#!/bin/bash
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PACKAGES_FILE="$SCRIPT_DIR/packages.txt"

# ---------------------------------------------------------------------------
# Read packages.txt, split into pacman / aur / npm sections.
# ---------------------------------------------------------------------------
read_packages() {
    local section="pacman"
    local current
    current=""
    while IFS= read -r line || [[ -n "$line" ]]; do
        current="${line%%#*}"
        current="${current##*( )}"
        current="${current%%*( )}"
        [[ -z "$current" ]] && continue
        case "$current" in
            @pacman) section="pacman" ;;
            @aur)    section="aur" ;;
            @npm)    section="npm" ;;
            *)
                case "$section" in
                    pacman) pacman_pkgs+=("$current") ;;
                    aur)    aur_pkgs+=("$current") ;;
                    npm)    npm_pkgs+=("$current") ;;
                esac
                ;;
        esac
    done < "$PACKAGES_FILE"
}

declare -a pacman_pkgs=() aur_pkgs=() npm_pkgs=()

# ---------------------------------------------------------------------------
# Install sections.
# ---------------------------------------------------------------------------
install_pacman() {
    if ((${#pacman_pkgs[@]})); then
        echo "==> Installiere Pacman-Pakete: ${pacman_pkgs[*]}"
        yay -S --needed "${pacman_pkgs[@]}"
    fi
}

install_aur() {
    if ((${#aur_pkgs[@]})); then
        echo "==> Installiere AUR-Pakete: ${aur_pkgs[*]}"
        yay -S --needed "${aur_pkgs[@]}"
    fi
}

install_npm() {
    if ((${#npm_pkgs[@]})); then
        echo "==> Installiere globale npm-Pakete: ${npm_pkgs[*]}"
        npm install -g "${npm_pkgs[@]}"
    fi
}

# ---------------------------------------------------------------------------
# Main
# ---------------------------------------------------------------------------
main() {
    echo "==> Lese Paketliste: $PACKAGES_FILE"
    read_packages

    install_pacman
    install_aur
    install_npm

    echo "Fertig. Standalone Utilities sind eingerichtet."
}

main