<?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\US
 */
class PayrollDeduction_US_OH extends PayrollDeduction_US {

	var $state_income_tax_rate_options = [
		//20200101 - No Change here, but there was in the below state_options.
		20190101 => [
				0 => [
						[ 'income' => 5000, 'rate' => 0.5, 'constant' => 0 ],
						[ 'income' => 10000, 'rate' => 1.0, 'constant' => 25.00 ],
						[ 'income' => 15000, 'rate' => 2.0, 'constant' => 75.00 ],
						[ 'income' => 20000, 'rate' => 2.5, 'constant' => 175.00 ],
						[ 'income' => 40000, 'rate' => 3.0, 'constant' => 300.00 ],
						[ 'income' => 80000, 'rate' => 3.5, 'constant' => 900.00 ],
						[ 'income' => 100000, 'rate' => 4.0, 'constant' => 2300.00 ],
						[ 'income' => 100000, 'rate' => 5.0, 'constant' => 3100.00 ],
				],
		],
		20150801 => [
				0 => [
						[ 'income' => 5000, 'rate' => 0.556, 'constant' => 0 ],
						[ 'income' => 10000, 'rate' => 1.112, 'constant' => 27.80 ],
						[ 'income' => 15000, 'rate' => 2.226, 'constant' => 83.40 ],
						[ 'income' => 20000, 'rate' => 2.782, 'constant' => 194.70 ],
						[ 'income' => 40000, 'rate' => 3.338, 'constant' => 333.80 ],
						[ 'income' => 80000, 'rate' => 3.894, 'constant' => 1001.40 ],
						[ 'income' => 100000, 'rate' => 4.451, 'constant' => 2559.00 ],
						[ 'income' => 100000, 'rate' => 5.563, 'constant' => 3449.20 ],
				],
		],
		20140701 => [
				0 => [
						[ 'income' => 5000, 'rate' => 0.574, 'constant' => 0 ],
						[ 'income' => 10000, 'rate' => 1.148, 'constant' => 28.70 ],
						[ 'income' => 15000, 'rate' => 2.297, 'constant' => 86.10 ],
						[ 'income' => 20000, 'rate' => 2.871, 'constant' => 200.95 ],
						[ 'income' => 40000, 'rate' => 3.445, 'constant' => 344.50 ],
						[ 'income' => 80000, 'rate' => 4.019, 'constant' => 1033.50 ],
						[ 'income' => 100000, 'rate' => 4.593, 'constant' => 2641.10 ],
						[ 'income' => 100000, 'rate' => 5.741, 'constant' => 3559.70 ],
				],
		],
		20130901 => [
				0 => [
						[ 'income' => 5000, 'rate' => 0.581, 'constant' => 0 ],
						[ 'income' => 10000, 'rate' => 1.161, 'constant' => 29.05 ],
						[ 'income' => 15000, 'rate' => 2.322, 'constant' => 87.10 ],
						[ 'income' => 20000, 'rate' => 2.903, 'constant' => 203.20 ],
						[ 'income' => 40000, 'rate' => 3.483, 'constant' => 348.35 ],
						[ 'income' => 80000, 'rate' => 4.064, 'constant' => 1044.95 ],
						[ 'income' => 100000, 'rate' => 4.644, 'constant' => 2670.55 ],
						[ 'income' => 100000, 'rate' => 5.805, 'constant' => 3599.35 ],
				],
		],
		20090101 => [
				0 => [
						[ 'income' => 5000, 'rate' => 0.638, 'constant' => 0 ],
						[ 'income' => 10000, 'rate' => 1.276, 'constant' => 31.90 ],
						[ 'income' => 15000, 'rate' => 2.552, 'constant' => 95.70 ],
						[ 'income' => 20000, 'rate' => 3.190, 'constant' => 223.30 ],
						[ 'income' => 40000, 'rate' => 3.828, 'constant' => 382.80 ],
						[ 'income' => 80000, 'rate' => 4.466, 'constant' => 1148.40 ],
						[ 'income' => 100000, 'rate' => 5.103, 'constant' => 2934.80 ],
						[ 'income' => 100000, 'rate' => 6.379, 'constant' => 3955.40 ],
				],
		],
		20080101 => [
				0 => [
						[ 'income' => 5000, 'rate' => 0.672, 'constant' => 0 ],
						[ 'income' => 10000, 'rate' => 1.344, 'constant' => 33.60 ],
						[ 'income' => 15000, 'rate' => 2.687, 'constant' => 100.80 ],
						[ 'income' => 20000, 'rate' => 3.360, 'constant' => 235.15 ],
						[ 'income' => 40000, 'rate' => 4.031, 'constant' => 403.15 ],
						[ 'income' => 80000, 'rate' => 4.703, 'constant' => 1209.35 ],
						[ 'income' => 100000, 'rate' => 5.375, 'constant' => 3090.55 ],
						[ 'income' => 100000, 'rate' => 6.718, 'constant' => 4165.55 ],
				],
		],
		20060101 => [
				0 => [
						[ 'income' => 5000, 'rate' => 0.774, 'constant' => 0 ],
						[ 'income' => 10000, 'rate' => 1.547, 'constant' => 38.70 ],
						[ 'income' => 15000, 'rate' => 3.094, 'constant' => 116.05 ],
						[ 'income' => 20000, 'rate' => 3.868, 'constant' => 270.75 ],
						[ 'income' => 40000, 'rate' => 4.642, 'constant' => 464.15 ],
						[ 'income' => 80000, 'rate' => 5.416, 'constant' => 1392.55 ],
						[ 'income' => 100000, 'rate' => 6.189, 'constant' => 3558.95 ],
						[ 'income' => 100000, 'rate' => 7.736, 'constant' => 4796.75 ],
				],
		],
	];

