// Copyright (C) 2024  Umorpha Systems
// SPDX-License-Identifier: AGPL-3.0-or-later

package common

import (
	"encoding"
	"os"
	"time"

	"sigs.k8s.io/yaml"
)

func LoadYAML[T any](filename string) (T, error) {
	bs, err := os.ReadFile(filename)
	if err != nil {
		var zero T
		return zero, err
	}

	var ret T
	if err := yaml.UnmarshalStrict(bs, &ret); err != nil {
		var zero T
		return zero, err
	}

	return ret, nil
}

type Duration struct {
	time.Duration
}

var _ encoding.TextUnmarshaler = (*Duration)(nil)

// UnmarshalText implements [encoding.TextUnmarshaler].
func (d *Duration) UnmarshalText(text []byte) error {
	var err error
	d.Duration, err = time.ParseDuration(string(text))
	return err
}