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Author: Pretty Taruvinga

Sprint-3/alarmclock/alarmclock.js

@@ -1,4 +1,38 @@
-function setAlarm() {}
+let timeLeft = 0;
+let timer = null;
+
+function formatTime(seconds) {
+  let mins = String(Math.floor(seconds / 60)).padStart(2, "0");
+  let secs = String(seconds % 60).padStart(2, "0");
+  return `${mins}:${secs}`;
+}
+
+function setAlarm() {
+  const input = document.getElementById("alarmSet").value;
+  const display = document.getElementById("timeRemaining");
+
+  timeLeft = parseInt(input, 10);
+
+  if (isNaN(timeLeft) || timeLeft <= 0) {
+    alert("Please enter a valid number of seconds.");
+    return;
+  }
+
+  display.textContent = `Time Remaining: ${formatTime(timeLeft)}`;
+
+  if (timer) {
+    clearInterval(timer);
+  }
+  timer = setInterval(() => {
+    if (timeLeft > 0) {
+      timeLeft--;
+      display.textContent = `Time Remaining: ${formatTime(timeLeft)}`;
+    } else {
+      clearInterval(timer);
+      playAlarm();
+    }
+  }, 1000);
+}
 
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