<?php
	include 'config.php';

	// Check if the user is logged in

	if ((!isSet($_SESSION['loginname'])) || ($loggin <> '1')) {
		header("Location: login.php");
		exit;
	}
?>
<?php

	$model_id =(int)$_GET["model_id"];
	$series_id =$_GET["series_id"];

	//check if this model has been record for a warranty
	$sql = "select *,model.model_code as this_model_code from customer_warranty warranty, series series, model model where series.series_id = model.series_id and warranty.model_code = model.model_code and warranty.series_code = series.series_code and model.model_id = ? and warranty.deleted = ?";
	if (!($sth = $dbh->prepare($sql))) {
		throw new Exception('[' . $sth->errorCode() . ']: ' . print_r($sth->errorInfo()));
	}

	if (!$sth->execute(array($model_id, "0"))) {
		throw new Exception('[' . $sth->errorCode() . ']: ' . print_r($sth->errorInfo()));
	}

	if($sth->rowCount() > 0){
		echo "<script>alert('This model already linked with some customer warranty. You could not delete it.'); history.back();</script>";
		exit;
	}

	// Delete db
	$sql = "select * from model where model_id = ? ";
	if (!($sth = $dbh->prepare($sql))) {
		throw new Exception('[' . $sth->errorCode() . ']: ' . print_r($sth->errorInfo()));
	}

	if (!$sth->execute(array($model_id))) {
		throw new Exception('[' . $sth->errorCode() . ']: ' . print_r($sth->errorInfo()));
	}
	$row = $sth->fetch(PDO::FETCH_ASSOC);

	$sql = "update serial_number set deleted = ? WHERE model_code=? ";

	if (!($sth = $dbh->prepare($sql))) {
		throw new Exception('[' . $sth->errorCode() . ']: ' . print_r($sth->errorInfo()));
	}

	if (!$sth->execute(array("1", $row{"model_code"}))) {
		throw new Exception('[' . $sth->errorCode() . ']: ' . print_r($sth->errorInfo()));
	}

	$sql = "update model set deleted = ? WHERE model_id=? ";

	if (!($sth = $dbh->prepare($sql))) {
		throw new Exception('[' . $sth->errorCode() . ']: ' . print_r($sth->errorInfo()));
	}

	if (!$sth->execute(array("1", $model_id))) {
		throw new Exception('[' . $sth->errorCode() . ']: ' . print_r($sth->errorInfo()));
	}else{
		header("Location: model_index.php?series_id=$series_id&msg=Delete Successful");
	}

	$dbh = null;

?>