refactor: migrate authentication to NextAuth and clean up related services

auth.ts

@@ -0,0 +1,69 @@
+import NextAuth from "next-auth";
+import Credentials from "next-auth/providers/credentials";
+
+export const { handlers, signIn, signOut, auth } = NextAuth({
+  providers: [
+    Credentials({
+      credentials: {
+        email: { label: "Email", type: "email" },
+        password: { label: "Password", type: "password" },
+      },
+      async authorize(credentials) {
+        if (!credentials?.email || !credentials?.password) {
+          return null;
+        }
+
+        // Import dynamique pour éviter l'erreur Edge Runtime dans le middleware
+        const { userService } = await import("@/services/user-service");
+
+        const user = await userService.verifyCredentials(
+          credentials.email as string,
+          credentials.password as string
+        );
+
+        if (!user) {
+          return null;
+        }
+
+        // Retourner l'utilisateur au format attendu par NextAuth
+        return {
+          id: user.uuid_id,
+          email: user.email,
+          name: `${user.first_name} ${user.last_name}`,
+          firstName: user.first_name,
+          lastName: user.last_name,
+          teamId: user.team_id,
+        };
+      },
+    }),
+  ],
+  pages: {
+    signIn: "/login",
+  },
+  session: {
+    strategy: "jwt",
+  },
+  callbacks: {
+    async jwt({ token, user }) {
+      // Lors de la première connexion, ajouter les infos custom au token
+      if (user) {
+        token.id = user.id;
+        token.teamId = (user as any).teamId;
+        token.firstName = (user as any).firstName;
+        token.lastName = (user as any).lastName;
+      }
+      return token;
+    },
+    async session({ session, token }) {
+      // Ajouter les infos du token à la session
+      if (token && session.user) {
+        session.user.id = token.id as string;
+        session.user.teamId = token.teamId as string;
+        session.user.firstName = token.firstName as string;
+        session.user.lastName = token.lastName as string;
+      }
+      return session;
+    },
+  },
+});
+