# Arch Linux install script for YAMS
# Handles systemd daemon registration, enable, start, stop, and teardown.

UNIT=yams-daemon.service

post_install() {
    if [ -d /run/systemd/system ]; then
        systemctl --system daemon-reload >/dev/null 2>&1 || true
        # Enable per systemd preset (80-yams.preset ships with the package)
        systemctl preset "${UNIT}" >/dev/null 2>&1 || true
        # Start now (first install — pacman -U)
        systemctl start "${UNIT}" >/dev/null 2>&1 || true
    fi
}

post_upgrade() {
    if [ -d /run/systemd/system ]; then
        systemctl --system daemon-reload >/dev/null 2>&1 || true
        # Restart if it was running, otherwise just re-enable
        if systemctl is-active --quiet "${UNIT}" 2>/dev/null; then
            systemctl restart "${UNIT}" >/dev/null 2>&1 || true
        else
            systemctl preset "${UNIT}" >/dev/null 2>&1 || true
        fi
    fi
}

pre_remove() {
    if [ -d /run/systemd/system ]; then
        systemctl stop "${UNIT}" >/dev/null 2>&1 || true
    fi
}

post_remove() {
    if [ -d /run/systemd/system ]; then
        systemctl --system daemon-reload >/dev/null 2>&1 || true
    fi
}