import type { RouteFlightsResponse, PassengersCount, Trip } from '~/server/utils/flightics'

export function useRouteFlights() {
  const trips = ref<Trip[]>([])
  const loading = ref(false)
  const error = ref<string | null>(null)

  async function fetchRouteFlights(from: string, to: string, passengers?: PassengersCount) {
    loading.value = true
    error.value = null
    trips.value = []
    try {
      const data = await $fetch<RouteFlightsResponse>('/api/route-flights', {
        method: 'POST',
        body: { from, to, locale: 'en', passengersCount: passengers }
      })
      trips.value = data.returnResults?.flatMap(r => r.trips) || []
    } catch (e: any) {
      error.value = e?.data?.message || e?.message || 'Error loading route flights'
    } finally {
      loading.value = false
    }
  }

  return { trips, loading, error, fetchRouteFlights }
}