package main

import (
	"fmt"
	"os"
	"strconv"
)

const (
	secondsPerHour = 3600
)

func main() {
	if len(os.Args) <= 1 {
		fmt.Println("Please provide a value")
		os.Exit(1)
	}

	uptime, _ := strconv.ParseFloat(os.Args[1], 64)
	switch {
	case uptime <= 0:
		uptime = 0
	case uptime >= 100:
		uptime = 100
	}

	allowedDowntime := (((100 * 100) - (uptime * 100)) / (100 * 100))

	dailySeconds := secondsPerHour * 24 * allowedDowntime
	weekSeconds := dailySeconds * 7
	monthSeconds := dailySeconds * 30
	quarterSeconds := dailySeconds * 90
	yearSeconds := dailySeconds * 365

	fmt.Printf("daily    : %s\n", secondsToHumanTime(int(dailySeconds)))
	fmt.Printf("weekly   : %s\n", secondsToHumanTime(int(weekSeconds)))
	fmt.Printf("monthly  : %s\n", secondsToHumanTime(int(monthSeconds)))
	fmt.Printf("quarterly: %s\n", secondsToHumanTime(int(quarterSeconds)))
	fmt.Printf("yearly   : %s\n", secondsToHumanTime(int(yearSeconds)))
}

// secondsToHumanTime converts seconds to human readable time
func secondsToHumanTime(seconds int) string {
	days := seconds / 86400
	seconds = seconds % 86400
	hours := seconds / 3600
	seconds = seconds % 3600
	minutes := seconds / 60
	seconds = seconds % 60
	return fmt.Sprintf("%d days, %d hours, %d minutes, %d seconds", days, hours, minutes, seconds)
}