<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Pomodoro Timer</title>
<style>
button {
padding: 10px 20px;
margin: 5px;
font-size: 16px;
}
#timer {
font-size: 24px;
margin-top: 20px;
}
</style>
</head>
<body>
<h1>Pomodoro Timer</h1>
<div id="timer">Connecting to server...</div>
<!-- Buttons to start, pause/resume, and stop the timer -->
<button id="startButton">Start</button>
<button id="pauseResumeButton" style="display: none;">Pause</button>
<button id="resetButton" style="display: none;">Reset</button>
<script>
var ws = new WebSocket("ws://localhost:8080/ws");
var isPaused = false; // Track if the timer is paused
ws.onopen = function () {
document.getElementById("timer").innerText = "Connected to server.";
};
// Handle incoming messages and update the timer display
ws.onmessage = function (event) {
var data = JSON.parse(event.data);
var mode = data.mode;
var session = data.session;
var maxSession = data.max_session;
var timeLeft = data.time_left;
document.getElementById("timer").innerText =
mode + " Session " + session + "/" + maxSession + ": " + formatTime(timeLeft);
};
ws.onclose = function () {
document.getElementById("timer").innerText = "Connection closed.";
};
// Format time in MM:SS
function formatTime(seconds) {
var minutes = Math.floor(seconds / 60);
var remainingSeconds = seconds % 60;
return minutes.toString().padStart(2, '0') + ":" + remainingSeconds.toString().padStart(2, '0');
}
// Start Button Click Event
document.getElementById("startButton").addEventListener("click", function () {
ws.send(JSON.stringify({command: "start"}));
// Hide start button and show pause/resume and stop buttons
document.getElementById("startButton").style.display = "none";
document.getElementById("pauseResumeButton").style.display = "inline-block";
document.getElementById("resetButton").style.display = "inline-block";
// Set the pause/resume button to show "Pause" initially
isPaused = false;
document.getElementById("pauseResumeButton").innerText = "Pause";
});
// Pause/Resume Button Click Event
document.getElementById("pauseResumeButton").addEventListener("click", function () {
if (isPaused) {
// If paused, send resume command and update button text
ws.send(JSON.stringify({command: "resume"}));
document.getElementById("pauseResumeButton").innerText = "Pause";
isPaused = false;
} else {
// If running, send pause command and update button text
ws.send(JSON.stringify({command: "pause"}));
document.getElementById("pauseResumeButton").innerText = "Resume";
isPaused = true;
}
});
// Reset Button Click Event
document.getElementById("resetButton").addEventListener("click", function () {
ws.send(JSON.stringify({command: "stop"}));
// Reset buttons after stopping
document.getElementById("startButton").style.display = "inline-block";
document.getElementById("pauseResumeButton").style.display = "none";
document.getElementById("resetButton").style.display = "none";
});
</script>
</body>
</html>