first commit

Co-authored-by: Cursor <cursoragent@cursor.com>

src/auth.ts

@@ -0,0 +1,58 @@
+import NextAuth from "next-auth";
+import Credentials from "next-auth/providers/credentials";
+import bcrypt from "bcryptjs";
+import { z } from "zod";
+import { prisma } from "@/lib/prisma";
+
+const credentialsSchema = z.object({
+  email: z.string().email(),
+  password: z.string().min(1),
+});
+
+export const { handlers, auth, signIn, signOut } = NextAuth({
+  trustHost: true,
+  session: { strategy: "jwt", maxAge: 30 * 24 * 60 * 60 },
+  providers: [
+    Credentials({
+      name: "Credentials",
+      credentials: {
+        email: { label: "Email", type: "email" },
+        password: { label: "Password", type: "password" },
+      },
+      async authorize(raw) {
+        const parsed = credentialsSchema.safeParse(raw);
+        if (!parsed.success) return null;
+
+        const { email, password } = parsed.data;
+        const user = await prisma.user.findUnique({ where: { email } });
+        if (!user?.passwordHash) return null;
+
+        const ok = await bcrypt.compare(password, user.passwordHash);
+        if (!ok) return null;
+
+        return {
+          id: user.id,
+          email: user.email,
+          name: user.name ?? undefined,
+          role: user.role,
+        };
+      },
+    }),
+  ],
+  callbacks: {
+    jwt({ token, user }) {
+      if (user) {
+        token.id = user.id;
+        token.role = (user as { role: string }).role;
+      }
+      return token;
+    },
+    session({ session, token }) {
+      if (session.user) {
+        session.user.id = (token.id as string) ?? (token.sub as string);
+        session.user.role = (token.role as "USER" | "ADMIN") ?? "USER";
+      }
+      return session;
+    },
+  },
+});