<?php

/**
 * @package     Joomla.Site
 * @subpackage  com_contact
 *
 * @copyright   (C) 2006 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Contact\Site\View\Contact;

use Joomla\CMS\Categories\Categories;
use Joomla\CMS\Factory;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\View\GenericDataException;
use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\CMS\Router\Route;
use Joomla\CMS\User\UserFactoryAwareInterface;
use Joomla\CMS\User\UserFactoryAwareTrait;
use Joomla\Component\Contact\Site\Helper\RouteHelper;
use Joomla\Component\Contact\Site\Model\ContactModel;

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

/**
 * HTML Contact View class for the Contact component
 *
 * @since  1.5
 */
class HtmlView extends BaseHtmlView implements UserFactoryAwareInterface
{
    use UserFactoryAwareTrait;

    /**
     * The item model state
     *
     * @var    \Joomla\Registry\Registry
     *
     * @since  1.6
     */
    protected $state;

    /**
     * The form object for the contact item
     *
     * @var    \Joomla\CMS\Form\Form
     *
     * @since  1.6
     */
    protected $form;

    /**
     * The item object details
     *
     * @var    \stdClass
     *
     * @since  1.6
     */
    protected $item;

    /**
     * The page to return to on submission
     *
     * @var    string
     *
     * @since  1.6
     *
     * @todo Implement this functionality
     */
    protected $return_page = '';

    /**
     * Should we show a captcha form for the submission of the contact request?
     *
     * @var    boolean
     *
     * @since  3.6.3
     */
    protected $captchaEnabled = false;

    /**
     * The page parameters
     *
     * @var    \Joomla\Registry\Registry|null
     *
     * @since  4.0.0
     */
    protected $params = null;

    /**
     * The user object
     *
     * @var    \Joomla\CMS\User\User
     *
     * @since  4.0.0
     */
    protected $user;

    /**
     * Other contacts in this contacts category
     *
     * @var    array
     *
     * @since  4.0.0
     */
    protected $contacts;

    /**
     * The page class suffix
     *
     * @var    string
     *
     * @since  4.0.0
     */
    protected $pageclass_sfx = '';

    /**
     * The flag to mark if the active menu item is linked to the contact being displayed
     *
     * @var    boolean
     *
     * @since  4.0.0
     */
    protected $menuItemMatchContact = false;

    /**
     * Execute and display a template script.
     *
     * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
     *
     * @return  void|boolean
     */
    public function display($tpl = null)
    {
        /** @var ContactModel $model */
        $model      = $this->getModel();
        $app        = Factory::getApplication();
        $user       = $this->getCurrentUser();
        $state      = $model->getState();
        $item       = $model->getItem();
        $this->form = $model->getForm();
        $params     = $state->get('params');
        $contacts   = [];

        $temp = clone $params;

        $active = $app->getMenu()->getActive();

        // If the current view is the active item and a contact view for this contact, then the menu item params take priority
        if (
            $active
            && $active->component == 'com_contact'
            && isset($active->query['view'], $active->query['id'])
            && $active->query['view'] == 'contact'
            && $active->query['id'] == $item->id
        ) {
            $this->menuItemMatchContact = true;

            // Load layout from active query (in case it is an alternative menu item)
            if (isset($active->query['layout'])) {
                $this->setLayout($active->query['layout']);
            } elseif ($layout = $item->params->get('contact_layout')) {
                // Check for alternative layout of contact
                $this->setLayout($layout);
            }

            $item->params->merge($temp);
        } else {
            // Merge so that contact params take priority
            $temp->merge($item->params);
            $item->params = $temp;

            if ($layout = $item->params->get('contact_layout')) {
                $this->setLayout($layout);
            }
        }

        // Collect extra contact information when this information is required
        if ($item && $item->params->get('show_contact_list')) {
            // Get Category Model data
            /** @var \Joomla\Component\Contact\Site\Model\CategoryModel $categoryModel */
            $categoryModel = $app->bootComponent('com_contact')->getMVCFactory()
                ->createModel('Category', 'Site', ['ignore_request' => true]);

            $categoryModel->setState('category.id', $item->catid);
            $categoryModel->setState('list.ordering', 'a.name');
            $categoryModel->setState('list.direction', 'asc');
            $categoryModel->setState('filter.published', 1);

