<?php
/**
 * Graytech Hosting - Highly detailed PDF invoice
 */
require_once PATH_MODULES.'invoice/invoice_base_fpdf.inc.php';

class pdf_invoice_overview extends pdf_invoice_base {
	var $v, $i, $y;

	# Current line being printed
	private $sum_y = 0;

	/**
	 * Draw the logo
	 */
	public function drawCompanyLogo() {
		$x = 9; $y = 7;
		$size = 25;
		$logo = sprintf('%s/%s',PATH_THEMES.DEFAULT_THEME,'invoice/invoice-logo.png');

		if (is_file($logo))
			$this->Image($logo,$x,$y,$size);
	}

	/**
	 * Draw the Company Address
	 */
	public function drawCompanyAddress($inv) {
		global $C_translate;

		# Add the company address next to the logo
		$x = 40; $y = 9;

		$this->SetFont('arial','B',10);
		$this->SetXY($x,$y);	$this->Cell(0,0,$inv->print['site']['NAME']); $y += 4;

		$this->SetFont('arial','',10);
		$this->SetXY($x,$y);	$this->Cell(0,0,$inv->print['site']['TAXID']); $y += 6;

		$this->SetXY($x,$y);	$this->Cell(0,0,$inv->print['site']['ADDRESS']); $y += 4;
		$this->SetXY($x,$y);	$this->Cell(0,0,sprintf('%s, %s %s',$inv->print['site']['CITY'],$inv->print['site']['STATE'],$inv->print['site']['ZIP']));	$y += 4;

		$y += 2;
		$this->SetXY($x,$y);	$this->Cell(0,0,'Phone:'); $this->SetXY($x+16,$y); $this->Cell(0,0,$inv->print['site']['PHONE']); $y += 4;
		$this->SetXY($x,$y);	$this->Cell(0,0,'Fax:'); $this->SetXY($x+16,$y); $this->Cell(0,0,$inv->print['site']['FAX']); $y += 4;
		$this->SetXY($x,$y);	$this->Cell(0,0,'Web:'); $this->SetXY($x+16,$y); $this->Cell(0,0,$inv->print['site']['URL']); $y += 4;
	}

	public function drawRemittenceStub($inv) {
		global $C_translate;

		# Draw the remittance line
		$this->Line(9,195,200,195);

		$x = 18; $y = 200;

		$this->SetFont('arial','B',13);
		$this->SetXY($x,$y);	$this->Cell(0,0,$C_translate->translate('pdf_payment_remit','setup_invoice')); $y +=5;

		$this->SetFont('arial','',8);
		$this->SetXY($x,$y);	$this->Cell(0,0,$C_translate->translate('pdf_return1','setup_invoice')); $y +=3;
		$this->SetXY($x,$y);	$this->Cell(0,0,$C_translate->translate('pdf_return2','setup_invoice').' '.$inv->print['site']['NAME']);

		# Due Date
		$x = 110; $y = 200;
		$this->SetFont('arial','',10);
		$this->SetXY($x,$y);	$this->Cell(0,0,$C_translate->translate('pdf_bill_date','setup_invoice'));
		$this->SetFont('arial','B',11);
		$this->SetXY($x,$y);	$this->Cell(0,0,date(UNIX_DATE_FORMAT,$inv->print['invoice']['date_orig']),0,0,'R');

		# Account ID
		$y = 205;
		$this->SetFont('arial','',10);
		$this->SetXY($x,$y);	$this->Cell(0,0,$C_translate->translate('pdf_account_number','setup_invoice'));
		$this->SetFont('arial','B',11);
		$this->SetXY($x,$y);	$this->Cell(0,0,sprintf('%06s',$inv->print['account']['id']),0,0,'R');

