<?php

use phpcommon\SqlHelper;

class BaseAuthedController extends BaseController {

    private $accountId = '';
    private $sessionId = '';
    private $mysqlConn = null;

    public function _handlePre()
    {
       $this->accountId = $_REQUEST['account_id'];
        $this->sessionId = $_REQUEST['session_id'];
        if ($_REQUEST['c'] == 'Role' && $_REQUEST['a'] == 'battleReport') {
            return;
        }
        if (!phpcommon\isValidSessionId($this->accountId,
                                       $this->sessionId)) {
            phpcommon\sendError(500, '无效的session_id');
           die();
        }
    }

    public function _getAccountId()
    {
        return $this->accountId;
    }

    public function _getChannel()
    {
        return phpcommon\extractChannel($this->_getAccountId());
    }

    public function _getSessionId()
    {
        return $this->sessionId;
    }

    public function _getRegisterTime()
    {
        $registertime = phpcommon\extractRegisterTimeFromSessionId($this->sessionId);
        return $registertime;
    }

    public function _getSelfMysql()
    {
        if (!$this->mysqlConn) {
            $this->mysqlConn = $this->_getMysql($this->_getAccountId());
        }
        return $this->mysqlConn;
    }

    public function _getUserInfo($fields)
    {
        $row = SqlHelper::selectOne
             ($this->_getSelfMysql(),
              't_user',
              $fields,
              array(
                  'accountid' => $this->_getAccountId()
              )
             );
        if (empty($row)) {
            phpcommon\sendError(500, '服务器内部错误');
            error_log('getUserInfo error '. $this->_getAccountId());
            die();
        }
        return $row;
    }

    public function _getOrmUserInfo()
    {
        $row = SqlHelper::ormSelectOne
             ($this->_getSelfMysql(),
              't_user',
              array(
                  'accountid' => $this->_getAccountId()
              )
             );
        if (empty($row)) {
            phpcommon\sendError(500, '服务器内部错误');
            error_log('getUserInfo error '. $this->_getAccountId());
            die();
        }
        return $row;
    }

    public function _safeGetOrmUserInfo()
    {
        $row = SqlHelper::ormSelectOne
             ($this->_getSelfMysql(),
              't_user',
              array(
                  'accountid' => $this->_getAccountId()
              )
             );
        return $row ? $row : null;
    }

    public function _updateUserInfo($fieldsKv)
    {
        SqlHelper::update
             ($this->_getSelfMysql(),
              'user',
              array(
                  'accountid' => $this->_getAccountId()
              ),
              $fieldsKv
             );
    }

    public function _getItem($itemId)
    {
        $row = SqlHelper::selectOne
              ($this->_getSelfMysql(),
               'bag',
               array(
                   'id',
                   'num'
               ),
               array(
                   'id' => $itemId,
                   'accountid' => $this->_getAccountId()
               ));
        if (empty($row)) {
            return null;
        }
        return array(
            'item_id' => $row['id'],
            'item_num' => $row['num']
        );
    }

    public function _getItemCount($itemId, $userInfo)
    {
        switch ($itemId) {
        case V_ITEM_GOLD:
        {
            return $userInfo['coin_num'];
        }
        break;
        case V_ITEM_DIAMOND:
        {
            return $userInfo['diamond_num'];
        }
        break;
        default:
        {
            $row = SqlHelper::selectOne
                 ($this->_getSelfMysql(),
                  'bag',
                  array(
                      'id',
                      'num'
                  ),
                  array(
                      'id' => $itemId,
                      'accountid' => $this->_getAccountId()
                  ));
            return $row ? $row['num'] : 0;
        }
        break;
        }
    }

    public function _isVirtualItem($itemId)
    {
        $isVirtualItem = false;
        return $isVirtualItem;
    }

    public function _addItem($items)
    {
        foreach ($items as $item) {
            if ($this->_isVirtualItem($item['item_id'])) {
                if ($item['item_id'] == $this->goldID) {
                    $this->_addGold($item['item_num']);
                }
                else if ($item['item_id'] == $this->lotteryID){
                    $this->addLottery($item['item_num']);
                }
            } else {
                SqlHelper::upsert
                    ($this->_getSelfMysql(),
                     't_bag',
                     array(
                         'accountid' => $this->_getAccountId(),
                         'item_id' => $item['item_id']
                     ),
                     array(
                         'item_num' => function () use($item) { return "item_num + {$item['item_num']}";},
                         'modifytime' => $this->_getNowTime()
                     ),
                     array(
                         'accountid' => $this->_getAccountId(),
                         'item_id' => $item['item_id'],
                         'item_num' => 1,
                         'item_state' => 0,
                         'try_expire_at' => 0,
                         'createtime' => $this->_getNowTime(),
                         'modifytime' => $this->_getNowTime()
                     )
                    );
            }
        }
    }

    public function _decItems($items)
    {
        foreach ($items as $item) {
            if ($this->_isVirtualItem($item['item_id'])) {
                // if ($item['item_id'] == VIRTUAL_ITEM_GOLD_ID) {
                //     $this->_decGold($item['item_num']);
                // }
            } else {
                SqlHelper::update
                    ($this->_getSelfMysql(),
                     'bag',
                     array(
                         'accountid' => $this->_getAccountId(),
                         'id' => $item['item_id']
                     ),
                     array(
                         'num' => function () use($item) {
                             return "CASE WHEN num < {$item['item_num']} THEN 0 ELSE num - {$item['item_num']} END";
                         },
                         'modify_time' => $this->_getNowTime()
                     )
                    );
            }
        }
    }

    public function _hasEnoughItems($items, &$lackItem)
    {
        $userInfo = $this->_getUserInfo(array(
            'golda',
            'diamond',
        ));
        foreach ($items as $item) {
            $inventory = $this->_getItemCount($item['item_id'], $userInfo);
            if ($inventory < $item['item_num']) {
                $lackItem = array(
                    'item_id' => $item['item_id'],
                    'item_num' => $item['item_num'],
                    'inventory' => $inventory
                );
                return false;
            }
        }
        return true;
    }

}