CodeYourFuture · AngelaMcLeary · Mar 23, 2026 · Mar 24, 2026 · Mar 26, 2026 · Mar 28, 2026
diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
@@ -1,4 +1,87 @@
-function setAlarm() {}
+let alarmInterval;
+let colorInterval;
+let errorTimeout;
+
+function setAlarm() {
+  clearInterval(alarmInterval);
+  const timeRemaining = document.querySelector("#alarmSet");
+  const display = document.querySelector("#timeRemaining");
+  const error = document.querySelector("#error");
+  if (!timeRemaining || !display || !error) return;
+  //what ever we input is turned into seconds
+  let totalSeconds = parseInt(timeRemaining.value);
+  // throw an error message if the user enters nothing and presses the alarm button.
+  if (isNaN(totalSeconds) || totalSeconds <= 0) {
+    error.textContent = "Please enter a valid number in seconds!";
+    //set error to disappear after 3 seconds
+    clearTimeout(errorTimeout);
+    errorTimeout = setTimeout(() => {
+      error.textContent = "";
+    }, 3000);
+    return;
+  }
+  const formattedTime = (seconds) => {
+    const mins = Math.floor(seconds / 60)
+      .toString()
+      .padStart(2, "0");
+    const secs = (seconds % 60).toString().padStart(2, "0");
+    return `${mins}:${secs}`;
+  };
+
+  display.innerHTML = `Time Remaining: ${formattedTime(totalSeconds)}`;
+
+  alarmInterval = setInterval(() => {
+    totalSeconds--;
+
+    display.innerHTML = `Time Remaining: ${formattedTime(totalSeconds)}`;
+
+    if (totalSeconds <= 0) {
+      clearInterval(alarmInterval);
+      playAlarm();
+    }
+  }, 1000);
+}
+//add color changing background when alarm reaches 0 until stopped.
+//function from color changing assignment 10 year ago!
+function makeRandomColor() {
+  let colorOptions = "0123456789ABCDEF";
+  let newColor = "#";
+  //repeat 6 times to generate 6 random hex digits from the 16 characters in colorOptions
+  for (let i = 0; i < 6; i++) {
+    //picks random numbers from colorOptions and appends it to the # to make a new color.
+    newColor += colorOptions[Math.floor(Math.random() * 16)];
+  }
+  return newColor;
+}
+//end color changing
+
+//keep the existing code below and call the setup
+//set the background color transition
+document.body.style.transition = "background-color 0.7s ease";
+// call the entire page
+window.addEventListener("load", function () {
+  // attach the alarm sound to the make Random color so it starts changing when the alarm starts.
+  audio.addEventListener("play", () => {
+    // stops any previous color changing intervals
+    clearInterval(colorInterval);
+    //starts a new repeating timer and saves it's ID in colorInterval. setInterval runs every 2seconds
+    colorInterval = setInterval(() => {
+      //style the background and make it important! so it over-rides the style.css
+      document.body.style.setProperty(
+        "background-color",
+        makeRandomColor(),
+        "important"
+      );
+      //closes setInterval after 1 seconds
+    }, 1000);
+  });
+
+  audio.addEventListener("pause", () => {
+    clearInterval(colorInterval);
+    document.body.style.backgroundColor = "";
+  });
+});
+//end linking
 
 // DO NOT EDIT BELOW HERE
 

diff --git a/Sprint-3/alarmclock/index.html b/Sprint-3/alarmclock/index.html
@@ -1,19 +1,19 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="en">
   <head>
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <link rel="stylesheet" href="style.css" />
-    <title>Title here</title>
+    <title>Alarm clock app</title>
   </head>
   <body>
     <div class="centre">
       <h1 id="timeRemaining">Time Remaining: 00:00</h1>
       <label for="alarmSet">Set time to:</label>
-      <input id="alarmSet" type="number" />
-
+      <input id="alarmSet" type="number" placeholder="in seconds" />
       <button id="set" type="button">Set Alarm</button>
       <button id="stop" type="button">Stop Alarm</button>
+      <p id="error"></p>
     </div>
     <script src="alarmclock.js"></script>
   </body>

diff --git a/Sprint-3/alarmclock/package.json b/Sprint-3/alarmclock/package.json
@@ -13,5 +13,8 @@
   "bugs": {
     "url": "https://github.com/CodeYourFuture/CYF-Coursework-Template/issues"
   },
-  "homepage": "https://github.com/CodeYourFuture/CYF-Coursework-Template#readme"
+  "homepage": "https://github.com/CodeYourFuture/CYF-Coursework-Template#readme",
+  "devDependencies": {
+    "@testing-library/jest-dom": "^6.9.1"
+  }
 }
diff --git a/Sprint-3/alarmclock/style.css b/Sprint-3/alarmclock/style.css
@@ -1,4 +1,107 @@
+* {
+  box-sizing: border-box;
+  margin: 0;
+  padding: 0;
+  font-family: "Roboto", "Segoe UI", sans-serif;
+}
+
+body {
+  background: #c5b7a9;
+  color: #797d8131;
+  height: 100vh;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+
+/* Centered card*/
 .centre {
+  background-color: #000000;
+  padding: 40px 60px;
+  border-radius: 10px;
+  text-align: center;
+  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
+  min-width: 300px;
+}
+
+/* Time display */
+h1 {
+  font-size: 2.5rem;
+  margin-bottom: 30px;
+  font-weight: 600;
+  color: #f1bcaf;
+  letter-spacing: 1px;
+}
+/*to set time*/
+label {
+  color: #f1bcaf;
+  font-size: 1rem;
+  font-weight: 600;
+}
+/* Input time*/
+#alarmSet {
+  padding: 4px 15px 6px 15px;
+  font-size: 1.3rem;
+  border-radius: 4px;
+  border: 2px solid #cbc1bc;
+  outline: none;
+  margin-bottom: 20px;
+  margin-right: 10px;
+  width: 120px;
+  text-align: center;
+  background-color: #e8dfdb;
+  color: #121212;
+}
+/*placeholder text*/
+#alarmSet::placeholder {
+  color: #8f8d8c;
+  font-style: italic;
+  font-size: 0.9rem;
+  opacity: 1;
+}
+
+/* Buttons */
+button {
+  padding: 12px 25px;
+  margin: 10px;
+  font-size: 1rem;
+  border-radius: 5px;
+  border: none;
+  cursor: pointer;
+  font-weight: 600;
+  transition: all 0.3s ease-in-out;
+}
+
+/* Set Alarm */
+#set {
+  background-color: #1f6718;
+  color: #fff;
+}
+
+#set:hover {
+  background-color: #447f3d;
+  transform: translateY(-1px);
+}
+
+/* Stop Alarm */
+#stop {
+  background-color: #825047;
+  color: #fff;
+}
+
+#stop:hover {
+  background-color: brown;
+  transform: translateY(-1px);
+}
+
+#error {
+  color: red;
+  height: 1em;
+  font-size: 1rem;
+}
+
+/* keep old styling in case you need to revert back */
+/* .centre {
   position: fixed;
   top: 50%;
   left: 50%;
@@ -12,4 +115,4 @@
 
 h1 {
   text-align: center;
-}
+} */