            $contacts = $categoryModel->getItems();
        }

        // Check for errors.
        if (\count($errors = $model->getErrors())) {
            throw new GenericDataException(implode("\n", $errors), 500);
        }

        // Check if access is not public
        $groups = $user->getAuthorisedViewLevels();

        if (!\in_array($item->access, $groups) || !\in_array($item->category_access, $groups)) {
            $app->enqueueMessage(Text::_('JERROR_ALERTNOAUTHOR'), 'error');
            $app->setHeader('status', 403, true);

            return false;
        }

        $options['category_id'] = $item->catid;
        $options['order by']    = 'a.default_con DESC, a.ordering ASC';

        /**
         * Handle email cloaking
         *
         * Keep a copy of the raw email address so it can
         * still be accessed in the layout if needed.
         */
        $item->email_raw = $item->email_to;

        if ($item->email_to && $item->params->get('show_email')) {
            $item->email_to = HTMLHelper::_('email.cloak', $item->email_to, (bool) $item->params->get('add_mailto_link', true));
        }

        if (
            $item->params->get('show_street_address') || $item->params->get('show_suburb') || $item->params->get('show_state')
            || $item->params->get('show_postcode') || $item->params->get('show_country')
        ) {
            if (!empty($item->address) || !empty($item->suburb) || !empty($item->state) || !empty($item->country) || !empty($item->postcode)) {
                $item->params->set('address_check', 1);
            }
        } else {
            $item->params->set('address_check', 0);
        }

        // Manage the display mode for contact detail groups
        switch ($item->params->get('contact_icons')) {
            case 1:
                // Text
                $item->params->set('marker_class', 'jicons-text');
                break;

            case 2:
                // None
                $item->params->set('marker_class', 'jicons-none visually-hidden');
                break;

            default:
                if ($item->params->get('icon_address')) {
                    $item->params->set(
                        'marker_address',
                        HTMLHelper::_('image', $item->params->get('icon_address', ''), '', false)
                    );
                }

                if ($item->params->get('icon_email')) {
                    $item->params->set(
                        'marker_email',
                        HTMLHelper::_('image', $item->params->get('icon_email', ''), '', false)
                    );
                }

                if ($item->params->get('icon_telephone')) {
                    $item->params->set(
                        'marker_telephone',
                        HTMLHelper::_('image', $item->params->get('icon_telephone', ''), '', false)
                    );
                }

                if ($item->params->get('icon_fax')) {
                    $item->params->set(
                        'marker_fax',
                        HTMLHelper::_('image', $item->params->get('icon_fax', ''), '', false)
                    );
                }

                if ($item->params->get('icon_misc')) {
                    $item->params->set(
                        'marker_misc',
                        HTMLHelper::_('image', $item->params->get('icon_misc', ''), '', false)
                    );
                }

                if ($item->params->get('icon_mobile')) {
                    $item->params->set(
                        'marker_mobile',
                        HTMLHelper::_('image', $item->params->get('icon_mobile', ''), '', false)
                    );
                }

                if ($item->params->get('icon_webpage')) {
                    $item->params->set(
                        'marker_webpage',
                        HTMLHelper::_('image', $item->params->get('icon_webpage', ''), '', false)
                    );
                }

                $item->params->set('marker_class', 'jicons-icons visually-hidden');
                break;
        }

        // Add links to contacts
        if ($item->params->get('show_contact_list') && \count($contacts) > 1) {
            foreach ($contacts as &$contact) {
                $contact->link = Route::_(RouteHelper::getContactRoute($contact->slug, $contact->catid, $contact->language));
            }

            $item->link = Route::_(RouteHelper::getContactRoute($item->slug, $item->catid, $item->language), false);
        }

        // Process the content plugins.
        PluginHelper::importPlugin('content');
        $offset = $state->get('list.offset');

        // Fix for where some plugins require a text attribute
        $item->text = '';

        if (!empty($item->misc)) {
            $item->text = $item->misc;
        }

        $app->triggerEvent('onContentPrepare', ['com_contact.contact', &$item, &$item->params, $offset]);

