package git

import "strings"

// ParseAGitRef extracts target and source branch from an AGit push ref.
// AGit refs follow the pattern: refs/for/<target>[/<source>]
// Returns ("", "", false) if the ref is not an AGit ref.
func ParseAGitRef(ref string) (target, source string, ok bool) {
	const prefix = "refs/for/"
	if !strings.HasPrefix(ref, prefix) {
		return "", "", false
	}
	rest := strings.TrimPrefix(ref, prefix)
	parts := strings.SplitN(rest, "/", 2)
	target = parts[0]
	if len(parts) == 2 {
		source = parts[1]
	} else {
		source = target
	}
	return target, source, true
}