from __future__ import unicode_literals
from json import loads
from optparse import OptionParser
from shlex import split

from pyfiglet import Figlet


crontable = []
outputs = []


def parse(lineparts):
    parser = OptionParser()
    parser.add_option("-f", dest="font", default="standard")
    parser.add_option("-r", dest="reverse", default=False, action="store_true")
    parser.add_option("-F", dest="flip", default=False, action="store_true")

    return parser.parse_args(lineparts)


def process_message(data):

    if data.get("user", "") == "U1MRZ396F":
        return
    try:
        ls = split(data["text"])
    except ValueError as exc:
        print("failed to handle %s, ignoring" % data["text"])
        # outputs.append([data["channel"], "what?"])
        return

    # can this happen?
    if not ls:
        return

    maybename = ls.pop(0)
    maybename = maybename.replace("@", "").replace(":", "")
    if maybename.lower() != "figlet" and maybename != "<U1MRZ396F>":
        return

    opts, args = parse(ls)
    msg = " ".join(args)
    if not msg:
        outputs.append([data["channel"], "what?"])
        return

    figlet = Figlet()

    if opts.font not in figlet.getFonts():
        outputs.append([data["channel"], "i don't know that font"])
        return

    figlet.setFont(font=opts.font)
    r = figlet.renderText(msg)
    if opts.reverse:
        r = r.reverse()
    if opts.flip:
        r = r.flip()

    outputs.append([data["channel"], "```%s```\n" % r])

# eof