Update page.tsx

app/auth/login/page.tsx

@@ -1,7 +1,7 @@
 "use client";
 import { fetchData } from "@/lib/data-service";
 
-import { useState } from "react";
+import { useState, useEffect } from "react";
 import { useRouter } from "next/navigation";
 import Image from "next/image";
 import Link from "next/link";
@@ -15,10 +15,26 @@ export default function LoginPage() {
   const [username, setUsername] = useState(""); 
   const [password, setPassword] = useState("");
   const [isLoading, setIsLoading] = useState(false);
+  const [isRedirecting, setIsRedirecting] = useState(false);
   const router = useRouter();
 
+  // Check if already logged in
+  useEffect(() => {
+    const authToken = document.cookie
+      .split("; ")
+      .find((row) => row.startsWith("Authorization="))
+      ?.split("=")[1];
+      
+    if (authToken) {
+      router.push("/dashboard");
+    }
+  }, [router]);
+
   async function handleLogin(e: React.FormEvent) {
     e.preventDefault();
+    
+    if (isLoading || isRedirecting) return;
+    
     setIsLoading(true);
 
     try {
@@ -26,20 +42,35 @@ export default function LoginPage() {
         method: "POST",
         headers: { "Content-Type": "application/json" },
         body: JSON.stringify({ username, password }),
+        credentials: "include",
       });
       
       const data = await response.json();
       
-      if(data.token) {
-        toast.success("Login successful, if you are not redirected change /auth/login to /dashboard");
-        document.cookie = `Authorization=${data.token}; path=/; Secure; SameSite=Strict; max-age=604800`;
-        router.push("/dashboard");
-      }
-
       if (response.ok && data.token) {
+        // Set redirecting state to prevent multiple redirect attempts
+        setIsRedirecting(true);
+        
+        // Store the token in both cookie and localStorage for redundancy
         document.cookie = `Authorization=${data.token}; path=/; Secure; SameSite=Strict; max-age=604800`;
+        localStorage.setItem("Authorization", data.token);
+        
+        // Show toast before redirect
+        toast.success("Login successful");
+        
+        // Use a small timeout to ensure the cookie is set before navigation
+        setTimeout(() => {
+          try {
             router.push("/dashboard");
-        toast.success("Login successful, if you are not redirected change /auth/login to /dashboard");
+            // Force a hard redirect if router.push doesn't work
+            setTimeout(() => {
+              window.location.href = "/dashboard";
+            }, 1000);
+          } catch (navError) {
+            console.error("Navigation error:", navError);
+            window.location.href = "/dashboard";
+          }
+        }, 300);
       } else {
         // Handle HTTP error responses (including 401)
         const errorMessage = data.error || "Invalid credentials";
@@ -52,11 +83,27 @@ export default function LoginPage() {
       toast.error("Connection Error", {
         description: "Unable to connect to the server. Please check your internet connection and try again.",
       });
+      console.error("Login error:", error);
     } finally {
       setIsLoading(false);
     }
   }
 
+  // If already redirecting, show loading state
+  if (isRedirecting) {
+    return (
+      <div className="flex items-center justify-center min-h-screen bg-gray-100 dark:bg-[#0F0F12]">
+        <div className="w-full max-w-md p-8 space-y-8 bg-white dark:bg-[#1F1F23] rounded-xl shadow-lg text-center">
+          <h2 className="mt-6 text-3xl font-bold text-gray-900 dark:text-white">Logging in</h2>
+          <p className="mt-2 text-sm text-gray-600 dark:text-gray-400">Redirecting to dashboard...</p>
+          <div className="mt-6 flex justify-center">
+            <div className="animate-spin rounded-full h-12 w-12 border-b-2 border-primary"></div>
+          </div>
+        </div>
+      </div>
+    );
+  }
+
   return (
     <div className="flex items-center justify-center min-h-screen bg-gray-100 dark:bg-[#0F0F12]">
       <div className="w-full max-w-md p-8 space-y-8 bg-white dark:bg-[#1F1F23] rounded-xl shadow-lg">
@@ -95,7 +142,7 @@ export default function LoginPage() {
             </div>
           </div>
 
-          <Button type="submit" className="w-full" disabled={isLoading}>
+          <Button type="submit" className="w-full" disabled={isLoading || isRedirecting}>
             {isLoading ? "Signing in..." : "Sign in"}
           </Button>
         </form>