<?php

$ream_size=$_REQUEST['reamsize'];
$page_size=$_REQUEST['pagesize'];
$pages=$_REQUEST['pages'];
$copy=$_REQUEST['copies'];
$gsm=$_REQUEST['gsm'];
$pt=$_REQUEST['pricetype'];
$price=$_REQUEST['price'];
$waste=intval($_REQUEST['waste']);

$arr=explode('x',$ream_size);
$weight=intval($arr[0])*intval($arr[1])*$gsm/3100;

//**********
//actual division
$div=intval($pages)/pow(2,intval($page_size));
//floor of division
$d=floor($div);
$f=intval($pages)%pow(2,intval($page_size));

$n=1;
$num=2;

while($f>$num)
{
$num=2*$num;
$n++;
}

$total_sheets=$copy*$d+$copy/pow(2,$page_size-$n);
$no_of_reams=$total_sheets/500;
$sheets=ceil(500*($no_of_reams-intval($no_of_reams)));

//$no_of_reams=ceil($total_sheets/500);
//***********
/*
$pages_in_ream=500*pow(2,intval($page_size));
$no_of_reams=(intval($pages)*intval($copy))/intval($pages_in_ream);
*/
if(intval($pt)==1)//price per ream
{
$total_price=$no_of_reams*intval($price);
}
else
if(intval($pt)==2)
{
//$total_price=($total_sheets/500)*$weight*intval($price);
$total_price=$no_of_reams*$weight*intval($price);
}

$html='<table class="big"><th><b>Without Wastage</b></th><th><b>With '.$waste.'% Wastage</b></th><tr><td>'.'<table class="one">'."<tr><td>Required no. of Reams </td> <td> :".floor($no_of_reams)." Reams  ".$sheets." Sheets</td></tr>"."<tr><td>Total Weight</td> <td> :".round($no_of_reams*$weight,2)." Kgs</td></tr>"."<tr><td>Total Price </td> <td> : Rs.".round($total_price,2)."</td></tr><tr><td>Total Sheets Required </td> <td>: ".$total_sheets."</td></tr></table></td>";

$total_sheets=($copy*$d+$copy/pow(2,$page_size-$n))*(1+(0.01*intval($waste)));
$no_of_reams=$total_sheets/500;
$sheets=ceil(500*($no_of_reams-intval($no_of_reams)));

if(intval($pt)==1)//price per ream
{
$total_price=$no_of_reams*intval($price);
}
else
if(intval($pt)==2)
{
//$total_price=($total_sheets/500)*$weight*intval($price);
$total_price=$no_of_reams*$weight*intval($price);
}

$html.='<td><table class="two">'."<tr><td>Required no. of Reams </td> <td> :".floor($no_of_reams)." Reams  ".$sheets." Sheets</td></tr>"."<tr><td>Total Weight</td> <td> :".round($no_of_reams*$weight,2)." Kgs</td></tr>"."<tr><td>Total Price </td> <td> : Rs.".round($total_price,2)."</td></tr>"."<tr><td>Total Sheets Required </td> <td>: ".ceil($total_sheets).'</td></tr>'.'</table></td></tr></table>'."<br><br>Weight of one Ream : ".round($weight,2)." Kgs<br>"."Size of Ream Sheet: ".$ream_size.' Inches<br>'."Size of Page : A".$page_size.'<br>'."No. of Pages per book : ".$pages.'<br>'."No. of Copies to be printed : ".$copy.'<br>';


print($html);
?>