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src/views/InstructorView.js

@@ -482,26 +482,35 @@ export function setupInstructorEvents() {
     import("../services/firebase.js").then(async ({ auth }) => {
         // Handle Redirect Result first
         try {
+            console.log("Initializing Auth Check...");
             const { handleRedirectResult } = await import("../services/auth.js");
-            await handleRedirectResult();
+            const redirectUser = await handleRedirectResult();
+            if (redirectUser) console.log("Redirect User Found:", redirectUser.email);
         } catch (e) { console.warn("Redirect check failed", e); }
 
         auth.onAuthStateChanged(async (user) => {
-            console.log("Auth State Changed:", user ? user.email : "Logged Out");
+            console.log("Auth State Changed to:", user ? user.email : "Logged Out");
             if (user) {
                 try {
+                    console.log("Checking permissions for:", user.email);
                     const instructorData = await checkInstructorPermission(user);
+                    console.log("Permission Result:", instructorData);
+
                     if (instructorData) {
+                        console.log("Hiding Modal and Setting Permissions...");
                         authModal.classList.add('hidden');
                         checkPermissions(instructorData);
                     } else {
                         console.warn("User logged in but not an instructor.");
-                        // Optional: Show unauthorized message on UI
-                        // authErrorMsg.textContent = "此帳號無講師權限";
-                        // authErrorMsg.classList.remove('hidden');
+                        // Show unauthorized message
+                        authErrorMsg.textContent = "此帳號無講師權限";
+                        authErrorMsg.classList.remove('hidden');
+                        authModal.classList.remove('hidden'); // Ensure modal stays up
                     }
                 } catch (e) {
                     console.error("Permission Check Failed:", e);
+                    authErrorMsg.textContent = "權限檢查失敗: " + e.message;
+                    authErrorMsg.classList.remove('hidden');
                 }
             } else {
                 authModal.classList.remove('hidden');