auth.ts

import NextAuth from "next-auth"
import GitHub from "next-auth/providers/github"
import { client } from "./sanity/lib/client"
import { AUTHOR_BY_GITHUB_ID_QUERY } from "./sanity/lib/queries"
import { writeClient } from "./sanity/lib/write-client"

 
export const { handlers, auth, signIn, signOut } = NextAuth({
  providers: [GitHub],


  callbacks:{
    async signIn({user:{name,email,image},
      profile:{id,login,bio}
    }){
      const existingUser = await client.withConfig({useCdn:false}).fetch(AUTHOR_BY_GITHUB_ID_QUERY,{
        id,
    });
    if(!existingUser){
      await writeClient.create({
        _type:"author",
        id,
        name,
        username:login,
        email,
        image,
        bio:bio || '',

      })
    }
    return true;

    },



async jwt({token,account,profile}){
  if(account && profile){
    const user = await client.withConfig({useCdn:false}).fetch(AUTHOR_BY_GITHUB_ID_QUERY, {
      id:profile?.id,
    });
    token.id = user?.id;
  }

  return token;
},

async session(
  {session,token}
){
  Object.assign(session,{id:token.id});
  return session
}

  },
});