<?php
$item_type = $_REQUEST["item_type"];
$submit = $_POST["submit"];
$financial_year = $_REQUEST["financial_year"];
$fyear = (date("Y") - 1) . "-" . date("Y");
if ($financial_year == "") $financial_year = $fyear;
$date1 = substr($financial_year,0,4) . "-04-01";
$date2 = substr($financial_year,5,4) . "-03-31";

echo "<center><font color='red' size='+1'>Balance Sheet</font></center>";
echo "<div align='left'> Financial Year ";
echo "<select name='financial_year' onchange=\"javascript:document.location.href='" . $_SERVER["SCRIPT_NAME"] . "?item_type=$item_type&financial_year=' + this.value\">";

$rs = mysql_query("select financial_year from balance_sheet group by financial_year", $con);
while ($o = mysql_fetch_object($rs)){
  $financial_year1 = $o->financial_year;
  echo "<option value='$financial_year1'";
  if ($financial_year1 == $financial_year) echo " selected";
  echo ">$financial_year1</option>";
}
//echo "<option value='$fyear'>$fyear</option>";
//echo "<option value='2002-2003'>2002-2003</option>";
echo "</select>";
echo " ($date1 - $date2) </div>";

echo "<table width='100%' border='1' cellspacing='0' cellpadding='1' bordercolordark='white' bordercolor='black' frame='box' id='id4'>";
echo "<tr><th rowspan='3'>Sr.</th><th rowspan='3'>Item</th><th rowspan='2' colspan='2'>Opening<br>Balance</th><th rowspan='2' colspan='2'>Total<br>Purchase</th><th colspan='8'>Consumption</th><th rowspan='2' colspan='2'>Closing<br>Balance</th></tr>";
echo "<tr><th colspan='2'>Fabrication</th><th colspan='2'>Replacement</th><th colspan='2'>Upgradation</th><th colspan='2'>Project</th></tr>";
echo "<tr><th>Qty</th><th>Value</th><th>Qty</th><th>Value</th><th>Qty</th><th>Value</th><th>Qty</th><th>Value</th><th>Qty</th><th>Value</th><th>Qty</th><th>Value</th><th>Qty</th><th>Value&nbsp;</th></tr>";

$toqty=0; $toval=0; $tpqty=0; $tpval=0; $tfqty=0; $tfval=0; $tuqty=0; $tuval=0; $trqty=0; $trval=0; $tjqty=0; $tjval=0; $tcqty=0; $tcval=0;

$sql1 = "select row_id,name from category_master where item_type='$item_type' order by name";
$rs1 = mysql_query($sql1, $con);
if(!$rs1) echo sql_error();
while ($qd1 = mysql_fetch_array($rs1)){
  $cat_code = $qd1["row_id"];
  $item = $qd1["name"];
    
