<?php /** @noinspection PhpMissingDocCommentInspection */
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/**
 * @group USPayrollDeductionTest2017
 */
class USPayrollDeductionTest2017 extends PHPUnit\Framework\TestCase {
	public $company_id = null;

	public function setUp(): void {
		Debug::text( 'Running setUp(): ', __FILE__, __LINE__, __METHOD__, 10 );

		require_once( Environment::getBasePath() . '/classes/payroll_deduction/PayrollDeduction.class.php' );

		$this->tax_table_file = dirname( __FILE__ ) . '/USPayrollDeductionTest2017.csv';

		$this->company_id = PRIMARY_COMPANY_ID;

		TTDate::setTimeZone( 'Etc/GMT+8' ); //Force to non-DST timezone. 'PST' isnt actually valid.
	}

	public function tearDown(): void {
		Debug::text( 'Running tearDown(): ', __FILE__, __LINE__, __METHOD__, 10 );
	}

	public function mf( $amount ) {
		return Misc::MoneyRound( $amount );
	}

	public function MatchWithinMarginOfError( $source, $destination, $error = 0 ) {
		//Source: 125.01
		//Destination: 125.00
		//Source: 124.99
		$high_water_mark = bcadd( $destination, $error );
		$low_water_mark = bcsub( $destination, $error );

		if ( $source <= $high_water_mark && $source >= $low_water_mark ) {
			return $destination;
		}

		return $source;
	}

	//
	// January 2017
	//
	function testCSVFile() {
		$this->assertEquals( true, file_exists( $this->tax_table_file ) );

		$test_rows = Misc::parseCSV( $this->tax_table_file, true );

		$total_rows = ( count( $test_rows ) + 1 );
		$i = 2;
		foreach ( $test_rows as $row ) {
			//Debug::text('Province: '. $row['province'] .' Income: '. $row['gross_income'], __FILE__, __LINE__, __METHOD__, 10);
			if ( $row['gross_income'] == '' && isset( $row['low_income'] ) && $row['low_income'] != '' && isset( $row['high_income'] ) && $row['high_income'] != '' ) {
				$row['gross_income'] = ( $row['low_income'] + ( ( $row['high_income'] - $row['low_income'] ) / 2 ) );
			}
			if ( $row['country'] != '' && $row['gross_income'] != '' ) {
				//echo $i.'/'.$total_rows.'. Testing Province: '. $row['province'] .' Income: '. $row['gross_income'] ."\n";

				$pd_obj = new PayrollDeduction( $row['country'], $row['province'] );
				$pd_obj->setDate( strtotime( $row['date'] ) );
				$pd_obj->setAnnualPayPeriods( $row['pay_periods'] );

				$pd_obj->setFederalFilingStatus( $row['filing_status'] );
				$pd_obj->setFederalAllowance( $row['allowance'] );

				$pd_obj->setStateFilingStatus( $row['filing_status'] );
				$pd_obj->setStateAllowance( $row['allowance'] );

				//Some states use other values for allowance/deductions.
				switch ( $row['province'] ) {
					case 'GA':
						Debug::text( 'Setting UserValue3: ' . $row['allowance'], __FILE__, __LINE__, __METHOD__, 10 );
						$pd_obj->setUserValue3( $row['allowance'] );
						break;
					case 'IN':
					case 'IL':
					case 'VA':
						Debug::text( 'Setting UserValue1: ' . $row['allowance'], __FILE__, __LINE__, __METHOD__, 10 );
						$pd_obj->setUserValue1( $row['allowance'] );
						break;
				}

				$pd_obj->setFederalTaxExempt( false );
				$pd_obj->setProvincialTaxExempt( false );

				$pd_obj->setGrossPayPeriodIncome( $this->mf( $row['gross_income'] ) );

				//var_dump($pd_obj->getArray());