        // Store the events for later
        $item->event                    = new \stdClass();
        $results                        = $app->triggerEvent('onContentAfterTitle', ['com_contact.contact', &$item, &$item->params, $offset]);
        $item->event->afterDisplayTitle = trim(implode("\n", $results));

        $results                           = $app->triggerEvent('onContentBeforeDisplay', ['com_contact.contact', &$item, &$item->params, $offset]);
        $item->event->beforeDisplayContent = trim(implode("\n", $results));

        $results                          = $app->triggerEvent('onContentAfterDisplay', ['com_contact.contact', &$item, &$item->params, $offset]);
        $item->event->afterDisplayContent = trim(implode("\n", $results));

        if (!empty($item->text)) {
            $item->misc = $item->text;
        }

        $contactUser = null;

        if ($item->params->get('show_user_custom_fields') && $item->user_id && $contactUser = $this->getUserFactory()->loadUserById($item->user_id)) {
            $contactUser->text = '';
            $app->triggerEvent('onContentPrepare', ['com_users.user', &$contactUser, &$item->params, 0]);

            if (!isset($contactUser->jcfields)) {
                $contactUser->jcfields = [];
            }
        }

        // Escape strings for HTML output
        $this->pageclass_sfx = htmlspecialchars($item->params->get('pageclass_sfx', ''));

        $this->params      = &$item->params;
        $this->state       = &$state;
        $this->item        = &$item;
        $this->user        = &$user;
        $this->contacts    = &$contacts;
        $this->contactUser = $contactUser;

        if (\in_array($app->getInput()->getMethod(), ['GET', 'POST'])) {
            $model = $this->getModel();
            $model->hit();
        }

        $captchaSet = $item->params->get('captcha', $app->get('captcha', '0'));

        foreach (PluginHelper::getPlugin('captcha') as $plugin) {
            if ($captchaSet === $plugin->name) {
                $this->captchaEnabled = true;
                break;
            }
        }

        $this->_prepareDocument();

        parent::display($tpl);
    }

    /**
     * Prepares the document
     *
     * @return  void
     *
     * @since   1.6
     */
    protected function _prepareDocument()
    {
        $app     = Factory::getApplication();
        $pathway = $app->getPathway();

        // Because the application sets a default page title,
        // we need to get it from the menu item itself
        $menu = $app->getMenu()->getActive();

        if ($menu) {
            $this->params->def('page_heading', $this->params->get('page_title', $menu->title));
        } else {
            $this->params->def('page_heading', Text::_('COM_CONTACT_DEFAULT_PAGE_TITLE'));
        }

        $title = $this->params->get('page_title', '');

        // If the menu item does not concern this contact
        if (!$this->menuItemMatchContact) {
            // If this is not a single contact menu item, set the page title to the contact title
            if ($this->item->name) {
                $title = $this->item->name;
            }

            // Get ID of the category from active menu item
            if (
                $menu && $menu->component == 'com_contact' && isset($menu->query['view'])
                && \in_array($menu->query['view'], ['categories', 'category'])
            ) {
                $id = $menu->query['id'];
            } else {
                $id = 0;
            }

            $path     = [['title' => $this->item->name, 'link' => '']];
            $category = Categories::getInstance('Contact')->get($this->item->catid);

            while ($category !== null && $category->id != $id && $category->id !== 'root') {
                $path[]   = ['title' => $category->title, 'link' => RouteHelper::getCategoryRoute($category->id, $category->language)];
                $category = $category->getParent();
            }

            $path = array_reverse($path);

            foreach ($path as $item) {
                $pathway->addItem($item['title'], $item['link']);
            }
        }

        if (empty($title)) {
            $title = $this->item->name;
        }

        $this->setDocumentTitle($title);

        if ($this->item->metadesc) {
            $this->getDocument()->setDescription($this->item->metadesc);
        } elseif ($this->params->get('menu-meta_description')) {
            $this->getDocument()->setDescription($this->params->get('menu-meta_description'));
        }

        if ($this->params->get('robots')) {
            $this->getDocument()->setMetaData('robots', $this->params->get('robots'));
        }

        $mdata = $this->item->metadata->toArray();

        foreach ($mdata as $k => $v) {
            if ($v) {
                $this->getDocument()->setMetaData($k, $v);
            }
        }
    }
}
