var mortgage = {
	init:function(){
		$("#calculate").bind({
			"click":function(){
				mortgage.displayBasic();
			}
		});
	},
	dataArr:[],
	displayDetail:function(){
		var P = $.url().param('p');
		var R = $.url().param('r')/100;
		var YR = $.url().param('yr');
		var period = $.url().param('period');

		if(P&&R&&period)
		{
			var NUM_OF_TERM = period;
			var R_PER_MONTH = R/12
			var Installment = extraMath.round2D(mortgage.calInstallment(P,R_PER_MONTH,NUM_OF_TERM));

			var PN_remain = P;
			for(i=0;i<NUM_OF_TERM;i++)
			{
				InterestPayment = PN_remain*R*(DAY_PER_MONTH/DAY_PER_YEAR);
				PrincipalRepayment = Installment - InterestPayment;
				OutstandingBalance = ((PN_remain - PrincipalRepayment)>0)?(PN_remain - PrincipalRepayment):0;


				if(i==NUM_OF_TERM-1)
				{
					Installment = Installment + OutstandingBalance;
					PrincipalRepayment = PrincipalRepayment + OutstandingBalance;
					OutstandingBalance = 0;
				}

				mortgage.dataArr.push([
					//extraMath.formatMoney(PN_remain,3,".",","),
					extraMath.formatMoney(Installment,2,".",","),
					extraMath.formatMoney(InterestPayment,2,".",","),
					extraMath.formatMoney(PrincipalRepayment,2,".",","),
					extraMath.formatMoney(OutstandingBalance,2,".",",")
				]);

				PN_remain -= PrincipalRepayment;
			}

			$("#dataTable").html(mortgage.genTable(mortgage.dataArr));

			$("#p").html(extraMath.formatMoney($.url().param('p'),2,".",","));

			$("#period").html($.url().param('period'));
			$("#r").html(extraMath.formatMoney($.url().param('r'),2,".",",")+"%");
		}
	},
	displayBasic:function(){
		if(mortgage.formCheck())
		{
			var P = $("#p").val();
			var R = $("#r").val()/100;
			var period = $("#period").val();

			// Monthly

			var R_PER_MONTH = R/MONTH_PER_YEAR;
			var Installment = mortgage.calInstallment(P,R_PER_MONTH,period);
			Installment = extraMath.round2D(Installment); // Client Request Cal in %.2f

			var NUM_OF_TERM = mortgage.calInstallmentNum(P,R_PER_MONTH,Installment);
			NUM_OF_TERM = (NUM_OF_TERM<period)?Math.ceil(NUM_OF_TERM):period;

			var TENOR = NUM_OF_TERM;
			var TENOR_YEAR = TENOR/MONTH_PER_YEAR;
			TENOR = extraMath.formatMoney(TENOR,2,".",",");
			TENOR_YEAR = extraMath.formatMoney(TENOR_YEAR,2,".",",");

			var TOTAL_INTEREST = mortgage.calAccInterest(P, R_PER_MONTH, Installment, NUM_OF_TERM);
			TOTAL_INTEREST = extraMath.formatMoney((TOTAL_INTEREST),2,".",",");

			Installment = extraMath.formatMoney(Installment,2,".",",")

			// Biweekly
			var R_BIWEEK = R / DAY_PER_YEAR * DAY_BIWEEK;

			var NUM_OF_TERM_BIWEEK = (WEEK_PER_YEAR/2) * Math.ceil(NUM_OF_TERM/MONTH_PER_YEAR);
			var Installment_BIWEEK = mortgage.calInstallment(P,R_BIWEEK,NUM_OF_TERM_BIWEEK);
			//Installment_BIWEEK = extraMath.round2D(Installment_BIWEEK); // Client Request Cal in %.2f

			//var NUM_OF_TERM_BIWEEK = mortgage.calInstallmentNum(P,R_BIWEEK,Installment_BIWEEK);
			//NUM_OF_TERM_BIWEEK = Math.ceil(NUM_OF_TERM_BIWEEK);

