package main

import (
	"sort"
)

func GetLastFiles(files []*TreeFile) []*TreeFile {
	sortingFiles := make(map[string]*TreeFile)
	for _, f := range files {
		sortingFiles[f.Created+f.Id] = f
	}

	keys := make([]string, 0, len(sortingFiles))
	for k := range sortingFiles {
		keys = append(keys, k)
	}
	sort.Strings(keys)
	sort.Reverse(sort.StringSlice(keys))

	length := 10
	if len(keys) < 10 {
		length = len(keys)
	}
	lastFiles := make([]*TreeFile, 0, length)
	for i, k := range keys {
		if i == length {
			break
		}

		lastFiles = append(lastFiles, sortingFiles[k])
	}

	return lastFiles
}