use colored::Colorize;
use std::io::Write;
use std::process::{Command, Stdio};

use crate::file;
use crate::packages::{ask_confirmation, get_package_path, PACKAGE_MANAGER};

pub fn sync(noconfirm: bool) -> Result<(), Box<dyn std::error::Error>> {
    println!("{} {}", "::".bold().green(), "Syncing packages...".bold());

    if !ask_confirmation()? {
        return Err("Operation aborted".into());
    }

    let packages = file::read_packages(get_package_path());

    let packages = packages
        .into_iter()
        .filter(|p| !p.contains("#") && !p.is_empty())
        .collect::<Vec<String>>();

    let noconfirm = if noconfirm {
        "--noconfirm"
    } else {
        "--confirm"
    };

    let mut child = Command::new(PACKAGE_MANAGER)
        .arg("--color")
        .arg("always")
        .arg("-S")
        .arg("--needed")
        .arg(noconfirm)
        .arg("-")
        .stdin(Stdio::piped())
        .stdout(Stdio::inherit())
        .stderr(Stdio::inherit())
        .spawn()
        .expect("Failed to execute command");

    if let Some(mut stdin) = child.stdin.take() {
        for package in packages {
            writeln!(stdin, "{}", package).unwrap();
        }
    }

    let status = child.wait().expect("Failed to wait on child");

    if !status.success() {
        return Err("Failed to sync packages".into());
    }

    println!("{} {}", "::".bold().green(), "Packages synced".bold());
    Ok(())
}