use crate::utils::fs::hardcopy::hardcopy_handler;
use crate::utils::shell::*;
use crate::utils::parser::env::get_install_env;

pub fn link(repo: &String, pkgname: &String) {
    let source = crate::commands::get_aeropkg_base().join(repo).join(pkgname);
    if source.join("disabled").exists() { println!("Disabled package, no linking: {}\nUse `pkg enable {}` to link", pkgname, pkgname); return }

    let destination = &crate::commands::get_aeropkg_base().join(repo);

    let dirs_to_copy = vec![
        ("bin"),
        ("sbin"),
        ("lib"),
        ("libexec"),
        ("include"),
        ("share")
    ];

    for base_system_folder_dir in dirs_to_copy {
        let src = source.join(base_system_folder_dir);
        let dest = destination.join(base_system_folder_dir);

        if src.exists() {
            hardcopy_handler(&src, &dest)
                .map_err(|e| format!("Failed to copy {} to {}: {}", src.display(), dest.display(), e)).unwrap()
        }
    }

    let builded_pkg_md_path = &crate::commands::get_aeropkg_base().join(repo).join(pkgname).join("build-script.md");
    let full_env = get_install_env(repo, pkgname, builded_pkg_md_path, "link");

    let mount_usr_dir_flag = full_env.get("mount_usr_dir").is_some();
    if  mount_usr_dir_flag {
        mount_overlay();
    }
    shell_update()
}