<?php

namespace app\api\validate;

use think\Validate;
use app\common\Enum\ChannelEnum;

class ShareValidate extends Validate
{
    protected $rule = [
        'shareId' => 'require|max:50',
        'spm' => 'max:100',
        'page' => 'require',
        'query' => 'max:500',
        'from' => 'require',
        'platform' => 'checkSharePlatform',
    ];

    protected $message = [
        'shareId.require' => '分享ID不能为空',
        'shareId.max' => '分享ID长度不能超过50个字符',
        'spm.max' => 'SPM参数长度不能超过100个字符',
        'page.integer' => '页码必须为整数',
        'page.gt' => '页码必须大于0',
        'query.max' => '查询参数长度不能超过500个字符',
        'from.max' => '来源参数长度不能超过50个字符',
    ];

    protected $scene = [
        'add' => ['shareId', 'spm', 'page', 'query', 'from', 'platform'],
    ];

    /**
     * 验证分享类型
     * @param $value
     * @param $rule
     * @param $data
     * @return bool|string
     */
    public function checkShareType($value, $rule, $data)
    {
        $validTypes = ['goods', 'activity', 'page'];
        if (!in_array($value, $validTypes)) {
            return '分享类型参数错误';
        }
        return true;
    }

    /**
     * 验证分享渠道
     * @param $value
     * @param $rule
     * @param $data
     * @return bool|string
     */
    public function checkSharePlatform($value, $rule, $data)
    {
        $validChannels = ChannelEnum::getChannelMap();
        if (!in_array($value, $validChannels)) {
            return '分享渠道参数错误';
        }
        return true;
    }

    /**
     * 验证分享URL
     * @param $value
     * @param $rule
     * @param $data
     * @return bool|string
     */
    public function checkShareUrl($value, $rule, $data)
    {
        if (!filter_var($value, FILTER_VALIDATE_URL)) {
            return '分享链接格式不正确';
        }
        return true;
    }
}