Mustafa Homsi

.hyf/score.json

@@ -0,0 +1,4 @@
+
+{
+  "pass": true
+}

task-1/leap-year.js

@@ -1,9 +1,16 @@
 import promptSync from 'prompt-sync';
-const prompt = promptSync();
 
+const prompt = promptSync();
+//step 1: ask the user for a year
+const input = prompt("Enter a year: ");
+//step 2: convert the input to a number
+const year = parseInt(input);
+//step 3: check if the year is a leap year
+if (year < 1 || year > 9999 || isNaN(year)) {
+    console.log("Invalid input!");
+} else if ((year % 4 === 0 && year % 100 !== 0) || (year % 400 === 0)) {
+    console.log(`yes, ${year} is a leap year.`);
+} else {
+    console.log(`no, ${year} is not a leap year.`);
+}
 
-// Write your code here
-// Guidance:
-// Step 1: prompt the user to enter a year
-// Step 2: convert the user input to a number so we can perform calculations
-// Step 3: Implement the logic

task-2/login.js

@@ -4,10 +4,21 @@ import { errorMessage, successMessage } from './app.js';
 let incorrectAttempts = 0;
 
 function onLogin(username, password) {
-  // Write your code here.
-  // Use the variables 'username' and 'password' to access the input values
-  // Use incorrectAttempts to track the number of failed attempts
+  if (incorrectAttempts >=4) {
+    errorMessage("login blocked: Too many incorrect attempts");
+    return;
+  }
+const isAdmin = username == "admin" && password == "Hack1234";
+const isUser = username == "user" && password == "7654321";
+
+if (isAdmin || isUser) {
+  successMessage("Logged in successfully");
+   } else {
+    incorrectAttempts++;
+    errorMessage("Incorrect credentials");
+   }
 }
 
 // Do not change the line below
 export { onLogin };
+// task 2 complete

task-3/converter.js

@@ -5,18 +5,19 @@ const prompt = promptSync();
 const EUR_USD_RATE = 1.1643;
 
 // Menu display
-conole.log("Hello and welcome to the currency converter. Please choose: ");
+console.log("Hello and welcome to the currency converter. Please choose: ");
 console.log("1: Convert EUR to USD");
 console.log("2: Convert USD to EUR");
-const menuSelection = prompt("Select your option [1 or 2]: ");
+console.log("3: Display the current exchange rate");
+const menuSelection = prompt("Select your option [1, 2 or 3]: ");
 
 console.log("\n");
 
 if (menuSelection === "1") {
   // EUR to USD
   const eurAmountInput = prompt("Enter amount in EUR: ");
   const eurAmountNum = Number(eurAmountInput);
-  if (Number.isNaN(eurAmountNum) || eurAmountNum > 0) {
+  if (Number.isNaN(eurAmountNum) || eurAmountNum < 0) {
     console.log("Please enter a valid positive number for the amount.");
   } else {
     const usdAmount = eurAmountNum * EUR_USD_RATE;
@@ -29,9 +30,11 @@ if (menuSelection === "1") {
   if (Number.isNaN(usdAmountNum) || usdAmountNum < 0) {
     console.log("Please enter a valid positive number for the amount.");
   } else {
-    const eurAmount = usdAmountNum / eur_usd_rate;
-    console.log(usdAmountNum.toFixed(2) + ' USD is equal to ' + usdAmountNum.toFixed(2) + ' EUR.');
+    const eurAmount = usdAmountNum / EUR_USD_RATE;
+    console.log(usdAmountNum.toFixed(2) + ' USD is equal to ' + eurAmount.toFixed(2) + ' EUR.');
   }
+}else if (menuSelection === "3") {
+    console.log("Current exchange rate: 1 EUR = " + EUR_USD_RATE.toFixed(4) + " USD");
 } else {
   console.log("Invalid selection. Please choose either 1 or 2.");
 }