<?php namespace app\wx\models;

use Yii;
use yii\web\IdentityInterface;
use app\wx\models\User as UserModel;

/**
 * Class User
 * @package app\wx\models
 */
class UserIdentity extends UserModel
{
    static $id = null;

    /**
     * Finds an identity by the given ID.
     *
     * @param string|int $id the ID to be looked for
     * @return IdentityInterface|null the identity object that matches the given ID.
     */
    public static function findIdentity($id)
    {
        return static::findOne($id);
    }

    /**
     * Finds an identity by the given token.
     *
     * @param string $token the token to be looked for
     * @return IdentityInterface|null the identity object that matches the given token.
     */
    public static function findIdentityByAccessToken($token, $type = null)
    {
        return static::findOne(['access_token' => $token]);
    }

    /**
     * @inheritdoc
     */
    public function getId()
    {
        return self::getIdFromSession();
    }

    /**
     * @inheritdoc
     */
    public function getAuthKey()
    {
        return  '';
    }

    /**
     * @inheritdoc
     */
    public function validateAuthKey($authKey)
    {
        return true;
    }

    /**
     * Validates password
     *
     * @param string $password password to validate
     * @return bool if password provided is valid for current user
     */
    public function validatePassword($password)
    {
        return true ;//Yii::$app->security->validatePassword($password, $this->password_hash);
    }

    /**
     * Generates password hash from password and sets it to the model
     *
     * @param string $password
     */
    public function setPassword($password)
    {
        $this->password_hash = Yii::$app->security->generatePasswordHash($password);
    }

    /**
     * Generates new password reset token
     */
    public function generatePasswordResetToken()
    {
        $this->password_reset_token = Yii::$app->security->generateRandomString() . '_' . time();
    }

    /**
     * @return mixed|null
     */
    protected static function getIdFromSession()
    {
        if (null === self::$id){
            $user = Yii::$app->getUser();
            $session = Yii::$app->getSession();
            $id = $session->getHasSessionId() || $session->getIsActive() ? $session->get($user->idParam) : null;
            self::$id = $id;
        }

        return self::$id;
    }
}