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src/views/InstructorView.js

@@ -376,6 +376,49 @@ export async function renderInstructorView() {
 export function setupInstructorEvents() {
     console.log("Starting setupInstructorEvents...");
 
+    // Login Logic
+    const loginBtn = document.getElementById('login-btn');
+    const registerBtn = document.getElementById('register-btn');
+    const emailInput = document.getElementById('login-email');
+    const passwordInput = document.getElementById('login-password');
+    const authErrorMsg = document.getElementById('auth-error');
+
+    if (loginBtn) {
+        loginBtn.addEventListener('click', async () => {
+            const email = emailInput.value.trim();
+            const password = passwordInput.value.trim();
+            if (!email || !password) return alert("請輸入帳號與密碼");
+
+            try {
+                // Determine if this is a login or register flow? 
+                // Wait, register btn is separate.
+                await loginWithEmail(email, password);
+                // Auth Observer will handle the rest
+            } catch (e) {
+                console.error("Login Error:", e);
+                authErrorMsg.textContent = "登入失敗: " + e.message;
+                authErrorMsg.classList.remove('hidden');
+            }
+        });
+    }
+
+    if (registerBtn) {
+        registerBtn.addEventListener('click', async () => {
+            const email = emailInput.value.trim();
+            const password = passwordInput.value.trim();
+            if (!email || !password) return alert("請輸入帳號與密碼");
+
+            try {
+                await registerWithEmail(email, password);
+                alert("註冊成功，請登入");
+            } catch (e) {
+                console.error("Register Error:", e);
+                authErrorMsg.textContent = "註冊失敗: " + e.message;
+                authErrorMsg.classList.remove('hidden');
+            }
+        });
+    }
+
     // --- Instructor Management Helper ---
     async function loadInstructorList() {
         const tbody = document.getElementById('instructor-list-body');