import NextAuth from "next-auth";
import Credentials from "next-auth/providers/credentials";
import bcrypt from "bcryptjs";
import { prisma } from "@/lib/prisma";
import type { Role } from "@prisma/client";

declare module "next-auth" {
  interface User {
    id: string;
    email: string;
    nombre: string;
    apellido: string;
    role: Role;
    empresaId: string;
  }

  interface Session {
    user: {
      id: string;
      email: string;
      nombre: string;
      apellido: string;
      role: Role;
      empresaId: string;
    };
  }
}

declare module "@auth/core/jwt" {
  interface JWT {
    id: string;
    role: Role;
    empresaId: string;
    nombre: string;
    apellido: string;
  }
}

export const { handlers, auth, signIn, signOut } = NextAuth({
  providers: [
    Credentials({
      name: "credentials",
      credentials: {
        email: { label: "Email", type: "email" },
        password: { label: "Password", type: "password" },
      },
      async authorize(credentials) {
        if (!credentials?.email || !credentials?.password) {
          return null;
        }

        const user = await prisma.user.findUnique({
          where: { email: credentials.email as string },
          include: { empresa: true },
        });

        if (!user || !user.activo) {
          return null;
        }

        const passwordMatch = await bcrypt.compare(
          credentials.password as string,
          user.password
        );

        if (!passwordMatch) {
          return null;
        }

        return {
          id: user.id,
          email: user.email,
          nombre: user.nombre,
          apellido: user.apellido,
          role: user.role,
          empresaId: user.empresaId,
        };
      },
    }),
  ],
  callbacks: {
    async jwt({ token, user }) {
      if (user) {
        token.id = user.id;
        token.role = user.role;
        token.empresaId = user.empresaId;
        token.nombre = user.nombre;
        token.apellido = user.apellido;
      }
      return token;
    },
    async session({ session, token }) {
      if (token) {
        session.user.id = token.id as string;
        session.user.role = token.role;
        session.user.empresaId = token.empresaId;
        session.user.nombre = token.nombre;
        session.user.apellido = token.apellido;
      }
      return session;
    },
  },
  pages: {
    signIn: "/login",
    error: "/login",
  },
  session: {
    strategy: "jwt",
    maxAge: 24 * 60 * 60, // 24 hours
  },
});