<?php
/**
* This file is part of Batflat ~ the lightweight, fast and easy CMS
*
* @author       Paweł Klockiewicz <klockiewicz@sruu.pl>
* @author       Wojciech Król <krol@sruu.pl>
* @copyright    2017 Paweł Klockiewicz, Wojciech Król <Sruu.pl>
* @license      https://batflat.org/license
* @link         https://batflat.org
*/

namespace Inc\Modules\Galleries;

use Inc\Core\AdminModule;

class Admin extends AdminModule
{
    private $_thumbs = ['md' => 600, 'sm' => 300, 'xs' => 150];
    private $_uploads = UPLOADS.'/galleries';

    public function navigation()
    {
        return [
            $this->lang('manage', 'general') => 'manage',
        ];
    }

    /**
    * galleries manage
    */
    public function getManage()
    {
        $assign = [];

        // list
        $rows = $this->db('galleries')->toArray();
        if (count($rows)) {
            foreach ($rows as $row) {
                $row['tag']    = $this->tpl->noParse('{$gallery.'.$row['slug'].'}');
                $row['editURL'] = url([ADMIN, 'galleries',  'edit', $row['id']]);
                $row['delURL']  = url([ADMIN, 'galleries', 'delete', $row['id']]);

                $assign[] = $row;
            }
        }

        return $this->draw('manage.html', ['galleries' => $assign]);
    }

    /**
    * add new gallery
    */
    public function anyAdd()
    {
        $location = [ADMIN, 'galleries', 'manage'];

        if (!empty($_POST['name'])) {
            $name = htmlspecialchars(trim($_POST['name']), ENT_NOQUOTES, 'UTF-8');

            if (!$this->db('galleries')->where('slug', createSlug($name))->count()) {
                $query = $this->db('galleries')->save(['name' => $name, 'slug' => createSlug($name)]);

                if ($query) {
                    $id = $this->db()->lastInsertId();
                    $dir = $this->_uploads.'/'.$id;

                    if (mkdir($dir, 0755, true)) {
                        $this->notify('success', $this->lang('add_gallery_success'));
                        $location = [ADMIN, 'galleries', 'edit', $this->db()->lastInsertId()];
                    }
                } else {
                    $this->notify('failure', $this->lang('add_gallery_failure'));
                }
            } else {
                $this->notify('failure', $this->lang('gallery_already_exists'));
            }
        } else {
            $this->notify('failure', $this->lang('empty_inputs', 'general'));
        }

        redirect(url($location));
    }

    /**
    * remove gallery
    */
    public function getDelete($id)
    {
        $query = $this->db('galleries')->delete($id);

        deleteDir($this->_uploads.'/'.$id);

        if ($query) {
            $this->notify('success', $this->lang('delete_gallery_success'));
        } else {
            $this->notify('failure', $this->lang('delete_gallery_failure'));
        }

        redirect(url([ADMIN, 'galleries', 'manage']));
    }

    /**
    * edit gallery
    */
    public function getEdit($id, $page = 1)
    {
        $assign = [];
        $assign['settings'] = $this->db('galleries')->oneArray($id);

        // pagination
        $totalRecords = $this->db('galleries_items')->where('gallery', $id)->toArray();
        $pagination = new \Inc\Core\Lib\Pagination($page, count($totalRecords), 10, url([ADMIN, 'galleries', 'edit', $id, '%d']));
        $assign['pagination'] = $pagination->nav();
        $assign['page'] = $page;

        // items
        if ($assign['settings']['sort'] == 'ASC') {
            $rows = $this->db('galleries_items')->where('gallery', $id)
                    ->limit($pagination->offset().', '.$pagination->getRecordsPerPage())
                    ->asc('id')->toArray();
        } else {
            $rows = $this->db('galleries_items')->where('gallery', $id)
                    ->limit($pagination->offset().', '.$pagination->getRecordsPerPage())
                    ->desc('id')->toArray();
        }

        if (count($rows)) {
            foreach ($rows as $row) {
                $row['title'] = $this->tpl->noParse(htmlspecialchars($row['title']));
                $row['desc'] = $this->tpl->noParse(htmlspecialchars($row['desc']));
                $row['src'] = unserialize($row['src']);

                if (!isset($row['src']['sm'])) {
                    $row['src']['sm'] = isset($row['src']['xs']) ? $row['src']['xs'] : $row['src']['lg'];
                }