  //opening balance stock qty - stock on date1 means received before date1 and either in stock or issued after date2
  $sql2 = "select pm.row_id as parts_code,im.unit_price,pm.status,im.receive_date from parts_master pm left join item_master im on pm.item_code=im.row_id where category_code=$cat_code and im.receive_date<='$date2'";
  $rs2 = mysql_query($sql2, $con);
  if(!$rs2) echo sql_error();
  $oqty=0; $oval=0; $pqty=0; $pval=0; $fqty=0; $fval=0; $uqty=0; $uval=0; $rqty=0; $rval=0; $jqty=0; $jval=0; $cqty=0; $cval=0;
  //iterate through the parts list
  while ($qd2 = mysql_fetch_array($rs2)){
    $parts_code = $qd2["parts_code"];
    $status = $qd2["status"];
    $uprice = $qd2["unit_price"];
    $receive_date = $qd2["receive_date"];
    if ($uprice == "") $uprice = 0;
    //issued items
    if ($status == "issued"){
      $sql3 = "select * from parts_issued where parts_code=$parts_code";
      $rs3 = mysql_query($sql3, $con);
      if(!$rs3) echo sql_error();
      //check issue date which must > date1
      if (mysql_num_rows($rs3)){
        $qd3 = mysql_fetch_array($rs3);
        $issue_date = $qd3["issue_date"];
        $used_for = $qd3["issue_for"];
        $issued = "true";
      }else{
        $sql4 = "select * from pc_configuration where parts_code=$parts_code";
        $rs4 = mysql_query($sql4, $con);
        if(!$rs4) echo sql_error();
        if (mysql_num_rows($rs4)){
          $qd4 = mysql_fetch_array($rs4);
          $issue_date = $qd4["issue_date"];
          $used_for = $qd4["used_for"];
          $issued = "true";
        }
      }
      if ($issue_date>$date2){
        $oqty++; $oval += $uprice;
        $toqty += $oqty; $toval += $oval;
        //closing balance for current financial year consumption in next year
        $cqty++; $cval += $uprice;
        $tcqty += $cqty; $tcval += $cval;
      }else{
        //items purchased between date1 and date2
        if ($receive_date<='$date1' and $receive_date>='$date2'){
          $pqty++; $pval += $uprice;
          $tpqty += $pqty; $tpval += $pval;
        }
        $issued="false";
        //opening balance items purchased before date1
        if ($receive_date<$date1){ 
          switch ($status){
            case "issued":
              if ($issue_date<$date1){
                //previous financial year data
              }else if ($issue_date>=$date1){
                //purchased before date1 but used after date1
                $oqty++; $oval += $uprice;
                $toqty += $oqty; $toval += $oval;
                $issued="true";
              }
              break;
	    case "old":
	    case "new":
            case "reserved":
	      $oqty++; $oval += $uprice;
              $toqty += $oqty; $toval += $oval;
              //unused so closing balanace for this financial year
              $cqty++; $cval += $uprice;
              $tcqty += $cqty; $tcval += $cval;
              break;
          }
        }else if ($receive_date<=$date2){//>date1
          switch ($status){
            case "issued":
	      if ($issue_date<$date2){
                //current financial year consumption
	        $issued="true";
              }else{//next financial year consumption
                //purchased after date1 but before date2 and used after date2
                $cqty++; $cval += $uprice;
                $tcqty += $cqty; $tcval += $cval;
              }
              break;
            case "old":
            case "new":
            case "reserved":
              $cqty++; $cval += $uprice;
              $tcqty += $cqty; $tcval += $cval;
              break;
          }
        } 
        //consumption during date1 and date2
        //check the issue date
        if ($issued == "true"){
          switch ($used_for){
            case "fabrication":
              $fqty++; $fval += $uprice;
              $tfqty += $fqty; $tfval += $fval;
              break;
            case "upgradation":
              $uqty++; $uval += $uprice;
              $tuqty += $uqty; $tuval += $uval;
              break;
            case "replacement":
              $rqty++; $rval += $uprice;
              $trqty += $rqty; $trval += $rval;
              break;
            default:
              $jqty++; $jval += $uprice;
              $tjqty += $jqty; $tjval += $jval;
              break;
          }
        }	
      }
    }else{
      //$oqty++; $oval += $uprice;
      //$toqty += $oqty; $toval += $oval;
      //$cqty++; $cval += $uprice;
      //$tcqty += $cqty; $tcval += $cval;
    }

    $i++; 
    //show figures
    echo "<tr><td>$i</td><td>$item</td>";
    echo "<td align='right'>$oqty</td><td align='right'>$oval</td><td align='right'>$pqty</td><td align='right'>$pval</td>";
    echo "<td align='right'>$fqty</td><td align='right'>$fval</td><td align='right'>$rqty</td><td align='right'>$rval</td><td align='right'>$uqty</td><td align='right'>$uval</td><td align='right'>$jqty</td><td align='right'>$jval</td>";
    echo "<td align='right'>$cqty</td><td align='right'>$cval&nbsp;</td></tr>";
  }
}
echo "<tr><td></td><td align='right'><b>Total</b></td><td align='right'>$toqty</td><td align='right'>Rs.$toval.00</td><td align='right'>$tpqty</td><td align='right'>Rs.$tpval.00</td><td align='right'>$tfqty</td><td align='right'>Rs.$tfval.00</td><td align='right'>$trqty</td><td align='right'>Rs.$trval.00</td><td align='right'>$tuqty</td><td align='right'>Rs.$tuval.00</td><td align='right'>$tjqty</td><td align='right'>Rs.$tjval.00</td><td align='right'>$tcqty</td><td align='right'>Rs.$tcval.00&nbsp;</td></tr>";
echo "</table>";
echo '<p><p><input type="submit" name="submit" value="PRINT" onclick="window.print()">';

?>