package system_check

import (
	"fmt"
	"runtime"
)

type MemoryInformation struct {
	/*
	 * The total amount of memory the system has available
	 */
	SystemMemory uint64
	/*
	 * How much memory is currently unused
	 */
	AvailableMemory uint64
}

func (memInfo MemoryInformation) GetUsedMemory() uint64 {
	return memInfo.SystemMemory - memInfo.AvailableMemory
}

func GetRamInformation() (MemoryInformation, error) {
	switch runtime.GOOS {
	case "windows":
		return getWinRamInfo(getWindowsTools().ProcGlobalMemoryStatusEx), nil
	case "linux":
		return getLinuxRamInfo()
	default:
		return MemoryInformation{}, fmt.Errorf("Unsupported OS: \"%s\"", runtime.GOOS)
	}
}