<?php

namespace App\Gallery;

use App\Form\FormMetaTrait;
use Qs_ViewController;
use Qs_Navigation;
use Qs_Config;
use Qs_Session_Namespace;
use Qs_ImageFs;

/**
 * @method \App\Gallery\Obj _getDataObj()
 */
class View extends Qs_ViewController
{
    protected $_actions = array('view', 'empty');
    protected $_hasFilter = false;
    protected $_hasLog = true;
    protected $_logIgnoredControllers = array('App_Cms_View');
    protected $_photoConfig;
    protected $_photoConfigName = 'Gallery\Image';

    public function preDispatch(&$list)
    {
        $this->_initAction();
        if ('view' == $this->_action) {
            foreach (array_keys($list) as $idx) {
                if ('HtmlBlock_' == $list[$idx]['type']) {
                    unset($list[$idx]);
                    break;
                }
            }
        }
        return $this;
    }

    public function exec()
    {
        $this->_initAction();
        if (null === $this->_action) {
            $this->_doc->display404();
        }
        return parent::exec();
    }

    protected function _initAction()
    {
        if (null === $this->_action) {
            $params = $this->getRestParams();
            if (empty($params)) {
                $alias = $this->_getFirstAlbumAlias();
                if ($alias) {
                    \Qs_Http::redirect($alias);
                } else {
                    $this->_action = 'empty';
                }
            } else if (1 == count($params) && $this->_getDataObj()->setPrimaryKeyByAlias($params[0])->getData()) {
                $this->_action = 'view';
            }
        }
        return $this;
    }

    protected function _doEmpty()
    {
        $item = [
            'tpl'   => $this->getTemplate('empty.tpl'),
        ];
        $this->_addItem($item);
        return $this;
    }

    protected function _doView()
    {
        $item = array();
        $item['data'] = $this->_getDataObj()->getData();
        if (!empty($item['data']) && $item['data']['enabled'] != 'n') {

            $albumOrientation = $this->_getDataObj()->getData('albumOrientation');
            $frontendImageConfig = $this->getConfig('frontendImage')->toArray();
            if (isset($frontendImageConfig[$albumOrientation])) {
                $frontendImageConfig = $frontendImageConfig[$albumOrientation];
            } else {
                $frontendImageConfig = reset($frontendImageConfig);
            }

            FormMetaTrait::updateMetaTitle($item['data'], 'title');
            Qs_Navigation::append(array('title' => $item['data']['title'], 'url' => $this->url()));
            $this->_doc->setHeader($item['data']['title']);

            $item['list'] = $this->_getDataObj()->getAlbumItems();
            $this->_prepareImages($item['list']);

            $item['config'] = $this->getPhotoConfig()->toArray();
            $item['image'] = $frontendImageConfig;
            $item['tpl'] = $this->getTemplate('view.tpl');
            $this->_addItem($item);
            $this->_doc->addStyleSheet('css/thirdpart/fancybox/jquery.fancybox.css');
            $this->_doc->addScript('js/fancybox/jquery.fancybox.js', array(), 'fancybox');
            $this->_doc->addScript('js/jquery.cj-swipe.js');
            $this->_doc->addScript('js/app/gallery.js');
            $galleryOptions = array('title' => $item['data']['title']);
            $this->_doc->addInitFunction('App_Gallery.init', array($galleryOptions));
            $this->_postView();
        } else {
            $this->_doc->display404();
        }

        return $this;
    }

    protected function _prepareImages(array &$images)
    {
        $imageConfig = $this->getPhotoConfig('image');

        foreach ($images as &$image) {
            $source = Qs_ImageFs::WEB_PATH . '/' . $image['image'];

            $destination = Qs_ImageFs::getIconName(
                $source,
                $imageConfig->width,
                $imageConfig->height,
                $imageConfig->method
            );
            $destination = Qs_ImageFs::THUMBNAIL_PATH . '/' . $destination;

            if (!file_exists($destination)) {
                $destination = Qs_ImageFs::resize(
                    $source,
                    array(
                        'width'     => $imageConfig->width,
                        'height'    => $imageConfig->height,
                        'force'     => false,
                        'method'    => $imageConfig->method,
                        'sizeCheck' => true
                    )
                );
            }

            $realWidth = $realHeight = 0;
            if ($destination) {
                $fileInfo = Qs_ImageFs::getInfo($destination);
                $realWidth = $fileInfo['width'];
                $realHeight = $fileInfo['height'];;
            }

            $image['realWidth'] = $realWidth;
            $image['realHeight'] = $realHeight;
        }

        return $this;
    }

    protected function _getFirstAlbumAlias()
    {
        return  $this->_findFirstAlbumAlias($this->getMenu());
    }

    protected function _findFirstAlbumAlias($menu)
    {
        $result = false;
        if (!empty($menu)) {
            foreach ($menu as $subMenu) {
                if ($subMenu['imagesCount'] > 0) {
                    return $subMenu['fullAlias'];
                }
                if ($result = $this->_findFirstAlbumAlias($subMenu['sub'])) {
                    return $result;
                };
            }
        }
        return $result;
    }

    public function getMenu()
    {
        $menu = (new \App_ECommerce_Product_Category_Obj())->getCategoryTree();
        $fullAlias = \Qs_SiteMap::find(array('enabled' => 'y'), array('type' => 'Gallery\\'), null, 'fullAlias');
        $this->_prepareMenu($menu, $fullAlias);
        return $menu;
    }

    protected function _prepareMenu(array &$menu, $fullAlias, $onlyFirstAlias = false)
    {
        if (!empty($menu)) {
            foreach ($menu as $key => &$subMenu) {
                $subMenu['items'] = array('type' => substr(get_class($this), 0, -4));
                $subMenu['menuTitle'] = htmlspecialchars($subMenu['menuTitle']);
                $subMenu['fullAlias'] = $fullAlias . '/' . $subMenu['alias'];
                $subMenu['url'] = BASE_URL . '/' . $fullAlias . '/' . $subMenu['alias'];
                if ($subMenu['imagesCount'] == 0 && $subMenu['subcategoriesImagesCount'] > 0) {
                    $subMenu['url'] = null;
                } elseif ($subMenu['imagesCount'] == 0 && $subMenu['subcategoriesImagesCount'] == 0) {
                    unset($menu[$key]);
                    continue;
                } elseif ($subMenu['subcategoriesImagesCount'] == 0) {
                    $subMenu['sub'] = null;
                    continue;
                }
                $this->_prepareMenu($subMenu['sub'], $fullAlias, $onlyFirstAlias);
            }
        }

        return $this;
    }

    public function getPhotoConfig($field = null, $default = null)
    {
        if (null === $this->_photoConfig) {
            $this->_photoConfig = Qs_Config::get($this->_photoConfigName, Qs_Config::APP_TYPE);
        }
        if (null === $field) {
            return $this->_photoConfig;
        }
        return $this->_photoConfig->get($field, $default);
    }

    protected function _getBackUrl($sessionName = CURRENT_PAGE_FINAL)
    {
        $session = new Qs_Session_Namespace($sessionName);
        if (isset($session->backUrl)) {
            return $session->backUrl;
        }
        return BASE_URL_LANGUAGE . '/' . CURRENT_PAGE_FINAL;
    }
}