use std::path::PathBuf;
use crate::utils::hardcopy::hardcopy_handler;
use crate::utils::shell::*;

pub fn pkglink(repo: &String, pkgname: &String) -> Result<(), String> {
    let source = PathBuf::from("/pkg").join(repo).join(pkgname);
    if source.join("disabled").exists() { return Ok(()) }

    let destination = source.parent()
        .ok_or("Failed to get parent directory for path")?
        .to_path_buf();

    let dirs_to_copy = vec![
        ("bin"),
        ("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))?;
        }
    }

    mount_overlay(&destination)?;
    shell_update()?;

    Ok(())
}