			//var TENOR_BIWEEK = NUM_OF_TERM_BIWEEK*14*12/DAY_PER_YEAR;
			//var TENOR_YEAR_BIWEEK = TENOR_BIWEEK/12;
			var TENOR_BIWEEK = NUM_OF_TERM;
			var TENOR_YEAR_BIWEEK = TENOR/MONTH_PER_YEAR;

			TENOR_BIWEEK = extraMath.formatMoney((TENOR_BIWEEK),2,".",",");
			TENOR_YEAR_BIWEEK = extraMath.formatMoney((TENOR_YEAR_BIWEEK),2,".",",");

			//var TOTAL_INTEREST_BIWEEK = mortgage.calAccInterest(P, R_BIWEEK, Installment_BIWEEK, NUM_OF_TERM_BIWEEK);
			var TOTAL_INTEREST_BIWEEK = Installment_BIWEEK*NUM_OF_TERM_BIWEEK - P;
			TOTAL_INTEREST_BIWEEK = extraMath.formatMoney((TOTAL_INTEREST_BIWEEK),2,".",",");

			Installment_BIWEEK = extraMath.formatMoney(Installment_BIWEEK,2,".",",");


			$("#pDisplay").html(extraMath.formatMoney($("#p").val(),2,".",","));
			$("#periodDisplay").html($("#period").val());
			$("#rDisplay").html(extraMath.formatMoney($("#r").val(),2,".",",")+"%");

			$("#InstallmentAmountMonth").html(Installment);
			$("#ActualNumberOfInstallmentsMonth").html(NUM_OF_TERM);
			$("#EffectiveRepaymentPeriodMonthsMonth").html(TENOR);
			$("#EffectiveRepaymentPeriodYearsMonth").html(TENOR_YEAR);
			$("#TotalInterestPaidMonth").html(TOTAL_INTEREST);

			$("#InstallmentAmountBiWeek").html(Installment_BIWEEK);
			$("#ActualNumberOfInstallmentsBiWeek").html(NUM_OF_TERM_BIWEEK);
			$("#EffectiveRepaymentPeriodMonthsBiWeek").html(TENOR_BIWEEK);
			$("#EffectiveRepaymentPeriodYearsBiWeek").html(TENOR_YEAR_BIWEEK);
			$("#TotalInterestPaidBiWeek").html(TOTAL_INTEREST_BIWEEK);

			$("#RepaymentSchedule").html('<a href="mortgage_detail.htm?p='+$("#p").val()+'&r='+$("#r").val()+'&period='+$("#period").val()+'&lang='+lang+'" target="_blank" class="btn">'+mortgageDisplayText.RepaymentSchedule[lang]+'</a>');
		}
	},
	calInstallment:function(a, r, n) {
		return ( (r * a * Math.pow(1 + r, n)) / ( Math.pow(1 + r, n) - 1) )
	},
	calInstallmentNum:function(a, r, instal) {
		return Math.log10(instal / (instal - (r * a))) / Math.log10(1 + r);
	},
	calAccInterest:function(a, r, instal, instalnum) {
		return (instal * (instalnum -1)) + ( Math.pow((1 + r), instalnum) * (a - (instal / r)) ) + ( (1 + r) * instal / r ) - a;
	},
	genTable:function(arr){
		var tempTable = "";

		tempTable += "<table>";
		tempTable += "<tr>";
		tempTable += '<th class="col1">'+mortgageDisplayText.Term[lang]+'</th>';
		//tempTable += '<th class="col2">'+mortgageDisplayText.OpeningBalance[lang]+"</th>";
		tempTable += '<th class="col2">'+mortgageDisplayText.Instalment[lang]+"</th>";
		tempTable += '<th class="col3">'+mortgageDisplayText.InterestPayment[lang]+"</th>";
		tempTable += '<th class="col4">'+mortgageDisplayText.PrincipalRepayment[lang]+"</th>";
		tempTable += '<th class="col5">'+mortgageDisplayText.OutstandingBalance[lang]+"</th>";
		tempTable += "</tr>";

		for(i=0;i<arr.length;i++)
		{
			tempTable += "<tr>";
			tempTable += "<td class=\"colorDark\">"+(i+1)+"</td>";
			for(j=0;j<arr[i].length;j++)
				tempTable += "<td>HK$ "+arr[i][j]+"</td>";
			tempTable += "</tr>";
		}