				$this->assertEquals( $this->mf( $pd_obj->getGrossPayPeriodIncome() ), $this->mf( $row['gross_income'] ) );
				if ( $row['federal_deduction'] != '' ) {
					$this->assertEquals( $this->mf( $pd_obj->getFederalPayPeriodDeductions() ), $this->MatchWithinMarginOfError( $this->mf( $row['federal_deduction'] ), $this->mf( $pd_obj->getFederalPayPeriodDeductions() ), 0.01 ) );
				}
				if ( $row['provincial_deduction'] != '' ) {
					$this->assertEquals( $this->mf( $pd_obj->getStatePayPeriodDeductions() ), $this->mf( $row['provincial_deduction'] ) );
				}
			}

			$i++;
		}

		//Make sure all rows are tested.
		$this->assertEquals( $total_rows, ( $i - 1 ) );
	}

	function testCompareWithLastYearCSVFile() {
		$this->assertEquals( true, file_exists( $this->tax_table_file ) );

		$test_rows = Misc::parseCSV( $this->tax_table_file, true );

		$total_rows = ( count( $test_rows ) + 1 );
		$i = 2;
		foreach ( $test_rows as $row ) {
			//Debug::text('Province: '. $row['province'] .' Income: '. $row['gross_income'], __FILE__, __LINE__, __METHOD__, 10);
			if ( $row['gross_income'] == '' && isset( $row['low_income'] ) && $row['low_income'] != '' && isset( $row['high_income'] ) && $row['high_income'] != '' ) {
				$row['gross_income'] = ( $row['low_income'] + ( ( $row['high_income'] - $row['low_income'] ) / 2 ) );
			}
			if ( $row['country'] != '' && $row['gross_income'] != '' ) {
				//echo $i.'/'.$total_rows.'. Testing Province: '. $row['province'] .' Income: '. $row['gross_income'] ."\n";

				$pd_obj = new PayrollDeduction( $row['country'], $row['province'] );
				$pd_obj->setDate( strtotime( '-1 year', strtotime( $row['date'] ) ) ); //Get the same date only last year.
				$pd_obj->setAnnualPayPeriods( $row['pay_periods'] );

				$pd_obj->setFederalFilingStatus( $row['filing_status'] );
				$pd_obj->setFederalAllowance( $row['allowance'] );

				$pd_obj->setStateFilingStatus( $row['filing_status'] );
				$pd_obj->setStateAllowance( $row['allowance'] );

				//Some states use other values for allowance/deductions.
				switch ( $row['province'] ) {
					case 'GA':
						Debug::text( 'Setting UserValue3: ' . $row['allowance'], __FILE__, __LINE__, __METHOD__, 10 );
						$pd_obj->setUserValue3( $row['allowance'] );
						break;
					case 'IN':
					case 'IL':
					case 'VA':
						Debug::text( 'Setting UserValue1: ' . $row['allowance'], __FILE__, __LINE__, __METHOD__, 10 );
						$pd_obj->setUserValue1( $row['allowance'] );
						break;
				}

				$pd_obj->setFederalTaxExempt( false );
				$pd_obj->setProvincialTaxExempt( false );

				$pd_obj->setGrossPayPeriodIncome( $this->mf( $row['gross_income'] ) );

				//var_dump($pd_obj->getArray());

				$this->assertEquals( $this->mf( $pd_obj->getGrossPayPeriodIncome() ), $this->mf( $row['gross_income'] ) );
				if ( $row['federal_deduction'] != '' ) {
					//$this->assertEquals( $this->mf( $pd_obj->getFederalPayPeriodDeductions() ), $this->MatchWithinMarginOfError( $this->mf( $row['federal_deduction'] ), $this->mf( $pd_obj->getFederalPayPeriodDeductions() ), 0.01 ) );
					$amount_diff = 0;
					$amount_diff_percent = 0;
					if ( $row['federal_deduction'] > 0 ) {
						$amount_diff = abs( ( $pd_obj->getFederalPayPeriodDeductions() - $row['federal_deduction'] ) );
						$amount_diff_percent = ( ( $amount_diff / $row['federal_deduction'] ) * 100 );
					}

