package gitpb

// runs git, parses output
// types faster than you can

import (
	"sort"
	"time"
)

func (all *GitTags) SortByAge() *GitTagIterator {
	packs := all.selectAllGitTag()

	sort.Sort(GitTagAge(packs))

	iterator := NewGitTagIterator(packs)
	return iterator
}

type GitTagAge []*GitTag

func (a GitTagAge) Len() int { return len(a) }

// sorts in ? order
func (a GitTagAge) Less(i, j int) bool {
	if time.Since(a[i].Authordate.AsTime()) < time.Since(a[j].Authordate.AsTime()) {
		return true
	}
	return false
}
func (a GitTagAge) Swap(i, j int) { a[i], a[j] = a[j], a[i] }