package meteo

import (
	"log/slog"
	"net/http"
	"pkg"
	"serviceb/internal/app"
)

type Handler struct {
	pkg.BaseHandler
	s *Service
}

func NewHandler(service *Service) *Handler {
	return &Handler{
		s: service,
	}
}

func (h *Handler) GetMeteoData(w http.ResponseWriter, r *http.Request) {
	locationValue := r.PathValue("city")
	queryParams := r.URL.Query()

	params := GetMeteoData{
		Location: locationValue,
		Date:     queryParams.Get("date"),
		Days:     h.ParamToInt(queryParams.Get("days"), 5),
		Unit:     Unit(queryParams.Get("unit")),
		Agg:      Agg(queryParams.Get("agg")),
	}

	if err := params.Validate(); err != nil {
		slog.Error("error validating struct", "error", err)
		h.ToJSON(w, http.StatusBadRequest, app.H{"error": err.Error()})
		return
	}

	data, err := h.s.GetWeatherByCity(r.Context(), params)
	if err != nil {
		slog.Error("error", "err", err)
		h.ToJSON(w, http.StatusInternalServerError, app.H{"error": err})
		return
	}

	slog.Info("data retrieved", "location", params.Location)
	h.ToJSON(w, http.StatusOK, data)
}