<?php

/**
 * @package     Joomla.Administrator
 * @subpackage  com_associations
 *
 * @copyright   (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Associations\Administrator\View\Associations;

use Joomla\CMS\Factory;
use Joomla\CMS\Language\Associations;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
use Joomla\CMS\Router\Route;
use Joomla\CMS\Toolbar\ToolbarHelper;
use Joomla\Component\Associations\Administrator\Helper\AssociationsHelper;

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

/**
 * View class for a list of articles.
 *
 * @since  3.7.0
 */
class HtmlView extends BaseHtmlView
{
    /**
     * An array of items
     *
     * @var   array
     *
     * @since  3.7.0
     */
    protected $items;

    /**
     * The pagination object
     *
     * @var    \Joomla\CMS\Pagination\Pagination
     *
     * @since  3.7.0
     */
    protected $pagination;

    /**
     * The model state
     *
     * @var    object
     *
     * @since  3.7.0
     */
    protected $state;

    /**
     * Selected item type properties.
     *
     * @var    \Joomla\Registry\Registry
     *
     * @since  3.7.0
     */
    public $itemType = null;

    /**
     * Display the view
     *
     * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
     *
     * @return  void
     *
     * @since  3.7.0
     */
    public function display($tpl = null)
    {
        $this->state         = $this->get('State');
        $this->filterForm    = $this->get('FilterForm');
        $this->activeFilters = $this->get('ActiveFilters');

        if (!Associations::isEnabled()) {
            $link = Route::_('index.php?option=com_plugins&task=plugin.edit&extension_id=' . AssociationsHelper::getLanguagefilterPluginId());
            Factory::getApplication()->enqueueMessage(Text::sprintf('COM_ASSOCIATIONS_ERROR_NO_ASSOC', $link), 'warning');
        } elseif ($this->state->get('itemtype') != '' && $this->state->get('language') != '') {
            $type = null;

            list($extensionName, $typeName) = explode('.', $this->state->get('itemtype'), 2);

            $extension = AssociationsHelper::getSupportedExtension($extensionName);

            $types = $extension->get('types');

            if (\array_key_exists($typeName, $types)) {
                $type = $types[$typeName];
            }

            $this->itemType = $type;

            if (\is_null($type)) {
                Factory::getApplication()->enqueueMessage(Text::_('COM_ASSOCIATIONS_ERROR_NO_TYPE'), 'warning');
            } else {
                $this->extensionName = $extensionName;
                $this->typeName      = $typeName;
                $this->typeSupports  = array();
                $this->typeFields    = array();

                $details = $type->get('details');

                if (\array_key_exists('support', $details)) {
                    $support = $details['support'];
                    $this->typeSupports = $support;
                }

                if (\array_key_exists('fields', $details)) {
                    $fields = $details['fields'];
                    $this->typeFields = $fields;
                }

                // Dynamic filter form.
                // This selectors doesn't have to activate the filter bar.
                unset($this->activeFilters['itemtype']);
                unset($this->activeFilters['language']);

                // Remove filters options depending on selected type.
                if (empty($support['state'])) {
                    unset($this->activeFilters['state']);
                    $this->filterForm->removeField('state', 'filter');
                }

                if (empty($support['category'])) {
                    unset($this->activeFilters['category_id']);
                    $this->filterForm->removeField('category_id', 'filter');
                }

                if ($extensionName !== 'com_menus') {
                    unset($this->activeFilters['menutype']);
                    $this->filterForm->removeField('menutype', 'filter');
                }

                if (empty($support['level'])) {
                    unset($this->activeFilters['level']);
                    $this->filterForm->removeField('level', 'filter');
                }

                if (empty($support['acl'])) {
                    unset($this->activeFilters['access']);
                    $this->filterForm->removeField('access', 'filter');
                }

                // Add extension attribute to category filter.
                if (empty($support['catid'])) {
                    $this->filterForm->setFieldAttribute('category_id', 'extension', $extensionName, 'filter');

                    if ($this->getLayout() == 'modal') {
                        // We need to change the category filter to only show categories tagged to All or to the forced language.
                        if ($forcedLanguage = Factory::getApplication()->input->get('forcedLanguage', '', 'CMD')) {
                            $this->filterForm->setFieldAttribute('category_id', 'language', '*,' . $forcedLanguage, 'filter');
                        }
                    }
                }

                $this->items      = $this->get('Items');
                $this->pagination = $this->get('Pagination');

                $linkParameters = array(
                    'layout'     => 'edit',
                    'itemtype'   => $extensionName . '.' . $typeName,
                    'task'       => 'association.edit',
                );

                $this->editUri = 'index.php?option=com_associations&view=association&' . http_build_query($linkParameters);
            }
        }

        // Check for errors.
        if (\count($errors = $this->get('Errors'))) {
            throw new \Exception(implode("\n", $errors), 500);
        }

        $this->addToolbar();

        parent::display($tpl);
    }

    /**
     * Add the page title and toolbar.
     *
     * @return  void
     *
     * @since  3.7.0
     */
    protected function addToolbar()
    {
        $user = $this->getCurrentUser();

        if (isset($this->typeName) && isset($this->extensionName)) {
            $helper = AssociationsHelper::getExtensionHelper($this->extensionName);
            $title  = $helper->getTypeTitle($this->typeName);

            $languageKey = strtoupper($this->extensionName . '_' . $title . 'S');

            if ($this->typeName === 'category') {
                $languageKey = strtoupper($this->extensionName) . '_CATEGORIES';
            }

            ToolbarHelper::title(
                Text::sprintf(
                    'COM_ASSOCIATIONS_TITLE_LIST',
                    Text::_($this->extensionName),
                    Text::_($languageKey)
                ),
                'language assoc'
            );
        } else {
            ToolbarHelper::title(Text::_('COM_ASSOCIATIONS_TITLE_LIST_SELECT'), 'language assoc');
        }

        if ($user->authorise('core.admin', 'com_associations') || $user->authorise('core.options', 'com_associations')) {
            if (!isset($this->typeName)) {
                ToolbarHelper::custom('associations.purge', 'purge', '', 'COM_ASSOCIATIONS_PURGE', false, false);
                ToolbarHelper::custom('associations.clean', 'refresh', '', 'COM_ASSOCIATIONS_DELETE_ORPHANS', false, false);
            }

            ToolbarHelper::preferences('com_associations');
        }

        ToolbarHelper::help('Multilingual_Associations');
    }
}
