<?php
/**********************************************************************
    Copyright (C) FrontAccounting, LLC.
	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>.
***********************************************************************/

function process_fixed_asset_depreciation($stock_id, $gl_rows, $refline, $memo_)
{
  global $Refs;

  $row = get_item($stock_id);
  $old_cost = $row['material_cost'];

  begin_transaction();

  $date_ = Today();
  if (!is_date_in_fiscalyear($date_))
    $date_ = end_fiscalyear();

  $stock_gl_code = get_stock_gl_code($stock_id);

  $cart = new items_cart(ST_JOURNAL);
  $cart->tran_date = $cart->doc_date = $cart->event_date = $date_;
  $cart->tran_date = end_fiscalyear();
  $cart->reference = $Refs->get_next(ST_JOURNAL, $refline, $cart->tran_date, $date_);

  $value_of_change = 0;
  foreach ($gl_rows as $row) {
    $value_of_change += round($row['value'], 2);

    $cart->add_gl_item($stock_gl_code["adjustment_account"],
        $stock_gl_code["dimension_id"], $stock_gl_code["dimension2_id"], -$row['value'],
        '', null, null, $row['date']);
    $cart->add_gl_item($stock_gl_code["cogs_account"], 0, 0, $row['value'],
        '', null, null, $row['date']);
  }

  $new_cost = $old_cost - $value_of_change;

  if (empty($memo_))
    $cart->memo_ = sprintf(_("Fixed asset has been deprecated by the value of %s"),
        number_format2($value_of_change, 2));
  else
    $cart->memo_ = $memo_;

  $trans_no = write_journal_entries($cart);

  $sql = "UPDATE ".TB_PREF."stock_master SET 
    depreciation_date='".date2sql($cart->tran_date)."',
    material_cost=".db_escape($new_cost).",
    last_cost=".db_escape($old_cost)."
    WHERE stock_id=".db_escape($stock_id);
  db_query($sql,"The depreciation start date could not be updated");

  $update_no = -1;
  add_audit_trail(ST_JOURNAL, $update_no, $date_);
  commit_transaction();

  return $trans_no;
}

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

function get_fixed_asset_move($stock_id, $tran_type) {

  $sql = "SELECT * FROM ".TB_PREF."stock_moves 
	    WHERE stock_id=".db_escape($stock_id)."
	    	AND type=".db_escape($tran_type);

  $result = db_query($sql, "cannot retrieve fixed asset move");

  if (db_num_rows($result) == 0)
    return false;

  $row = db_fetch_assoc($result);
  return $row;
}

function get_fixed_asset_disposal($stock_id) {

  $sql = "SELECT * FROM ".TB_PREF."stock_moves 
    	WHERE stock_id=".db_escape($stock_id)."
    		AND (type=".ST_INVADJUST." OR type=".ST_CUSTDELIVERY.")";

  $result = db_query($sql, "cannot retrieve fixed asset move");

  if (db_num_rows($result) == 0)
    return false;

  $row = db_fetch_assoc($result);
  return $row;
}

function get_fixed_asset_purchase($stock_id) {

  $sql = "SELECT * 
  	FROM ".TB_PREF."stock_master m, "
  		.TB_PREF."supp_invoice_items i, "
  		.TB_PREF."supp_trans t
    WHERE m.stock_id=".db_escape($stock_id)."
	    AND i.supp_trans_no=t.trans_no
    	AND m.stock_id=i.stock_id";

  $result = db_query($sql, "cannot retrieve fixed asset move");

  if (db_num_rows($result) == 0)
    return false;

  $row = db_fetch_assoc($result);
  return $row;
}

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

function get_initial_price($stock_id) {
  $row = get_fixed_asset_move($stock_id, ST_SUPPRECEIVE);
  return $row['price'];
}

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

function get_fixed_asset_class($id)
{
	$sql="SELECT * FROM ".TB_PREF."stock_fa_class WHERE fa_class_id=".db_escape($id);

	$result = db_query($sql,"a fixed asset class could not be retrieved");

	return db_fetch($result);
}

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

function get_sql_for_fixed_assets($show_inactive = false)
{
  $sql = "SELECT s.stock_id, c.description, s.units, s.description as name,
    s.depreciation_rate, s.depreciation_method, s.inactive, rcv.tran_date as purchase_date, rcv.trans_no as purchase_no,
    adj.tran_date as disposal_date, adj.type as disposal_type, adj.trans_no as disposal_no, s.material_cost, s.last_cost, s.depreciation_factor
    FROM ".TB_PREF."stock_master s"
    	." LEFT JOIN ".TB_PREF."stock_moves rcv ON rcv.stock_id=s.stock_id AND rcv.type=".ST_SUPPRECEIVE
    	." LEFT JOIN ".TB_PREF."stock_moves adj ON adj.stock_id=s.stock_id AND adj.type IN(".ST_INVADJUST.",".ST_CUSTDELIVERY.")"
    	." LEFT JOIN ".TB_PREF."stock_fa_class c ON s.fa_class_id=c.fa_class_id"
    	." WHERE s.mb_flag='F'";

  if (!$show_inactive)
    $sql .= " AND !s.inactive AND !ISNULL(rcv.tran_date) AND ISNULL(adj.tran_date)";

	return $sql;
}

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

//function get_sql_for_fa_journal_inquiry($stock_id)
//{
//
//	$sql = "SELECT	IF(ISNULL(a.gl_seq),0,a.gl_seq) as gl_seq,
//		gl.tran_date,
//		gl.type as trans_type,
//		gl.type_no as trans_no,
//		IFNULL(max(supp.supp_name), max(cust.name)) as name,
//		refs.reference,
//		SUM(IF(gl.amount>0, gl.amount,0)) as amount,
//		com.memo_,
//		IF(ISNULL(u.user_id),'',u.user_id) as user_id";
//
//	$sql.= " FROM ".TB_PREF."gl_trans as gl
//		 LEFT JOIN ".TB_PREF."audit_trail as a ON
//			(gl.type=a.type AND gl.type_no=a.trans_no)
//		 LEFT JOIN ".TB_PREF."comments as com ON
//			(gl.type=com.type AND gl.type_no=com.id)
//		 LEFT JOIN ".TB_PREF."refs as refs ON
//			(gl.type=refs.type AND gl.type_no=refs.id)
//		 LEFT JOIN ".TB_PREF."users as u ON
//			a.user=u.id
//	 	 LEFT JOIN ".TB_PREF."debtor_trans dt ON dt.type=gl.type AND gl.type_no=dt.trans_no
//	 	 LEFT JOIN ".TB_PREF."debtors_master cust ON gl.person_type_id=2 AND gl.person_id=cust.debtor_no
//	 	 LEFT JOIN ".TB_PREF."supp_trans st ON st.type=gl.type AND gl.type_no=st.trans_no
//	 	 LEFT JOIN ".TB_PREF."suppliers supp ON gl.person_type_id=3 AND gl.person_id=supp.supplier_id
//		 WHERE gl.amount!=0
//     AND NOT ISNULL(a.gl_seq)";
//
////	if (!$alsoclosed) {
////		$sql .= " AND gl_seq=0";
////	}
//// 	else
//// 		$sql .= " AND NOT ISNULL(a.gl_seq)";
//
//	$sql .= " GROUP BY tran_date, gl_seq, trans_type, trans_no";
//
//	return $sql;
//}

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