// $TheSupernovaDuo: mima,v 2024.08.20 2023/08/20 09:53:10 yakumo_izuru Exp $
//
// Get current system information like neofetch(1) without fancy things.
package main

import (
	"fmt"
	"github.com/shirou/gopsutil/v3/host"
	"github.com/shirou/gopsutil/v3/mem"
	"log"
	"os"
	"runtime"
	_ "embed"
)

//go:embed mima_embed
var mima string

func main() {
	hostname, err := os.Hostname()
	uptime, _ := host.Uptime()
	v, _ := mem.VirtualMemory()

	days := uptime / (60 * 60 * 24)
	hours := (uptime - (days * 60 * 60 * 24)) / (60 * 60)
	minutes := ((uptime - (days * 60 * 60 * 24)) - (hours * 60 * 60)) / 60

	free_mem := v.Free / 1024 / 1024
	total_mem := v.Total / 1024 / 1024

	kernelversion, err := host.KernelVersion()

	if err != nil {
		log.Fatal(err)
	}

	fmt.Printf("%s\n", mima)
	fmt.Printf("%s @ %s\n", os.Getenv("USER"), hostname)
	fmt.Printf("\n")
	fmt.Printf("Editor:\t%s\n", os.Getenv("EDITOR"))
	fmt.Printf("System:\t%s\n", runtime.GOOS)
	fmt.Printf("Kernel:\t%s\n", kernelversion)
	fmt.Printf("Architecture:\t%s\n", runtime.GOARCH)
	fmt.Printf("RAM:\t%vM/%vM (%f%%)\n", free_mem, total_mem, v.UsedPercent)
	fmt.Printf("Shell:\t%s\n", os.Getenv("SHELL"))
	fmt.Printf("Uptime:\t%dd:%dh:%dm\n", days, hours, minutes)
}