use crate::commands;
use crate::utils::parser::pkginfo;


pub fn link(matches: &clap::ArgMatches) {
    let pkg_names: Vec<&str> = matches
        .get_many::<String>("pkgname")
        .expect("At least one package name is required")
        .map(|s| s.as_str())
        .collect();

    let repo = matches.get_one::<String>("repo").map(|s| s.as_str());

    for pkgname in pkg_names {
        let resolved_repo = if let Some(explicit_repo) = repo {
            &explicit_repo.to_string()
        } else {
            &pkginfo::get_priority_repo_installed(&pkgname.to_string())
        };

        commands::link::link(resolved_repo, &pkgname.to_string());
    }
}

pub fn command() -> clap::Command {
    clap::Command::new("link")
        .about("Create package links and mount overlays")
        .arg(
            clap::Arg::new("repo")
                .long("repo")
                .short('r')
                .help("Specify the repository to install the package(s) from (applies to all packages)")
                .value_name("REPO")
                .num_args(1)
        )
        .arg(
            clap::Arg::new("pkgname")
                .help("Name(s) of the package(s) to install")
                .required(true)
                .value_name("PKGNAME")
                .action(clap::ArgAction::Append)
        )
}