<?php

namespace app\adminapi\validate\notice;

use app\common\validate\BaseValidate;

class UserNoticeValidate extends BaseValidate
{
    protected $rule = [
        'recipient_scope' => 'require|in:all,specified',
        'user_ids' => 'checkUserIds',
        'title' => 'require|max:50',
        'content' => 'require|max:1000',
        'target_url' => 'max:200|checkTargetUrl',
    ];

    protected $message = [
        'recipient_scope.require' => '请选择接收范围',
        'recipient_scope.in' => '接收范围错误',
        'title.require' => '请输入消息标题',
        'title.max' => '消息标题不能超过50个字符',
        'content.require' => '请输入消息内容',
        'content.max' => '消息内容不能超过1000个字符',
        'target_url.max' => '跳转路径不能超过200个字符',
    ];

    protected function sceneSend()
    {
        return $this->only(['recipient_scope', 'user_ids', 'title', 'content', 'target_url']);
    }

    protected function checkUserIds($value, $rule, array $data)
    {
        if (($data['recipient_scope'] ?? '') !== 'specified') {
            return true;
        }
        if (!is_array($value) || empty($value)) {
            return '请至少填写一位指定用户ID';
        }
        foreach ($value as $userId) {
            if (!is_numeric($userId) || (int) $userId <= 0) {
                return '指定用户ID格式错误';
            }
        }
        return true;
    }

    protected function checkTargetUrl($value)
    {
        if ($value === null || $value === '') {
            return true;
        }
        return is_string($value) && str_starts_with($value, '/') && !str_starts_with($value, '//')
            ? true
            : '跳转路径必须以单个 / 开头';
    }
}