<?php
/**********************************************************************
	Copyright (C) NotrinosERP.
	Released under the terms of the GNU General Public License, GPL, 
	as published by the Free Software Foundation, either version 3 
	of the License, or (at your option) any later version.
	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
	See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
***********************************************************************/
$page_security = 'SA_SUPPLIERANALYTIC';
$path_to_root = '..';

include_once($path_to_root.'/includes/session.inc');
include_once($path_to_root.'/includes/date_functions.inc');
include_once($path_to_root.'/includes/data_checks.inc');
include_once($path_to_root.'/includes/banking.inc');
include_once($path_to_root.'/gl/includes/gl_db.inc');
include_once($path_to_root.'/inventory/includes/db/items_category_db.inc');

//----------------------------------------------------------------------------------------------------

print_inventory_purchase();

function getTransactions($category, $location, $fromsupp, $item, $from, $to) {
	$from = date2sql($from);
	$to = date2sql($to);
	$sql = "SELECT item.category_id,
			category.description AS cat_description,
			item.stock_id,
			item.description, item.inactive,
			move.loc_code,
			supplier.supplier_id,
			supplier.supp_name AS supplier_name,
			move.trans_no,
			move.tran_date,
			move.qty AS qty,
			move.price
		FROM ".TB_PREF."stock_moves move
				LEFT JOIN ".TB_PREF."supp_trans credit ON credit.trans_no=move.trans_no AND credit.type=move.type
				LEFT JOIN ".TB_PREF."grn_batch grn ON grn.id=move.trans_no AND 25=move.type
				LEFT JOIN ".TB_PREF."suppliers supplier ON IFNULL(grn.supplier_id, credit.supplier_id)=supplier.supplier_id,
			".TB_PREF."stock_master item,
			".TB_PREF."stock_category category
		WHERE item.stock_id=move.stock_id
		AND item.category_id=category.category_id
		AND move.tran_date>='$from'
		AND move.tran_date<='$to'
		AND (move.type=".ST_SUPPRECEIVE." OR move.type=".ST_SUPPCREDIT.")
		AND (item.mb_flag='B' OR item.mb_flag='M')";
		if ($category != 0)
			$sql .= " AND item.category_id = ".db_escape($category);
		if ($location != '')
			$sql .= " AND move.loc_code = ".db_escape($location);
		if ($fromsupp != '')
			$sql .= " AND supplier.supplier_id = ".db_escape($fromsupp);
		if ($item != '')
			$sql .= " AND item.stock_id = ".db_escape($item);
		$sql .= " ORDER BY move.tran_date, move.trans_no,
			supplier.supp_name, item.category_id, item.stock_id";
	return db_query($sql, 'No transactions were returned');

}

function get_supp_inv_reference($supplier_id, $stock_id, $date) {
	$sql = "SELECT trans.supp_reference
		FROM ".TB_PREF."supp_trans trans,
			".TB_PREF."supp_invoice_items line,
			".TB_PREF."grn_batch batch,
			".TB_PREF."grn_items item
		WHERE trans.type=line.supp_trans_type
		AND trans.trans_no=line.supp_trans_no
		AND item.grn_batch_id=batch.id
		AND item.item_code=line.stock_id
		AND trans.supplier_id=".db_escape($supplier_id)."
		AND line.stock_id=".db_escape($stock_id)."
		AND trans.tran_date=".db_escape($date);
	$result = db_query($sql, 'No transactions were returned');
	$row = db_fetch_row($result);

	return isset($row[0]) ? $row[0] : '';
}

//----------------------------------------------------------------------------------------------------

function print_inventory_purchase() {
	global $path_to_root;

	$from = $_POST['PARAM_0'];
	$to = $_POST['PARAM_1'];
	$category = $_POST['PARAM_2'];
	$location = $_POST['PARAM_3'];
	$fromsupp = $_POST['PARAM_4'];
	$item = $_POST['PARAM_5'];
	$comments = $_POST['PARAM_6'];
	$orientation = $_POST['PARAM_7'];
	$destination = $_POST['PARAM_8'];
	if ($destination)
		include_once($path_to_root.'/reporting/includes/excel_report.inc');
	else
		include_once($path_to_root.'/reporting/includes/pdf_report.inc');

