#!/bin/sh
# SPDX-License-Identifier: MIT
# enne2-cpufreq — disinstallazione.
#   ./uninstall.sh            rimuove widget (utente) e backend (sudo)
#   ./uninstall.sh --widget   solo il plasmoide
#   ./uninstall.sh --backend  solo helper/polkit/stato (root)
# I task configurati (~/.config/enne2-cpufreq) NON vengono cancellati.
set -u

PKG_DIR=$(cd "$(dirname "$0")" && pwd)
ID=org.enne2.cpufreq
LIBDIR=/usr/local/libexec/enne2-cpufreq
POLICY_DST=/usr/share/polkit-1/actions/org.enne2.cpufreq.set.policy
RULE_DST=/etc/polkit-1/rules.d/50-org.enne2.cpufreq.rules
STATEDIR=/var/lib/enne2-cpufreq

MODE=all
for arg in "$@"; do
    case "$arg" in
        --widget) MODE=widget ;;
        --backend) MODE=backend ;;
        --all) MODE=all ;;
        -h|--help) sed -n 's/^# \{0,1\}//p' "$0" | sed -n '1,10p'; exit 0 ;;
        *) printf 'opzione sconosciuta: %s\n' "$arg" >&2; exit 2 ;;
    esac
done

remove_widget() {
    if kpackagetool6 --type Plasma/Applet --show "$ID" >/dev/null 2>&1; then
        printf 'Rimuovo il plasmoide %s…\n' "$ID"
        kpackagetool6 --type Plasma/Applet --remove "$ID" || return 1
    else
        printf 'Plasmoide %s non installato.\n' "$ID"
    fi
    [ -L "$HOME/.local/bin/enne2-cpufreq-task" ] && rm -f "$HOME/.local/bin/enne2-cpufreq-task"
    return 0
}

remove_backend() {
    [ "$(id -u)" -eq 0 ] || { printf 'ERRORE: richiede root.\n' >&2; return 1; }
    # ripristina lo stato hardware prima di togliere l'helper
    if [ -x "$LIBDIR/cpufreq-helper" ]; then
        "$LIBDIR/cpufreq-helper" task-end --all >/dev/null 2>&1
    fi
    rm -f "$POLICY_DST" "$RULE_DST"
    rm -rf "$LIBDIR"
    rm -rf "$STATEDIR"
    systemctl try-reload-or-restart polkit >/dev/null 2>&1 || true
    printf 'Backend rimosso.\n'
    return 0
}

case "$MODE" in
    widget) remove_widget ;;
    backend) remove_backend ;;
    all)
        remove_widget
        if [ "$(id -u)" -eq 0 ]; then
            remove_backend
        else
            sudo "$0" --backend
        fi
        ;;
esac