Push all the changes to the main repository.

.codacy/codacy.yaml

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+runtimes:
+    - dart@3.7.2
+    - go@1.22.3
+    - java@17.0.10
+    - node@22.2.0
+    - python@3.11.11
+tools:
+    - dartanalyzer@3.7.2
+    - eslint@8.57.0
+    - lizard@1.17.31
+    - pmd@7.11.0
+    - pylint@3.3.6
+    - revive@1.7.0
+    - semgrep@1.78.0
+    - trivy@0.66.0

app/actions/auth/auth.ts

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+import {supabaseAdmin} from '@/lib/supabase-admin';
+import { cookies } from 'next/headers';
+import jwt from 'jsonwebtoken';
+
+export default async function auth(profile:any){
+    console.log(profile); 
+    //check if user already exists
+    const { data:existingUser, error:selectError} = await supabaseAdmin
+        .from('users')
+        .select('email')
+        .eq('email',profile.email)
+        .single();
+
+    if(selectError && selectError.code !== 'PGRST116'){
+        console.error('DB Select error:', selectError);
+        return { error: 'Database error', status: 500};
+    }
+
+    if(existingUser){
+      return {status: 'ok',user:existingUser};
+    }
+
+    const dep:string = profile.email.split('@')[1].split('.')[0];
+    const match = profile.email.match(/_?b(\d+)@/);
+    let year = match ? parseInt(match[1], 10) + 2000 : null;
+
+    // Insert Entry into tabble
+    const {data:newUser,error:insertError} = await supabaseAdmin
+        .from('users')
+        .insert({
+            email:profile.email,
+            name:profile.name,
+            picture:profile.picture,
+            branch:dep,
+            year:year,
+            created_at:new Date().toISOString(),
+        })
+        .select('uid,name,email,picture,created_at,branch,year,created_at')
+        .single();
+
+    if (insertError) {
+      console.error('Insert error:', insertError);
+      return {
+        error: 'Failed to create user',
+        status: 500
+      };
+    }
+    const token = jwt.sign(
+      { userId: newUser.uid, email: newUser.email,name: newUser.name },
+      process.env.JWT_SECRET!,
+      { expiresIn: '7d' }
+    );
+
+    const cookieStore = await cookies();
+    cookieStore.set('token', token, {
+      httpOnly: false,
+      secure: process.env.NODE_ENV === 'production',
+      sameSite: 'strict',
+      maxAge: 60 * 60 * 24 * 7 // 7 days
+    });
+    return {status: 'ok',user:newUser};
+}