<?php

namespace modules\listings\views\form;

use Listings;
use User;
use config;
use bff\view\FormBlock;

/**
 * Item Form > Images
 * @copyright Tamaranga
 */
class Images extends FormBlock
{
    public function init()
    {
        parent::init();

        $this->setTemplate('form/blocks/images', 'listings');
        $this->setKey('images');
        $this->setTitle(_t('item-form', 'Photos'));
    }

    public function data()
    {
        $data = parent::data();
        $data['visible'] = $this->visible();

        $images = Listings::itemImages($this->form->recordID());

        $data['imgcnt'] = $this->form->item['imgcnt'] ?? 0;
        $data['images'] = [];
        $data['images_hash'] = '';
        $limit = $this->limit();
        if ($data['imgcnt']) {
            $key = $images->rotateSize();
            $imagesData = $images->getData($data['imgcnt']);
            $imagesData = $this->app->filter('listings.form.item.images.data', $imagesData);
            $cnt = 0;
            foreach ($imagesData as $v) {
                $cnt++;
                if ($limit && $cnt > $limit) {
                    continue;
                }
                $data['images'][$v['id']] = [
                    'id'       => $v['id'],
                    'filename' => $v['filename'],
                    'url'      => $images->getURL($v, $key, false),
                    'rotate'   => $images->rotateAvailable($v),
                ];
            }
            $data['images_hash'] = $images->getLastUploaded();
        }

        $settings = [
            'limit' => $images->getLimit(),
            'catLimit' => $limit,
            'maxSize' => $images->getMaxSize(true),
        ];
        $settings = array_merge($settings, $this->imagesOptimization());

        $data['settings'] = $settings;

        return $data;
    }

    public function onImageUploadAction()
    {
        $result = [];
        do {
            $itemId = $this->form->item['id'] ?? 0;
            $images = Listings::itemImages($itemId);

            $res = $images->uploadQQ();
            if ($res) {
                if (! empty($res['image_id'])) {
                    $result['id'] = $res['image_id'];
                } else {
                    $result['id'] = $res['filename'] ?? '';
                }
            }
            if ($itemId) {
                $this->checkModerated();
            }

        } while (false);

        return $this->ajaxResponseForm($result);
    }

    public function onImageDeleteAction()
    {
        $itemId = $this->form->item['id'] ?? 0;
        $id = $this->request->post('id', TYPE_STR);
        $images = Listings::itemImages($itemId);
        if ($itemId) {
            if (Listings::isItemOwner($itemId, $this->form->item['user_id'] ?? 0)) {
                $images->deleteImage($id);
            }
        } else {
            $images->deleteTmpFile($id);
        }

        return $this->ajaxResponseForm();
    }

    public function onSubmitAddAfterSaveEvent($p)
    {
        if (empty($p['id']) || empty($p['data'])) {
            return;
        }

        if (! $this->limit()) {
            return;
        }

        # антиспам фильтр: проверка дубликатов изображений
        $checkImagesDuplicates = $this->config('listings.items.spam.duplicates.images', false, TYPE_BOOL);

        # сохраняем / загружаем изображения
        $itemId = $p['id'];
        $images = Listings::itemImages($itemId);
        $images->setAssignErrors(false);
        $images->setUserID($p['data']['user_id'] ?? User::id());
        if (! empty($checkImagesDuplicates)) {
            if ($images->filesHashExists($images->filesHash(true, 'images'))) {
                $this->errors->set(_t('listings', 'You have already published a similar listing. Use the listing Raise'), 'spam');
                return;
            }
        }
        # перемещаем из tmp-директории в постоянную
        $images->saveTmp('images');
    }

    public function onSubmitEditAfterSaveEvent($p)
    {
        if (empty($p['data'])) {
            return;
        }

        if (! $this->limit()) {
            return;
        }

        $itemId = $this->form->recordID();
        $images = Listings::itemImages($itemId);

        # сохраняем порядок изображений
        $order = [];
        $img = $this->input->post('images', TYPE_ARRAY_UINT);
        $imagesData = $images->getData();
        foreach ($img as $id) {
            if (! isset($imagesData[$id])) {
                continue;
            }
            $order[$id] = $imagesData[$id]['filename'];
        }
        $images->saveOrder($order, false);

        # помечаем на модерацию при изменении фотографий
        if ($images->newImagesUploaded($this->input->post('images_hash', TYPE_STR))) {
            $this->checkModerated();
        }
    }

    protected function checkModerated()
    {
        $moderated = Listings::premoderationEdit() ? 0 : 2;
        if (($this->form->item['moderated'] ?? 1) != $moderated) {
            $itemId = $this->form->recordID();
            if ($itemId) {
                Listings::model()->itemSave($itemId, ['moderated' => $moderated]);
            }
        }
    }

    public function limit()
    {
        return $this->form->category['settings']['photos']['limit'] ?? 0;
    }

    public function visible()
    {
        return $this->limit() > 0;
    }

    public function reloadBlock($event)
    {
        if ($event != 'categoryChange') {
            return false;
        }
        $this->form->respond('images', ['catLimit' => $this->limit()]);
        if ($this->visible()) {
            return $this->render();
        }
        return '';
    }

    public function imagesOptimization()
    {
        $optimization = ['enable' => false];
        do {
            if (! $this->config('listings.items.images.optimization', true, TYPE_BOOL)) {
                break;
            }

            $images = Listings::itemImages($this->form->recordID());
            $key = $images->rotateSize();
            $w = $images->getSizeWidth($key);
            $h = $images->getSizeHeight($key);
            if (empty($h)) {
                $s = $images->getSizes();
                if (! empty($s[$key]['vertical']['height'])) {
                    $h = $s[$key]['vertical']['height'];
                }
            }
            if ($w <= 0 && $h <= 0) {
                break;
            }
            if ($w <= 0) {
                $w = $h;
            }
            if ($h <= 0) {
                $h = $w;
            }

            $optimization['enable'] = true;
            $optimization['width'] = $w;
            $optimization['height'] = $h;
        } while (false);

        return $optimization;
    }

    public function validate($data = [])
    {
        $limit = $this->limit();
        if ($limit) {
            Listings::itemImages($this->form->recordID())->setLimit($limit);
        }

        return parent::validate($data);
    }
}