Teach-code/debug-ws.html at main · shankeleven/Teach-code · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <title>WebSocket Debug Test</title>
  </head>
  <body>
    <h1>WebSocket Debug Test</h1>
    <div id="status">Testing...</div>
    <div id="messages"></div>

    <script>
      const statusDiv = document.getElementById("status");
      const messagesDiv = document.getElementById("messages");

      function addMessage(msg) {
        const div = document.createElement("div");
        div.textContent = new Date().toLocaleTimeString() + ": " + msg;
        messagesDiv.appendChild(div);
      }

      // Test WebSocket connection like the frontend does
      const protocol = window.location.protocol === "https:" ? "wss" : "ws";
      const isDevelopment =
        window.location.hostname === "localhost" &&
        window.location.port === "3000";
      const wsHost = isDevelopment ? "localhost:5000" : window.location.host;
      const wsUrl = `${protocol}://${wsHost}/ws?roomId=debug&username=debuguser`;

      addMessage(`Connecting to: ${wsUrl}`);
      addMessage(`Development mode: ${isDevelopment}`);
      addMessage(
        `Host: ${window.location.hostname}, Port: ${window.location.port}`
      );

      const ws = new WebSocket(wsUrl);

      ws.onopen = function () {
        statusDiv.textContent = "Connected!";
        statusDiv.style.color = "green";
        addMessage("WebSocket connection opened successfully");
      };

      ws.onerror = function (error) {
        statusDiv.textContent = "Error!";
        statusDiv.style.color = "red";
        addMessage(`WebSocket error: ${JSON.stringify(error)}`);
        addMessage(`Error type: ${error.type}`);
        addMessage(`Error target: ${error.target.readyState}`);
      };

      ws.onclose = function (event) {
        statusDiv.textContent = "Closed";
        statusDiv.style.color = "orange";
        addMessage(
          `WebSocket closed: code=${event.code}, reason=${event.reason}`
        );
      };

      ws.onmessage = function (event) {
        addMessage(`Received: ${event.data}`);
      };
    </script>
  </body>
</html>