import { serverSupabaseServiceRole } from '#supabase/server'

export default defineEventHandler(async (event) => {
  const body = await readBody(event)
  const poll = body._poll !== false
  delete body._poll

  const supabase = serverSupabaseServiceRole(event)
  const paramsHash = computeSearchHash(body)

  // Buscar en cache (TTL 1 hora)
  const { data: cached } = await supabase
    .from('search_cache')
    .select('trips, cheapest_price, total_results, fetched_at')
    .eq('params_hash', paramsHash)
    .gte('fetched_at', new Date(Date.now() - 60 * 60 * 1000).toISOString())
    .single()

  if (cached) {
    const trips = (cached.trips as any[]) || []
    return {
      trips,
      notComplete: false,
      contractVersion: 0,
      responseId: `cache-${paramsHash.slice(0, 8)}`
    }
  }

  // Sin cache — llamar a Flightics
  const result = poll
    ? await searchTripsComplete(body, 3)
    : await searchTrips(body)

  // Guardar en cache (upsert por params_hash)
  if (result.trips && result.trips.length > 0) {
    const prices = result.trips.map(t => t.totalCost).filter(p => p > 0)
    const cheapest = prices.length > 0 ? Math.min(...prices) : null

    await supabase
      .from('search_cache')
      .upsert({
        params_hash: paramsHash,
        search_params: body,
        trips: result.trips,
        cheapest_price: cheapest,
        total_results: result.trips.length,
        fetched_at: new Date().toISOString()
      }, { onConflict: 'params_hash' })
  }

  return result
})