#!/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
}

# ---------------------------------------------------------------------------
# Post-install: hyprltm (network manager) via upstream script.
# ---------------------------------------------------------------------------
install_hyprltm() {
    if command -v hyprltm >/dev/null 2>&1; then
        echo "hyprltm bereits installiert; fahre fort."
        return
    fi
    echo "Installiere hyprltm (Network Manager) ..."
    curl -s https://raw.githubusercontent.com/hyprltm/hyprltm-net/main/setup.sh | bash
}

# ---------------------------------------------------------------------------
# Post-install: ensure fish PATH includes ~/.local/bin (for hyprltm).
# ---------------------------------------------------------------------------
add_fish_local_bin_path() {
    local fish_config="$HOME/.config/fish/config.fish"
    if [[ -f "$fish_config" ]] && grep -q '\$HOME/.local/bin' "$fish_config"; then
        echo "fish ~/.local/bin PATH bereits gesetzt; fahre fort."
        return
    fi
    echo "Fuege ~/.local/bin zum fish-PATH hinzu ..."
    echo 'fish_add_path -m $HOME/.local/bin' >> "$fish_config"
}

# ---------------------------------------------------------------------------
# Post-install: run Hyprland environment & desktop integration scripts.
# ---------------------------------------------------------------------------
run_hypr_scripts() {
    local scripts_dir="$SCRIPT_DIR/../.config/hypr/scripts"

    echo "==> Fuehre ensure-env.sh aus ..."
    bash "$scripts_dir/ensure-env.sh"

    echo "==> Fuehre portal-host-override.sh aus ..."
    bash "$scripts_dir/portal-host-override.sh"

    echo "==> Fuehre fix_dolphin_file_associations.sh aus ..."
    bash "$scripts_dir/fix_dolphin_file_associations.sh"
}

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

    install_pacman
    install_aur
    install_npm

    install_hyprltm
    add_fish_local_bin_path
    run_hypr_scripts

    echo "Fertig. Hyprland und das Compositor-Okosystem sind eingerichtet."
}

main