package web

import (
	"log/slog"
	"net/http"
	"strconv"

	"github.com/martinlehoux/biking_home/ride"
)

func (s *Server) handleUpdateRideCategories(w http.ResponseWriter, r *http.Request) {
	id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
	if err != nil || id <= 0 {
		http.NotFound(w, r)
		return
	}
	item, found, err := ride.GetByID(s.db, id)
	if err != nil {
		slog.Error("Failed to load ride for category update", "ride_id", id, "error", err)
		http.Error(w, "failed to load ride", http.StatusInternalServerError)
		return
	}
	if !found {
		http.NotFound(w, r)
		return
	}
	_ = item
	if err := r.ParseForm(); err != nil {
		http.Error(w, "invalid form", http.StatusBadRequest)
		return
	}
	bikeType := ride.BikeType(r.FormValue("bike_type"))
	rideType := ride.RideType(r.FormValue("ride_type"))
	if !ride.IsValidBikeType(string(bikeType)) {
		http.Error(w, "invalid bike_type", http.StatusBadRequest)
		return
	}
	if !ride.IsValidRideType(string(rideType)) {
		http.Error(w, "invalid ride_type", http.StatusBadRequest)
		return
	}
	if err := ride.UpdateCategories(s.db, id, bikeType, rideType); err != nil {
		slog.Error("Failed to update ride categories", "ride_id", id, "error", err)
		http.Error(w, "failed to update categories", http.StatusInternalServerError)
		return
	}
	slog.Info("Updated ride categories", "ride_id", id, "bike_type", bikeType, "ride_type", rideType)
	http.Redirect(w, r, rideDetailURL(id)+"?categories=updated", http.StatusSeeOther)
}

func rideCategoriesUpdateURL(id int64) string {
	return rideDetailURL(id) + "/categories"
}

var bikeTypeOptions = []ride.BikeType{ride.BikeTypeRoad, ride.BikeTypeMTB}
var rideTypeOptions = []ride.RideType{ride.RideTypeTraining, ride.RideTypeIndoor, ride.RideTypeRace, ride.RideTypeTransport}

var bikeTypeLabels = map[ride.BikeType]string{
	ride.BikeTypeRoad: "Road",
	ride.BikeTypeMTB:  "MTB",
}

var rideTypeLabels = map[ride.RideType]string{
	ride.RideTypeTraining:  "Training",
	ride.RideTypeIndoor:    "Indoor",
	ride.RideTypeRace:      "Race",
	ride.RideTypeTransport: "Transport",
}

func formatCategoryOrEmpty(value string) string {
	if value == "" {
		return "—"
	}
	return value
}