// This is the main script for konfigkoll

/// System configuration
///
/// Parameters:
/// - props: A persistent properties object that the script can use to store
///   data between phases
/// - settings: Settings for konfigkoll
pub async fn phase_system_discovery(props, settings) {
    let sysinfo = sysinfo::SysInfo::new();
    let os_id = sysinfo.os_id();
    println!("Configuring for host {} (distro: {})", sysinfo.host_name()?, os_id);

    // We need to enable the backends that we want to use
    match os_id {
        "arch" => {
            settings.enable_pkg_backend("pacman")?;
            settings.set_file_backend("pacman")?;
        },
        "debian" => {
            settings.enable_pkg_backend("apt")?;
            settings.set_file_backend("apt")?;
        },
        "ubuntu" => {
            settings.enable_pkg_backend("apt")?;
            settings.set_file_backend("apt")?;
        },
        _ => return Err("Unsupported OS")?,
    }
    // Also enable flatpak
    settings.enable_pkg_backend("flatpak")?;

    Ok(())
}

/// Ignored paths
pub async fn phase_ignores(props, cmds) {
    // Note! Some ignores are built in to konfigkoll, so you don't need to add them here:
    // These are things like /dev, /proc, /sys, /home etc. See documentation for
    // current list of built in ignores.

    // Ignore some common paths
    cmds.ignore_path("/var/cache")?;
    cmds.ignore_path("/var/spool")?;
    // It is generally best to ignore the state directories of package managers,
    // as they are managed separately.
    cmds.ignore_path("/var/lib/flatpak")?;
    cmds.ignore_path("/var/lib/pacman")?;
    cmds.ignore_path("/var/lib/apt")?;
    cmds.ignore_path("/var/lib/dpkg")?;
    // Add more paths to ignore here
    Ok(())
}

/// Early package phase, this is for packages that is needed by the script
/// itself (e.g. if we need to call out to a command from that package)
pub async fn phase_script_dependencies(props, cmds) {
    Ok(())
}

/// Main phase, this is where the bulk of your configuration should go
///
/// It is recommended to use the "save" sub-command to create an initial
/// `unsorted.rn` file that you can then copy the parts you want from into here.
///
/// A tip is to use `konfigkoll -p dry-run save` the first few times to not
/// *actually* save all the files, this helps you figure out what ignores to add
/// above in `phase_ignores()` without copying a ton of files. Once you are happy
/// with the ignores, you can remove the `-p dry-run` part.
pub async fn phase_main(props, cmds, package_managers) {

    Ok(())
}