KlazHTT/premium-calculator
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premium-calculator/assets/calculator.js

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15 KiB
JavaScript
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function calculator() {
// pull from input fields
var effectiveDate = document.getElementById("effectiveDate").value;
var expiryDate = document.getElementById("expiryDate").value;
var cancelDate = document.getElementById("cancelDate").value;
var totalPremium = document.getElementById("totalPremium").value;
var breakDO = document.getElementById("breakDO").value || 0;
var breakEO = document.getElementById("breakEO").value || 0;
var breakCyber = document.getElementById("breakCyber").value || 0;
var breakLEI = document.getElementById("breakLEI").value || 0;
var breakCGL = document.getElementById("breakCGL").value || 0;
var breakProperty = document.getElementById("breakProperty").value || 0;
var breakEB = document.getElementById("breakEB").value || 0;
// calculate dates in policy term
var policyDays = new Date(expiryDate).getTime() - new Date(effectiveDate).getTime();
var termDays = policyDays / (1000 * 60 * 60 * 24);
// calculate dates involved with cancellation
var cancelDays = new Date(cancelDate).getTime() - new Date(effectiveDate).getTime();
var forceDays = cancelDays / (1000 * 60 * 60 * 24);
var remainingDays = termDays - forceDays;
// calculate pro rata
if(document.getElementById('calcProRata').checked) {
var earnedFactor = Math.round(((forceDays / termDays) + Number.EPSILON)*1000)/1000;
var unearnedFactor = Math.round(((remainingDays / termDays) + Number.EPSILON)*1000)/1000;
document.getElementById("earnedFactor").className = 'blue';
document.getElementById("unearnedFactor").className = 'blue';
// calculate short rate
}else if(document.getElementById('calcShortRate').checked) {
const searchDate = forceDays;
const shortRateFactor = shortRate[searchDate];
var earnedFactor = shortRateFactor;
var unearnedFactor = Math.round(((1 - shortRateFactor) + Number.EPSILON)*1000)/1000;
document.getElementById("earnedFactor").className = 'blue';
document.getElementById("unearnedFactor").className = 'blue';
}else {
var earnedFactor = 'ERROR'
var unearnedFactor = 'ERROR'
document.getElementById("earnedFactor").className = 'red';
document.getElementById("unearnedFactor").className = 'red';
}
// calculate premiums
var earnedPremium = Math.round(((totalPremium * earnedFactor) + Number.EPSILON)*100)/100;
var unearnedPremium = Math.round(((totalPremium * unearnedFactor) + Number.EPSILON)*100)/100;
document.getElementById("earnedPremium").className = 'green';
document.getElementById("unearnedPremium").className = 'orange';
// calculate breakdown
var calcBreak = +breakDO + +breakEO + +breakCyber + +breakLEI + +breakCGL + +breakProperty + +breakEB;
// check if breakdown matches total premium
var calcMatch = calcBreak-totalPremium;
if(totalPremium<calcBreak && totalPremium > 1) {
var checkMatch = "❌ Total breakdown does not match total premium. It is too high by " + calcMatch + ".";
document.getElementById("checkMatch").className = 'red';
var calculateBreakdown = false;
}else if(totalPremium>calcBreak && totalPremium > 1) {
var checkMatch = "❌ Total breakdown does not match total premium. It is too low by " + calcMatch + ".";
document.getElementById("checkMatch").className = 'red';
var calculateBreakdown = false;
}else if(totalPremium > 1) {
var checkMatch = "✅ Total breakdown matches total premium!";
document.getElementById("checkMatch").className = 'green';
var calculateBreakdown = true;
}else {
var checkMatch = "⚠️ More information is required to provide premium breakdown.";
document.getElementById("checkMatch").className = 'orange';
var calculateBreakdown = false;
}
// calculate breakdowns
if(calculateBreakdown == true) {
var percentDO = Math.round((((breakDO / totalPremium) * 100) + Number.EPSILON)*100)/100;
var earnedDO = Math.round(((breakDO * earnedFactor) + Number.EPSILON)*100)/100;
var unearnedDO = Math.round(((breakDO * unearnedFactor) + Number.EPSILON)*100)/100;
var percentEO = Math.round((((breakEO / totalPremium) * 100) + Number.EPSILON)*100)/100;
var earnedEO = Math.round(((breakEO * earnedFactor) + Number.EPSILON)*100)/100;
var unearnedEO = Math.round(((breakEO * unearnedFactor) + Number.EPSILON)*100)/100;
var percentCyber = Math.round((((breakCyber / totalPremium) * 100) + Number.EPSILON)*100)/100;
var earnedCyber = Math.round(((breakCyber * earnedFactor) + Number.EPSILON)*100)/100;
var unearnedCyber = Math.round(((breakCyber * unearnedFactor) + Number.EPSILON)*100)/100;
var percentLEI = Math.round((((breakLEI / totalPremium) * 100) + Number.EPSILON)*100)/100;
var earnedLEI = Math.round(((breakLEI * earnedFactor) + Number.EPSILON)*100)/100;
var unearnedLEI = Math.round(((breakLEI * unearnedFactor) + Number.EPSILON)*100)/100;
var percentCGL = Math.round((((breakCGL / totalPremium) * 100) + Number.EPSILON)*100)/100;
var earnedCGL = Math.round(((breakCGL * earnedFactor) + Number.EPSILON)*100)/100;
var unearnedCGL = Math.round(((breakCGL * unearnedFactor) + Number.EPSILON)*100)/100;
var percentProperty = Math.round((((breakProperty / totalPremium) * 100) + Number.EPSILON)*100)/100;
var earnedProperty = Math.round(((breakProperty * earnedFactor) + Number.EPSILON)*100)/100;
