Move37-Voting-API/poll-demo.html at main · konvictgit/Move37-Voting-API · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <title>Real-Time Polling</title>
    <style>
      body {
        font-family: sans-serif;
        padding: 20px;
        background: #f9f9f9;
      }
      h1 {
        color: #333;
      }
      .option-btn {
        margin: 6px;
        padding: 10px 18px;
        border: none;
        border-radius: 6px;
        background: #007bff;
        color: white;
        cursor: pointer;
        font-size: 14px;
      }
      .option-btn:hover:not(:disabled) {
        background: #0056b3;
      }
      .option-btn:disabled {
        background: #ccc;
        cursor: not-allowed;
      }
      pre {
        background: #fff;
        padding: 10px;
        border-radius: 6px;
        border: 1px solid #ddd;
      }
      #message {
        margin-top: 10px;
        font-weight: bold;
        color: green;
      }
    </style>
  </head>
  <body>
    <h1>Real-Time Polling</h1>
    <p><strong>Poll:</strong> <span id="question">Loading...</span></p>
    <div id="options"></div>

    <h2>Live Results</h2>
    <pre id="results">Waiting for updates...</pre>
    <p id="message"></p>

    <!-- Load Socket.IO client -->
    <script src="http://localhost:4000/socket.io/socket.io.js"></script>
    <script>
      const token =
        "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VySWQiOiJjbWZnbzgwNTYwMDAwNmE5d2N0MnJ0MTZ1IiwiaWF0IjoxNzU3NjcyNzUxLCJleHAiOjE3NTgyNzc1NTF9.QT4JkV4vd8C6LB86-VJ4iHfG4MqS8CGcquBaZ5ogaWo"; // 🔑 Replace with your JWT token
      const apiBase = "http://localhost:4000";
      let pollId = null;

      const socket = io(apiBase, { transports: ["websocket"] });

      socket.on("connect", () => {
        console.log("Connected:", socket.id);
        if (pollId) {
          socket.emit("joinPoll", pollId);
        }
      });

      socket.on("pollUpdated", (payload) => {
        console.log("pollUpdated:", payload);
        renderPoll(payload);
      });

      // ✅ Fetch latest poll dynamically
      async function fetchLatestPoll() {
        const res = await fetch(`${apiBase}/polls`);
        const polls = await res.json();

        if (!polls || polls.length === 0) {
          document.getElementById("question").innerText =
            "No polls found. Please create one first.";
          return;
        }

        // Use the most recent poll
        pollId = polls[0].id;
        console.log("Using pollId:", pollId);

        socket.emit("joinPoll", pollId);

        const pollRes = await fetch(`${apiBase}/polls/${pollId}`);
        const poll = await pollRes.json();
        renderPoll(poll);
      }

      async function vote(optionId) {
        const res = await fetch(`${apiBase}/polls/${pollId}/vote`, {
          method: "POST",
          headers: {
            Authorization: `Bearer ${token}`,
            "Content-Type": "application/json",
          },
          body: JSON.stringify({ optionId }),
        });

        const data = await res.json();
        console.log("Vote response:", data);

        if (res.status === 200) {
          // Disable all buttons after successful vote
          document.querySelectorAll("button.option-btn").forEach((btn) => {
            btn.disabled = true;
          });
          document.getElementById("message").innerText =
            "✅ You already voted!";
        } else {
          alert(data.error || "Vote failed");
        }
      }

      function renderPoll(poll) {
        document.getElementById("question").innerText = poll.question;

        // Render options as buttons
        document.getElementById("options").innerHTML = poll.options
          .map(
            (o) => `
            <button class="option-btn" onclick="vote('${o.id}')">
              ${o.text} (${o.votes} votes)
            </button>
          `
          )
          .join("");

        // Render results
        document.getElementById("results").innerText = JSON.stringify(
          poll.options.map((o) => ({
            option: o.text,
            votes: o.votes,
          })),
          null,
          2
        );
      }

      // 🚀 Start by fetching latest poll
      fetchLatestPoll();
    </script>
  </body>
</html>