add: using nextauth WIP

lib/authenticate.ts

@@ -0,0 +1,73 @@
+import Credentials from "next-auth/providers/credentials";
+import prisma from "./prisma";
+import { getServerSession, RequestInternal, type NextAuthOptions, User } from "next-auth";
+
+export async function authenticate(key: string) {
+    console.log("Running authenticate function with key: " + key);
+    const user = await prisma.users.findUnique({
+        select: {
+            id: true,
+            firstName: true,
+            lastName: true,
+            isTeacher: true
+        },
+        where: {
+            key: key
+        }
+    });
+
+    console.log("Found user: " + JSON.stringify(user));
+
+    if(!user) return null;
+
+    return user;
+}
+
+export const authOptions: NextAuthOptions = {
+    session: {
+      strategy: "jwt",
+    },
+    callbacks: {
+      async jwt({ token, user }) {
+        if (user) {
+          token.userId = user.id;
+          token.firstName = user.firstName;
+          token.lastName = user.lastName;
+          token.isTeacher = user.isTeacher;
+        }
+        return token;
+      },
+      async session({ session, token, user }) { 
+        session.user.id = token.userId;
+        session.user.firstName = token.firstName;
+        session.user.lastName = token.lastName;
+        session.user.isTeacher = token.isTeacher;
+        return session;
+      },
+    },
+    pages: {
+      signIn: '/',
+    },
+    providers: [
+      Credentials({
+        name: "Credentials",
+        credentials: {
+            key: { label: "Key", type: "password" }
+        },
+        async authorize(credentials: Record<"key", string> | undefined, req: Pick<RequestInternal, "body" | "query" | "headers" | "method">) {
+           const { key } = credentials as {
+            key: string
+           };
+           console.log("Running authorize function with key: " + key)
+
+           const user = await authenticate(key) as User | null
+
+           console.log("Found user in authorize: " + JSON.stringify(user));
+  
+          return user;
+        }
+      })
+    ],
+  };
+
+export const getAuthServerSession = () => getServerSession(authOptions);