import type { APIRoute } from 'astro'
import { getOAuthClient } from '../../lib/context'

export const POST: APIRoute = async ({ request, cookies, redirect }) => {
  try {
    const oauthClient = getOAuthClient(cookies)
    const formData = await request.formData()
    const handle = formData.get('handle')

    if (!handle || typeof handle !== 'string') {
      return new Response('Invalid handle', { status: 400 })
    }

    const url = await oauthClient.authorize(handle, {
      scope: 'atproto transition:generic',
    })

    return redirect(url.toString())
  } catch (err) {
    console.error('OAuth authorize failed:', err)
    const error = err instanceof Error ? err.message : 'unexpected error'
    return new Response(`Login failed: ${error}`, { status: 500 })
  }
}