file for testing deepdive business model functionality

index.js

const testJSON = require('./testCases/test1');

const arrSum = function(arr){
    return arr.reduce(function(a,b){
      return a + b
    }, 0);
}



const totalRevenue = [];
const totalCustomers = [];




const revenueCalculator = (input) => {
    input.customerGrowth /= 100;
    input.persistence /= 100;
    if(input.subscriptionService && !input.anyAdditionalPurchase){
        input.units = 0;
        input.unitPrice = 0;
    }
    if(!input.subscriptionService){
        input.persistence = 0;
        input.subscriptionPrice = 0;
        input.anyAdditionalPurchase = 0; // this should not be 0 . Confirm from titash!
    }


    let fullMarketRevenue = 0;
    let annualRevenueFromSubscription = 0;
    let annualRevenueFromOtherSales = 0;
    for(let j = 1; j <= input.totalMonths; j++) {
        let multiplier = 0;
        for(let i = 0; i < j; i++) {
            multiplier += Math.pow(input.persistence,i);
        }
        // console.log(`Multiplier after ${j} th month : `, multiplier);
        totalCustomers[j-1] = Math.floor(input.newCustomers*Math.pow((1+input.customerGrowth),j-1)*multiplier);
        let monthlyRevenueFromSubscription = (input.subscriptionService*totalCustomers[j-1]*input.subscriptionPrice);
        let monthlyRevenueFromOtherSales = totalCustomers[j-1]*input.unitPrice*input.units;
        totalRevenue[j-1] =  Math.round(monthlyRevenueFromSubscription + monthlyRevenueFromOtherSales);
        annualRevenueFromSubscription += monthlyRevenueFromSubscription;
        annualRevenueFromOtherSales += monthlyRevenueFromOtherSales;
        console.log(`subscript revenue for ${j} th month : `, monthlyRevenueFromSubscription);
        console.log(`other sales revenue for ${j} th month : `, monthlyRevenueFromOtherSales);
    }
    fullMarketRevenue = (input.totalMarketSize*input.units*input.unitPrice*input.totalMonths)+(input.subscriptionService*input.subscriptionPrice*input.totalMonths);
    console.log("Total customers : " , totalCustomers)
    console.log("Monthwise revenue : " , totalRevenue)
    console.log("Total Annual Revenue : " , arrSum(totalRevenue))
    console.log("Full market Revenue : " , fullMarketRevenue)
    console.log("Annual revenue from subscription : ", annualRevenueFromSubscription);
    console.log("Annual revenue from other sales : ", annualRevenueFromOtherSales);
}



const costCalculator = (input) => {
    let fixedCosts = 0;
    input.employees.forEach( (element) => {
        fixedCosts += (element.required ? element.salary : 0);
    });
    input.otherExpenses.forEach( (element) => {
        fixedCosts += (element.required ? element.cost : 0);
    })
    let spreadFixedCosts = fixedCosts/input.totalMonths;



    let totalCosts = [];
    let totalCustomers = [];
    let annualRevenue = 0;
    let annualCosts = 0;
    let annualProfit = 0;
    let annualCustomerAcquisitionCost = 0;
    let annualProductionCost = 0;

    for(let j = 1; j <= input.totalMonths; j++){
        let multiplier = 0;
        for (let i = 0; i < j; i++) {
            multiplier += Math.pow(input.persistence,i);
        }
        // console.log(`multiplier after ${j} th month`, multiplier);
        totalCustomers[j-1] = Math.floor(input.newCustomers*Math.pow((1+input.customerGrowth),j-1)*multiplier);
        let monthlyCustomerAcquisitionCost = (input.newCustomers*Math.pow((1+input.customerGrowth),j-1)*input.customerAcquisition);
        let monthlyProductionCost = input.anyAdditionalPurchase*(totalCustomers[j-1]*input.unitCost*input.units);
        totalCosts[j-1] = Math.round(monthlyCustomerAcquisitionCost + spreadFixedCosts + monthlyProductionCost);
        annualCustomerAcquisitionCost += monthlyCustomerAcquisitionCost;
        annualProductionCost += monthlyProductionCost;
        console.log(`customer acquisition cost for ${j} th month : `, monthlyCustomerAcquisitionCost);
        console.log(`production cost for ${j} th month : `, monthlyProductionCost);
    }
    annualRevenue = arrSum(totalRevenue);
    annualRevenue = annualRevenue.toFixed(2);
    annualCosts = arrSum(totalCosts);
    annualCosts = annualCosts.toFixed(2);
    annualProfit = annualRevenue-annualCosts;
    annualProfit = annualProfit.toFixed(2);

    console.log("Total Annual Revenue", annualRevenue);
    console.log("Monthwise customers : " , totalCustomers)
    console.log("Monthwise costs : ", totalCosts)
    console.log("Annual Production Cost : ", annualProductionCost);
    console.log("Annual Customer Acquistion Cost : ", annualCustomerAcquisitionCost);
    console.log("Total Annual Cost : ", annualCosts);

    if(annualProfit > 0){
        console.log("Total Annual Profit : ", annualProfit)
        console.log("Profit to Revenue Ratio" , Math.round(100*(annualProfit/annualRevenue).toFixed(2)), '%');
    }
    else {
        console.log("Total Annual Loss : ", -1 * annualProfit)
        console.log("Loss to Revenue Ratio" , Math.round(-1*100*(annualProfit/annualRevenue).toFixed(2)), '%');
    }
}

(function(){
    revenueCalculator(testJSON);
    console.log("*************************************************");
    costCalculator(testJSON);
})();

test1.js

module.exports = {
    "newCustomers" : 1000,
    "customerGrowth" : 10,
    "subscriptionService" : 1,
    "subscriptionPrice" : 30,
    "unitPrice" : 40,
    "units" : 50,
    "totalMarketSize" : 1,
    "totalMonths" : 12,
    "customerAcquisition" : 508,
    "anyAdditionalPurchase" : 1,                    // according to current bot logic, this is to be 1 in only one case : subscription type model and additional purchases present.  in any other case it is 0.  ~~~~~!!!!! Confirm from Titash, if non-subs -> this should be 1. Now we make it zero. 
    "unitCost" : 81,
    "persistence" : 40,
    "employees" : [
        {
            "position" : "CEO",
            "required" : 1,
            "salary" : 75000
        },
        {
            "position" : "software developer",
            "required" : 1,
            "salary" : 100000
        },
        {
            "position" : "product manager",
            "required" : 0,
            "salary" : 107000
        },
        {
            "position" : "data scientist",
            "required" : 0,
            "salary" : 101000
        },
        {
            "position" : "sales and marketing director",
            "required" : 0,
            "salary" : 97000
        }
    ],
    "otherExpenses" : [
        {
            "type" : "rent",
            "required" : 1,
            "cost" : 33000
        },
        {
            "type" : "advertising and marketing",
            "required" : 0,
            "cost" : 2500
        },
        {
            "type" : "website",
            "required" : 0,
            "cost" : 480
        },
        {
            "type" : "computer and office supplies",
            "required" : 0,
            "cost" : 7500
        },
        {
            "type" : "insurance",
            "required" : 0,
            "cost" : 1200
        }
    ]
}