package rest

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

	"goAuth/internal/auth"
	"goAuth/internal/invite"
	"goAuth/internal/jitsi"
	"goAuth/internal/user"
)

func statusFor(err error) int {
	switch {
	case errors.Is(err, user.ErrNotFound),
		errors.Is(err, auth.ErrNotFound),
		errors.Is(err, invite.ErrNotFound),
		errors.Is(err, jitsi.ErrNotFound):
		return http.StatusNotFound
	case errors.Is(err, user.ErrInvalidPassword):
		return http.StatusUnauthorized
	case errors.Is(err, invite.ErrInvalid),
		errors.Is(err, user.ErrUnsupportedFormat),
		errors.Is(err, user.ErrExceedDimensions):
		return http.StatusBadRequest
	case errors.Is(err, auth.ErrCanceled):
		return http.StatusRequestTimeout
	default:
		return http.StatusInternalServerError
	}
}

func (h *Handler) fail(w http.ResponseWriter, err error) {
	status := statusFor(err)
	if status == http.StatusInternalServerError {
		slog.Error("request failed", slog.String("op", "rest.fail"), slog.Any("error", err))
		writeError(w, status, "internal server error")
		return
	}
	writeError(w, status, err.Error())
}