		# Invoice number
		$y = 210;
		$this->SetFont('arial','',10);
		$this->SetXY($x,$y);	$this->Cell(0,0,$C_translate->translate('pdf_invoice_number','setup_invoice'));
		$this->SetFont('arial','B',11);
		$this->SetXY($x,$y);	$this->Cell(0,0,sprintf('%06s',$inv->getPrintInvoiceNum()),0,0,'R');

		# Company Address
		$y = 216;
		$this->SetFont('arial','',10);
		$this->SetXY(18,$y);	$this->Cell(0,0,$inv->print['site']['NAME']); $y += 4;
		$this->SetXY(18,$y);	$this->Cell(0,0,$inv->print['site']['ADDRESS']); $y += 4;
		$this->SetXY(18,$y);	$this->Cell(0,0,sprintf('%s, %s %s',$inv->print['site']['CITY'],$inv->print['site']['STATE'],$inv->print['site']['ZIP']));	$y += 4;

		# Previous Due
		$y = 215;
		$this->SetFont('arial','',9);
		$this->SetXY($x,$y);	$this->Cell(0,0,'Previous Due');
		$this->SetXY($x,$y);	$this->Cell(0,0,$this->_currency($inv->sPreviousBalance()),0,0,'R');

		$y = 219;
		$this->SetFont('arial','',9);
		$this->SetXY($x,$y);	$this->Cell(0,0,$C_translate->translate('pdf_amount_due_by','setup_invoice').' '.date(UNIX_DATE_FORMAT,$inv->print['invoice']['due_date']));
		$this->SetXY($x,$y);	$this->Cell(0,0,$this->_currency($inv->print['invoice']['total_amt']-$inv->print['invoice']['billed_amt']),0,0,'R');

		# Total Due
		$y = 224;
		$this->SetFont('arial','B',10);
		$this->SetXY($x,$y);	$this->Cell(0,0,'Total Due');
		$this->SetXY($x,$y);	$this->Cell(0,0,$this->_currency($inv->sPreviousBalance()+$inv->print['invoice']['total_amt']-$inv->print['invoice']['billed_amt']),0,0,'R');

		# Draw the Customers Address
		$x = 25; $y = 248;

		$this->SetFont('arial','B',12);

		if ($this->billToCompany && ! empty($inv->print['account']['company']))
			$name = $inv->print['account']['company'];
		else
			$name = sprintf('%s %s',$inv->print['account']['first_name'],$inv->print['account']['last_name']);

		$this->SetXY($x,$y); 	$this->Cell(0,0,html_entity_decode($name,ENT_NOQUOTES)); $y += 5;
		$this->SetXY($x,$y);	$this->Cell(0,0,sprintf('%s %s ',$inv->print['account']['address1'],$inv->print['account']['address2'])); $y += 5;
		$this->SetXY($x,$y);	$this->Cell(0,0,sprintf('%s, %s %s',$inv->print['account']['city'],$inv->print['account']['state'],$inv->print['account']['zip']));	$y += 5;
	}

	public function drawInvoiceHeader($inv) {
		global $C_translate;

		$x = 125; $y = 10;

		# Draw a box.
		$this->SetFillColor(245);
		$this->SetXY($x-1,$y-3);	$this->Cell(0,35+($inv->print['invoice']['billed_amt'] ? 5 : 0),'',1,0,'',1);

		# Draw a box around the invoice due date and amount due.
		$this->SetFont('arial','B',11);
		$this->SetXY($x,$y);	$this->Cell(0,0,'TAX INVOICE');
		$this->SetFont('arial','B',11);
		$this->SetXY($x,$y);	$this->Cell(0,0,sprintf('%06s',$inv->getPrintInvoiceNum()),0,0,'R');

		# Invoice number at top of page.
		$y += 7;
		$this->SetFont('arial','',10);
		$this->SetXY($x,$y);	$this->Cell(0,0,$C_translate->translate('pdf_bill_date','setup_invoice')); $y += 5;
		$this->SetXY($x,$y);	$this->Cell(0,0,$C_translate->translate('pdf_amount_due_by','setup_invoice'));
		$this->SetFont('arial','B',11);

