<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>LinkUp</title>
  <link rel="stylesheet" type="text/css" href="style.css">
  <script type="module" src="./app.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/markdown-it/dist/markdown-it.min.js"></script>
</head>
<body>
  <header>
    <pear-ctrl></pear-ctrl>
    <div id="linkup-text">LinkUp</div>
  </header>
  <main>
    <div id="sidebar">
      <ul id="room-list">
        <!-- Room list will be populated dynamically -->
      </ul>
      <button id="toggle-setup-btn">Create/Join Room</button>
    </div>
    <div id="content">
      <div id="register" class="hidden">
        <form id="register-form">
          <input required id="reg-username" type="text" placeholder="Username" />
          <input type="file" id="avatar-file" accept="image/*" style="display: none;" />
          <button type="button" id="select-avatar">Select Avatar</button>
          <input type="submit" value="Register" />
        </form>
      </div>
      <div id="setup" class="hidden">
        <div id="user-info">
          <!-- User info will be populated dynamically -->
        </div>
        <button id="create-chat-room">Create Room</button>
        <div id="or">- or -</div>
        <div id="join-chat-room-container">
          <label for="connection-topic">Topic:</label>
          <input type="text" id="join-chat-room-topic" placeholder="connection topic">
          <button id="join-chat-room">Join Room</button>
        </div>
      </div>
      <div id="chat" class="hidden">
        <div id="header">
          <div id="details">
            <div>
              Topic: <span id="chat-room-topic"></span>
            </div>
            <div>
              Peers: <span id="peers-count">0</span>
            </div>
          </div>
          <div id="user-list">
            <!-- User list will be populated here -->
          </div>
        </div>
        <div id="messages-container">
          <div id="messages"></div>
        </div>
        <form id="message-form">
          <textarea id="message" rows="4"></textarea>
          <input type="file" id="file-input" style="display:none;">
          <button type="button" id="attach-file">Attach File</button>
          <input type="submit" value="Send" />
        </form>
        <button id="remove-room-btn">Leave Room</button>
      </div>
      <div id="loading" class="hidden">Loading ...</div>
    </div>
  </main>
  <script>
    document.addEventListener('DOMContentLoaded', function() {
      const messageInput = document.getElementById('message');
      messageInput.addEventListener('keydown', function(event) {
        if (event.key === 'Enter' && !event.shiftKey) {
          event.preventDefault();
          document.getElementById('message-form').dispatchEvent(new Event('submit'));
        }
      });
    });
  </script>
</body>
</html>