	$orientation = ($orientation ? 'L' : 'P');
	$dec = user_price_dec();

	if ($category == ALL_NUMERIC)
		$category = 0;
	$cat = $category == 0 ? _('All') : get_category_name($category);
	$loc = $location == '' ? _('All') : get_location_name($location);
	$froms = $fromsupp == '' ? _('All') : get_supplier_name($fromsupp);
	$itm = $item == '' ? _('All') : $item;

	$cols = array(0, 50, 180, 230, 275, 400, 420, 465,	520);

	$headers = array(_('Item'), _('Description'), _('Date'), _('#'), _('Supplier'), _('Qty'), _('Unit Price'), _('Location'));
	if ($fromsupp != '')
		$headers[4] = '';

	$aligns = array('left',	'left',	'left', 'left', 'left', 'left', 'right', 'right');

	$params = array(0 => $comments,
					1 => array('text' => _('Period'),'from' => $from, 'to' => $to),
					2 => array('text' => _('Category'), 'from' => $cat, 'to' => ''),
					3 => array('text' => _('Location'), 'from' => $loc, 'to' => ''),
					4 => array('text' => _('Supplier'), 'from' => $froms, 'to' => ''),
					5 => array('text' => _('Item'), 'from' => $itm, 'to' => ''),
					6 => array('text' => _('Note'), 'from' => _('The lines separate the transactions.'), 'to' => ''));

	$rep = new FrontReport(_('Inventory Purchasing - Transaction Based'), 'InventoryPurchasingTransactionsReport', user_pagesize(), 9, $orientation);
	if ($orientation == 'L')
		recalculate_cols($cols);

	$rep->Font();
	$rep->Info($params, $cols, $headers, $aligns);
	$rep->NewPage();

	$res = getTransactions($category, $location, $fromsupp, $item, $from, $to);
	$catt = '';
	$stock_description = '';
	$stock_id = '';
	$supplier_name = '';
	$event = '';

	while ($trans=db_fetch($res)) {
		if ($event != $trans['trans_no']) {
			if ($event != '')
				$rep->Line($rep->row - 2);
			$event = $trans['trans_no'];
		}
		$stock_id = $trans['stock_id'];
		$stock_description = $trans['description'];
		$curr = get_supplier_currency($trans['supplier_id']);
		$rate = get_exchange_rate_from_home_currency($curr, sql2date($trans['tran_date']));
		$trans['price'] *= $rate;
		//$rep->NewLine();
		$trans['supp_reference'] = get_supp_inv_reference($trans['supplier_id'], $trans['stock_id'], $trans['tran_date']);

		if ($fromsupp == ALL_TEXT) {
			$rep->TextCol(0, 1, $trans['stock_id']);
			$rep->TextCol(1, 2, $trans['description']. ($trans['inactive'] == 1 ? ' ('._('Inactive').')' : ''), -1);
			$rep->TextCol(2, 3, sql2date($trans['tran_date']));
			$rep->TextCol(3, 4, $trans['supp_reference']);
			$rep->TextCol(4, 5, $trans['supplier_name']);
		}
		else {
			$rep->TextCol(0, 1, $trans['stock_id']);
			$rep->TextCol(1, 2, $trans['description'].($trans['inactive'] == 1 ? ' ('._('Inactive').')' : ''), -1);
			$rep->TextCol(2, 3, sql2date($trans['tran_date']));
			$rep->TextCol(3, 4, $trans['supp_reference']);
		}	
		$rep->AmountCol(5, 6, $trans['qty'], get_qty_dec($trans['stock_id']));
		$rep->AmountCol(6, 7, $trans['price'], $dec);
		$amt = $trans['qty'] * $trans['price'];
		$rep->TextCol(7, 8, get_location_name($trans['loc_code']));
		$rep->NewLine();

		// Left if somebody needs them for own needs
		// $total += $amt;
		// $total_supp += $amt;
		// $grandtotal += $amt;
		// $total_qty += $trans['qty'];
	}

	$rep->Line($rep->row - 4);
	$rep->NewLine();
	$rep->End();
}
