<h3>UPPCL Reading</h3>
<center>

<?php
$tbl = 'el_upreading';

$month = $_REQUEST['month'];
if (!$month) $month = previous_month();//date("M-Y");

$reading = $_POST['reading'];
$dated = date("Y-m-d");
	
/*
if ($_POST["submit"] == 'SAVE') {
	if (mysql_num_rows(mysql_query("select * from $tbl where month='$month'"))) {
		mysql_query("update $tbl set reading=$reading,dated='$dated'
		where month='$month'");
	} else {
               	mysql_query("insert into $tbl(month,reading,dated) 
		values('$month',$reading,now())");
	}
}
*/
//existing records
$rs = mysql_query("select * from el_config");
if (mysql_num_rows($rs)) {
	$o = mysql_fetch_object($rs);
	$id = $o->id;
	$meterno = $o->meterno;
	$initreading = $o->initreading;
	$unitrate = $o->unitrate;
	$contactload = $o->contactload;
	$fixedrate = $o->fixedrate;
	$plrate = $o->plrate;
	$edrate = $o->edrate;
	$rscrate = $o->rscrate;
	$excessrate = $o->excessrate;
}

echo "Month <select name='month' onchange=\"javascript: document.location.href='?pg=$pg&month='+this.value\">";

if (!mysql_num_rows(mysql_query("select distinct month from $tbl where month='$month'")))
        echo "<option value='$month'>$month</option>";

$rs = mysql_query("select distinct month from $tbl order by id desc");
while ($o = mysql_fetch_object($rs)) {
        echo "<option value='$o->month'";
        if ($o->month == $month) echo " selected";
        echo ">$o->month</option>";
}
echo "</select>";

$rs = mysql_query("select * from $tbl where month='$month'");
if (mysql_num_rows($rs)) {
	$o = mysql_fetch_object($rs);
	$reading = $o->reading;
}

echo "<table width='60%' border='1' style='border-collapse: collapse'>
<tr><th colspan='2'>Meter reading for the month of $month</th></tr>
<tr><th>Meter No.</th><td>$meterno</td></tr>
<tr><th>Initial Reading</th><td>$initreading</td></tr>
<tr><th>Contacted Load</th><td>$contactload</td></tr>
<tr><th>Fixed Rate</th><td>$fixedrate</td></tr>
<tr><th>Protective Load Rate</th><td>$plrate</td></tr>
<tr><th>ED Charge Rate</th><td>$edrate</td></tr>
<tr><th>Regulatory Surcharge Rate</th><td>$rscrate</td></tr>
<tr><th>Excess Rate</th><td>$excessrate</td></tr>

<tr><th>Reading</th><td><input type='text' name='reading' value='$reading' size='20'></td></tr>
<tr><th colspan='2'><input type='submit' name='submit' value='SAVE'></th></tr>
";

if ($reading) {
	$prevreading = $initreading;
	$curreading = $reading;

	$consumedunit = $curreading - $prevreading;
	$consumedcharge = $consumedunit * $unitrate;
	$payable = 0.00;
	
	$fixedcharge = $contactedload * $fixedrate;
	$subtotal = $consumedcharge + $fixedcharge;
	
	$plcharge = $contactedload * $plrate;
	$edcharge = $subtotal * $edrate/100;
	$rscharge = $subtotal * $rscrate/100;
		
	$totalamount = $subtotal + $plcharge + $edcharge + $rscharge;
	$payable = $totalamount + $userfees;

	$i = 1;
	$data .= "<tr><td><a href='?pg=elreceipt&id=$o->id'>$i</a></td>
	<td nowrap>IIITA</td><td>$meterno</td><td>$contactload</td><td>$prevreading</td><td>$curreading</td>
	<td align='right'>".number_format($consumedunit,2)."</td>
	<td align='right'>Rs.".number_format($consumedcharge,2)."</td>";
	
	$data .= "<td align='right'>Rs.".number_format($fixedcharge,2)."</td>
	<td align='right'>Rs.".number_format($subtotal,2)."</td>
	<td align='right'>Rs.".number_format($plcharge,2)."</td>
	<td align='right'>Rs.".number_format($edcharge,2)."</td>
	<td align='right'>Rs.".number_format($rscharge,2)."</td>
	<td align='right'>Rs.".number_format($totalamount,2)."</td>
	<td align='right'>Rs.".number_format($userfees,2)."</td>
	<td align='right'>Rs.".($excessunits ? "<font color='red'>".number_format($payable,2)."</font>" : number_format($payable,2))."</td></tr>";

	$str = "<table width='100%' border='1' style='border-collapse: collapse'>
	<thead>
	<tr><th colspan='16'><h3>Electricity bill for the month of $month</h3>
	(Unit rate: Rs. $unitrate/unit, Fixed rate: $fixedrate/KVA/month, P.Load rate: $plrate/KVA/month, ED rate: $edrate%, Reg. Surcharge: $rscrate%)</th></tr>
	<tr><th rowspan='2'>No</th>
	<th rowspan='2'>Licensee</th>
	<th rowspan='2'>MeterNo</th>
	<th rowspan='2'>Contacted<br>Load</th>
	<th colspan='2'>KWH Meter Reading</th>
	<th colspan='2'>Consumption</th>
	<th colspan='6'>Connection Charges</th>
	<th rowspan='2'>User<br>Rent</th>
	<th rowspan='2'>Payable<br>Amount</th></tr>
	<tr><th>Previous</th><th>Current</th><th>Units</th><th>Charges</th>
	<th>Fixed</th><th>SubTotal</th><th>PLC</th><th>ED</th><th>Sur</th><th>Total</th>
	</tr>
	</thead>
	<tfoot>
	<tr><th colspan='15' align='right'>Total</th><th>Rs.".number_format(round($tpayable),2)."</th></tr>
	<tr><th colspan='16'>Above readings have been taken on the last dates of this and previous month.</th></tr>
	</tfoot>
	<tbody>$data</tbody>
	</table>";

	echo $str;
}
?>
</table>
</center>