package middleware

import (
	"database/sql"
	"fmt"
	"net/http"
	"strconv"

	"github.com/labstack/echo/v4"

	"git.grosinger.net/tgrosinger/saasitone/pkg/context"
	"git.grosinger.net/tgrosinger/saasitone/pkg/services"
)

// LoadUser loads the user based on the ID provided as a path parameter
func LoadUser(db *services.DBClient) echo.MiddlewareFunc {
	return func(next echo.HandlerFunc) echo.HandlerFunc {
		return func(c echo.Context) error {
			userID, err := strconv.Atoi(c.Param("user"))
			if err != nil {
				return echo.NewHTTPError(http.StatusNotFound)
			}

			u, err := db.C.GetUserByID(c.Request().Context(), userID)
			if err == nil {
				c.Set(context.UserKey, &u)
				return next(c)
			}

			if err == sql.ErrNoRows {
				return echo.NewHTTPError(http.StatusNotFound)
			}

			return echo.NewHTTPError(
				http.StatusInternalServerError,
				fmt.Sprintf("error querying user: %v", err),
			)
		}
	}
}