import { NextRequest } from 'next/server'
import { getCurrentUser } from '@/lib/session'
import { readRunLog, WorkerLogError } from '@/lib/worker-logs'
import { parseRunLog } from '@/lib/parse-worker-log'

export const dynamic = 'force-dynamic'

// GET /api/worker-logs/<file>.log — full parsed timeline for one run-log.
export async function GET(
  _request: NextRequest,
  { params }: { params: Promise<{ name: string }> },
) {
  const user = await getCurrentUser()
  if (!user) {
    return Response.json({ error: 'unauthorized' }, { status: 401 })
  }

  const { name: rawName } = await params
  const name = decodeURIComponent(rawName)

  try {
    const raw = await readRunLog(name)
    return Response.json(parseRunLog(raw, name))
  } catch (err) {
    if (err instanceof WorkerLogError) {
      const status = err.code === 'invalid' ? 400 : err.code === 'not-found' ? 404 : 500
      return Response.json({ error: err.message }, { status })
    }
    const message = err instanceof Error ? err.message : 'failed to read worker log'
    return Response.json({ error: message }, { status: 500 })
  }
}