package gitpb

import (
	"sort"
	"time"
)

/*
// todo: probably switch to using slices. new things added in 1.23
// https://pkg.go.dev/slices

func (all *GitTags) newSort() *GitTagIterator {
	slices.SortFunc(all.GitTags, func(a, b *GitTag) int {
		if n := strings.Compare(a.Name, b.Name); n != 0 {
			return n
		}
		// If names are equal, order by age
		return cmp.Compare(a.Age, b.Age)
	})
}
*/

// all this code below is junk and seamingly wrong

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] }

func (repo *Repo) NewestAge() time.Duration {
	return time.Since(repo.Times.NewestCommit.AsTime())
	/*
		all := repo.Tags.SortByAge()
		for all.Scan() {
			r := all.Next()
			return time.Since(r.GetAuthordate().AsTime())
		}
		return time.Since(time.Now())
	*/
}