<?php

require_once('models/Bag.php');

use phpcommon\SqlHelper;
use models\Bag;

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(
                  'account_id' => $this->_getAccountId()
              )
             );
        if (empty($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(
                  'account_id' => $this->_getAccountId()
              )
             );
        if (empty($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(
                  'account_id' => $this->_getAccountId()
              )
             );
        return $row ? $row : null;
    }

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

    public function _getItemCount($itemId, $userInfo)
    {
        switch ($itemId) {
        case V_ITEM_GOLD:
        {
            return $userInfo['gold'];
        }
        break;
        case V_ITEM_DIAMOND:
        {
            return $userInfo['diamond'];
        }
        break;
        default:
        {
            return Bag::getItemCount($itemId);
        }
        break;
        }
        return 0;
    }

    public function _isVirtualItem($itemId)
    {
        return in_array($itemId, array(V_ITEM_GOLD, V_ITEM_DIAMOND));
    }

    public function _addVirtualItem($itemId, $itemNum)
    {
        if ($itemNum <= 0){
            return;
        }
        switch ($itemId) {
        case V_ITEM_GOLD:
        {
            $this->_updateUserInfo(array(
                'gold' => function () use($itemNum) {
                    return "gold + ${itemNum}";
                }
            ));
        }
        break;
        case V_ITEM_DIAMOND:
        {
            $this->_updateUserInfo(array(
                'diamond' => function () use($itemNum) {
                    return "diamond + ${itemNum}";
                }
            ));
        }
        break;
        default:
        {
        }
        break;
        }
    }

    public function _decVirtualItem($itemId, $itemNum)
    {
        if ($itemNum <= 0){
            return;
        }
        switch ($itemId) {
        case V_ITEM_GOLD:
        {
            $this->_updateUserInfo(array(
                'gold' => function () use($itemNum) {
                    return "GREATEST(0, gold - ${itemNum})";
                }
            ));
        }
        break;
        case V_ITEM_DIAMOND:
        {
            $this->_updateUserInfo(array(
                'diamond' => function () use($itemNum) {
                    return "GREATEST(0, diamond - ${itemNum})";
                }
            ));
        }
        break;
        default:
        {
        }
        break;
        }
    }

    public function _addItems($items)
    {
        foreach ($items as $item) {
            if ($this->_isVirtualItem($item['item_id'])) {
                $this->_addVirtualItem($item['item_id'], $item['item_num']);
            } else {
                Bag::addItem($item['item_id'], $item['item_num']);
            }
        }
    }

    public function _addTryUsingItems($items)
    {
        foreach ($items as $item) {
            Bag::addTryUsingItem($item['item_id'], $item['item_num'], $item['try_using_time']);
        }
    }

    public function _decItems($items)
    {
        foreach ($items as $item) {
            if ($this->_isVirtualItem($item['item_id'])) {
                $this->_decVirtualItem($item['item_id'], $item['item_num']);
            } else {
                Bag::decItem($item['item_id'], $item['item_num']);
            }
        }
    }

    public function _hasEnoughItems($items, &$lackItem)
    {
        $userInfo = $this->_getUserInfo(array(
            'gold',
            'diamond',
        ));
        foreach ($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;
    }

}