use std::env::var;
use std::fs::File;
use std::io::Read;

use tfetch::Os;

pub fn main() {

    let mut hostname = String::new();
    let mut hostname_file = File::open("/etc/hostname").unwrap();
    hostname_file.read_to_string(&mut hostname).unwrap();

    let username = format!("\x1B[36;1m{}\x1B[0m@\x1B[36;1m{}\x1B[0m", var("USER").unwrap(), hostname);
    let osname = format!("\x1B[36;1mOS:\x1B[0m {}\n", Os::ArchLinux.name());

    let info = [
        String::from("\n"),
        username,
        osname,
    ];

    let mut logo_iterator = Os::ArchLinux.ascii_logo().lines();
    let mut info_iterator = info.iter();

    loop {
        match (logo_iterator.next(), info_iterator.next()) {
            (Some(logo), Some(info)) => print!("{}  {}", logo, info),
            (Some(logo), None) => println!("{}", logo),
            _ => break,
        }
    }
}