<?php
include 'common.php';

function CheckIsMaster($dbhandle, $guild_uid, $character_uid)
{
	$stmt = $dbhandle->prepare("SELECT master_uid FROM guild_info WHERE guild_uid=?");
	$stmt->bind_param("i", $guild_uid);
	$stmt->execute();
	$result = $stmt->get_result();
	if ($result)
	{
		if($row = $result->fetch_assoc())
		{
			$master_uid = $row["master_uid"];
			mysqli_stmt_free_result($stmt);

			if ($character_uid == $master_uid)
			{
				return true;
			}
			else
			{
				$return = "NOT_HAVE_PERMISSION";
				$error = "";
				$response = array('result'=>$return,'error'=>$error);
				EchoResponse($response);

				mysqli_close($dbhandle);
				exit;
			}
		}
		else
		{
			$return = "NO_EXIST_GUILD";
			$error = "";
			$response = array('result'=>$return,'error'=>$error);
			EchoResponse($response);

			mysqli_close($dbhandle);
			exit;
		}
	}
	else
	{
		$return = "DB_ERROR";
		$error = mysqli_error($dbhandle);
		$response = array('result'=>$return,'error'=>$error);
		EchoResponse($response);

		mysqli_close($dbhandle);
		exit;
	}
}

function SumGuildBP($dbhandle, $guild_uid)
{
	$guild_bp = 0;
	$stmt = $dbhandle->prepare("SELECT SUM(b.bp) FROM guild_member AS a INNER JOIN character_list AS b ON a.character_uid = b.character_uid WHERE a.guild_uid=? AND a.is_deport=0");
	$stmt->bind_param("i", $guild_uid);
	$stmt->execute();
	$result = $stmt->get_result();

	if ($result)
	{
		if($row = $result->fetch_assoc())
		{
			if (isset($row["SUM(b.bp)"]))
			{
				$guild_bp = $row["SUM(b.bp)"];
			}
		}
	}
	return $guild_bp;
}
function SetGuildBP($dbhandle, $guild_uid, $guild_bp)
{
	$stmt = $dbhandle->prepare("UPDATE guild_info SET guild_bp=? WHERE guild_uid=?");
	$stmt->bind_param("ii", $guild_bp, $guild_uid);
	$result = $stmt->execute();
	$stmt->close();
			
	if($result)
	{
		return true;
	}
	else
	{
		return false;
	}
}

function UpdateGuildBP($dbhandle, $guild_uid)
{
	$guild_bp = SumGuildBP($dbhandle, $guild_uid);
	SetGuildBP($dbhandle, $guild_uid, $guild_bp);
}

function Deport($dbhandle, $guild_uid, $character_uid)
{
	$stmt = $dbhandle->prepare("UPDATE guild_member SET is_deport=1 WHERE guild_uid=? AND character_uid=?");
	$stmt->bind_param("ii", $guild_uid, $character_uid);
	$result = $stmt->execute();
	$stmt->close();
			
	if($result)
	{
		return true;
	}
	else
	{
		$return = "DB_ERROR";
		$error = mysqli_error($dbhandle);
		$response = array('result'=>$return,'error'=>$error);

		EchoResponse($response);

		mysqli_close($dbhandle);
		exit;
	}
}

function ChangeGuilNumberOfMember($dbhandle, $guild_uid)
{
	$stmt = $dbhandle->prepare("SELECT count(*) AS cnt FROM guild_member WHERE guild_uid=? AND is_deport=0");
	$stmt->bind_param("i", $guild_uid);
	$stmt->execute();
	$result = $stmt->get_result();

	if ($result)
	{
		if($row = $result->fetch_assoc())
		{
			$guild_member_count = $row["cnt"];
			mysqli_stmt_free_result($stmt);

			$stmt2 = $dbhandle->prepare("UPDATE guild_info SET number_of_member=? WHERE guild_uid=?");
			$stmt2->bind_param("ii", $guild_member_count, $guild_uid);
			$result2 = $stmt2->execute();
			$stmt2->close();
					
			if($result2)
			{
				return true;
			}
		}
	}

	return false;
}

function GuildMemberDeport($guild_uid, $account_id, $master_uid, $character_uid, $login_key)
{
	//Connect DB
	$dbhandle = DB_Connect();

	$db_selected = mysqli_select_db($dbhandle, DB_NAME)
	or die("Could not select db");

	if(!CheckLoginKey($dbhandle, $account_id, $login_key))
	{
		PrintLoginKeyError();
		mysqli_close($dbhandle);
		return;
	}

	if (CheckIsMaster($dbhandle, $guild_uid, $master_uid))
	{
		if ($master_uid != $character_uid)
		{
			if (Deport($dbhandle, $guild_uid, $character_uid))
			{
				UpdateGuildBP($dbhandle, $guild_uid);
				ChangeGuilNumberOfMember($dbhandle, $guild_uid);
				$return = "GUILD_DEPORT_OK";
				$error = "";
				$response = array('result'=>$return,'error'=>$error);
				EchoResponse($response);
			}
		}
		else
		{
			$return = "IMPOSSIBLE_DEPORT_MASTER";
			$error = "";
			$response = array('result'=>$return,'error'=>$error);
			EchoResponse($response);
		}
	}

	mysqli_close($dbhandle);
}

function EchoResponse($response)
{
	$isXmlHttpRequest = (isset($_SERVER['HTTP_X_REQUESTED_WITH'])) ?
	(strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') ? true : false: false;
	($isXmlHttpRequest) ? header('Content-type: application/json') : header('Content-type: text/plain');
 
	echo json_encode($response);
}


$guild_uid = $_GET['guild_uid'];
$account_id = $_GET['account_id'];
$master_uid = $_GET['master_uid'];
$character_uid = $_GET['character_uid'];
$login_key = $_GET['login_key'];

if(CheckValidatedServerIP())
{
	GuildMemberDeport($guild_uid, $account_id, $master_uid, $character_uid, $login_key);//추방
}
else
{
	$response = "INVALIDATED_SERVER";
	$error = "CheckValidatedServerIP ERROR";
	$isXmlHttpRequest = (isset($_SERVER['HTTP_X_REQUESTED_WITH'])) ?
	(strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') ? true : false: false;
	($isXmlHttpRequest) ? header('Content-type: application/json') : header('Content-type: text/plain'); 
 
	echo json_encode(array(	'result'=>$response,'error'=>$error	));
}


?>