def format_launch(launch_item):
    # prints an item from the LL launches list

    message_parts = [] # list with all the "parts" of the message, name, stream url etc.
    message_parts.append(launch_item["name"])  # name of the launch

    if len(launch_item["vidURLs"]) >= 1:
        message_parts.append(launch_item["vidURLs"][0])  # first stream url if available

    net_time = launch_item["net"]  # NET date

    # TBD/NET if unsure otherwise use NET
    net_time = "TBD/NET " + net_time if launch_item["tbdtime"] else "NET " + net_time
    message_parts.append(net_time)

    if not launch_item["tbdtime"]:  # add countdown if it isn't TBD
        launch_time = dateutil.parser.parse(launch_item["isonet"]).replace(tzinfo=None)  # parse launch time
        time_now = datetime.utcnow()

        def format_timedelta(td):
            if td < timedelta(0):
                return '-' + format_timedelta(-td)
            else:
                # Change this to format positive timedeltas the way you want
                return str(td)

        tdelta = format_timedelta(launch_time - time_now)  # Time difference

        # convert to string
        t_minus = "T-" + str(tdelta)[:str(tdelta).index(".")]
        t_minus = t_minus.replace("--", "+")  # two minuses = plus, right?
        message_parts.append(t_minus)

    # return formatted string
    return " - ".join(message_parts)


def get_launch(search):
    # Get launch string from name/search

    search = search.lstrip().rstrip()

    if search.replace(" ", "") == "":
        # no search
        try:
            with urllib.request.urlopen("https://launchlibrary.net/1.2/launch?mode=verbose&next=1") as url:
                data = json.loads(url.read().decode())
                launch_list = data["launches"]
                if len(launch_list) > 0:
                    return format_launch(launch_list[0])
        except urllib.error.HTTPError:
            return "Useless error message. LL is probably down."

    # Query for search
    time_now = datetime.utcnow()
    url_starttime = time_now.strftime("%Y-%m-%d")
    query = "mode=verbose&limit=1&startdate={}&name={}"\
            .format(url_starttime, urllib.parse.quote(search))

    # Get the launches
    try:
        with urllib.request.urlopen("https://launchlibrary.net/1.2/launch?" + query) as url:
            data = json.loads(url.read().decode())
            launch_list = data["launches"]

        if len(launch_list) > 0:
            return format_launch(launch_list[0])
        else:
            return "Next launch for query '{}' not found.".format(search)

    except urllib.error.HTTPError:
        return "Next launch for query '{}' not found.".format(search)

client = discord.Client()


@client.event
async def on_ready():
    print('Logged in as')
    print(client.user.name)
    print(client.user.id)
    print('------')


@client.event
async def on_message(message):
    split_message = message.content.split()

    # if first 'word' is s!nextlaunch
    if len(split_message) >= 1 and split_message[0].lower() == 's!nextlaunch':
        print(message.author.name + " wrote: " + message.content)  # Log sender
        rest_message = message.content[12:]  # message excluding the s!nextlaunch
        launch_message = get_launch(rest_message)  # get the response string
        print("Sending: " + launch_message)  # log message sent
        await client.send_message(message.channel, launch_message)  # send it!

# Run client
client.run(TOKEN)