

// phpcs:disable PSR1.Files.SideEffects
\defined('_JEXEC') or die;
// phpcs:enable PSR1.Files.SideEffects

/**
 * Methods supporting a list of redirect links.
 *
 * @since  1.6
 */
class LinksModel extends ListModel
{
    /**
     * Constructor.
     *
     * @param   array                $config   An optional associative array of configuration settings.
     * @param   MVCFactoryInterface  $factory  The factory.
     *
     * @since   1.6
     */
    public function __construct($config = array(), MVCFactoryInterface $factory = null)
    {
        if (empty($config['filter_fields'])) {
            $config['filter_fields'] = array(
                'id', 'a.id',
                'state', 'a.state',
                'old_url', 'a.old_url',
                'new_url', 'a.new_url',
                'referer', 'a.referer',
                'hits', 'a.hits',
                'created_date', 'a.created_date',
                'published', 'a.published',
                'header', 'a.header', 'http_status',
            );
        }

        parent::__construct($config, $factory);
    }
    /**
     * Removes all of the unpublished redirects from the table.
     *
     * @return  boolean result of operation
     *
     * @since   3.5
     */
    public function purge()
    {
        $db = $this->getDatabase();

        $query = $db->getQuery(true);

        $query->delete('#__redirect_links')->where($db->quoteName('published') . '= 0');

        $db->setQuery($query);

        try {
            $db->execute();
        } catch (\Exception $e) {
            return false;
        }

        return true;
    }

    /**
     * Method to auto-populate the model state.
     *
     * Note. Calling getState in this method will result in recursion.
     *
     * @param   string  $ordering   An optional ordering field.
     * @param   string  $direction  An optional direction (asc|desc).
     *
     * @return  void
     *
     * @since   1.6
     */
    protected function populateState($ordering = 'a.old_url', $direction = 'asc')
    {
        // Load the parameters.
        $params = ComponentHelper::getParams('com_redirect');
        $this->setState('params', $params);

        // List state information.
        parent::populateState($ordering, $direction);
    }

    /**
     * Method to get a store id based on model configuration state.
     *
     * This is necessary because the model is used by the component and
     * different modules that might need different sets of data or different
     * ordering requirements.
     *
     * @param   string  $id  A prefix for the store id.
     *
     * @return  string  A store id.
     *
     * @since   1.6
     */
    protected function getStoreId($id = '')
    {
        // Compile the store id.
        $id .= ':' . $this->getState('filter.search');
        $id .= ':' . $this->getState('filter.state');
        $id .= ':' . $this->getState('filter.http_status');

        return parent::getStoreId($id);
    }

    /**
     * Build an SQL query to load the list data.
     *
     * @return  \Joomla\Database\DatabaseQuery
     *
     * @since   1.6
     */
    protected function getListQuery()
    {
        // Create a new query object.
        $db = $this->getDatabase();
        $query = $db->getQuery(true);

        // Select the required fields from the table.
        $query->select(
            $this->getState(
                'list.select',
                'a.*'
            )
        );
        $query->from($db->quoteName('#__redirect_links', 'a'));

        // Filter by published state
        $state = (string) $this->getState('filter.state');

        if (is_numeric($state)) {
            $state = (int) $state;
            $query->where($db->quoteName('a.published') . ' = :state')
                ->bind(':state', $state, ParameterType::INTEGER);
        } elseif ($state === '') {
            $query->whereIn($db->quoteName('a.published'), [0,1]);
        }

        // Filter the items over the HTTP status code header.
        if ($httpStatusCode = $this->getState('filter.http_status')) {
            $httpStatusCode = (int) $httpStatusCode;
            $query->where($db->quoteName('a.header') . ' = :header')
                ->bind(':header', $httpStatusCode, ParameterType::INTEGER);
        }

        // Filter the items over the search string if set.
        $search = $this->getState('filter.search');

        if (!empty($search)) {
            if (stripos($search, 'id:') === 0) {
                $ids = (int) substr($search, 3);
                $query->where($db->quoteName('a.id') . ' = :id');
                $query->bind(':id', $ids, ParameterType::INTEGER);
            } else {
                $search = '%' . str_replace(' ', '%', $db->escape(trim($search), true) . '%');
                $query->where(
                    '(' . $db->quoteName('old_url') . ' LIKE :oldurl'
                    . ' OR ' . $db->quoteName('new_url') . ' LIKE :newurl'
                    . ' OR ' . $db->quoteName('comment') . ' LIKE :comment'
                    . ' OR ' . $db->quoteName('referer') . ' LIKE :referer)'
                )
                    ->bind(':oldurl', $search)
                    ->bind(':newurl', $search)
                    ->bind(':comment', $search)
                    ->bind(':referer', $search);
            }
        }

        // Add the list ordering clause.
        $query->order($db->escape($this->getState('list.ordering', 'a.old_url')) . ' ' . $db->escape($this->getState('list.direction', 'ASC')));

        return $query;
    }

    /**
     * Add the entered URLs into the database
     *
     * @param   array  $batchUrls  Array of URLs to enter into the database
     *
     * @return boolean
     */
    public function batchProcess($batchUrls)
    {
        $db    = $this->getDatabase();
        $query = $db->getQuery(true);

        $params  = ComponentHelper::getParams('com_redirect');
        $state   = (int) $params->get('defaultImportState', 0);
        $created = Factory::getDate()->toSql();

        $columns = [
            'old_url',
            'new_url',
            'referer',
            'comment',
            'hits',
            'published',
            'created_date',
            'modified_date',
        ];

        $values = [
            ':oldurl',
            ':newurl',
            $db->quote(''),
            $db->quote(''),
            0,
            ':state',
            ':created',
            ':modified',
        ];

        $query
            ->insert($db->quoteName('#__redirect_links'), false)
            ->columns($db->quoteName($columns))
            ->values(implode(', ', $values))
            ->bind(':oldurl', $old_url)
            ->bind(':newurl', $new_url)
            ->bind(':state', $state, ParameterType::INTEGER)
            ->bind(':created', $created)
            ->bind(':modified', $created);

        $db->setQuery($query);

        foreach ($batchUrls as $batch_url) {
            $old_url = $batch_url[0];

            // Destination URL can also be an external URL
            if (!empty($batch_url[1])) {
                $new_url = $batch_url[1];
            } else {
                $new_url = '';
            }

            $db->execute();
        }

        return true;
    }
}