#!/bin/sh
set -e

case "$1" in
    configure)
        # Create system user if it doesn't exist
        if ! getent passwd _changedetection >/dev/null; then
            adduser --system --group --home /var/lib/changedetection \
                    --gecos "changedetection.io service" \
                    --shell /usr/sbin/nologin \
                    _changedetection
        fi

        # Create data directory with proper permissions
        if [ ! -d /var/lib/changedetection ]; then
            mkdir -p /var/lib/changedetection
        fi
        chown _changedetection:_changedetection /var/lib/changedetection
        chmod 755 /var/lib/changedetection

        # Reload systemd and enable service
        if [ -d /run/systemd/system ]; then
            systemctl daemon-reload >/dev/null || true
            deb-systemd-helper enable changedetection.io.service >/dev/null || true

            # Start service if this is a fresh install
            if [ -z "$2" ]; then
                echo "Starting changedetection.io service..."
                systemctl start changedetection.io.service || true
                echo ""
                echo "changedetection.io has been installed and started."
                echo "Access it at: http://127.0.0.1:5000"
                echo ""
                echo "To check status: systemctl status changedetection.io"
                echo "To view logs: journalctl -u changedetection.io -f"
            fi
        fi
        ;;

    abort-upgrade|abort-remove|abort-deconfigure)
        ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
        ;;
esac

#DEBHELPER#

exit 0