Teach-code/test-whiteboard.html at main · shankeleven/Teach-code · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <title>Whiteboard WebSocket Test</title>
  </head>
  <body>
    <h1>Whiteboard WebSocket Test</h1>
    <div id="status">Connecting...</div>
    <button onclick="sendTestDraw()">Send Test Draw</button>
    <div id="messages"></div>

    <script>
      const ws = new WebSocket(
        "ws://localhost:5000/ws?roomId=test&username=testuser"
      );
      const statusDiv = document.getElementById("status");
      const messagesDiv = document.getElementById("messages");

      ws.onopen = function () {
        statusDiv.textContent = "Connected!";
        statusDiv.style.color = "green";
      };

      ws.onerror = function (error) {
        statusDiv.textContent = "Connection Error: " + JSON.stringify(error);
        statusDiv.style.color = "red";
      };

      ws.onclose = function () {
        statusDiv.textContent = "Connection Closed";
        statusDiv.style.color = "orange";
      };

      ws.onmessage = function (event) {
        const message = JSON.parse(event.data);
        const messageDiv = document.createElement("div");
        messageDiv.textContent = `Received: ${
          message.action
        } - ${JSON.stringify(message.payload)}`;
        messagesDiv.appendChild(messageDiv);

        if (message.action === "WELCOME") {
          console.log("Welcome state:", message.payload.state);
        }
      };

      function sendTestDraw() {
        const testElements = [
          {
            id: "test-1",
            type: "path",
            path: "M10,10 L50,50",
            stroke: "#ffffff",
            strokeWidth: 2,
            fill: "none",
          },
        ];

        ws.send(
          JSON.stringify({
            action: "WHITEBOARD_DRAW",
            payload: { elements: testElements },
          })
        );

        console.log("Sent test whiteboard draw:", testElements);
      }
    </script>
  </body>
</html>