<?php
/**
 * Created by PhpStorm.
 * User: zn
 * Date: 2017/6/12
 * Time: 10:36
 */

namespace app\models;


use common\utils\EnumUtil;
use common\utils\RedisKeyUtil;
use Yii;
use yii\behaviors\TimestampBehavior;
use yii\db\ActiveRecord;
use yii\web\IdentityInterface;

/**
 * 管理
 * @property integer $id
 * @property string $username
 * @property string $password_hash
 * @property string $password_reset_token
 * @property string $auth_key
 * @property string $role
 * @property integer $del
 * @property integer $created_at
 * @property integer $updated_at
 */
class Admin extends ActiveRecord implements IdentityInterface
{
    public $token = '';

    public function behaviors()
    {
        return [
            TimestampBehavior::className(),
        ];
    }

    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            ['username', 'trim'],

            ['password_hash', 'string', 'min' => 6],

            ['password_reset_token', 'default', 'value' => ''],
            ['auth_key', 'default', 'value' => ''],

            ['del', 'default', 'value' => EnumUtil::DELETE_NOT],
            ['del', 'in', 'range' => EnumUtil::DELETE_LIST],
        ];
    }

    /**
     * Finds an identity by the given ID.
     * @param string|int $id the ID to be looked for
     * @return IdentityInterface the identity object that matches the given ID.
     * Null should be returned if such an identity cannot be found
     * or the identity is not in an active state (disabled, deleted, etc.)
     */
    public static function findIdentity($id)
    {
        return self::findOne(['id' => $id, 'del' => EnumUtil::DELETE_NOT]);
    }

    /**
     * Finds an identity by the given token.
     * @param mixed $token the token to be looked for
     * @param mixed $type the type of the token. The value of this parameter depends on the implementation.
     * For example, [[\yii\filters\auth\HttpBearerAuth]] will set this parameter to be `yii\filters\auth\HttpBearerAuth`.
     * @return IdentityInterface the identity object that matches the given token.
     * Null should be returned if such an identity cannot be found
     * or the identity is not in an active state (disabled, deleted, etc.)
     */
    public static function findIdentityByAccessToken($token, $type = null)
    {

    }

    public static function findByUsername($username)
    {
        return self::findOne(['username' => $username, 'del' => EnumUtil::DELETE_NOT]);
    }

    /**
     * Returns an ID that can uniquely identify a user identity.
     * @return string|int an ID that uniquely identifies a user identity.
     */
    public function getId()
    {
        return $this->id;
    }

    /**
     * Returns a key that can be used to check the validity of a given identity ID.
     *
     * The key should be unique for each individual user, and should be persistent
     * so that it can be used to check the validity of the user identity.
     *
     * The space of such keys should be big enough to defeat potential identity attacks.
     *
     * This is required if [[User::enableAutoLogin]] is enabled.
     * @return string a key that is used to check the validity of a given identity ID.
     * @see validateAuthKey()
     */
    public function getAuthKey()
    {
        return $this->auth_key;
    }

    /**
     * Validates the given auth key.
     *
     * This is required if [[User::enableAutoLogin]] is enabled.
     * @param string $authKey the given auth key
     * @return bool whether the given auth key is valid.
     * @see getAuthKey()
     */
    public function validateAuthKey($authKey)
    {
        return $this->getAuthKey() == $authKey;
    }

    public function validatePassword($password)
    {
        return Yii::$app->getSecurity()->validatePassword($password, $this->password_hash);
    }

    public function getRole()
    {
        return (object)['name' => $this->role];
    }

    public static function loadByToken($token)
    {
        return Yii::$app->redis->get(RedisKeyUtil::backAdminToken($token));
    }

    public function saveToken()
    {
        Yii::$app->redis->set(RedisKeyUtil::backAdminToken($this->token), $this->id);
    }

    public static function loginOut($token)
    {
        Yii::$app->redis->del(RedisKeyUtil::backAdminToken($token));
        Yii::$app->user->logout();
    }
}