###
# Copyright (c) 2010, Terence Simpson
# Copyright (c) 2021, Krytarik Raido
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#   * Redistributions of source code must retain the above copyright notice,
#     this list of conditions, and the following disclaimer.
#   * Redistributions in binary form must reproduce the above copyright notice,
#     this list of conditions, and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#   * Neither the name of the author of this software nor the name of
#     contributors to this software may be used to endorse or promote products
#     derived from this software without specific prior written consent.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
###

from supybot.commands import *
import supybot.callbacks as callbacks
import random as rdm
import time


class Random(callbacks.Plugin):
    """Return a random phrase or number out of a given
       set of phrases or range of numbers."""
    threaded = True

    def __init__(self, irc):
        self.__parent = super(Random, self)
        self.__parent.__init__(irc)
        self.rdm = rdm.Random(time.time())

    def seed(self, irc, msg, args, num):
        """[<number>]

        Seeds the random number generator with the given <number>, which can
        either be an integer or a floating-point number. When no argument is
        given, the random number generator is seeded with the current time.
        """
        if num is None:
            num = time.time()
        self.rdm.seed(num)
        irc.replySuccess()
    seed = wrap(seed, [optional(first('long', 'float'))])

    def random(self, irc, msg, args, phrases):
        """<phrase1> <phrase2> ...<phraseN>

        Picks a phrase at random. Use quotes to enclose multiple words
        in a phrase.
        """
        if len(phrases) == 1:
            irc.reply(phrases[0]);
            return

        if self.rdm.randrange(0, 2):
            self.rdm.seed(time.time())

        irc.reply(self.rdm.choice(phrases))
    random = wrap(random, [many('something')])

    def randrange(self, irc, msg, args, minn, maxn):
        """<min> <max>

        Picks a random number in range <min>-<max>
        """
        if maxn <= minn:
            irc.error("<min> must be less than <max>")
            return
        irc.reply(str(rdm.randrange(minn, maxn+1)))
    randrange = wrap(randrange, ['nonNegativeInt', 'nonNegativeInt'])


Class = Random