<?php

/**
 * @package     Joomla.Administrator
 * @subpackage  com_languages
 *
 * @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\Languages\Administrator\Model;

use Joomla\CMS\Application\ApplicationHelper;
use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Filesystem\Folder;
use Joomla\CMS\Language\LanguageHelper;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\Factory\MVCFactoryInterface;
use Joomla\CMS\MVC\Model\ListModel;
use Joomla\CMS\Table\Table;
use Joomla\Utilities\ArrayHelper;

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

/**
 * Languages Component Languages Model
 *
 * @since  1.6
 */
class InstalledModel extends ListModel
{
    /**
     * @var object user object
     */
    protected $user = null;

    /**
     * @var string option name
     */
    protected $option = null;

    /**
     * @var array languages description
     */
    protected $data = null;

    /**
     * @var integer total number of languages
     */
    protected $total = null;

    /**
     * @var string language path
     */
    protected $path = null;

    /**
     * Constructor.
     *
     * @param   array                 $config   An optional associative array of configuration settings.
     * @param   ?MVCFactoryInterface  $factory  The factory.
     *
     * @see     \Joomla\CMS\MVC\Model\BaseDatabaseModel
     * @since   3.2
     */
    public function __construct($config = [], ?MVCFactoryInterface $factory = null)
    {
        if (empty($config['filter_fields'])) {
            $config['filter_fields'] = [
                'name',
                'nativeName',
                'language',
                'author',
                'published',
                'version',
                'creationDate',
                'author',
                'authorEmail',
                'extension_id',
                'client_id',
            ];
        }

        parent::__construct($config, $factory);
    }

    /**
     * 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 = 'name', $direction = 'asc')
    {
        // Special case for client id.
        $clientId = (int) $this->getUserStateFromRequest($this->context . '.client_id', 'client_id', 0, 'int');
        $clientId = (!\in_array($clientId, [0, 1])) ? 0 : $clientId;
        $this->setState('client_id', $clientId);

        // Load the parameters.
        $params = ComponentHelper::getParams('com_languages');
        $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('client_id');
        $id .= ':' . $this->getState('filter.search');

        return parent::getStoreId($id);
    }

    /**
     * Method to get the client object.
     *
     * @return  object
     *
     * @since   1.6
     */
    public function getClient()
    {
        return ApplicationHelper::getClientInfo($this->getState('client_id', 0));
    }

    /**
     * Method to get the option.
     *
     * @return  object
     *
     * @since   1.6
     */
    public function getOption()
    {
        $option = $this->getState('option');

        return $option;
    }

    /**
     * Method to get Languages item data.
     *
     * @return  array
     *
     * @since   1.6
     */
    public function getData()
    {
        // Fetch language data if not fetched yet.
        if (\is_null($this->data)) {
            $this->data = [];

            $isCurrentLanguageRtl = Factory::getLanguage()->isRtl();
            $params               = ComponentHelper::getParams('com_languages');
            $installedLanguages   = LanguageHelper::getInstalledLanguages(null, true, true, null, null, null);

            // Compute all the languages.
            foreach ($installedLanguages as $clientId => $languages) {
                $defaultLanguage = $params->get(ApplicationHelper::getClientInfo($clientId)->name, 'en-GB');

                foreach ($languages as $lang) {
                    $row               = new \stdClass();
                    $row->language     = $lang->element;
                    $row->name         = $lang->metadata['name'];
                    $row->nativeName   = $lang->metadata['nativeName'] ?? '-';
                    $row->client_id    = (int) $lang->client_id;
                    $row->extension_id = (int) $lang->extension_id;
                    $row->author       = $lang->manifest['author'];
                    $row->creationDate = $lang->manifest['creationDate'];
                    $row->authorEmail  = $lang->manifest['authorEmail'];
                    $row->version      = $lang->manifest['version'];
                    $row->published    = $defaultLanguage === $row->language ? 1 : 0;
                    $row->checked_out  = null;

                    // Fix wrongly set parentheses in RTL languages
                    if ($isCurrentLanguageRtl) {
                        $row->name       = html_entity_decode($row->name . '&#x200E;', ENT_QUOTES, 'UTF-8');
                        $row->nativeName = html_entity_decode($row->nativeName . '&#x200E;', ENT_QUOTES, 'UTF-8');
                    }

