<?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;

\defined('_JEXEC') or die;

use Joomla\CMS\Categories\Categories;
use Joomla\CMS\Factory;
use Joomla\CMS\Helper\TagsHelper;
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\Component\Contact\Site\Helper\RouteHelper;

/**
 * HTML Contact View class for the Contact component
 *
 * @since  1.5
 */
class HtmlView extends BaseHtmlView
{
	/**
	 * The item model state
	 *
	 * @var    \Joomla\Registry\Registry
	 * @since  1.6
	 */
	protected $state;

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

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

	/**
	 * The page to return to on submission
	 * TODO: Implement this functionality
	 *
	 * @var         string
	 * @since       1.6
	 */
	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   \JUser
	 * @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)
	{
		$app        = Factory::getApplication();
		$user       = Factory::getUser();
		$state      = $this->get('State');
		$item       = $this->get('Item');
		$this->form = $this->get('Form');
		$params     = $state->get('params');
		$contacts   = array();

		$temp = clone $params;

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

		// Get submitted values
		$data = $app->getUserState('com_contact.contact.data', array());

		// Add catid for selecting custom fields
		$data['catid'] = $item->catid;

		$app->setUserState('com_contact.contact.data', $data);

		// 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']);
			}
			// Check for alternative layout of contact
			elseif ($layout = $item->params->get('contact_layout'))
			{
				$this->setLayout($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 = $this->get('Errors')))
		{
			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_address',   Text::_('COM_CONTACT_ADDRESS') . ': ');
				$item->params->set('marker_email',     Text::_('JGLOBAL_EMAIL') . ': ');
				$item->params->set('marker_telephone', Text::_('COM_CONTACT_TELEPHONE') . ': ');
				$item->params->set('marker_fax',       Text::_('COM_CONTACT_FAX') . ': ');
				$item->params->set('marker_mobile',    Text::_('COM_CONTACT_MOBILE') . ': ');
				$item->params->set('marker_webpage',   Text::_('COM_CONTACT_WEBPAGE') . ': ');
				$item->params->set('marker_misc',      Text::_('COM_CONTACT_OTHER_INFORMATION') . ': ');
				$item->params->set('marker_class',     'jicons-text');
				break;

			case 2:
				// None
				$item->params->set('marker_address',   '');
				$item->params->set('marker_email',     '');
				$item->params->set('marker_telephone', '');
				$item->params->set('marker_mobile',    '');
				$item->params->set('marker_fax',       '');
				$item->params->set('marker_misc',      '');
				$item->params->set('marker_webpage',   '');
				$item->params->set('marker_class',     'jicons-none');
				break;

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

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

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

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

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

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

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

				$item->params->set('marker_class',     'jicons-icons');
				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 = null;

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

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

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

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

		$results = $app->triggerEvent('onContentAfterDisplay', array('com_contact.contact', &$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 && $contactUser = Factory::getUser($item->user_id))
		{
			$contactUser->text = '';
			$app->triggerEvent('onContentPrepare', array ('com_users.user', &$contactUser, &$item->params, 0));

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

		// 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;

		$item->tags = new TagsHelper;
		$item->tags->getItemTags('com_contact.contact', $this->item->id);

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

			while ($category !== null && $category->id != $id && $category->id !== 'root')
			{
				$path[] = array('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)
		{
			$this->document->setDescription($this->item->metadesc);
		}
		elseif ($this->params->get('menu-meta_description'))
		{
			$this->document->setDescription($this->params->get('menu-meta_description'));
		}

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

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

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