                $assign['images'][] = $row;
            }
        }

        $assign['id'] = $id;

        $this->core->addCSS(url('inc/jscripts/lightbox/lightbox.min.css'));
        $this->core->addJS(url('inc/jscripts/lightbox/lightbox.min.js'));
        $this->core->addJS(url('inc/jscripts/are-you-sure.min.js'));

        return $this->draw('edit.html', ['gallery' => $assign]);
    }

    /**
    * save gallery data
    */
    public function postSaveSettings($id)
    {
        $formData = htmlspecialchars_array($_POST);

        if (checkEmptyFields(['name', 'sort'], $formData)) {
            $this->notify('failure', $this->lang('empty_inputs', 'general'));
            redirect(url([ADMIN, 'galleries', 'edit', $id]));
        }

        $formData['slug'] = createSlug($formData['name']);
        if ($this->db('galleries')->where($id)->save($formData)) {
            $this->notify('success', $this->lang('save_settings_success'));
        }

        redirect(url([ADMIN, 'galleries', 'edit', $id]));
    }

    /**
    * save images data
    */
    public function postSaveImages($id, $page)
    {
        foreach ($_POST['img'] as $key => $val) {
            $query = $this->db('galleries_items')->where($key)->save(['title' => $val['title'], 'desc' => $val['desc']]);
        }

        if ($query) {
            $this->notify('success', $this->lang('save_settings_success'));
        }

        redirect(url([ADMIN, 'galleries', 'edit', $id, $page]));
    }

    /**
    * image uploading
    */
    public function postUpload($id)
    {
        $dir = $this->_uploads.'/'.$id;
        $cntr = 0;

        if (!is_uploaded_file($_FILES['files']['tmp_name'][0])) {
            $this->notify('failure', $this->lang('no_files'));
        } else {
            foreach ($_FILES['files']['tmp_name'] as $image) {
                $img = new \Inc\Core\Lib\Image();

                if ($img->load($image)) {
                    $imgName = time().$cntr++;
                    $imgPath = $dir.'/'.$imgName.'.'.$img->getInfos('type');
                    $src = [];

                    // oryginal size
                    $img->save($imgPath);
                    $src['lg'] = str_replace(BASE_DIR.'/', null, $imgPath);

                    // generate thumbs
                    foreach ($this->_thumbs as $key => $width) {
                        if ($img->getInfos('width') > $width) {
                            $img->resize($width);
                            $img->save($thumbPath = "{$dir}/{$imgName}-{$key}.{$img->getInfos('type')}");
                            $src[$key] = str_replace(BASE_DIR.'/', null, $thumbPath);
                        }
                    }

                    $query = $this->db('galleries_items')->save(['src' => serialize($src), 'gallery' => $id]);
                } else {
                    $this->notify('failure', $this->lang('wrong_extension'), 'jpg, png, gif');
                }
            }

            if ($query) {
                $this->notify('success', $this->lang('add_images_success'));
            };
        }

        redirect(url([ADMIN, 'galleries', 'edit', $id]));
    }

    /**
    * remove image
    */
    public function getDeleteImage($id)
    {
        $image = $this->db('galleries_items')->where($id)->oneArray();

        if (!empty($image)) {
            if ($this->db('galleries_items')->delete($id)) {
                $images = unserialize($image['src']);
                foreach ($images as $src) {
                    if (file_exists(BASE_DIR.'/'.$src)) {
                        if (!unlink(BASE_DIR.'/'.$src)) {
                            $this->notify('failure', $this->lang('delete_image_failure'));
                        } else {
                            $this->notify('success', $this->lang('delete_image_success'));
                        }
                    }
                }
            }
        } else {
            $this->notify('failure', $this->lang('image_doesnt_exists'));
        }

        redirect(url([ADMIN, 'galleries', 'edit', $image['gallery']]));
    }
}