package api

import "net/http"

// readiness reports listener readiness, not upstream connectivity or authentication.
func (s *Server) readiness(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Cache-Control", "no-store")
	s.ops.Lock()
	defer s.ops.Unlock()
	proxies, err := s.store.List()
	ready := err == nil
	bound := 0
	for _, p := range proxies {
		if !p.HasDestination() {
			continue
		}
		bound++
		if !s.manager.Status(p.ID).Running {
			ready = false
		}
	}
	if !ready || bound == 0 {
		respond(w, http.StatusServiceUnavailable, map[string]string{"status": "not_ready"})
		return
	}
	respond(w, http.StatusOK, map[string]string{"status": "ready"})
}