<?php

namespace App\Http\Controllers\Api\Base;

use App\Http\Controllers\Controller;
use App\Repositories\Enums\ResponseCodeEnum;
use App\Services\Base\ResourceService;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Storage;

/**
 * 资源管理
 */
class ResourceController extends Controller
{
    protected $allowed_img_ext = 'system_upload_img_type';
    protected $allowed_file_ext = 'system_upload_file_type';

    /**
     * @var ResourceService
     */
    private $resourceService;

    /**
     * ResourceController constructor.
     *
     * @param ResourceService $resourceService
     */
    public function __construct(ResourceService $resourceService)
    {
        parent::__construct();

        $this->resourceService = $resourceService;
    }

    /**
     * 上传资源
     * @must
     * @param Request $request
     * @return \Illuminate\Http\JsonResponse|\Illuminate\Http\Resources\Json\JsonResource
     * @throws \Illuminate\Validation\ValidationException
     */
    public function upload(Request $request)
    {
        $this->validate($request, [
            'file' => 'required|file',
            'dir' => 'required|alpha_dash',
            'file_type' => 'required|in:img,file'
        ], [], [
            'file' => '文件',
            'dir' => '存放目录',
            'file_type' => '文件类型',
        ]);

        $file = $request->file('file');

        if (!$file->isFile()) {
            return $this->response->fail('请上传一个文件', ResponseCodeEnum::CLIENT_VALIDATION_ERROR);
        }

        $file_type = $request->get('file_type', 'img');
        if ($file_type === 'img') {
            // 如果上传的不是图片将终止操作
            $config = str2arr(byCodeGetSetting($this->allowed_img_ext));
            if (!is_array($config)) {
                abort(ResponseCodeEnum::SYSTEM_CONFIG_ERROR, '系统图片配置错误');
            }
            if (!in_array(strtolower($file->getClientOriginalExtension()), $config)) {
                return $this->response->fail('图片类型不合法', ResponseCodeEnum::CLIENT_VALIDATION_ERROR);
            }
        } else {
            $config = str2arr(byCodeGetSetting($this->allowed_file_ext));
            if (!is_array($config)) {
                abort(ResponseCodeEnum::SYSTEM_CONFIG_ERROR, '系统文件配置错误');
            }
            if (!in_array(strtolower($file->getClientOriginalExtension()), $config)) {
                return $this->response->fail('文件类型不合法', ResponseCodeEnum::CLIENT_VALIDATION_ERROR);
            }
        }

        $model = $this->resourceService->handleUpload($request);
        if (!$model) {
            return $this->response->fail('上传文件失败', ResponseCodeEnum::SYSTEM_ERROR);
        }
        //判断图片还是视频,供前端判断
        $type = 0;
        $img_type = config('site.img_type');
        $video_type = config('site.video_type');
        $arr = explode('.', $model->path);
        if (strpos($img_type, $arr[1]) !== false) $type = 1;
        if (strpos($video_type, $arr[1]) !== false) $type = 2;

        return $this->response->success([
            'id' => $model->id,
            'path' => $model->path,
            'url' => $model->url,
            'type' => $type
        ]);
    }

    /**
     * 下载资源
     * @must
     * @param Request $request
     * @return \Symfony\Component\HttpFoundation\BinaryFileResponse
     * @throws \Illuminate\Validation\ValidationException
     */
    public function download(Request $request)
    {
        $this->validate($request, ['id' => 'required|integer']);
        $resource = $this->resourceService->handleProfile($request->get('id'));
        return response()->download(Storage::disk($resource->disk)->url($resource->path));
    }
}