package mrktplaats

import (
	"errors"
	"fmt"
)

// APIError is returned when the API responds with a non-2xx status code.
type APIError struct {
	StatusCode int
	Body       []byte
}

func (e *APIError) Error() string {
	return fmt.Sprintf("mrktplaats: API error %d: %s", e.StatusCode, string(e.Body))
}

// IsNotFound reports whether err is an API 404 response.
func IsNotFound(err error) bool {
	var apiErr *APIError
	return errors.As(err, &apiErr) && apiErr.StatusCode == 404
}

// IsUnauthorized reports whether err is an API 401 response.
func IsUnauthorized(err error) bool {
	var apiErr *APIError
	return errors.As(err, &apiErr) && apiErr.StatusCode == 401
}