import type { Route } from './+types'

import type { User } from '@repo/auth/auth'
import { userContext, cloudflareContext } from '@repo/auth/context'

export const loader = proxy
export const action = proxy

async function proxy({
  request,
  context
}: Route.ActionArgs): Promise<Response> {
  const pathname = new URL(request.url).pathname.replace(/^\/api\//, '')
  const cloudflare = context.get(cloudflareContext)
  const user = context.get(userContext)!
  const url = new URL(pathname, cloudflare.env.API_URL)
  const headers = new Headers(request.headers)

  headers.set('Authorization', `Bearer ${user.accessToken}`)

  const r = await fetch(url.toString(), {
    method: request.method,
    headers,
    ...(['GET', 'HEAD'].includes(request.method)
      ? {}
      : { body: await request.text() })
  })

  const contentType = r.headers.get('content-type') || ''
  const body =
    contentType.includes('application/json') || contentType.startsWith('text/')
      ? await r.text()
      : await r.arrayBuffer()

  return new Response(body, {
    status: r.status,
    headers: r.headers
  })
}