var unearnedProperty = Math.round(((breakProperty * unearnedFactor) + Number.EPSILON)*100)/100;
var percentEB = Math.round((((breakEB / totalPremium) * 100) + Number.EPSILON)*100)/100;
var earnedEB = Math.round(((breakEB * earnedFactor) + Number.EPSILON)*100)/100;
var unearnedEB = Math.round(((breakEB * unearnedFactor) + Number.EPSILON)*100)/100;
document.getElementById("percentDO").className = 'blue';
document.getElementById("earnedDO").className = 'green';
document.getElementById("unearnedDO").className = 'orange';
document.getElementById("percentEO").className = 'blue';
document.getElementById("earnedEO").className = 'green';
document.getElementById("unearnedEO").className = 'orange';
document.getElementById("percentCyber").className = 'blue';
document.getElementById("earnedCyber").className = 'green';
document.getElementById("unearnedCyber").className = 'orange';
document.getElementById("percentLEI").className = 'blue';
document.getElementById("earnedLEI").className = 'green';
document.getElementById("unearnedLEI").className = 'orange';
document.getElementById("percentCGL").className = 'blue';
document.getElementById("earnedCGL").className = 'green';
document.getElementById("unearnedCGL").className = 'orange';
document.getElementById("percentProperty").className = 'blue';
document.getElementById("earnedProperty").className = 'green';
document.getElementById("unearnedProperty").className = 'orange';
document.getElementById("percentEB").className = 'blue';
document.getElementById("earnedEB").className = 'green';
document.getElementById("unearnedEB").className = 'orange';
}else {
var percentDO = 'ERROR'
var earnedDO = 'ERROR'
var unearnedDO = 'ERROR'
var percentEO = 'ERROR'
var earnedEO = 'ERROR'
var unearnedEO = 'ERROR'
var percentCyber = 'ERROR'
var earnedCyber = 'ERROR'
var unearnedCyber = 'ERROR'
var percentLEI = 'ERROR'
var earnedLEI = 'ERROR'
var unearnedLEI = 'ERROR'
var percentCGL = 'ERROR'
var earnedCGL = 'ERROR'
var unearnedCGL = 'ERROR'
var percentProperty = 'ERROR'
var earnedProperty = 'ERROR'
var unearnedProperty = 'ERROR'
var percentEB = 'ERROR'
var earnedEB = 'ERROR'
var unearnedEB = 'ERROR'
document.getElementById("percentDO").className = 'red';
document.getElementById("earnedDO").className = 'red';
document.getElementById("unearnedDO").className = 'red';
document.getElementById("percentEO").className = 'red';
document.getElementById("earnedEO").className = 'red';
document.getElementById("unearnedEO").className = 'red';
document.getElementById("percentCyber").className = 'red';
document.getElementById("earnedCyber").className = 'red';
document.getElementById("unearnedCyber").className = 'red';
document.getElementById("percentLEI").className = 'red';
document.getElementById("earnedLEI").className = 'red';
document.getElementById("unearnedLEI").className = 'red';
document.getElementById("percentCGL").className = 'red';
document.getElementById("earnedCGL").className = 'red';
document.getElementById("unearnedCGL").className = 'red';
document.getElementById("percentProperty").className = 'red';
document.getElementById("earnedProperty").className = 'red';
document.getElementById("unearnedProperty").className = 'red';
document.getElementById("percentEB").className = 'red';
document.getElementById("earnedEB").className = 'red';
document.getElementById("unearnedEB").className = 'red';
}
// display policy terms
document.getElementById("termDays").innerHTML = termDays;
document.getElementById("forceDays").innerHTML = forceDays;
document.getElementById("remainingDays").innerHTML = remainingDays;
document.getElementById("earnedFactor").innerHTML = earnedFactor;
document.getElementById("unearnedFactor").innerHTML = unearnedFactor;
document.getElementById("earnedPremium").innerHTML = earnedPremium;
document.getElementById("unearnedPremium").innerHTML = unearnedPremium;
// display breakdown
document.getElementById("checkMatch").innerHTML = checkMatch;
document.getElementById("percentDO").innerHTML = percentDO;
document.getElementById("earnedDO").innerHTML = earnedDO;
document.getElementById("unearnedDO").innerHTML = unearnedDO;
document.getElementById("percentEO").innerHTML = percentEO;
document.getElementById("earnedEO").innerHTML = earnedEO;
document.getElementById("unearnedEO").innerHTML = unearnedEO;
document.getElementById("percentCyber").innerHTML = percentCyber;
document.getElementById("earnedCyber").innerHTML = earnedCyber;
document.getElementById("unearnedCyber").innerHTML = unearnedCyber;
document.getElementById("percentLEI").innerHTML = percentLEI;
document.getElementById("earnedLEI").innerHTML = earnedLEI;
document.getElementById("unearnedLEI").innerHTML = unearnedLEI;
document.getElementById("percentCGL").innerHTML = percentCGL;
document.getElementById("earnedCGL").innerHTML = earnedCGL;
document.getElementById("unearnedCGL").innerHTML = unearnedCGL;
document.getElementById("percentProperty").innerHTML = percentProperty;
document.getElementById("earnedProperty").innerHTML = earnedProperty;
document.getElementById("unearnedProperty").innerHTML = unearnedProperty;
document.getElementById("percentEB").innerHTML = percentEB;
document.getElementById("earnedEB").innerHTML = earnedEB;
document.getElementById("unearnedEB").innerHTML = unearnedEB;
}
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