	var $state_options = [
			20210901 => [
					'allowance' => 650,
					'rate'      => 1.001, //This is the extra multiplier from the "Employer Withholding Taxes: Optional Computer Formula" document, that isn't explained at all.
			],
			20200101 => [
					'allowance' => 650,
					'rate'      => 1.032, //This is the extra multiplier from the "Employer Withholding Taxes: Optional Computer Formula" document, that isn't explained at all.
			],
			20190101 => [
					'allowance' => 650,
					'rate'      => 1.075, //This is the extra multiplier from the "Employer Withholding Taxes: Optional Computer Formula" document, that isn't explained at all.
			],

			//01-Jan-09: No Change.
			20080101 => [
					'allowance' => 650,
			],
			20060101 => [
					'allowance' => 650,
			],
	];

	var $state_ui_options = [
			20220101 => [ 'wage_base' => 9000, 'new_employer_rate' => 2.7 ],
			20210101 => [ 'wage_base' => 9000, 'new_employer_rate' => 2.7 ],
			20200101 => [ 'wage_base' => 9000, 'new_employer_rate' => 2.7 ],
			20190101 => [ 'wage_base' => 9500, 'new_employer_rate' => 2.7 ],
	];

	function getStateAnnualTaxableIncome() {
		$annual_income = $this->getAnnualTaxableIncome();
		$state_allowance = $this->getStateAllowanceAmount();

		$income = bcsub( $annual_income, $state_allowance );

		Debug::text( 'State Annual Taxable Income: ' . $income, __FILE__, __LINE__, __METHOD__, 10 );

		return $income;
	}

	function getStateAllowanceAmount() {
		$retarr = $this->getDataFromRateArray( $this->getDate(), $this->state_options );
		if ( $retarr == false ) {
			return false;
		}

		$allowance_arr = $retarr['allowance'];

		$retval = bcmul( $this->getStateAllowance(), $allowance_arr );

		Debug::text( 'State Allowance Amount: ' . $retval, __FILE__, __LINE__, __METHOD__, 10 );

		return $retval;
	}

	function _getStateTaxPayable() {
		$annual_income = $this->getStateAnnualTaxableIncome();

		$retval = 0;

		if ( $annual_income > 0 ) {
			$rate = $this->getData()->getStateRate( $annual_income );
			$state_constant = $this->getData()->getStateConstant( $annual_income );
			$state_rate_income = $this->getData()->getStateRatePreviousIncome( $annual_income );

			$retval = bcadd( bcmul( bcsub( $annual_income, $state_rate_income ), $rate ), $state_constant );

			//In the "Employer Withholding Taxes: Optional Computer Formula" document there is an extra multiplier that isn't explained, try to apply that here.
			$state_options_arr = $this->getDataFromRateArray( $this->getDate(), $this->state_options );
			if ( isset( $state_options_arr['rate'] ) ) {
				$retval = bcmul( $retval, $state_options_arr['rate'] );
			}
		}

		if ( $retval < 0 ) {
			$retval = 0;
		}

		Debug::text( 'State Annual Tax Payable: ' . $retval, __FILE__, __LINE__, __METHOD__, 10 );

		return $retval;
	}
}

?>