<?php
namespace common\models;

use Yii;
use yii\base\NotSupportedException;
use yii\behaviors\TimestampBehavior;
use yii\db\ActiveRecord;
use yii\web\IdentityInterface;

/**
 * User model
 *
 * @property integer $id
 * @property string $username
 * @property string $password_hash
 * @property string $password_reset_token
 * @property string $verification_token
 * @property string $email
 * @property string $auth_key
 * @property integer $status
 * @property integer $created_at
 * @property integer $updated_at
 * @property string $password write-only password
 */
class User extends ActiveRecord implements IdentityInterface
{
    const STATUS_DELETED = 0;
    const STATUS_INACTIVE = 9;
    const STATUS_ACTIVE = 10;


    /**
     * @inheritdoc
     */
    public static function tableName()
    {
        return '{{%c_user}}';
    }

    /**
     * @inheritdoc
     */
    public function behaviors()
    {
        return [
            TimestampBehavior::className(),
        ];
    }

    public static function status()
    {
        return [
            0 => ['title'=>'剔除','css'=>'default'],
            1 => ['title'=>'未知','css'=>'default'],
            9 => ['title'=>'停用','css'=>'warning'],
            10 => ['title'=>'启用','css'=>'success']
        ];
    }

    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['username','email'], 'required'],
            [['status', 'created_at', 'updated_at'], 'integer'],
            ['status', 'default', 'value' => self::STATUS_INACTIVE],
            ['status', 'in', 'range' => [self::STATUS_ACTIVE, self::STATUS_INACTIVE, self::STATUS_DELETED]],
            [['password_hash', 'password_reset_token', 'email'], 'string', 'max' => 255],
            [['username','auth_key'], 'string', 'max' => 32],
            [['username', 'email','mobile'], 'unique'],
            //去除首尾空白
            [['username', 'mobile', 'email'], 'filter', 'filter' => 'trim'],
        ];
    }

    public function attributeLabels() {
        return [
            'id' => 'ID',
            'username' => Yii::t('common' ,'Username'),
            'avatar' => Yii::t('common' ,'Avatar'),
            'auth_key' => Yii::t('common' ,'Password'),
            'password_hash' => 'Password Hash',
            'email' => Yii::t('common' ,'Email'),
            'mobile' => Yii::t('common' ,'Mobile'),
            'status' => Yii::t('common' ,'Status'),
            'created_at' => 'Created At',
            'updated_at' => 'Updated At',
            'role' => Yii::t('common' ,'Role'),
        ];
    }

    /**
     * @inheritdoc
     */
    public static function findIdentity($id)
    {
        return static::findOne(['id' => $id, 'status' => self::STATUS_ACTIVE]);
    }

    /**
     * @inheritdoc
     */
    public static function findIdentityByAccessToken($token, $type = null)
    {
        throw new NotSupportedException('"findIdentityByAccessToken" is not implemented.');
    }

    /**
     * Finds user by username
     *
     * @param string $username
     * @return static|null
     */
    public static function findByUsername($username)
    {
        return static::findOne(['username' => $username, 'status' => self::STATUS_ACTIVE]);
    }

    /**
     * Finds user by password reset token
     *
     * @param string $token password reset token
     * @return static|null
     */
    public static function findByPasswordResetToken($token)
    {
        if (!static::isPasswordResetTokenValid($token)) {
            return null;
        }

        return static::findOne([
            'password_reset_token' => $token,
            'status' => self::STATUS_ACTIVE,
        ]);
    }

    /**
     * Finds user by verification email token
     *
     * @param string $token verify email token
     * @return static|null
     */
    public static function findByVerificationToken($token) {
        return static::findOne([
            'verification_token' => $token,
            'status' => self::STATUS_INACTIVE
        ]);
    }

    /**
     * Finds out if password reset token is valid
     *
     * @param string $token password reset token
     * @return bool
     */
    public static function isPasswordResetTokenValid($token)
    {
        if (empty($token)) {
            return false;
        }

        $timestamp = (int) substr($token, strrpos($token, '_') + 1);
        $expire = Yii::$app->params['user.passwordResetTokenExpire'];
        return $timestamp + $expire >= time();
    }

    /**
     * @inheritdoc
     */
    public function getId()
    {
        return $this->getPrimaryKey();
    }

    /**
     * @inheritdoc
     */
    public function getAuthKey()
    {
        return $this->auth_key;
    }

    /**
     * @inheritdoc
     */
    public function validateAuthKey($authKey)
    {
        return $this->getAuthKey() === $authKey;
    }

    /**
     * Validates password
     *
     * @param string $password password to validate
     * @return bool if password provided is valid for current user
     */
    public function validatePassword($password)
    {
        return 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 "remember me" authentication key
     */
    public function generateAuthKey()
    {
        $this->auth_key = Yii::$app->security->generateRandomString();
    }

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

    public function generateEmailVerificationToken()
    {
        $this->verification_token = Yii::$app->security->generateRandomString() . '_' . time();
    }

    /**
     * Removes password reset token
     */
    public function removePasswordResetToken()
    {
        $this->password_reset_token = null;
    }
}