#!/bin/sh

set -e

USER_SERVICES="alienaudio.service alienkeyboard.service apkd-bridge.service apkd-bridge-user.service"

active_wayland_user=

for session in $(loginctl list-sessions --no-legend | awk '{ print $1 }'); do
    if [ "$(loginctl show-session --value -p Type ${session})" != "wayland" ]; then
        continue
    fi

    if [ "$(loginctl show-session --value -p Class ${session})" != "user" ]; then
        continue
    fi

    if [ "$(loginctl show-session --value -p Remote ${session})" != "no" ]; then
        continue
    fi

    if [ "$(loginctl show-session --value -p State ${session})" != "active" ]; then
        continue
    fi

    active_wayland_user="$(loginctl show-session --value -p Name ${session})"
    break
done

if [ "${active_wayland_user}" == "" ]; then
    echo "No active wayland session found"
    exit 1
fi

if [ "$1" == "start" ]; then
    # User services behave buggy if they're kept running while container is down
    # or started without hwservicemanager running in the container.
    # So start the services right after hwservicemanager is started in the container.
    #
    # systemd should ensure that we're always started and stopped in sync with
    # aliendalvik.service (because of BindsTo= dependency)
    while [ "$(lxc-attach --name=aliendalvik --lxcpath=/tmp/appsupport -- /system/bin/getprop hwservicemanager.ready)" != "true" ]; do
        echo "User services startup waiting for hwservicemanager in container"
        sleep 1
    done

    for SERVICE in $USER_SERVICES; do
        echo "Starting $SERVICE"
        systemctl --user -M ${active_wayland_user}@ start ${SERVICE}
    done
elif [ "$1" == "stop" ]; then
    for SERVICE in $USER_SERVICES; do
        echo "Stopping $SERVICE"
        systemctl --user -M ${active_wayland_user}@ stop ${SERVICE}
    done
fi