package httpapi

import (
	"net/http"

	"cloudipvalidator/internal/db"
)

func (s *Server) handleHealthz(w http.ResponseWriter, r *http.Request) {
	writeJSON(w, http.StatusOK, okResponse{OK: true})
}

func (s *Server) handleAdminStatus(w http.ResponseWriter, r *http.Request) {
	ips, err := s.DB.ListIPs(r.Context())
	if err != nil {
		writeError(w, http.StatusInternalServerError, err.Error())
		return
	}
	validators, err := s.DB.ListValidators(r.Context())
	if err != nil {
		writeError(w, http.StatusInternalServerError, err.Error())
		return
	}
	byState := map[string]int{}
	for _, ip := range ips {
		byState[ip.State]++
	}
	writeJSON(w, http.StatusOK, map[string]interface{}{
		"total_ips":        len(ips),
		"ips_by_state":     byState,
		"total_validators": len(validators),
	})
}

func (s *Server) handleAdminIPs(w http.ResponseWriter, r *http.Request) {
	ips, err := s.DB.ListIPs(r.Context())
	if err != nil {
		writeError(w, http.StatusInternalServerError, err.Error())
		return
	}
	writeJSON(w, http.StatusOK, ips)
}

func (s *Server) handleAdminIPDetail(w http.ResponseWriter, r *http.Request) {
	address := r.PathValue("ip")
	item, err := s.DB.GetIPByAddress(r.Context(), address)
	if err != nil {
		writeError(w, http.StatusNotFound, "unknown ip: "+address)
		return
	}
	checks, err := s.DB.ListChecksForAttempt(r.Context(), item.ID, item.AttemptNumber)
	if err != nil {
		writeError(w, http.StatusInternalServerError, err.Error())
		return
	}
	events, err := s.DB.ListEventsForIP(r.Context(), item.ID)
	if err != nil {
		writeError(w, http.StatusInternalServerError, err.Error())
		return
	}
	writeJSON(w, http.StatusOK, struct {
		IP     *db.IPQueueItem `json:"ip"`
		Checks []db.Check      `json:"checks"`
		Events []db.Event      `json:"events"`
	}{item, checks, events})
}

func (s *Server) handleAdminValidators(w http.ResponseWriter, r *http.Request) {
	validators, err := s.DB.ListValidators(r.Context())
	if err != nil {
		writeError(w, http.StatusInternalServerError, err.Error())
		return
	}
	writeJSON(w, http.StatusOK, validators)
}