		$y -= 5;
		$this->SetXY($x,$y);	$this->Cell(0,0,date(UNIX_DATE_FORMAT,$inv->print['invoice']['date_orig']),0,0,'R'); $y += 5;
		$this->SetXY($x,$y);	$this->Cell(0,0,date(UNIX_DATE_FORMAT,$inv->print['invoice']['due_date']),0,0,'R');

		$y += 5;
		$this->SetFont('arial','',10);
		$this->SetXY($x,$y);	$this->Cell(0,0,'Previous Due');
		$this->SetFont('arial','B',11);
		$this->SetXY($x+55,$y);	$this->Cell(0,0,$this->_currency($inv->sPreviousBalance()),0,0,'R');

		$y += 5;
		$this->SetFont('arial','',10);
		$this->SetXY($x,$y);	$this->Cell(0,0,$C_translate->translate('pdf_current_charges','setup_invoice'));
		$this->SetFont('arial','B',11);
		$this->SetXY($x+55,$y);	$this->Cell(0,0,$this->_currency($inv->print['invoice']['total_amt']),0,0,'R');

		if ($inv->print['invoice']['billed_amt']) {
			$y += 5;
			$this->SetFont('arial','',10);
			$this->SetXY($x,$y);	$this->Cell(0,0,'Payments Received');
			$this->SetFont('arial','B',11);
			$this->SetXY($x+55,$y);	$this->Cell(0,0,$this->_currency($inv->print['invoice']['billed_amt']),0,0,'R');
		}

		$y += 5;
		$this->SetFont('arial','',10);
		$this->SetXY($x,$y);	$this->Cell(0,0,'Total Payable');
		$this->SetFont('arial','B',11);
		$this->SetXY($x+55,$y);	$this->Cell(0,0,$this->_currency($inv->sPreviousBalance()+$inv->print['invoice']['total_amt']-$inv->print['invoice']['billed_amt']),0,0,'R');
	}

	#@todo Limit the size of the news to 6 lines
	public function drawNews($news) {
		global $C_translate;

		if (! $news)
			return;

		$x = 9; $y = 170;

		# Draw a box.
		$this->SetFillColor(243);
		$this->SetXY($x-1,$y-3);	$this->Cell(0,20,'',1,0,'',1);

		$this->SetFont('arial','',8);
		$this->SetXY($x,$y);	$this->MultiCell(0,3,str_replace('\n',"\n",$news),0,'L',0);
	}

	#@todo make this list dynamic
	public function drawPaymentMethods($inv) {
		$x = 110; $y = 242;

		# Draw a box.
		$this->SetFillColor(235);
		$this->SetXY($x-1,$y-3);	$this->Cell(0,32,'',1,0,'',1);

		$this->SetFont('arial','B',8);
		$this->SetXY($x,$y);	$this->Cell(0,0,'This invoice can also be paid by:'); $y += 4;

		# Direct Debit
		$logo = sprintf('%s/%s',PATH_THEMES.DEFAULT_THEME,'invoice/invoice-payment-dd.png');
		$this->Image($logo,$x+1,$y,8);
		$this->SetFont('arial','B',8);
		$this->SetXY($x+10,$y);	$this->Cell(0,0,'Direct Credit to our Bank Account'); $y += 3;
		$this->SetFont('arial','',8);
		$this->SetXY($x+10,$y);	$this->Cell(0,0,'BSB:'); $y += 3;
		$this->SetXY($x+10,$y);	$this->Cell(0,0,'ACCOUNT:'); $y += 3;
		$this->SetXY($x+10,$y);	$this->Cell(0,0,'REF:'); $y += 3;

