#!/usr/bin/env python

###
# Copyright (c) 2002, Jeremiah Fincher
# 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.
###

###
# Note the exception above the declaration of _code.
###
"""
Provides several commands that shamelessly imitate Moobot, if only to show
developers coming from Moobot how to code to Supybot.
"""

import plugins

import re
import base64

import utils
import ircmsgs
import ircutils
import privmsgs
import callbacks

example = utils.wrapLines("""
<jemfinch> @list Moobot
<supybot> cool, dawdit, ditdaw, give, hi, mime, morse, reverse, stack, unmime, unmorse
<jemfinch> @cool supybot
<supybot> :cool: supybot :cool:
<jemfinch> @dawdit supybot
<supybot> supybot
<jemfinch> @ditdaw supybot
<supybot> ... ..- .--. -.-- -... --- -
<jemfinch> @dawdit [ditdaw supybot]
<supybot> SUPYBOT
<jemfinch> @give yourself a beer
* supybot gives himself a beer
<jemfinch> @hi
<supybot> howdy, jemfinch!
<jemfinch> @reverse supybot
<supybot> tobypus
<jemfinch> @mime supybot
<supybot> c3VweWJvdA==
<jemfinch> @unmime [mime supybot]
<supybot> supybot
<jemfinch> @unmorse [morse supybot]
<supybot> SUPYBOT
<jemfinch> @stack push 1
<supybot> "1" pushed.
<jemfinch> @stack push 2
<supybot> "2" pushed.
<jemfinch> @help stack
<supybot> stack <'push'|'pop'|'size'|'xray'> <text> (for more help use the morehelp command)
<jemfinch> @stack size
<supybot> Stack size is 2.
<jemfinch> @stack xray 1
<supybot> 2
<jemfinch> @stack pop
<supybot> 2
<jemfinch> @stack pop
<supybot> 1
<jemfinch> @stack pop
<supybot> Error: Stack is empty.
""")
                          

class Moobot(callbacks.Privmsg):
    def cool(self, irc, msg, args):
        """<something>

        Says something's cool.  Yeah. :cool: Supybot :cool: :)
        """
        something = privmsgs.getArgs(args)
        irc.reply(msg, ':cool: %s :cool:' % something)

    _code = {
        "A" : ".-",
        "B" : "-...",
        "C" : "-.-.",
        "D" : "-..",
        "E" : ".",
        "F" : "..-.",
        "G" : "--.",
        "H" : "....",
        "I" : "..",
        "J" : ".---",
        "K" : "-.-",
        "L" : ".-..",
        "M" : "--",
        "N" : "-.",
        "O" : "---",
        "P" : ".--.",
        "Q" : "--.-",
        "R" : ".-.",
        "S" : "...",
        "T" : "-",
        "U" : "..-",
        "V" : "...-",
        "W" : ".--",
        "X" : "-..-",
        "Y" : "-.--",
        "Z" : "--..",
        "0" : "-----",
        "1" : ".----",
        "2" : "..---",
        "3" : "...--",
        "4" : "....-",
        "5" : ".....",
        "6" : "-....",
        "7" : "--...",
        "8" : "---..",
        "9" : "----.",
    }

    _revcode = dict([(y, x) for (x, y) in _code.items()])

    _unmorsere = re.compile('([.-]+)')
    def unmorse(self, irc, msg, args):
        """<morse code text>

        Does the reverse of the morse/ditdaw command.
        """
        text = privmsgs.getArgs(args)
        text = text.replace('_', '-')
        def morseToLetter(m):
            s = m.group(1)
            return self._revcode.get(s, s)
        text = self._unmorsere.sub(morseToLetter, text)
        text = text.replace('  ', '\x00')
        text = text.replace(' ', '')
        text = text.replace('\x00', ' ')
        irc.reply(msg, text)

    def morse(self, irc, msg, args):
        """<text>

        Gives the more code equivalent of a given string.
        """
        text = privmsgs.getArgs(args)
        L = []
        for c in text.upper():
            if c in self._code:
                L.append(self._code[c])
            else:
                L.append(c)
        irc.reply(msg, ' '.join(L))

    ditdaw = morse
    dawdit = unmorse

    def hi(self, irc, msg, args):
        """takes no arguments

        Says hi to you.
        """
        irc.reply(msg, 'howdy, %s!' % msg.nick)

    def reverse(self, irc, msg, args):
        """<text>

        Reverses <text>.
        """
        text = privmsgs.getArgs(args)
        irc.reply(msg, text[::-1])

    def mime(self, irc, msg, args):
        """<text>

        Encodes text in base64.  Here for compatibility with Moobot; this and
        other encodings are available in the FunCommands module.
        """
        text = privmsgs.getArgs(args)
        s = base64.encodestring(text).strip()
        irc.reply(msg, s)

    def unmime(self, irc, msg, args):
        """<text>

        Decodes base64 encoded text.  Here for compatibility with Moobot; this
        and other encodings are available in the FunCommands module.
        """
        text = privmsgs.getArgs(args)
        s = base64.decodestring(text)
        irc.reply(msg, s)

    _stack = []
    def stack(self, irc, msg, args):
        """<'push'|'pop'|'size'|'xray'> <text>

        Maintains a stack of various strings; push pushes onto the stack,
        pop pops off it, size gives its current size, and xray takes an
        index into the stack and gives that element.
        """
        (command, value) = privmsgs.getArgs(args, optional=1)
        if command == 'pop':
            if self._stack:
                x = self._stack.pop()
                irc.reply(msg, x)
            else:
                irc.error(msg, 'Stack is empty.')
        elif command == 'push':
            self._stack.append(value)
            irc.reply(msg, '"%s" pushed.' % value)
        elif command == 'size':
            irc.reply(msg, 'Stack size is %s.' % len(self._stack))
        elif command == 'xray':
            i = int(value)
            try:
                irc.reply(msg, self._stack[-i])
            except IndexError:
                irc.error(msg, 'Invalid position %s' % i)
        else:
            irc.error(msg, 'I don\'t recognize that stack command.')

    def give(self, irc, msg, args):
        """<someone> <something>

        Um, gives <someone> <something>."""
        (someone, something) = privmsgs.getArgs(args, needed=2)
        if someone == 'me':
            someone = msg.nick
        elif someone in ('yourself', 'you', irc.nick):
            someone = 'himself'
        response = 'gives %s %s' % (someone, something)
        irc.queueMsg(ircmsgs.action(ircutils.replyTo(msg), response))
        raise callbacks.CannotNest


Class = Moobot
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