		tempTable += "</table>";
		return tempTable;
	},
	formCheck:function(){
		var check = true;
		var errorText = "";

		if($("#p").val().trim()=="")
			errorText += "- "+mortgageDisplayText.InputLoanAmount[lang]+"\n";
		else if(isNaN($("#p").val()))
			errorText += "- "+mortgageDisplayText.InvalidLoanAmount[lang]+"\n";
		else if($("#p").val() < 1 || $("#p").val() > 999999999)
			errorText += "- "+mortgageDisplayText.InvalidLoanAmountRange[lang]+"\n";

		if($("#period").val().trim()=="")
			errorText += "- "+mortgageDisplayText.InputRepaymentPeriod[lang]+"\n";
		else if(isNaN($("#period").val()))
			errorText += "- "+mortgageDisplayText.InvalidRepaymentPeriod[lang]+"\n";
		else if($("#period").val() < 1 || $("#period").val() > 999)
			errorText += "- "+mortgageDisplayText.InvalidRepaymentPeriodRange[lang]+"\n";

		if($("#r").val().trim()=="")
			errorText += "- "+mortgageDisplayText.InputInterestRate[lang]+"\n";
		else if(isNaN($("#r").val()))
			errorText += "- "+mortgageDisplayText.InvalidInterestRate[lang]+"\n";
		else if($("#r").val() < 0.01 || $("#r").val() > 99.99)
			errorText += "- "+mortgageDisplayText.InvalidInterestRateRange[lang]+"\n";




		if(errorText)
		{
			errorText = errorText;
			check = false;
			alert(errorText)
		}


		return check;
	}
}

var mortgageDisplayText = {
	index:function(){
		if(lang=="tc")
			$("#header").html('<div id="logo"><img src="images/logo.gif" alt="中信銀行(國際)"></div><div class="topBanner"><img src="images/mortgage_banner_tc.gif" alt="按揭計算機 - 計算最高可負擔貸款額"></div>');
		else if(lang=="sc")
			$("#header").html('<div id="logo"><img src="images/logo.gif" alt="中信银行(国际)"></div><div class="topBanner"><img src="images/mortgage_banner_sc.gif" alt="按揭计算机 - 计算最高可负担贷款额"></div>');
		else
			$("#header").html('<div id="logo"><img src="images/logo.gif" alt="China CITIC Bank International"></div><div class="topBanner"><img src="images/mortgage_banner.gif" alt="Mortgage calculator - calculate monthly repayment amounts"></div>');

		$(".PrincipleLoanAmount").text(mortgageDisplayText.PrincipleLoanAmount[lang]);
		$(".RateOfInterest").text(mortgageDisplayText.RateOfInterest[lang]);
		$(".RepaymentPeriod").text(mortgageDisplayText.RepaymentPeriod[lang]);
		$("#RateEnquiry").html('<a href="'+mortgageDisplayText.RateEnquiryLink[lang]+'" target="_blank">'+mortgageDisplayText.RateEnquiry[lang]+'</a>')
		$("#calculate").val(mortgageDisplayText.Calculate[lang]);
		$("#clear").val(mortgageDisplayText.Clear[lang]);

		$(".CalculationResult").text(mortgageDisplayText.CalculationResult[lang]);
		$("#YourInput").text(mortgageDisplayText.YourInput[lang]);

		$("#MonthlyPaymentMethod").text(mortgageDisplayText.MonthlyPaymentMethod[lang]);
		$("#BiWeeklyPaymentMethod").text(mortgageDisplayText.BiWeeklyPaymentMethod[lang]);
		$("#InstallmentAmount").text(mortgageDisplayText.InstallmentAmount[lang]);
		$("#ActualNumberOfInstallments").text(mortgageDisplayText.ActualNumberOfInstallments[lang]);
		$("#EffectiveRepaymentPeriodMonths").text(mortgageDisplayText.EffectiveRepaymentPeriodMonths[lang]);
		$("#EffectiveRepaymentPeriodYears").text(mortgageDisplayText.EffectiveRepaymentPeriodYears[lang]);
		$("#TotalInterestPaid").text(mortgageDisplayText.TotalInterestPaid[lang]);