		$y -= 9;
		$this->SetFont('arial','B',8);
		$this->SetXY($x+30,$y);	$this->Cell(0,0,'633-000'); $y += 3;
		$this->SetXY($x+30,$y);	$this->Cell(0,0,'120 440 821'); $y += 3;
		$this->SetXY($x+30,$y);	$this->Cell(0,0,$inv->getPrintInvoiceID()); $y += 3;

		# Direct Debit
		$y += 3;
		$logo = sprintf('%s/%s',PATH_THEMES.DEFAULT_THEME,'invoice/invoice-payment-dd.png');
		$this->Image($logo,$x+1,$y,8);
		$this->SetFont('arial','B',8);
		$this->SetXY($x+10,$y);	$this->Cell(0,0,'Direct Debit'); $y += 3;
		$this->SetFont('arial','',8);
		$this->SetXY($x+10,$y);	$this->Cell(0,0,'Please visit '.$inv->print['site']['URL']); $y += 3;
	}

	/**
	 * Draw previous invoices due
	 */
	public function drawSummaryInvoicesDue($items) {
		$x = 125; $y = $this->sum_y ? $this->sum_y : 50;

		# Calculate the box size
		$box = count($items) < $this->itemsPreviousMax ? count($items) : $this->itemsPreviousMax;

		# Draw a box.
		$this->SetFillColor(245);
		$this->SetXY($x-1,$y-3);	$this->Cell(0,5*(1+$box)+1,'',1,0,'',1);

		$this->SetFont('arial','B',11);
		$this->SetXY($x,$y); $this->Cell(0,0,'Previous Invoices due'); $y += 5;

		$this->SetFont('arial','',11);
		$i = 0;
		$sum_total = 0;
		foreach ($items as $line) {
			if (++$i < $this->itemsPreviousMax) {
				$this->SetXY($x,$y);
				$this->Cell(0,0,sprintf('%s  #%06s',date(UNIX_DATE_FORMAT,$line['date_orig']),$line['id']));
				$this->Cell(0,0,$this->_currency($line['total_amt']-$line['billed_amt']),0,0,'R'); $y += 5;

			} else {
				$sum_total += $line['total_amt']-$line['billed_amt'];
			}
		}

		if ($sum_total) {
			$this->SetXY($x,$y);
			$this->SetFont('arial','I',11);
			$this->Cell(0,0,'Other invoices');
			$this->SetFont('arial','',11);
			$this->Cell(0,0,$this->_currency($sum_total),0,0,'R'); $y += 5;
		}

		$this->sum_y = $y+5;
	}

	/**
	 * Called before begining to loop the invoice_item table. Used to set initial values.
	 */
	public function drawLineItems_pre($iteration) {
		$this->iteration = $iteration;
		if ($iteration>1)
			return false;

		return true;
	}

	/**
	 * Called once per line item to add to the PDF invoice. This function serves to
	 * direct each iteration to a different function which handles a specific piece
	 * of the PDF building puzzle.
	 */
	public function drawLineItems($db,$line,$invnum) {
		switch($this->iteration) {
			case 0:
				$this->drawLineItems_0($db,$line,$invnum);
				break;

			case 1:
				$this->drawLineItems_1($db,$line,$invnum);
				break;

			default:
				echo 'Unknown PDF iteration encountered. Halting.';
				exit;
		}
	}

	/**
	 * Draws the non-VoIP related items for iteration 0.
	 */
	private function drawLineItems_0($db,$line,$invnum) {
		global $C_translate;

		if ($line['price_type'] == 0 && $line['item_type'] == 5)
			return;

		$x = 10; $y = 5;
		if ($this->i == 0 || $this->i%51 == 0) {
			$this->AddPage();

			$this->SetFont('arial','B',12);
			$this->SetXY($x,$y); $this->Cell(0,0,$C_translate->translate('pdf_itemized_charges','setup_invoice'));
			$this->Cell(0,0,$C_translate->translate('pdf_page','setup_invoice').$this->PageNo(),0,0,'R');
			$this->SetXY($x,$y); $this->Cell(0,0,$C_translate->translate('pdf_invoice_number_small','setup_invoice').$invnum,0,0,'C');

