//go:build !windows

package logic

import (
	"math"
	"os"
	"syscall"

	"easygoadmin/api/v1"
)

// diskUsage 读取工作目录所在磁盘分区容量（Unix）
func diskUsage() []v1.ServerDiskInfo {
	wd, err := os.Getwd()
	if err != nil {
		return nil
	}
	var st syscall.Statfs_t
	if err = syscall.Statfs(wd, &st); err != nil {
		return nil
	}
	bs := float64(st.Bsize)
	total := float64(st.Blocks) * bs / 1073741824
	free := float64(st.Bavail) * bs / 1073741824
	usedPercent := 0.0
	if total > 0 {
		usedPercent = math.Round((total-free)/total*10000) / 100
	}
	return []v1.ServerDiskInfo{{
		Path:        wd,
		TotalGB:     math.Round(total*100) / 100,
		FreeGB:      math.Round(free*100) / 100,
		UsedPercent: usedPercent,
	}}
}