import { NextRequest, NextResponse } from "next/server"
import { AuthError } from "next-auth"

import { badRequest } from "@/server/errors/next"

import { signOut } from "@/auth"

export async function GET(request: NextRequest) {
  const returnUrl = request.headers.get("x-returnurl")

  // If all else fails, always redirect to startpage
  const redirectTo =
    returnUrl ||
    request.headers.get("x-redirect-to") ||
    request.nextUrl.searchParams.get("redirectTo") ||
    request.headers.get("Referer") ||
    "/"

  try {
    /**
     * Passing `redirect: false` to `signOut` will return a result object
     * instead of automatically redirecting inside of `signOut`.
     * https://github.com/nextauthjs/next-auth/blob/3c035ec/packages/next-auth/src/lib/actions.ts#L104
     */
    const obj = await signOut({
      redirectTo,
      redirect: false,
    })

    if (obj) {
      return NextResponse.redirect(obj.redirect)
    }
  } catch (error) {
    if (error instanceof AuthError) {
      console.log({ signOutAuthError: error })
    } else {
      console.log({ signOutError: error })
    }
  }

  return badRequest()
}