			# Draw table headers
			$y += 10;
			$this->SetFont('arial','B',8);
			$this->SetXY($x,$y);
			$this->Cell(0,0,$C_translate->translate('pdf_item_description','setup_invoice'));
			$this->SetX($x+135);
			$this->Cell(0,0,$C_translate->translate('pdf_item_quantity','setup_invoice'));
			$this->SetX($x+160);
			$this->Cell(10,0,$C_translate->translate('pdf_item_cost','setup_invoice'),0,0,'R');
			$this->SetX($x+135);
			$this->Cell(0,0,$C_translate->translate('pdf_item_amount','setup_invoice'),0,0,'R');
			$this->Line($x,$y+2,200,$y+2);
			$y += 5;
			$this->SetY($y);
		}

		$this->SetFont('arial','',8);
		$this->SetX($x);
		$this->Cell(0,0,$line['name']);

		if (isset($line['price_base'])) {
			$this->SetX($x+160);
			$this->Cell(10,0,$this->_currency($line['price_base']),0,0,'R');
		}

		if (isset($line['qty'])) {
			$this->SetX($x+130);
			$this->Cell(10,0,$line['qty'],0,0,'R');
		}

		$this->SetX($x+130); 
		$this->Cell(0,0,$this->_currency($line['total_amt']),0,0,'R');

		if ($this->show_service_range && $line['daterange']) {
			$this->SetFont('arial','I',7);
			$y += 3;
			$this->SetXY($x+10,$y); $this->Cell(0,0,'Service Period');
			$this->SetFont('arial','',7);
			$this->SetXY($x+40,$y); $this->Cell(0,0,$line['daterange']);
		}

		if ($line['domain']) {
			$this->SetFont('arial','I',7);
			$y += 3;
			$this->SetXY($x+10,$y); $this->Cell(0,0,'Domain');
			$this->SetFont('arial','',7);
			$this->SetXY($x+40,$y); $this->Cell(0,0,$line['domain']);
		}

		if ($line['attr']) {
			$showchars = 20;
			foreach (explode("\n",$line['attr']) as $attr) {
				list($field,$value) = explode('==',$attr);

				$this->SetFont('arial','I',7);
				$this->y += 3;
				$this->SetXY(20,$this->y); $this->Cell(0,0,strlen($field) > $showchars ? substr($field,0,$showchars-2).'...' : $field);
				$this->SetFont('arial','',7);
				$this->SetXY(50,$this->y); $this->Cell(0,0,$value);
			}
		}

		$this->y += 5;
		$this->SetY($this->y);
		$this->i++;
	}

	/**
	 * Draws the Item Detail for Iteration 1.
	 */
	private function drawLineItems_1($db,$line,$invnum) {
		global $C_translate;

		if ($this->show_itemized != 1) return;
		if ($line['price_type'] != 0 || $line['item_type'] != 5)
			return;

		$x = 10; $y = 5;
		if ($this->i == 0 || $this->i%51 == 0) {
			$this->AddPage();

			$this->SetFont('arial','B',12);
			$this->SetXY($x,$y); $this->Cell(0,0,$C_translate->translate('pdf_itemized_calls','setup_invoice'));
			$this->Cell(0,0,$C_translate->translate('pdf_page','setup_invoice').$this->PageNo(),0,0,'R');
			$this->SetXY($x,$y); $this->Cell(0,0,$C_translate->translate('pdf_invoice_number_small','setup_invoice').$invnum,0,0,'C');