                    $this->data[] = $row;
                }
            }
        }

        $installedLanguages = array_merge($this->data);

        // Process filters.
        $clientId = (int) $this->getState('client_id');
        $search   = $this->getState('filter.search');

        foreach ($installedLanguages as $key => $installedLanguage) {
            // Filter by client id.
            if (\in_array($clientId, [0, 1])) {
                if ($installedLanguage->client_id !== $clientId) {
                    unset($installedLanguages[$key]);
                    continue;
                }
            }

            // Filter by search term.
            if (!empty($search)) {
                if (
                    stripos($installedLanguage->name, $search) === false
                    && stripos($installedLanguage->nativeName, $search) === false
                    && stripos($installedLanguage->language, $search) === false
                ) {
                    unset($installedLanguages[$key]);
                }
            }
        }

        // Process ordering.
        $listOrder          = $this->getState('list.ordering', 'name');
        $listDirn           = $this->getState('list.direction', 'ASC');
        $installedLanguages = ArrayHelper::sortObjects($installedLanguages, $listOrder, strtolower($listDirn) === 'desc' ? -1 : 1, true, true);

        // Process pagination.
        $limit = (int) $this->getState('list.limit', 25);

        // Sets the total for pagination.
        $this->total = \count($installedLanguages);

        if ($limit !== 0) {
            $start = (int) $this->getState('list.start', 0);

            return \array_slice($installedLanguages, $start, $limit);
        }

        return $installedLanguages;
    }

    /**
     * Method to get the total number of Languages items.
     *
     * @return  integer
     *
     * @since   1.6
     */
    public function getTotal()
    {
        if (\is_null($this->total)) {
            $this->getData();
        }

        return $this->total;
    }

    /**
     * Method to set the default language.
     *
     * @param   integer  $cid  Id of the language to publish.
     *
     * @return  boolean
     *
     * @since   1.6
     */
    public function publish($cid)
    {
        if ($cid) {
            $client = $this->getClient();

            $params = ComponentHelper::getParams('com_languages');
            $params->set($client->name, $cid);

            $table = Table::getInstance('extension', 'Joomla\\CMS\\Table\\');
            $id    = $table->find(['element' => 'com_languages']);

            // Load.
            if (!$table->load($id)) {
                $this->setError($table->getError());

                return false;
            }

            $table->params = (string) $params;

            // Pre-save checks.
            if (!$table->check()) {
                $this->setError($table->getError());

                return false;
            }

            // Save the changes.
            if (!$table->store()) {
                $this->setError($table->getError());

                return false;
            }
        } else {
            $this->setError(Text::_('COM_LANGUAGES_ERR_NO_LANGUAGE_SELECTED'));

            return false;
        }

        // Clean the cache of com_languages and component cache.
        $this->cleanCache();
        $this->cleanCache('_system');

        return true;
    }

    /**
     * Method to get the folders.
     *
     * @return  array  Languages folders.
     *
     * @since   1.6
     */
    protected function getFolders()
    {
        if (\is_null($this->folders)) {
            $path          = $this->getPath();
            $this->folders = Folder::folders($path, '.', false, false, ['.svn', 'CVS', '.DS_Store', '__MACOSX', 'pdf_fonts', 'overrides']);
        }

        return $this->folders;
    }

    /**
     * Method to get the path.
     *
     * @return  string  The path to the languages folders.
     *
     * @since   1.6
     */
    protected function getPath()
    {
        if (\is_null($this->path)) {
            $client     = $this->getClient();
            $this->path = LanguageHelper::getLanguagePath($client->path);
        }

        return $this->path;
    }

    /**
     * Method to switch the administrator language.
     *
     * @param   string  $cid  The language tag.
     *
     * @return  boolean
     *
     * @since   3.5
     */
    public function switchAdminLanguage($cid)
    {
        if ($cid) {
            $client = $this->getClient();

            if ($client->name == 'administrator') {
                Factory::getApplication()->setUserState('application.lang', $cid);
            }
        } else {
            Factory::getApplication()->enqueueMessage(Text::_('COM_LANGUAGES_ERR_NO_LANGUAGE_SELECTED'), 'error');

            return false;
        }

        return true;
    }
}