// Copyright (C) 2023  Shanhu Tech Inc.
//
// This program is free software: you can redistribute it and/or modify it
// under the terms of the GNU Affero General Public License as published by the
// Free Software Foundation, either version 3 of the License, or (at your
// option) any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License
// for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

package dock

import (
	"path"
	"strings"
)

// ParseImageTag parses "image:tag" into ("image", "tag").
func ParseImageTag(s string) (image, tag string) {
	base := path.Base(s)
	colon := strings.LastIndex(base, ":")
	if colon < 0 {
		return s, ""
	}

	t := base[colon+1:]
	img := strings.TrimSuffix(s, base[colon:])
	return img, t
}
