use console::Style;
use std::io::{self, Write};

pub fn choose_package_mirror() -> Option<String> {
    let mirrors = vec!["ftp.fau.de", "mirror.kernel.org", "mirror.example.org"];

    println!("Optional: choose a mirror for GNU source packages (replace ftp.gnu.org):");

    for (i, mirror) in mirrors.iter().enumerate() {
        println!("  [{}] {}", i + 1, mirror);
    }

    print!("Enter number or press Enter for default: ");
    io::stdout().flush().unwrap();

    let mut input = String::new();
    io::stdin().read_line(&mut input).unwrap();
    let input = input.trim();

    if input.is_empty() {
        None
    } else {
        let choice = input.parse::<usize>().unwrap_or(1);
        let chosen = mirrors.get(choice.saturating_sub(1)).unwrap_or(&mirrors[0]);
        println!(
            "Using package mirror: {}",
            Style::new().green().apply_to(chosen)
        );
        Some(chosen.to_string())
    }
}