// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
// All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package util

import (
	"github.com/ClusterCockpit/cc-backend/pkg/schema"
	"golang.org/x/exp/constraints"
)

func Min[T constraints.Ordered](a, b T) T {
	if a < b {
		return a
	}
	return b
}

func Max[T constraints.Ordered](a, b T) T {
	if a > b {
		return a
	}
	return b
}

func LoadJobStat(job *schema.JobMeta, metric string) float64 {
	if stats, ok := job.Statistics[metric]; ok {
		if metric == "mem_used" {
			return stats.Max
		} else {
			return stats.Avg
		}
	}

	return 0.0
}