					//Debug::text($i.'. Amount: This Year: '. $row['federal_deduction'] .' Last Year: '. $pd_obj->getFederalPayPeriodDeductions() .' Diff Amount: '. $amount_diff .' Percent: '. $amount_diff_percent .'%', __FILE__, __LINE__, __METHOD__, 10);
					if ( $amount_diff > 1.5 ) {
						$this->assertLessThan( 3, $amount_diff_percent ); //Should be slightly higher than inflation.
						$this->assertGreaterThan( 0, $amount_diff_percent );
					}
				}
				if ( $row['provincial_deduction'] != '' ) {
					//$this->assertEquals( $this->mf( $pd_obj->getStatePayPeriodDeductions() ), $this->mf( $row['provincial_deduction'] ) );
					$amount_diff = 0;
					$amount_diff_percent = 0;
					if ( $row['provincial_deduction'] > 0 && $pd_obj->getStatePayPeriodDeductions() > 0 ) {
						$amount_diff = abs( ( $pd_obj->getStatePayPeriodDeductions() - $row['provincial_deduction'] ) );
						$amount_diff_percent = ( ( $amount_diff / $row['provincial_deduction'] ) * 100 );
					}

					Debug::text( $i . '. Amount: This Year: ' . $row['provincial_deduction'] . ' Last Year: ' . $pd_obj->getStatePayPeriodDeductions() . ' Diff Amount: ' . $amount_diff . ' Percent: ' . $amount_diff_percent . '%', __FILE__, __LINE__, __METHOD__, 10 );
					if ( $row['province'] != 'ME' && $row['province'] != 'NE' && $amount_diff > 5 ) { //ME had significant changes.
						$this->assertLessThan( 31, $amount_diff_percent ); //Reasonable margin of error.
						$this->assertGreaterThan( 0, $amount_diff_percent );
					}
				}
			}

			$i++;
		}

		//Make sure all rows are tested.
		$this->assertEquals( $total_rows, ( $i - 1 ) );
	}

	function testUS_2017a_Test1() {
		Debug::text( 'US - SemiMonthly - Beginning of 2017 01-Jan-2017: ', __FILE__, __LINE__, __METHOD__, 10 );

		$pd_obj = new PayrollDeduction( 'US', 'OR' );
		$pd_obj->setDate( strtotime( '01-Jan-2017' ) );
		$pd_obj->setAnnualPayPeriods( 26 ); //Semi-Monthly

		$pd_obj->setFederalFilingStatus( 10 ); //Single
		$pd_obj->setFederalAllowance( 0 );

		$pd_obj->setStateFilingStatus( 10 ); //Single
		$pd_obj->setStateAllowance( 0 );

		$pd_obj->setYearToDateSocialSecurityContribution( 0 );

		$pd_obj->setFederalTaxExempt( false );
		$pd_obj->setProvincialTaxExempt( false );

		$pd_obj->setGrossPayPeriodIncome( 576.923 );

		$this->assertEquals( '576.92', $this->mf( $pd_obj->getGrossPayPeriodIncome() ) );
		$this->assertEquals( '55.34', $this->mf( $pd_obj->getFederalPayPeriodDeductions() ) );
		$this->assertEquals( '37.84', $this->mf( $pd_obj->getStatePayPeriodDeductions() ) );
		$this->assertEquals( '35.77', $this->mf( $pd_obj->getEmployeeSocialSecurity() ) );
	}

	//
	// US Social Security
	//
	function testUS_2017a_SocialSecurity() {
		Debug::text( 'US - SemiMonthly - Beginning of 2017 01-Jan-2017: ', __FILE__, __LINE__, __METHOD__, 10 );

		$pd_obj = new PayrollDeduction( 'US', 'MO' );
		$pd_obj->setDate( strtotime( '01-Jan-2017' ) );
		$pd_obj->setAnnualPayPeriods( 24 ); //Semi-Monthly

		$pd_obj->setFederalFilingStatus( 10 ); //Single
		$pd_obj->setFederalAllowance( 0 );

		$pd_obj->setYearToDateSocialSecurityContribution( 0 );

		$pd_obj->setFederalTaxExempt( false );
		$pd_obj->setProvincialTaxExempt( false );

