package network

import (
	"sort"

	"github.com/containernetworking/cni/libcni"
)

// LoadCNIConfsFromDir loads all the CNI configurations from a dir
func LoadCNIConfsFromDir(dir string) ([]*libcni.NetworkConfigList, error) {
	var configs []*libcni.NetworkConfigList
	files, err := libcni.ConfFiles(dir, []string{".conflist"})
	if err != nil {
		return nil, err
	}
	sort.Strings(files)

	for _, confFile := range files {
		conf, err := libcni.ConfListFromFile(confFile)
		if err != nil {
			return nil, err
		}
		configs = append(configs, conf)
	}
	return configs, nil
}