		if(lang=="en")
			$("#MakeAppointment").html('<a href="'+mortgageDisplayText.MakeAppointmentLink[lang]+'" target="_blank" class="btn2 multline">'+mortgageDisplayText.MakeAppointment[lang]+'</a>')
		else
			$("#MakeAppointment").html('<a href="'+mortgageDisplayText.MakeAppointmentLink[lang]+'" target="_blank" class="btn2">'+mortgageDisplayText.MakeAppointment[lang]+'</a>')
		$("#InstantPropertyValuation").html('<a href="'+mortgageDisplayText.InstantPropertyValuationLink[lang]+'" target="_blank" class="btn2">'+mortgageDisplayText.InstantPropertyValuation[lang]+'</a>')
		$("#CloseBtn").html('<a href="'+mortgageDisplayText.CloseBtnLink[lang]+'" class="btn2">'+mortgageDisplayText.CloseBtn[lang]+'</a>')
		$("#note1").text(mortgageDisplayText.note1[lang]);
		$("#note2").text(mortgageDisplayText.note2[lang]);


		// For HKCBF
		if($.url().param('com')=="hkcbf")
		{
			$("#header").html('<div id="logo"><img src="images/logo_hkcbf.gif"></div>');
			/*
			$("#RateEnquiry").html('<a href="'+mortgageDisplayText.RateEnquiryLink_HKCBF[lang]+'" target="_blank">'+mortgageDisplayText.RateEnquiry[lang]+'</a>')

			if(lang=="en")
				$("#MakeAppointment").html('<a href="'+mortgageDisplayText.MakeAppointmentLink_HKCBF[lang]+'" target="_blank" class="btn2 multline">'+mortgageDisplayText.MakeAppointment[lang]+'</a>');
			else
				$("#MakeAppointment").html('<a href="'+mortgageDisplayText.MakeAppointmentLink_HKCBF[lang]+'" target="_blank" class="btn2">'+mortgageDisplayText.MakeAppointment[lang]+'</a>');
			*/
			$("#RateEnquiry").html('');
			$("#MakeAppointment").html('').remove();
			$("#InstantPropertyValuation").html('').remove();
			$("#CloseBtn").html('').remove();
			$("#CloseBtn_hkcbf").html('<a href="'+mortgageDisplayText.CloseBtnLink[lang]+'" class="btn2">'+mortgageDisplayText.CloseBtn[lang]+'</a>')
			$("#note2").text(mortgageDisplayText.note2_HKCBF[lang]);
			$("#CalculationResultTable tr").each(function(index, element) {
                $(this).find("td:last[id!=RepaymentSchedule]").remove();
				$(this).find("td").removeClass("textCenter");
            });
			$("#RepaymentSchedule").attr("colspan",2);
		}

	},
	detail:function(){
		$("#PrincipleLoanAmount").text(mortgageDisplayText.PrincipleLoanAmount[lang]);
		$("#RateOfInterest").text(mortgageDisplayText.RateOfInterest[lang]);
		$("#RepaymentPeriod").text(mortgageDisplayText.RepaymentPeriod[lang]);
		$("#calculate").val(mortgageDisplayText.Calculate[lang]);
		$("#clear").val(mortgageDisplayText.Clear[lang]);

