<?php

namespace app\mzl\modules\permission\model;

use support\Model;
use support\Redis;

/**
 * User
 */
class User extends Model
{
    /**
     * The connection name for the model.
     *
     * @var string|null
     */
    protected $connection = 'mysql';
    
    /**
     * The table associated with the model.
     *
     * @var string
     */
    protected $table = 'wzh_user';

    /**
     * The primary key associated with the table.
     *
     * @var string
     */
    protected $primaryKey = 'id';

    /**
     * Indicates if the model should be timestamped.
     *
     * @var bool
     */
    public $timestamps = true;
    
    /**
     * 模型的数据字段的保存格式。
     *
     * @var string
     */
    protected $dateFormat = 'U';

    /**
     * 允许自动填充模型字段
     */
    protected $fillable = ['id', 'password', 'realname', 'idcard', 'gzh_openid', 'identity', 'role_id', 'sex', 'phone', 'created_at', 'updated_at', 'deleted_at'];

    /**
     * 不允许自动填充模型字段
     */
    protected $guarded = [];

    public function roles()
    {
        return $this->belongsToMany(Role::class, 'role_user');
    }

    public function hasPermission2(string $permission): bool
    {
        // 加载角色和每个角色的权限
        $roles = $this->roles()->with('permissions')->get();
        // 判断是否有某个权限
        return $roles->pluck('permissions')->flatten()->pluck('name')->contains($permission);
    }

    public function hasPermission(string $permission, int $ttl = 24 * 60 * 60): bool
    {
        $cacheKey = 'user_permissions_' . $this->id;
        $permissions = Redis::get($cacheKey);
        if (!$permissions) {
            $roles = $this->roles()->with('permissions')->get();
            $permissions = $roles->pluck('permissions')->flatten()->pluck('name')->toArray();
            Redis::setEx($cacheKey, $ttl, json_encode($permissions));
        } else {
            $permissions = json_decode($permissions, true);
        }
        return in_array($permission, $permissions);
    }
}