<?php defined('BX_DOL') or die('hack attempt');
/**
 * Copyright (c) BoonEx Pty Limited - http://www.boonex.com/
 * CC-BY License - http://creativecommons.org/licenses/by/3.0/
 *
 * @defgroup    DolphinCore Dolphin Core
 * @{
 */

bx_import('BxDolDb');

/**
 * All queries related to account
 */
class BxDolAccountQuery extends BxDolDb implements iBxDolSingleton {

    public function __construct() {

        if (isset($GLOBALS['bxDolClasses'][get_class($this)]))
            trigger_error ('Multiple instances are not allowed for the class: ' . get_class($this), E_USER_ERROR);

        parent::__construct();
    }

    /**
     * Prevent cloning the instance
     */
    public function __clone() {
        if (isset($GLOBALS['bxDolClasses'][get_class($this)]))
            trigger_error('Clone is not allowed for the class: ' . get_class($this), E_USER_ERROR);
    }

    /**
     * Get singleton instance of the class
     */
    public static function getInstance() {
        if(!isset($GLOBALS['bxDolClasses'][__CLASS__]))
            $GLOBALS['bxDolClasses'][__CLASS__] = new BxDolAccountQuery();

        return $GLOBALS['bxDolClasses'][__CLASS__];
    }

    /**
     * Get account by specified field name and value.
     * It is for internal usage only.
     * Use other funtions to get account info, like getInfoById, etc.
     * @param string $sField database field name
     * @param mixed $sValue database field value
     * @return array with porfile info
     */
    protected function _getDataByField ($sField, $sValue) {
        $sSql = $this->prepare("SELECT * FROM `sys_accounts` WHERE `$sField` = ? LIMIT 1", $sValue);
        return $this->getRow($sSql);
    }

    /**
     * Get account info by id
     * @param int $iID account id
     * @return array with account info
     */
    public function getInfoById( $iID )    {
        return $this->_getDataByField('id', (int)$iID);
    }

    /**
     * get account id by emial
     */
    public function getIdByEmail($sEmail) {
        return (int)$this->_getFieldByField('id', 'email', $sEmail);
    }

    /**
     * get account id by id
     */
    public function getIdById($iId) {
        return (int)$this->_getFieldByField('id', 'id', $iId);
    }

    /**
     * Get account email by id
     * @param string $s search account by this id
     * @return account email
     */
    public function getEmail($iID) {
        return $this->_getFieldByField('email', 'id', (int)$iID);
    }

    /**
     * Get account password by id
     * @param string $s search account by this id
     * @return account password
     */
    public function getPassword($iID) {
        return $this->_getFieldByField('password', 'id', (int)$iID);
    }

    /**
     * Update last logged in time
     * @param $sPasswordHash - password hash
     * @param $sSalt - pasword salt
     * @param $iAccountId - account id to update password for
     * @return number of affected rows
     */
    public function updatePassword($sPasswordHash, $sSalt, $iAccountId) {
        $sQuery = $this->prepare("UPDATE `sys_accounts` SET `password` = ?, `salt` = ? WHERE `id`= ?", $sPasswordHash, $sSalt, $iAccountId);
        return $this->query($sQuery);
    }

    /**
     * Update last logged in time
     * @param int $iID account id
     * @return number of affected rows
     */
    public function updateLoggedIn($iID) {
        return $this->_updateField ($iID, 'logged', time());
    }

    /**
     * Update language
     * @param int $iID account id
     * @return number of affected rows
     */
    public function updateLanguage($iID, $iLangId) {
        return $this->_updateField ($iID, 'lang_id', $iLangId);
    }

    /**
     * Update current profile id associated with account
     * @param int $iID account id
     * @param int $iProfileId set current profile id to this value
     * @return number of affected rows
     */
    public function updateCurrentProfile($iID, $iProfileId) {
        return $this->_updateField ($iID, 'profile_id', $iProfileId);
    }

    /**
     * Update 'email_confirmed' field.
     * @param int $isConfirmed - 0: mark email as unconfirmed, 1: as confirmed
     * @param int $iID - account id
     * @return number of affected rows
     */
    public function updateEmailConfirmed($isConfirmed, $iID) {
        return $this->_updateField ($iID, 'email_confirmed', $isConfirmed ? 1 : 0);
    }

    /**
     * Get account field by specified field name and value.
     * In most cases it is for internal usage only.
     * Use other funtions to get account info, like getIdByEmail, etc.
     * @param string $sFieldRequested database field name to return
     * @param string $sFieldSearch database field name to search for
     * @param mixed $sValue database field value
     * @return specified account field value
     */
    protected function _getFieldByField ($sFieldRequested, $sFieldSearch, $sValue) {
        $sSql = $this->prepare("SELECT `$sFieldRequested` FROM `sys_accounts` WHERE `$sFieldSearch` = ? LIMIT 1", $sValue);
        return $this->getOne($sSql);
    }

    /**
     * Update some field by account id
     * In most cases it is for internal usage only.
     * Use other funtions to get account info, like updateLogged, etc.
     * @param string $sFieldRequested database field name to return
     * @param string $sFieldSearch database field name to search for
     * @param mixed $sValue database field value
     * @return specified account field value
     */
    protected function _updateField ($iId, $sFieldForUpdate, $sValue) {
        $sSql = $this->prepare("UPDATE `sys_accounts` SET `$sFieldForUpdate` = ? WHERE `id` = ? LIMIT 1", $sValue, $iId);
        return $this->query($sSql);
    }

    /**
     * Delete account info by id
     * @param int $iID profile id
     * @return affected rows
     */
    public function delete($iID) {
        $sSql = $this->prepare("DELETE FROM `sys_accounts` WHERE `id` = ? LIMIT 1", $iID);
        return $this->query($sSql);
    }
}

/** @} */