import { NextResponse, type NextRequest } from 'next/server'
import { createServerClient, type CookieOptions } from '@supabase/ssr'

export async function proxy(request: NextRequest) {
  let supabaseResponse = NextResponse.next({
    request,
  })

  const supabase = createServerClient(
    process.env.NEXT_PUBLIC_SUPABASE_URL!,
    process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!,
    {
      cookies: {
        getAll() {
          return request.cookies.getAll()
        },
        setAll(cookiesToSet: { name: string; value: string; options?: CookieOptions }[]) {
          cookiesToSet.forEach(({ name, value }) => request.cookies.set(name, value))
          supabaseResponse = NextResponse.next({ request })
          cookiesToSet.forEach(({ name, value, options }) =>
            supabaseResponse.cookies.set(name, value, options)
          )
        },
      },
    }
  )

  const {
    data: { user },
  } = await supabase.auth.getUser()

  if (!user && request.nextUrl.pathname.startsWith('/dashboard')) {
    const url = request.nextUrl.clone()
    url.pathname = '/login'
    return NextResponse.redirect(url)
  }

  if (user && request.nextUrl.pathname === '/login') {
    const url = request.nextUrl.clone()
    url.pathname = '/dashboard'
    return NextResponse.redirect(url)
  }

  return supabaseResponse
}

export const config = {
  matcher: [
    '/((?!_next/static|_next/image|favicon.ico|.*\\.(?:svg|png|jpg|jpeg|gif|webp)$).*)',
  ],
}