<?php
namespace App\Domains\File\Http\Controllers;

use App\Core\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Validator;
use App\Domains\File\Services\FileService;
use App\Exceptions\InvalidArgumentException;

class FileController extends Controller
{
    protected $request;
    protected $fileService;

    /**
     * 构造函数，自动注入.
     */
    public function __construct(Request $request, FileService $fileService)
    {
        $this->request = $request;
        $this->fileService = $fileService;
    }

    /**
     * 文件列表
     *
     * @return void
     */
    public function index()
    {
        $conditions = [];
        $conditions['limit'] = $this->request->get('limit', 20);

        $files = $this->fileService->index($conditions);

        return res($files, '文件列表', 201);
    }

    /**
     * 删除.
     *
     * @return \Illuminate\Http\Response
     */
    public function destroy()
    {
        $ids = $this->request->ids();
        $this->fileService->destroy($ids);
        return res(true, '删除成功');
    }

    /**
     * 上传文件.
     *
     * @return \Illuminate\Http\Response
     */
    public function upload()
    {
        $rule = [];

        foreach (FileService::$mimeTypes as $type => $mimeType) {
            $rule[$type] = 'mimetypes:'.implode(',', $mimeType);
        }

        Validator::validate($this->request->all(), $rule);

        foreach (array_keys(FileService::$mimeTypes) as $type) {
            if ($this->request->has($type)) {
                $file = $this->request->file($type);
                break;
            }
        }

        if (!$file) {
            throw new InvalidArgumentException('请上传正确的文件');
        }

        $input = $this->request->only(['height', 'width', 'duration', 'type', 'typeid', 'cover']);

        $fileModel = $this->fileService->upload($file, $input);

        return res($fileModel, '上传成功');
    }
}