Initial commit — Meridian OS browser desktop demo

js/core/auth.js

@@ -0,0 +1,71 @@
+import State from './state.js';
+import Bus from './bus.js';
+
+const Auth = (() => {
+  function login(name) {
+    const trimmed = name.trim();
+    if (!trimmed) return;
+    const initials = trimmed.slice(0, 2).toUpperCase();
+    State.set('user', { name: trimmed, initials });
+    document.getElementById('login').classList.add('hidden');
+    const desktop = document.getElementById('desktop');
+    desktop.classList.remove('hidden');
+    desktop.hidden = false;
+    Bus.emit('user:login', { name: trimmed });
+    // Persist login session
+    localStorage.setItem('meridian:session', trimmed);
+  }
+
+  function logout() {
+    State.set('user', null);
+    localStorage.removeItem('meridian:session');
+    location.reload();
+  }
+
+  function init() {
+    const session = localStorage.getItem('meridian:session');
+    if (session) {
+      const trimmed = session.trim();
+      if (trimmed) {
+        const initials = trimmed.slice(0, 2).toUpperCase();
+        State.set('user', { name: trimmed, initials });
+        const loginEl = document.getElementById('login');
+        if (loginEl) loginEl.classList.add('hidden');
+        const desktop = document.getElementById('desktop');
+        if (desktop) {
+          desktop.classList.remove('hidden');
+          desktop.hidden = false;
+        }
+        return;
+      }
+    }
+    // Wire login form
+    const btn = document.getElementById('login-btn');
+    const input = document.getElementById('login-input');
+    const submit = () => { if (input && input.value.trim()) login(input.value); };
+    if (btn) btn.addEventListener('click', submit);
+    if (input) {
+      input.addEventListener('keydown', (e) => {
+        if (e.key === 'Enter') { e.preventDefault(); submit(); }
+      });
+      setTimeout(() => input.focus(), 50);
+    }
+    // Live clock on login screen
+    const loginTime = document.getElementById('login-time');
+    if (loginTime) {
+      const tick = () => {
+        const d = new Date();
+        const hh = String(d.getHours()).padStart(2, '0');
+        const mm = String(d.getMinutes()).padStart(2, '0');
+        loginTime.textContent = `${hh}:${mm}`;
+      };
+      tick();
+      setInterval(tick, 1000 * 30);
+    }
+  }
+
+  return { login, logout, init };
+})();
+
+export default Auth;
+export { Auth };