		$pd_obj->setGrossPayPeriodIncome( 1000.00 );

		$this->assertEquals( '1000.00', $this->mf( $pd_obj->getGrossPayPeriodIncome() ) );
		$this->assertEquals( '62.00', $this->mf( $pd_obj->getEmployeeSocialSecurity() ) );
		$this->assertEquals( '62.00', $this->mf( $pd_obj->getEmployerSocialSecurity() ) );
	}

	function testUS_2017a_SocialSecurity_Max() {
		Debug::text( 'US - SemiMonthly - Beginning of 2017 01-Jan-2017: ', __FILE__, __LINE__, __METHOD__, 10 );

		$pd_obj = new PayrollDeduction( 'US', 'MO' );
		$pd_obj->setDate( strtotime( '01-Jan-2017' ) );
		$pd_obj->setAnnualPayPeriods( 24 ); //Semi-Monthly

		$pd_obj->setFederalFilingStatus( 10 ); //Single
		$pd_obj->setFederalAllowance( 0 );


		$pd_obj->setYearToDateSocialSecurityContribution( ( $pd_obj->getSocialSecurityMaximumContribution() - 1 ) ); //7347

		$pd_obj->setFederalTaxExempt( false );
		$pd_obj->setProvincialTaxExempt( false );

		$pd_obj->setGrossPayPeriodIncome( 1000.00 );

		$this->assertEquals( '1000.00', $this->mf( $pd_obj->getGrossPayPeriodIncome() ) );
		$this->assertEquals( '1.00', $this->mf( $pd_obj->getEmployeeSocialSecurity() ) );
		$this->assertEquals( '1.00', $this->mf( $pd_obj->getEmployerSocialSecurity() ) );
	}

	function testUS_2017a_Medicare() {
		Debug::text( 'US - SemiMonthly - Beginning of 2017 01-Jan-2017: ', __FILE__, __LINE__, __METHOD__, 10 );

		$pd_obj = new PayrollDeduction( 'US', 'MO' );
		$pd_obj->setDate( strtotime( '01-Jan-2017' ) );
		$pd_obj->setAnnualPayPeriods( 24 ); //Semi-Monthly

		$pd_obj->setFederalFilingStatus( 10 ); //Single
		$pd_obj->setFederalAllowance( 0 );

		$pd_obj->setYearToDateSocialSecurityContribution( 0 );

		$pd_obj->setFederalTaxExempt( false );
		$pd_obj->setProvincialTaxExempt( false );

		$pd_obj->setGrossPayPeriodIncome( 1000.00 );

		$this->assertEquals( '1000.00', $this->mf( $pd_obj->getGrossPayPeriodIncome() ) );
		$this->assertEquals( '14.50', $this->mf( $pd_obj->getEmployeeMedicare() ) );
		$this->assertEquals( '14.50', $this->mf( $pd_obj->getEmployerMedicare() ) );
	}

	function testUS_2017a_Additional_MedicareA() {
		Debug::text( 'US - SemiMonthly - Beginning of 2017 01-Jan-2017: ', __FILE__, __LINE__, __METHOD__, 10 );

		$pd_obj = new PayrollDeduction( 'US', 'MO' );
		$pd_obj->setDate( strtotime( '01-Jan-2017' ) );
		$pd_obj->setAnnualPayPeriods( 24 ); //Semi-Monthly

		$pd_obj->setFederalFilingStatus( 10 ); //Single
		$pd_obj->setFederalAllowance( 0 );

		$pd_obj->setYearToDateSocialSecurityContribution( 0 );

		$pd_obj->setFederalTaxExempt( false );
		$pd_obj->setProvincialTaxExempt( false );


		$pd_obj->setYearToDateGrossIncome( 199000.00 );
		$pd_obj->setGrossPayPeriodIncome( 1000.00 );

