#!/bin/sh
set -e

check_mode() {
    my_mode=$(/usr/bin/jibo-getmode)
    if [ $? -ne 0 ]; then
        echo "Unspecified mode. SKIP"
        exit 0;
    fi
    if [ "$my_mode" != "oobe" \
        -a "$my_mode" != "int-developer" \
        -a "$my_mode" != "developer" \
        -a "$my_mode" != "normal" \
        -a "$my_mode" != "ota" \
        -a "$my_mode" != "service" ]; then
        echo "Mode is $my_mode. SKIP"
        exit 0;
    fi
}

check_x() {
    pgrep -x X
    return $?
}

wait_for_x() {
    while ! check_x; do
        echo -n "waiting... "
        sleep 0.25
    done
}

start() {
    echo -n "Starting X11: "
    check_mode
    /usr/bin/startx &
    wait_for_x
    test $? -eq 0 && echo "OK" || echo "ERROR"
    # change mode to allow non-root skill to have 
    # read access for X11 connections
    chmod 644 /tmp/.Xauthority
}

stop() {
    echo -n "Stopping X11: "
    killall xinit
    test $? -eq 0 && echo "OK" || echo "ERROR"
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    restart)
        stop
        start
        ;;
    *)
        echo "Usage: $0 {start|stop|restart}" >&2
        exit 1
        ;;
esac