<?php

namespace Webkul\Velocity\Http\Controllers\Admin;

use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;
use Webkul\Velocity\Repositories\VelocityMetadataRepository;

class ConfigurationController extends Controller
{
    /**
     * VelocityMetadataRepository object
     *
     * @var \Webkul\Velocity\Repositories\VelocityMetadataRepository
     */
    protected $velocityMetaDataRepository;

    /**
     * Create a new controller instance.
     *
     * @param  \Webkul\Velocity\Repositories\MetadataRepository  $velocityMetaDataRepository
     * @return void
     */
    public function __construct (VelocityMetadataRepository $velocityMetadataRepository)
    {
        $this->_config = request('_config');
        
        $this->velocityHelper = app('Webkul\Velocity\Helpers\Helper');

        $this->velocityMetaDataRepository = $velocityMetadataRepository;
    }

    /**
     * @return \Illuminate\View\View
     */
    public function renderMetaData()
    {
        $velocityMetaData = $this->velocityHelper->getVelocityMetaData();

        if ($velocityMetaData->advertisement) {
            $velocityMetaData->advertisement = $this->manageAddImages(json_decode($velocityMetaData->advertisement, true));
        }

        return view($this->_config['view'], [
            'metaData' => $velocityMetaData,
        ]);
    }

    /**
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function storeMetaData($id)
    {
        // check if radio button value
        if (request()->get('slides') == "on") {
            $params = request()->all() + [
                'slider' => 1,
            ];
        } else {
            $params = request()->all() + [
                'slider' => 0,
            ];
        }

        $velocityMetaData = $this->velocityMetaDataRepository->findorFail($id);

        $advertisement = json_decode($velocityMetaData->advertisement, true);

        $params['advertisement'] = [];

        if (isset($params['images'])) {
            foreach ($params['images'] as $index => $images) {
                $params['advertisement'][$index] =  $this->uploadAdvertisementImages($images, $index, $advertisement);
            }

            if ($advertisement) {
                foreach ($advertisement as $key => $image_array) {
                    if (! isset($params['images'][$key])) {
                        foreach ($advertisement[$key] as $image) {
                            Storage::delete($image);
                        }
                    }
                }
            }
        }

        if (isset($params['product_view_images'])) {
            foreach ($params['product_view_images'] as $index => $productViewImage) {
                if ($productViewImage !== "") {
                    $params['product_view_images'][$index] = $this->uploadImage($productViewImage, $index);
                }
            }

            $params['product_view_images'] = json_encode($params['product_view_images']);
        }

        $params['advertisement'] = json_encode($params['advertisement']);
        $params['home_page_content'] = str_replace('=&gt;', '=>', $params['home_page_content']);

        unset($params['images']);
        unset($params['slides']);

        // update row
        $product = $this->velocityMetaDataRepository->update($params, $id);

        session()->flash('success', trans('admin::app.response.update-success', ['name' => 'Velocity Theme']));

        return redirect()->route($this->_config['redirect']);
    }

    /**
     * @param  array  $data
     * @param  int  $index
     * @param  array  $advertisement
     * @return array
     */
    public function uploadAdvertisementImages($data, $index, $advertisement)
    {
        $saveImage = [];

        $saveData = $advertisement;
        
        foreach ($data as $imageId => $image) {
            $file = 'images.' . $index . '.' . $imageId;
            $dir = 'velocity/images';

            if (Str::contains($imageId, 'image_')) {
                if (request()->hasFile($file) && $image) {
                    $filter_index = substr($imageId, 6, 1);
                    if ( isset($data[$filter_index]) ) {
                        $size = array_key_last($saveData[$index]);
                        
                        $saveImage[$size + 1] = request()->file($file)->store($dir);
                    } else {
                        $saveImage[substr($imageId, 6, 1)] = request()->file($file)->store($dir);
                    }
                }
            } else {
                if ( isset($advertisement[$index][$imageId]) && $advertisement[$index][$imageId] && !request()->hasFile($file)) {
                    $saveImage[$imageId] = $advertisement[$index][$imageId];

                    unset($advertisement[$index][$imageId]); 
                }
                
                if (request()->hasFile($file) && isset($advertisement[$index][$imageId])) {
                    Storage::delete($advertisement[$index][$imageId]);

                    $saveImage[$imageId] = request()->file($file)->store($dir);
                }
            }
        }

        if (isset($advertisement[$index]) && $advertisement[$index]) {
            foreach ($advertisement[$index] as $imageId) {
                Storage::delete($imageId);
            }
        }

        return $saveImage;
    }

    /**
     * @param  array  $data
     * @param  int  $index
     * @return mixed
     */
    public function uploadImage($data, $index)
    {
        $type = 'product_view_images';
        $request = request();

        $image = '';
        $file = $type . '.' . $index;
        $dir = "velocity/$type";

        if ($request->hasFile($file)) {
            Storage::delete($dir . $file);

            $image = $request->file($file)->store($dir);
        }

        return $image;
    }

    /**
     * @param  array  $addImages
     * @return array
     */
    public function manageAddImages($addImages)
    {
        $imagePaths = [];

        foreach ($addImages as $id => $images) {
            foreach ($images as $key => $image) {
                if ($image) {
                    continue;
                }

                $imagePaths[$id][] = [
                    'id'   => $key,
                    'type' => null,
                    'path' => $image,
                    'url'  => Storage::url($image),
                ];
            }
        }
        
        return $imagePaths;
    }
}