<?php
/*********************************************************************************
 *
 * TimeTrex is a Workforce Management program developed by
 * TimeTrex Software Inc. Copyright (C) 2003 - 2021 TimeTrex Software Inc.
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by
 * the Free Software Foundation with the addition of the following permission
 * added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED
 * WORK IN WHICH THE COPYRIGHT IS OWNED BY TIMETREX, TIMETREX DISCLAIMS THE
 * WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * 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 GNU Affero General Public License for more
 * details.
 *
 *
 * You should have received a copy of the GNU Affero General Public License along
 * with this program; if not, see http://www.gnu.org/licenses or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 *
 *
 * You can contact TimeTrex headquarters at Unit 22 - 2475 Dobbin Rd. Suite
 * #292 West Kelowna, BC V4T 2E9, Canada or at email address info@timetrex.com.
 *
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 *
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License
 * version 3, these Appropriate Legal Notices must retain the display of the
 * "Powered by TimeTrex" logo. If the display of the logo is not reasonably
 * feasible for technical reasons, the Appropriate Legal Notices must display
 * the words "Powered by TimeTrex".
 *
 ********************************************************************************/


/**
 * @package PayrollDeduction\CA
 */
class PayrollDeduction_CA_NS extends PayrollDeduction_CA {
	var $provincial_income_tax_rate_options = [
			//No Changes 2012 thru 2022.
			20110101 => [
					[ 'income' => 29590, 'rate' => 8.79, 'constant' => 0 ],
					[ 'income' => 59180, 'rate' => 14.95, 'constant' => 1823 ],
					[ 'income' => 93000, 'rate' => 16.67, 'constant' => 2841 ],
					[ 'income' => 150000, 'rate' => 17.5, 'constant' => 3613 ],
					[ 'income' => 150000, 'rate' => 21.0, 'constant' => 8863 ],
			],
			20100701 => [
					[ 'income' => 29590, 'rate' => 8.79, 'constant' => 0 ],
					[ 'income' => 59180, 'rate' => 14.95, 'constant' => 1823 ],
					[ 'income' => 93000, 'rate' => 16.67, 'constant' => 2841 ],
					[ 'income' => 150000, 'rate' => 17.5, 'constant' => 3613 ],
					[ 'income' => 150000, 'rate' => 24.5, 'constant' => 14113 ],
			],
			20070101 => [
					[ 'income' => 29590, 'rate' => 8.79, 'constant' => 0 ],
					[ 'income' => 59180, 'rate' => 14.95, 'constant' => 1823 ],
					[ 'income' => 93000, 'rate' => 16.67, 'constant' => 2841 ],
					[ 'income' => 93000, 'rate' => 17.5, 'constant' => 3613 ],
			],
	];

	function getProvincialTotalClaimAmount() {
		/*
		BPA = 	Where A ≤ $25,000, BPA is equal to $11,481;
				Where A > $25,000 < $75,000, BPA is equal to:
				$11,481 – [(A – $25,000) × 6%)];*
				Where A ≥ $75,000, BPA is equal to $8,481

		$11,481 High Basic Claim Amount -- **This should be set in Data.class.php**
		$8,481 Low Basic Claim Amount
		*/

		$BPA = parent::getProvincialTotalClaimAmount();
		if ( $this->getDate() >= 20180101 && $BPA > 0 ) {
			$high_claim_amount = $this->getBasicProvinceClaimCodeAmount();
			$low_claim_amount = 8481;

			$A = $this->getAnnualTaxableIncome();

			if ( $A <= 25000 ) {
				$BPA = $high_claim_amount;
			} else if ( $A > 25000 && $A < 75000 ) {
				$BPA = bcsub( $high_claim_amount, bcmul( bcsub( $A, 25000 ), 0.06 ) );
			} else if ( $A > 75000 ) {
				$BPA = $low_claim_amount;
			}

			Debug::text( 'BPA: ' . $BPA . ' Claim Amount: High: ' . $high_claim_amount . ' Low: ' . $low_claim_amount . ' A: ' . $A, __FILE__, __LINE__, __METHOD__, 10 );
		}

		return $BPA;
	}
}

?>