			# Draw table headers
			$this->SetFont('arial','B',8);
			$this->SetXY($x,$y);
			$this->Cell(0,0,$C_translate->translate('pdf_item_from','setup_invoice'));
			$this->SetX(69);
			$this->Cell(0,0,$C_translate->translate('pdf_item_to','setup_invoice'));
			$this->SetX(119);
			$this->Cell(0,0,'Date & Time');
			$this->SetX(160);
			$this->Cell(10,0,'Seconds' /*$C_translate->translate('pdf_item_min','setup_invoice')*/,0,0,'R');
			$this->SetX($x+135);
			$this->Cell(0,0,$C_translate->translate('pdf_item_amount','setup_invoice'),0,0,'R');
			$this->Line($x,$y+4,200,$y+4);
			$y += 5;
			$this->SetY($y);
		}

		if ($line['price_type'] != 0) {
			$this->SetFont('arial','I',6);
		} else {
			$this->SetFont('arial','',6);
		}

		$val = $line['name'];
		if (strlen($line['attr'])) {
			$val = "";
			$atrs = preg_split("/\r\n/", str_replace('\r\n',"\r\n",$line['attr']));
			foreach ($atrs as $a) {
				$parts = preg_split("/==/", $a);
				switch ($parts[0]) {
					case "Destination":
						$this->SetX(69);
						$this->Cell(0,0,$parts[1]);
						$cc = ""; $npa = ""; $nxx = ""; $e164 = "";
						if ($this->v->e164($parts[1], $e164, $cc, $npa, $nxx)) {
							$this->SetX(89);
							$this->Cell(0,0,substr($this->v->where_is($db, $cc, $npa, $nxx), 0, 20));
						}
						break;
					case "Source":
						$this->SetX(9);
						$this->Cell(0,0,$parts[1]);
						$cc = ""; $npa = ""; $nxx = ""; $e164 = "";
						if ($this->v->e164($parts[1], $e164, $cc, $npa, $nxx)) {
							$this->SetX(29);
							$this->Cell(0,0,substr($this->v->where_is($db, $cc, $npa, $nxx), 0, 20));
						}
						break;
					case "parent_service_id":
						$sql = sqlSelect($db,"service","prod_attr","id=::".$parts[1]."::");
						$rstmp = $db->Execute($sql);
						$atrs2 = split("\r\n", $rstmp->fields['prod_attr']);
						foreach ($atrs2 as $a2) {
							$parts2 = split("==", $a2);
							switch ($parts2[0]) {
								case "station":
								case "ported":
									$val = $line['name']." for ".$parts2[1];
									break;
								default:
									break;
							}
						}
						break;
					case "station":
					case "ported":
						$val = $line['name']." for ".$parts[1];
						break;
					case "date_orig":
						$this->SetX(119);
						$this->Cell(0,0,date(UNIX_DATE_FORMAT." H:i:s",$parts[1]));
						break;
					case "voip_cdr_id":
						$sql = "SELECT billsec, amount FROM ".AGILE_DB_PREFIX."voip_cdr WHERE site_id=".DEFAULT_SITE." AND id=".$parts[1];
						$row = $db->GetRow($sql);
						$this->SetX(160);
						$this->Cell(10,0,$row[0],0,0,'R');
						$this->SetX(160);
						$this->Cell(0,0,$this->_currency($row[1]),0,0,'R');
						$val = "";
					default:
						break;
				}
			}
		}

		$this->SetX(9);
		$this->Cell(0,0, $val);
		if ($line['price_type'] == 0) {
			$this->SetX(160);
			//$this->Cell(10,0, $line['qty']." M",0,0,'R');
		} else {
			$q = $line['qty'];
			if(empty($q)) $q = 1;
			$this->SetX(160);
			$this->Cell(10,0, $line['qty'],0,0,'R');
		$this->SetX($x+135); 
		$this->Cell(0,0, $this->_currency($line['amount']), 0,0,'R');
		}
		$this->y += 5;
		$this->SetY($this->y);
		$this->i++;
	}

	/**
	 * This will draw the Summary Box, with the summary of the items
	 * on the invoice.
	 */
	public function drawSummaryLineItems($inv) {
		global $C_translate;

		if (! $this->show_itemized)
			return;

