package wages

import (
	"encoding/json"
	"errors"
	"net/http"

	"github.com/go-chi/chi/v5"

	"github.com/missionworkforce/missionmatch/internal/platform/security"
)

// Handler serves the cached wage baseline read API.
type Handler struct{ svc *Service }

func NewHandler(svc *Service) *Handler { return &Handler{svc: svc} }

// Routes mounts the wages endpoint under the /api group.
// Routes mounts the cached wage baseline. Gated for the reason set out on the opportunity routes.
func (h *Handler) Routes(r chi.Router) {
	r.With(security.RequireCapability(security.CapCandidateRead)).Get("/wages", h.baseline)
}

func (h *Handler) baseline(w http.ResponseWriter, r *http.Request) {
	items, err := h.svc.Baseline(r.Context())
	w.Header().Set("Content-Type", "application/json")
	if err != nil {
		if errors.Is(err, ErrNoDatabase) {
			w.WriteHeader(http.StatusServiceUnavailable)
			_, _ = w.Write([]byte(`{"error":"database not configured"}`))
			return
		}
		w.WriteHeader(http.StatusInternalServerError)
		_, _ = w.Write([]byte(`{"error":"internal error"}`))
		return
	}
	_ = json.NewEncoder(w).Encode(items)
}