//How much can I borrow Calculator

//Variables

// House Value
var val_min = 0;
var val_max = 600000;
var val_initial = 100000;
var current_val_value = val_initial;
var valValues = null;

// Deposit Value
var rent_min = 0;
var rent_max = 5000;
var rent_initial = 400;
var current_rent_value = rent_initial;
var rentValues = null;

//Only call the function when you need to - on mouse up
var cancelAjax = true;


// Set Inital Values and create slider Arrays

function InitializeHowMuchCanIBorrowCalculator()
{   

    // loan slider values
    valValues = CreateSliderValues(new Array(), val_min, 25000, 1000);
    valValues = CreateSliderValues(valValues, 26000, val_max, 1000);
	
	   // deposit slider values
    rentValues = CreateSliderValues(new Array(), rent_min, 1000, 10);
    rentValues = CreateSliderValues(rentValues, 1010, rent_max, 50);
	

    // loan slider
    $('#valTrack').slider({
        min: 0,
        max: valValues.length - 1,
        steps: valValues.length,
        change: function(e, ui)
		
        {
            current_val_value = valValues[ui.value]; 
            ShowResult();
        },
        slide: function(e, ui)
        {
            $('#valTextInput').val(valValues[ui.value]);
        }
    });
	
	// deposit slider
    $('#rentTrack').slider({
        min: 0,
        max: rentValues.length - 1,
        steps: rentValues.length,
        change: function(e, ui)
		
        {
            current_rentvalue = rentValues[ui.value]; 
            ShowResult();
        },
        slide: function(e, ui)
        {
            $('#rentTextInput').val(rentValues[ui.value]);
        }
    });
	
	
	$('#valTextInput').change(function(eventArgs) { return handleKeyPress(eventArgs, valValues, 'valTrack'); });
    $('#valTextInput').val(current_val_value);
	   
    $('#rentTextInput').change(function(eventArgs) { return handleKeyPress(eventArgs, rentValues, 'rentTrack'); });
    $('#rentTextInput').val(current_rent_value);
	
	
	$('#valTrack').slider("value", FindValueIndex(valValues, current_val_value));
	$('#rentTrack').slider("value", FindValueIndex(rentValues, current_rent_value));
    
	// setting this to false will trigget the ajax call
	cancelAjax = false;
    
}

function handleKeyPress(eventArgs, valuesArr, trackId)
{
//    if (eventArgs.keyCode == 13)
//    {
        var v = parseFloat($(eventArgs.target).val());

        // is it a number?
        if (isNaN(v))
        {
            alert('Sorry, the amount is invalid.');
            return false;
        }
        else
        {
            var sliderIdx = FindValueIndex(valuesArr, v);

            if (!isNaN(sliderIdx))
            {
                // cancel this ajax request - we'll call it later on
                cancelAjax = true;
                $('#' + trackId).slider("value", sliderIdx);
                cancelAjax = false;
            }
            else
            {
                alert('Please enter a value higher than ' + valuesArr[0] + ' and lower than ' + valuesArr[valuesArr.length - 1] + '.');
                return false;
            }
        }

        $(eventArgs.target).val(v);

       
		
		
        ShowResult(); // calling the ajax request here will send the correct "current" values
        //return false;
 
}

function ShowResult()
{

// don't keep doing it, honestly, everything will go crazy.  
    if (cancelAjax) { return; }   
	
	///declare variables
var	PropertyValue		=	 document.getElementById("valTextInput").value;
PropertyValue = parseFloat(PropertyValue.replace(/[^0-9.]/g, ''));
var	MonthlyRent		=	 document.getElementById("rentTextInput").value;
MonthlyRent	=	parseFloat(MonthlyRent.replace(/[^0-9.]/g, ''));
var MaxLoanLtv = 0
var MaxLoantoRent  = 0
var MaxLoan = 0
if (MonthlyRent > 0) {
	MaxLoantoRent = (MonthlyRent * 12)/ 0.06875;
	MaxLoantoRent = parseFloat(MaxLoantoRent);
	MaxLoan = MaxLoantoRent;
		}
if (PropertyValue > 0) {
	MaxLoanLtv = PropertyValue * 0.75;
	MaxLoan = MaxLoanLtv;
}
if (MonthlyRent > 0 && PropertyValue > 0){
	if (MaxLoanLtv > MaxLoantoRent) { MaxLoan = MaxLoantoRent }
	else {MaxLoan = MaxLoanLtv}
	}
	MaxLoan = Math.round(MaxLoan * 100)
		MaxLoan = MaxLoan / 100
	
	MaxLoan = addCommas(MaxLoan);

document.getElementById("maxborrow").innerHTML = MaxLoan



document.getElementById('resultPane').style.display = "block";


}

$(document).ready(InitializeHowMuchCanIBorrowCalculator);