		$this->assertEquals( '1000.00', $this->mf( $pd_obj->getGrossPayPeriodIncome() ) );
		$this->assertEquals( '14.50', $this->mf( $pd_obj->getEmployeeMedicare() ) );
		$this->assertEquals( '14.50', $this->mf( $pd_obj->getEmployerMedicare() ) );
	}

	function testUS_2017a_Additional_MedicareB() {
		Debug::text( 'US - SemiMonthly - Beginning of 2017 01-Jan-2017: ', __FILE__, __LINE__, __METHOD__, 10 );

		$pd_obj = new PayrollDeduction( 'US', 'MO' );
		$pd_obj->setDate( strtotime( '01-Jan-2017' ) );
		$pd_obj->setAnnualPayPeriods( 24 ); //Semi-Monthly

		$pd_obj->setFederalFilingStatus( 10 ); //Single
		$pd_obj->setFederalAllowance( 0 );

		$pd_obj->setYearToDateSocialSecurityContribution( 0 );

		$pd_obj->setFederalTaxExempt( false );
		$pd_obj->setProvincialTaxExempt( false );


		$pd_obj->setYearToDateGrossIncome( 199500.00 );
		$pd_obj->setGrossPayPeriodIncome( 1000.00 );

		$this->assertEquals( '1000.00', $this->mf( $pd_obj->getGrossPayPeriodIncome() ) );
		$this->assertEquals( '19.00', $this->mf( $pd_obj->getEmployeeMedicare() ) );
		$this->assertEquals( '14.50', $this->mf( $pd_obj->getEmployerMedicare() ) );
	}

	function testUS_2017a_Additional_MedicareC() {
		Debug::text( 'US - SemiMonthly - Beginning of 2017 01-Jan-2017: ', __FILE__, __LINE__, __METHOD__, 10 );

		$pd_obj = new PayrollDeduction( 'US', 'MO' );
		$pd_obj->setDate( strtotime( '01-Jan-2017' ) );
		$pd_obj->setAnnualPayPeriods( 24 ); //Semi-Monthly

		$pd_obj->setFederalFilingStatus( 10 ); //Single
		$pd_obj->setFederalAllowance( 0 );

		$pd_obj->setYearToDateSocialSecurityContribution( 0 );

		$pd_obj->setFederalTaxExempt( false );
		$pd_obj->setProvincialTaxExempt( false );


		$pd_obj->setYearToDateGrossIncome( 500000.00 );
		$pd_obj->setGrossPayPeriodIncome( 1000.00 );

		$this->assertEquals( '1000.00', $this->mf( $pd_obj->getGrossPayPeriodIncome() ) );
		$this->assertEquals( '23.50', $this->mf( $pd_obj->getEmployeeMedicare() ) );
		$this->assertEquals( '14.50', $this->mf( $pd_obj->getEmployerMedicare() ) );
	}

	function testUS_2017a_Additional_MedicareD() {
		Debug::text( 'US - SemiMonthly - Beginning of 2017 01-Jan-2017: ', __FILE__, __LINE__, __METHOD__, 10 );

		$pd_obj = new PayrollDeduction( 'US', 'MO' );
		$pd_obj->setDate( strtotime( '01-Jan-2017' ) );
		$pd_obj->setAnnualPayPeriods( 24 ); //Semi-Monthly

		$pd_obj->setFederalFilingStatus( 10 ); //Single
		$pd_obj->setFederalAllowance( 0 );

		$pd_obj->setYearToDateSocialSecurityContribution( 0 );

		$pd_obj->setFederalTaxExempt( false );
		$pd_obj->setProvincialTaxExempt( false );


		$pd_obj->setYearToDateGrossIncome( 0 );
		$pd_obj->setGrossPayPeriodIncome( 500000.00 );

		$this->assertEquals( '500000.00', $this->mf( $pd_obj->getGrossPayPeriodIncome() ) );
		$this->assertEquals( '9950.00', $this->mf( $pd_obj->getEmployeeMedicare() ) );
		$this->assertEquals( '7250.00', $this->mf( $pd_obj->getEmployerMedicare() ) );
	}

	function testUS_2017a_FederalUI_NoState() {
		Debug::text( 'US - SemiMonthly - Beginning of 2017 01-Jan-2017: ', __FILE__, __LINE__, __METHOD__, 10 );

