post_install() {
    echo ""
    echo "==> Hamr v1.0.0 installed successfully!"
    echo ""
    echo "    Start the daemon:  hamr-daemon"
    echo "    Launch the UI:     hamr-gtk"
    echo ""
    echo "    Plugins are installed to: /usr/share/hamr/plugins/"
    echo "    User config location:     ~/.config/hamr/"
    echo ""
}

post_upgrade() {
    if [[ "$(vercmp "$2" "1.0.0")" -lt 0 ]]; then
        echo ""
        echo "=========================================="
        echo "  HAMR v1.0.0 - MAJOR VERSION UPGRADE"
        echo "=========================================="
        echo ""
        echo "  Hamr has been completely rewritten in Rust!"
        echo ""
        echo "  BREAKING CHANGES:"
        echo "  - License changed from GPL-3.0 to MIT"
        echo "  - QML/Quickshell replaced with native GTK4"
        echo "  - New plugin system with Python SDK"
        echo "  - Different configuration format"
        echo ""
        echo "  CLEANUP (optional):"
        echo "  Old QML files may remain at:"
        echo "    /etc/xdg/quickshell/hamr/"
        echo "    ~/.config/quickshell/"
        echo ""
        echo "  You can safely remove these if not using"
        echo "  other Quickshell applications."
        echo ""
        echo "  NEW COMMANDS:"
        echo "    hamr-daemon  - Background service"
        echo "    hamr-gtk     - GTK4 launcher UI"
        echo "    hamr-tui     - Terminal UI (optional)"
        echo "    hamr         - CLI tools"
        echo ""
        echo "  For migration help, visit:"
        echo "    https://github.com/Stewart86/hamr"
        echo ""
        echo "=========================================="
        echo ""
    else
        echo ""
        echo "==> Hamr upgraded to v$1"
        echo ""
    fi
}

post_remove() {
    echo ""
    echo "==> Hamr has been removed."
    echo ""
    echo "    User data remains at: ~/.config/hamr/"
    echo "    ~/.local/share/hamr/"
    echo ""
    echo "    Remove these manually if no longer needed."
    echo ""
}