		$("#note3").text(mortgageDisplayText.note3[lang]);
	},
	RateEnquiry:{
		"en":"Rate Enquiry",
		"tc":"查詢利率",
		"sc":"查询利率"
	},
	RateEnquiryLink:{
		"en":"https://www.cncbinternational.com/rate-table/init_rate_en.html",
		"tc":"https://www.cncbinternational.com/rate-table/init_rate_tc.html",
		"sc":"https://www.cncbinternational.com/rate-table/init_rate_sc.html"
	},
	RateEnquiryLink_HKCBF:{
		"en":"#",
		"tc":"#",
		"sc":"#"
	},
	Calculate:{
		"en":"Calculate",
		"tc":"計算",
		"sc":"计算"
	},
	Clear:{
		"en":"Clear",
		"tc":"重新輸入",
		"sc":"重新输入"
	},
	CalculationResult:{
		"en":"Calculation Result",
		"tc":"計算結果",
		"sc":"计算结果"
	},
	YourInput:{
		"en":"Your Input",
		"tc":"你的資料",
		"sc":"你的资料"
	},
	PrincipleLoanAmount:{
		"en":"Loan Amount (HKD)",
		"tc":"貸款額 (港幣)",
		"sc":"贷款额 (港币)"
	},
	RateOfInterest:{
		"en":"Expected Annual Interest Rate (%) ",
		"tc":"預期貸款年利率 (%)",
		"sc":"预期贷款年利率 (%)"
	},
	Year:{
		"en":"Year",
		"tc":"",
		"sc":""
	},
	RepaymentPeriod:{
		"en":"Repayment Period (Months)",
		"tc":"還款期 (月)",
		"sc":"还款期 (月)"
	},
	Term:{
		"en":"No. of Installment",
		"tc":"期數",
		"sc":"期数"
	},
	MonthlyPaymentMethod:{
		"en":"Monthly Payment Method",
		"tc":"每月供款方法",
		"sc":"每月供款方法"
	},
	BiWeeklyPaymentMethod:{
		"en":"Bi Weekly Payment Method",
		"tc":"每兩星期供款方法",
		"sc":"每两星期供款方法"
	},
	InstallmentAmount:{
		"en":"Installment Amount (HKD)",
		"tc":"供款金額 (港幣)",
		"sc":"供款金额 (港币)"
	},
	ActualNumberOfInstallments:{
		"en":"Actual number of installments",
		"tc":"實際供款期數",
		"sc":"实际供款期数"
	},
	EffectiveRepaymentPeriodMonths:{
		"en":"Effective Repayment Period (months)",
		"tc":"實際供款年期 (月)",
		"sc":"实际供款年期 (月)"
	},
	EffectiveRepaymentPeriodYears:{
		"en":"Effective Repayment Period (years)",
		"tc":"實際供款年期 (年)",
		"sc":"实际供款年期 (年)"
	},
	TotalInterestPaid:{
		"en":"Total Interest Paid (HKD)",
		"tc":"總利息支出 (港幣)",
		"sc":"总利息支出 (港币)"
	},
	OpeningBalance:{
		"en":"Opening Balance<br>(HKD)",
		"tc":"",
		"sc":""
	},
	Instalment:{
		"en":"Repayment Amount",
		"tc":"供款金額",
		"sc":"供款金额"
	},
	InterestPayment:{
		"en":"Interest",
		"tc":"利息",
		"sc":"利息"
	},
	PrincipalRepayment:{
		"en":"Principal",
		"tc":"本金",
		"sc":"本金"
	},
	OutstandingBalance:{
		"en":"Outstanding Balance",
		"tc":"本金餘額",
		"sc":"本金余额"
	},
	RepaymentSchedule:{
		"en":"Repayment Schedule",
		"tc":"還款表",
		"sc":"还款表"
	},
	MakeAppointment:{
		"en":"Make Appointment with Mortgage Specialist",
		"tc":"預約按揭顧問",
		"sc":"预约按揭顾问"
	},
	MakeAppointmentLink:{
		"en":"https://www.cncbinternational.com/mortgageloanapp/eng/3_1_mortgages_loan_application.jsp",
		"tc":"https://www.cncbinternational.com/mortgageloanapp/tchi/3_1_mortgages_loan_application.jsp",
		"sc":"https://www.cncbinternational.com/mortgageloanapp/schi/3_1_mortgages_loan_application.jsp"
	},
	MakeAppointmentLink_HKCBF:{
		"en":"#",
		"tc":"#",
		"sc":"#"
	},
	InstantPropertyValuation:{
		"en":"Instant Property Valuation",
		"tc":"即時物業估價",
		"sc":"即时物业估价"
	},
	InstantPropertyValuationLink:{
		"en":"https://www.cncbinternational.com/onlineapp/mortgagevalua.jsp?LANG=en_US",