		$pd_obj = new PayrollDeduction( 'US', 'MO' );
		$pd_obj->setDate( strtotime( '01-Jan-2017' ) );
		$pd_obj->setAnnualPayPeriods( 24 ); //Semi-Monthly

		$pd_obj->setFederalFilingStatus( 10 ); //Single
		$pd_obj->setFederalAllowance( 0 );
		$pd_obj->setFederalUIRate( 6.0 );

		$pd_obj->setYearToDateSocialSecurityContribution( 0 );
		$pd_obj->setYearToDateFederalUIContribution( 0 );

		$pd_obj->setFederalTaxExempt( false );
		$pd_obj->setProvincialTaxExempt( false );

		$pd_obj->setGrossPayPeriodIncome( 1000.00 );

		//var_dump($pd_obj->getArray());

		$this->assertEquals( '1000.00', $this->mf( $pd_obj->getGrossPayPeriodIncome() ) );
		$this->assertEquals( '60.00', $this->mf( $pd_obj->getFederalEmployerUI() ) );
	}

	function testUS_2017a_FederalUI_NoState_Max() {
		Debug::text( 'US - SemiMonthly - Beginning of 2017 01-Jan-2017: ', __FILE__, __LINE__, __METHOD__, 10 );

		$pd_obj = new PayrollDeduction( 'US', 'MO' );
		$pd_obj->setDate( strtotime( '01-Jan-2017' ) );
		$pd_obj->setAnnualPayPeriods( 24 ); //Semi-Monthly

		$pd_obj->setFederalFilingStatus( 10 ); //Single
		$pd_obj->setFederalAllowance( 0 );
		$pd_obj->setFederalUIRate( 6.0 );

		$pd_obj->setStateUIRate( 0 );
		$pd_obj->setStateUIWageBase( 0 );

		$pd_obj->setYearToDateSocialSecurityContribution( 0 );
		$pd_obj->setYearToDateFederalUIContribution( 419 ); //420
		$pd_obj->setYearToDateStateUIContribution( 0 );

		$pd_obj->setFederalTaxExempt( false );
		$pd_obj->setProvincialTaxExempt( false );

		$pd_obj->setGrossPayPeriodIncome( 1000.00 );

		//var_dump($pd_obj->getArray());

		$this->assertEquals( '1000.00', $this->mf( $pd_obj->getGrossPayPeriodIncome() ) );
		$this->assertEquals( '1.00', $this->mf( $pd_obj->getFederalEmployerUI() ) );
	}

	function testUS_2017a_FederalUI_State_Max() {
		Debug::text( 'US - SemiMonthly - Beginning of 2017 01-Jan-2017: ', __FILE__, __LINE__, __METHOD__, 10 );

		$pd_obj = new PayrollDeduction( 'US', 'MO' );
		$pd_obj->setDate( strtotime( '01-Jan-2017' ) );
		$pd_obj->setAnnualPayPeriods( 24 ); //Semi-Monthly

		$pd_obj->setFederalFilingStatus( 10 ); //Single
		$pd_obj->setFederalAllowance( 0 );
		$pd_obj->setFederalUIRate( 6.0 );

		$pd_obj->setStateUIRate( 3.51 );
		$pd_obj->setStateUIWageBase( 11000 );

		$pd_obj->setYearToDateSocialSecurityContribution( 0 );
		$pd_obj->setYearToDateFederalUIContribution( 419 ); //420
		$pd_obj->setYearToDateStateUIContribution( 0 );

		$pd_obj->setFederalTaxExempt( false );
		$pd_obj->setProvincialTaxExempt( false );

		$pd_obj->setGrossPayPeriodIncome( 1000.00 );

		//var_dump($pd_obj->getArray());

		$this->assertEquals( '1000.00', $this->mf( $pd_obj->getGrossPayPeriodIncome() ) );
		$this->assertEquals( '1.00', $this->mf( $pd_obj->getFederalEmployerUI() ) );
	}
}

?>