<?php
header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Methods: GET, POST, OPTIONS, PUT, PATCH, DELETE");
header("Access-Control-Allow-Headers: Content-Type, Authorization, Content-Length, X-Requested-With");
header("Access-Control-Allow-Credentials: true");
header("Content-Type: textml; charset=utf-8");

///////////////////////////// 全局常量 /////////////////////////////
//mysql数据库连接
$G_MySql = array(
	"host" => "localhost",
	"name" => "youle_games",
	"user" => "root",
	"pwd"  => "root",
	"port" => "3333"
);

//错误编码及提示
$G_Error = array(
	"condb"      => array("code" => 81, "msg" => "database connection failed."),
	"execsql"    => array("code" => 82, "msg" => "failed to operate database."),
	"wrong_a"    => array("code" => 83, "msg" => "a parameter error."),
	"wrong_c"    => array("code" => 84, "msg" => "c parameter error."),
	"wrong_g"    => array("code" => 85, "msg" => "g parameter error."),
	"wrong_do"   => array("code" => 86, "msg" => "do parameter error."),
	"wrong_data" => array("code" => 87, "msg" => "data parameter error."),
	"wrong_openid"  => array("code" => 88, "msg" => "openid is null."),
	"wrong_unionid" => array("code" => 89, "msg" => "unionid is null.")
);

///////////////////////////// 全局变量 /////////////////////////////
//接口函数返回的json对象
$G_Result = array(
	"state" => 0,      //0:成功 <>0:错误编码
	"error" => "",     //错误时的描述
	"data"  => array() //成功时的数据
);

//返回结果$G_G_Result
function do_return(){
	global $G_Result;
	if (count($G_Result["data"]) == 0) {
		$G_Result["data"] = new stdClass;
	}
	echo json_encode($G_Result);
	exit();
}

////////////////////////// 连接MYSQL数据库 /////////////////////////
$PDO = null;
try 
{	
	$PDO = new PDO("mysql:host=".$G_MySql["host"].";port=".$G_MySql["port"].";dbname=".$G_MySql["name"], $G_MySql["user"], $G_MySql["pwd"]);
	$PDO->exec("set names utf8;");
	$PDO->exec("use ".$G_MySql["name"].";");	
} 
catch (Exception $e) 
{	
	$G_Result['state'] = $G_Error["condb"]["code"];
	$G_Result['error'] = $G_Error["condb"]["msg"]; 
	do_return();
}

//////////////////////////// 读取参数 ////////////////////////////
$a = GetRequest("a");
if ($a == null || $a == "") {
	$G_Result['state'] = $G_Error["wrong_a"]["code"];
	$G_Result['error'] = $G_Error["wrong_a"]["msg"]; 
	do_return();
}

$c = GetRequest("c");
if ($c == null || $c == "") {
	$G_Result['state'] = $G_Error["wrong_c"]["code"];
	$G_Result['error'] = $G_Error["wrong_c"]["msg"]; 
	do_return();
}

$g = GetRequest("g");
if ($g == null || $g == "") {
	$G_Result['state'] = $G_Error["wrong_g"]["code"];
	$G_Result['error'] = $G_Error["wrong_g"]["msg"]; 
	do_return();
}

$do = GetRequest("do");
if ($do != 1 && $do != 2) {
	$G_Result['state'] = $G_Error["wrong_do"]["code"];
	$G_Result['error'] = $G_Error["wrong_do"]["msg"]; 
	do_return();
}

//读取data参数
$str_data = GetRequest("data");
//php收到后将^号替换为=号，替换回来，，以避免=号POST传参会截断的问题
//$str_data = str_replace("^","=",$str_data);
//检查data是否为空
if ($str_data == null || $str_data == "") {
	$G_Result['state'] = $G_Error["wrong_data"]["code"];
	$G_Result['error'] = $G_Error["wrong_data"]["msg"]; 
	do_return();
}

//检查data是否能转成json
$json_data = json_decode($str_data);
if ($json_data == null) {	
	$G_Result['state'] = $G_Error["wrong_data"]["code"];
	$G_Result['error'] = $G_Error["wrong_data"]["msg"]; 
	do_return();
}

switch ($do){
    case 1:
        get_roomcard($a, $c, $g, $json_data);
        do_return();
        break;
    case 2:
        change_roomcard($a, $c, $g, $json_data);
        do_return();        
        break;
}

//根据参数名获取参数 
function GetRequest($name) {
	return isset($_REQUEST[$name])?$_REQUEST[$name]:'';
}

//获取房卡数量
function get_roomcard($agentid, $channelid, $gameid, $data) {
	global $G_Result, $G_Error, $PDO;	
	$openid   = $data->openid;
	$unionid  = $data->unionid;
	$nickname = $data->nickname;
	$avatar   = $data->avatar;
	$sex      = $data->sex;
	$province = $data->province;
	$city     = $data->city;

	if ($openid == null || $openid == "") {
		$G_Result['state'] = $G_Error["wrong_openid"]["code"];
		$G_Result['error'] = $G_Error["wrong_openid"]["msg"]; 
		do_return();
	}

	if ($unionid == null || $unionid == "") {
		$G_Result['state'] = $G_Error["wrong_unionid"]["code"];
		$G_Result['error'] = $G_Error["wrong_unionid"]["msg"]; 
		do_return();
	}

	$stmt = $PDO->prepare("call cp_third_get_roomcard(?,?,?,?,?,?,?,?,?,?)");

	if ($stmt->execute(array($agentid, $channelid, $gameid, $openid, $unionid, $nickname, $avatar, $sex, $province, $city))){
		$aryData = $stmt->fetch(PDO::FETCH_NAMED);
		if ($aryData["result"] != 0){
			$G_Result['state'] = $aryData["result"];
			$G_Result['error'] = $aryData["error"];
		} else {
			$G_Result['data']["playerid"] = (int)$aryData["playerid"]; 
			$G_Result['data']["roomcard"] = (int)$aryData["roomcard"]; 
		}
	} else {
		$G_Result['state'] = $G_Error["execsql"]["code"];
		$G_Result['error'] = $G_Error["execsql"]["msg"];
	}
}

//修改房卡数量
function change_roomcard($agentid, $channelid, $gameid, $data) {
	global $G_Result, $G_Error, $PDO;
	$openid  = $data->openid;
	$unionid = $data->unionid;
	$change  = $data->change;

	$stmt = $PDO->prepare("call cp_third_change_roomcard(?,?,?,?,?,?)");

	if ($stmt->execute(array($agentid, $channelid, $gameid, $openid, $unionid, $change))){
		$aryData = $stmt->fetch(PDO::FETCH_NAMED);
		if ($aryData["result"] != 0){
			$G_Result['state'] = $aryData["result"];
			$G_Result['error'] = $aryData["error"];
		} else {
			$G_Result['data']["playerid"] = (int)$aryData["playerid"]; 
			$G_Result['data']["roomcard"] = (int)$aryData["roomcard"];
			$G_Result['data']["change"]   = (int)$aryData["amount"]; 
		}
	} else {
		$G_Result['state'] = $G_Error["execsql"]["code"];
		$G_Result['error'] = $G_Error["execsql"]["msg"];
	}
}

?>