gistfile1.txt

extern crate datetime;

use std::env::args;
use std::{thread, time};
use std::process::Command;
use datetime::{LocalDate, Month, DatePiece};

const MINUTE: u64= 60;

fn main() {
    let args: Vec<String>  = args().collect();


    
    if (args.len() == 2)
    {
      let name = &args[0];
      let time_to_sleep_arg = &args[1].clone();
      // This create some odd situation. you'll be hit with a Result<T,E> document.
      // not quite sure how to handle this. Seems like a struct with the std::String:Result 
      // The main question is, how to get this right? 
      // With Beni:
      // unwrap() would be possible 

      // The error is i use collect and trigger some nosense. 
      let time_to_sleep_arg2 = &args[1];

      println!("Going to sleep for: {} seconds at .", time_to_sleep_arg);

      let time_to_sleep  :u64 = match time_to_sleep_arg.trim().parse() {
        Ok(v)  => v,
        Err(_) => {panic!("Sorry we need to have number only")},
      };
    
        let mut remaining_time = time_to_sleep;
        let mut time_as_minutes  = 0;
 
        while (remaining_time >= MINUTE){
          remaining_time = remaining_time - MINUTE;
          time_as_minutes = time_as_minutes + 1;

        }
        println!("More than 1 Minute!");
        println!("Going to sleep for {} Minutes!", time_as_minutes);
     
       let mut minutes_remaining = 0;
        while(minutes_remaining != time_as_minutes)
        {
          minutes_remaining = minutes_remaining + 1;
          let second = time::Duration::from_secs(60);
          thread::sleep(second);
          println!("Going to sleep for {} more Minutes", time_as_minutes - minutes_remaining );
        }
        // sleep the remaining time
        let remaining_second = time::Duration::from_secs(remaining_time);
        thread::sleep(remaining_second);

        Command::new("/usr/bin/notify-send")
                .args(&["-u", "normal", "-t", "15000", "StopClock", "Times up!"]) 
                .output();

        // https://doc.rust-lang.org/std/process/struct.Command.html
        Command::new("/usr/bin/mplayer")
                 .args(&["-volume","50", "/home/akendo/Downloads/end.mp3"])
                 .output();
       
    } 
    else 
    {
      println!("Please add only one  argument!");
    }
}