		$items = $inv->sInvoiceItemsSummary();

		# Calculate the box size
		$box = count($items) < $this->itemsSummaryMax ? count($items) : $this->itemsSummaryMax;

		$x = 10; $y = $this->sum_y ? $this->sum_y : 55;

		# Draw a box.
		$this->SetFillColor(245);
		$this->SetXY($x-1,$y-3);	$this->Cell(0,5*(1+1+1+5+$box)+1,'',1,0,'',1);

		$this->SetFont('arial','B',11);
		$this->SetXY($x,$y); $this->Cell(0,0,$C_translate->translate('pdf_cur_charge_summary','setup_invoice')); $y += 5;

		$this->SetY($y);
		$this->SetFont('arial','',9);

		$i=0;
		if (is_array($items)) {
			foreach($items as $line) {
				$this->SetX($x);

				$q = $line['quantity'];
				if (empty($q))
					$q = 1;

				$this->Cell(0,0,$q);
				$this->SetX($x+8);
				$this->Cell(0,0,sprintf('%s (%s)',$line['product_name'],$this->_currency($line['price_base'])));
				$this->SetX($x+135); 
				$this->Cell(0,0,$this->_currency($line['price_base']*$line['quantity']),0,0,'R');
				$y += 5;
				$this->SetY($y);
				$i++;
				if ($i > $this->itemsSummaryMax) {
					$this->SetFont('arial','B',11);
					$this->SetX($x);
					$this->Cell(0,0,$C_translate->translate('pdf_summary','setup_invoice'));
					break;
				}
			}

			# Calculate our rounding error
			$subtotal = 0;
			foreach($items as $line)
				$subtotal += $line['price_base']*$line['quantity'];

			$subtotal = round($subtotal,2);

			if (round($inv->print['invoice']['total_amt']-$inv->print['invoice']['tax_amt'],2) != $subtotal) {
				$this->SetFont('arial','',9);
				$this->SetX($x);
				$this->Cell(0,0,'Rounding');
				$this->SetX($x+135); 
				$this->Cell(0,0,$this->_currency($inv->print['invoice']['total_amt']-$inv->print['invoice']['tax_amt']-$subtotal),0,0,'R');
				$y += 5;
				$this->SetY($y);
			}
			
			# @todo Draw discounts
			# Sub total and tax.
			$y += 5;
			$this->SetY($y);
			$this->SetFont('arial','B',9);
			$this->SetX($x+8);
			$this->Cell(0,0,'Sub Total');
			$this->SetX($x+135); 
			$this->Cell(0,0,$this->_currency($inv->print['invoice']['total_amt']-$inv->print['invoice']['tax_amt']),0,0,'R');

			$y += 5;
			$this->SetY($y);
			$this->SetX($x+8);
			$this->Cell(0,0,'Taxes');
			$this->SetX($x+135); 
			$this->Cell(0,0,$this->_currency($inv->print['invoice']['tax_amt']),0,0,'R');

			$y += 5;
			$this->SetY($y);
			$this->SetX($x+8);
			$this->Cell(0,0,'Total Charges');
			$this->SetX($x+135); 
			$this->Cell(0,0,$this->_currency($inv->print['invoice']['total_amt']),0,0,'R');

			$y += 5;
			$this->SetY($y);
			$this->SetX($x+8);
			$this->Cell(0,0,'Payments Received');
			$this->SetX($x+135); 
			$this->Cell(0,0,$this->_currency($inv->print['invoice']['billed_amt']),0,0,'R');

			$y += 5;
			$this->SetY($y);
			$this->SetX($x+8);
			$this->Cell(0,0,'Balance Due');
			$this->SetX($x+135); 
			$this->Cell(0,0,$this->_currency($inv->print['invoice']['total_amt']-$inv->print['invoice']['billed_amt']),0,0,'R');
		}
	}
}
?>