package files

import (
	"errors"
	"gis/app"
	"gis/server/httputil"
	"net/http"

	"github.com/jackc/pgx/v5"
)

func getFileRoute(application *app.App) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		id := r.PathValue("file_id")

		var gf GeoFile
		err := application.Db.QueryRow(r.Context(),
			`SELECT id, filename, file_type, validation_status,
			        validation_error, kato_column, crs, feature_count,
			        uploaded_at, updated_at
			 FROM files WHERE id=$1`,
			id,
		).Scan(
			&gf.ID, &gf.Filename, &gf.FileType, &gf.ValidationStatus,
			&gf.ValidationError, &gf.KatoColumn, &gf.CRS, &gf.FeatureCount,
			&gf.UploadedAt, &gf.UpdatedAt,
		)
		if errors.Is(err, pgx.ErrNoRows) {
			httputil.WriteJSON(w, http.StatusNotFound, map[string]string{"error": "not found"})
			return
		}
		if err != nil {
			w.WriteHeader(http.StatusInternalServerError)
			return
		}

		httputil.WriteJSON(w, http.StatusOK, gf)
	}
}