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<!DOCTYPE html>
<html>
<head>
  <title>Google OAuth Demo</title>
</head>
<body>
  <h1>Google Login Demo</h1>
  <div id="welcome-message">Checking login...</div>
  <button onclick="loginWithGoogle()">Login with Google</button>

  <script>
    async function checkLogin() {
      try {
        const res = await fetch("/api/user");
        if (res.ok) {
          const user = await res.json();
          document.getElementById("welcome-message").innerText =
            `Welcome, ${user.name} (${user.email})`;
        } else {
          document.getElementById("welcome-message").innerText =
            "You are not logged in.";
        }
      } catch (err) {
        console.error("Error checking login:", err);
      }
    }

    function loginWithGoogle() {
      window.location.href = "/google/login";
    }

    checkLogin();
  </script>
</body>
</html>