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<?php

header ("Content-type: text/html; charset=UTF-8");


//Connect to MySQL server and select ha_intranet database

include("connect.inc");


//Receive data from index.php

$userName = $_POST['userName'];
$username = mysql_real_escape_string($userName);

$password = $_POST['userPassword'];
$password = mysql_real_escape_string($password);
$password = md5($password);


//Check user and password from tblUser and pick up the employeeID

$query =	"SELECT * FROM tblUser WHERE userName ='$username' AND userPassword ='$password'";
$result = mysql_query($query)
	or die("Cannot select from tblUser " . mysql_error());

if (mysql_num_rows($result) == 0)
{
	echo "<p><font size=3 color=red><b>** ไม่สามารถเข้าสู่ระบบได้เนื่องจาก \"ชื่อล็อกอิน\" หรือ \"รหัสผ่าน\" ผิดพลาด กรุณาลองใหม่อีกครั้ง **</b></font></p>";
	echo "<p><font size=3 color=red><b>** หากท่านลืมรหัสผ่านของท่าน กรุณาติดต่อ it **</b></font></p>";
	echo "<a href='javascript: history.go(-1)'>Back</a>";
	exit();
}

$row = mysql_fetch_array($result);


//Put employeeID into SESSION

$_SESSION['employeeID'] = $row['userEmployeeID'];
$employeeID = $_SESSION['employeeID'];


//Select user data from tblEmployee and store employeeDepartment and employeeStatus into variables

$query =	"SELECT * FROM tblEmployee WHERE employeeID ='$employeeID'";
$result = mysql_query($query)
	or die("Cannot select from tblEmployee " . mysql_error());

$row = mysql_fetch_array($result);

$_SESSION['employeeName'] = $row['employeeName'] . " " . $row['employeeLastName'];

$employeeDepartment = $row['employeeDepartment'];
$employeeStatus = $row['employeeStatus'];
$employeeStart = $row['employeeStart'];


//Check for supervisor status of the team member

if ($employeeStatus == 1)
{
	$query =	"SELECT employeeSupervisor FROM tblEmployee WHERE employeeSupervisor ='$employeeID'";
	$result = mysql_query($query)
		or die("Cannot select employeeSupervisor " . mysql_error());
	
	if (mysql_num_rows($result) != 0)
	{
		$supervisorStatus = 1;
	}
}


//Specify the level of the user (Admin/Team Leader/Supervisor/Team Member)

if ($employeeDepartment == 1) ## Admin Case ##
{
	$_SESSION['lv'] = 0;
	
} elseif ($employeeDepartment == 2 and $employeeStatus == 2) ## Payroll Team Leader Case ##
{
	$_SESSION['lv'] = 1;
	
} elseif ($employeeDepartment != 2 and $employeeStatus == 2) ## Team Leader Case ##
{
	$_SESSION['lv'] = 2;
	
} elseif (isset($supervisorStatus)) ## Supervisor Case ##
{
	$_SESSION['lv'] = 3;

} else //Team Member Case
{
	$_SESSION['lv'] = 4;
}


$today = date("Ymd");

if ((md5($userName) == $password) and ($today > strtotime($employeeStart . "+ 15 days")))
{
	echo "<p><font size=3 color=red><b>** เนื่องจากคุณไม่ทำการเปลี่ยนรหัสผ่านภายในระยะเวลาที่กำหนด กรุณาติดต่อ it เพื่อทำการปลดล็อก **</b></font></p>";
	echo "<a href='javascript: history.go(-1)'>Back</a>";
	exit();
}


//Send user to the main page

header("Location: main.php");

?>