package activitypub

import (
	"fmt"
	"strings"

	"git.mstar.dev/mstar/linstrom/config"
)

type InvalidFullHandleError struct {
	Raw string
}

func (i InvalidFullHandleError) Error() string {
	return "Invalid full handle"
}

func SplitFullHandle(full string) (string, string, error) {
	splits := strings.Split(strings.TrimPrefix(full, "@"), "@")
	if len(splits) != 2 {
		return "", "", InvalidFullHandleError{full}
	}
	return splits[0], splits[1], nil
}

func UserIdToApUrl(id string) string {
	return fmt.Sprintf(
		"%s/api/activitypub/user/%s",
		config.GlobalConfig.General.GetFullPublicUrl(),
		id,
	)
}