<?php

namespace app\sys\validate;

use app\model\Video as VideoModel;
use think\Validate;

class Video extends Validate
{
    // 验证规则
    protected $rule = [
        'title' => 'require|max:100',
        'type' => 'require',
        'label' => 'require',
        'description' => 'require|max:200',
        // 'video_url' => 'require',
        // 'douyin_url' => 'requireCallback:douyin',
        'video_url' => 'requireWithout:douyin_url',
        'douyin_url' =>'requireWithout:video_url',
        'link' => 'require|pregMatch'
    ];

    // 验证消息
    protected $message = [
        'title.require' => '请输入标题',
        'title.max' => '标题最大100个文字长度',
        'type.require' => '请选择分类',
        'label.require' => '请选择标签',
        'description.require' => '请输入视频描述',
        'description.max' => '描述最大200字长度',
        // 'video_url.require' => '请上传视频',
        // 'douyin_url.requireCallback' => '请上传视频地址进行抓取',
        'video_url.requireWithout' => '请上传视频',
        'douyin_url.requireWithout' => '请上传视频地址进行抓取',
        'link.require' => '请输入抖音地址',
        'link.pregMatch' => '抖音地址格式错误',
    ];

    // 验证场景
    protected $scene = [
        'addSave' => ['title', 'type', 'video_url','douyin_url'],
        'catch' => ['link'],
    ];


    // 视频验证
    public function video($value, $data)
    {
    	//判断添加还是修改
    	if(!empty($data['id']))
    	{
    		$video_url = VideoModel::where('id',$data['id'])->value('video_url');
    		if(empty($video_url) && $_FILES['video_url']['size'] == 0) return true;
    	}else{
    		if ($_FILES['video_url']['size'] == 0) return true;
    	}
        return false;
    }

    // 视频验证
    public function douyin($value, $data)
    {
        if (empty($data['douyin_url'])) return true;
        return false;
    }
    
    /*
     * 视频抓取检测是否存在
     */
    public function pregMatch($value)
    {
    	preg_match('/https:\/\/[\w\/\.]*/', $value, $match);
    	return empty($match) ? false : true;
    }
}