		"tc":"https://www.cncbinternational.com/onlineapp/mortgagevalua.jsp?LANG=zh_CN",
		"sc":"https://www.cncbinternational.com/onlineapp/mortgagevalua.jsp?LANG=zh_HK"
	},
	CloseBtn:{
		"en":"Close",
		"tc":"關閉",
		"sc":"关闭"
	},
	CloseBtnLink:{
		"en":"https://ibanking.cncbinternational.com/CKWPortal/resources/personal/common/winclose.html",
		"tc":"https://ibanking.cncbinternational.com/CKWPortal/resources/personal/common/winclose.html",
		"sc":"https://ibanking.cncbinternational.com/CKWPortal/resources/personal/common/winclose.html"
	},
	note1:{
		"en":"*The above information is for reference only.",
		"tc":"* 以上資料只供參考",
		"sc":"* 以上资料只供参考。"
	},
	note2:{
		"en":"Should you have any enquiries, please call our Customer Service Hotline 2287 6788 for assistance.",
		"tc":"如有任何疑問，請致電本行客戶服務熱線 2287 6788 查詢。",
		"sc":"如有任何疑问，请致电本行客户服务热线 2287 6788 查询。"
	},
	note2_HKCBF:{
		"en":"Should you have any enquiries, please call our Customer Service Hotline 3603 3760 for assistance.",
		"tc":"如有任何疑問，請致電本行客戶服務熱線 3603 3760 查詢。",
		"sc":"如有任何疑问，请致电本行客户服务热线 3603 3760 查询。"
	},
	note3:{
		"en":"Note: The calculation is based on the information provided by customer and the calculator result is for reference only",
		"tc":"註: 以上的計算結果是根據客戶提供之資料計算及只供參考",
		"sc":"注: 以上的计算结果是根据客户提供之资料计算及只供参考"
	},
	InputLoanAmount:{
		"en":"Please input the Loan Amount.",
		"tc":"請輸入貸款額。",
		"sc":"请输入贷款额。"
	},
	InputRepaymentPeriod:{
		"en":"Please input the Repayment Period.",
		"tc":"請輸入還款期。",
		"sc":"请输入还款期。"
	},
	InputInterestRate:{
		"en":"Please input the Interest Rate.",
		"tc":"請輸入年利率。",
		"sc":"请输入年利率。"
	},
	InvalidLoanAmount:{
		"en":"The amount you inputted is invalid. Please re-enter.",
		"tc":"你所輸入的貸款額不正確，請重新輸入。",
		"sc":"你所输入的贷款额不正确，请重新输入。"
	},
	InvalidRepaymentPeriod:{
		"en":"The period you inputted is invalid. Please re-enter.",
		"tc":"你所輸入的還款期不正確，請重新輸入。",
		"sc":"你所输入的还款期不正确，请重新输入。"
	},
	InvalidInterestRate:{
		"en":"The rate you inputted is invalid. Please re-enter.",
		"tc":"你所輸入的年利率不正確，請重新輸入。",
		"sc":"你所输入的年利率不正确，请重新输入。"
	},
	InvalidLoanAmountRange:{
		"en":"Loan Amount must be between 1 to 999,999,999.",
		"tc":"貸款額須在1至999,999,999內。",
		"sc":"贷款额须在1至999,999,999内。"
	},

	InvalidRepaymentPeriodRange:{
		"en":"Repayment Period must be between 1 to 999.",
		"tc":"還款期數值須在1至999內。",
		"sc":"还款期数值须在1至999内。"
	},
	InvalidInterestRateRange:{
		"en":"Interest Rate must be between 0.01 to 99.99% .",
		"tc":"年利率數值須在0.01至99.99%內。",
		"sc":"年利率数值须在0.01至99.99%内。"
	}

}

// Batch 2 START

$(document).ready(function () {
	let lang = window.location.search;
	if (lang.indexOf('lang=en') != -1) {
		$('html').attr({"xml:lang": "en","lang": "en"})
		$('#CalculationResultTable .srHeading').text("Calculation Result")
	} else if (lang.indexOf('lang=sc') != -1) {
		$('html').attr({"xml:lang": "sc","lang": "sc"})
		$('#CalculationResultTable .srHeading').text("计算结果")
	} else if (lang.indexOf('lang=tc') != -1) {
		$('html').attr({"xml:lang": "tc","lang": "tc"})
		$('#CalculationResultTable .srHeading').text("計算結果")
	}
})

// Batch 2 END