#!/usr/bin/env python

###
# Copyright (c) 2002, Jeremiah Fincher
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# 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.
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#     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
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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###

"""
Acceses Google for various things.

Commands include:
  google
  googlelinux
  googlebsd
  googlemac
  googlespell
"""

from baseplugin import *

import time

import google

import utils
import privmsgs
import callbacks

def configure(onStart, afterConnect, advanced):
    from questions import expect, anything, something, yn
    print 'To use Google\'t Web Services, you must have a license key.'
    if yn('Do you have a license key?') == 'y':
        key = anything('What is it?')
        onStart.append('load Google')
        onStart.append('googlelicensekey %s' % key)
    else:
        print 'You\'ll need to get a key before you can use this plugin.'
        print 'You can apply for a key from http://www.google.com/apis/'
        
class Google(callbacks.Privmsg):
    threaded = True
    def __init__(self):
        callbacks.Privmsg.__init__(self)
        self.total = 0
        self.totalTime = 0
        self.last24hours = queue()

    def _searched(self, data):
        now = time.time()
        self.total += 1
        self.totalTime += data.meta.searchTime
        self.last24hours.enqueue(now)
        while self.last24hours and now - self.last24hours.peek() > 86400:
            self.last24hours.dequeue()
        
    def formatData(self, data):
        self._searched(data)
        time = '(search took %s seconds)' % data.meta.searchTime
        results = data.results[:3]
        results = ['\x02%s\x02: %s' % \
                   (utils.htmlToText(r.title.encode('utf-8')), r.URL) \
                   for r in results]
        if not results:
            return 'No matches found %s' % time
        else:
            return '%s %s' % (' ;; '.join(results), time)

    def googlelicensekey(self, irc, msg, args):
        """<key>"""
        key = privmsgs.getArgs(args)
        google.setLicense(key)
        irc.reply(msg, conf.replySuccess)
    googlelicensekey = privmsgs.checkCapability(googlelicensekey, 'admin')
        
    def google(self, irc, msg, args):
        "<search string>"
        searchString = privmsgs.getArgs(args)
        data = google.doGoogleSearch(searchString,
                                     language='lang_en',
                                     safeSearch=1)
        irc.reply(msg, self.formatData(data))

    def googlelinux(self, irc, msg, args):
        """<search string>

        Searches Google's Linux repository.
        """
        searchString = privmsgs.getArgs(args)
        data=google.doGoogleSearch(searchString,
                                   restrict='linux',
                                   language='lang_en',
                                   safeSearch=1)
        irc.reply(msg, self.formatData(data))

    def googlebsd(self, irc, msg, args):
        """<search string>

        Searches Google's BSD repository.
        """
        searchString = privmsgs.getArgs(args)
        data = google.doGoogleSearch(searchString,
                                     restrict='bsd',
                                     language='lang_en',
                                     safeSearch=1)
        irc.reply(msg, self.formatData(data))

    def googlemac(self, irc, msg, args):
        """<search string>

        Searches Google's Mac repository.
        """
        searchString = privmsgs.getArgs(args)
        data = google.doGoogleSearch(searchString,
                                     restrict='mac',
                                     language='lang_en',
                                     safeSearch=1)
        irc.reply(msg, self.formatData(data))

    def googlesite(self, irc, msg, args):
        """<site> <search string>

        Searches Google on a specific site.
        """
        searchString = 'site:%s %s' % privmsgs.getArgs(args, needed=2)
        data = google.doGoogleSearch(searchString,
                                     language='lang_en',
                                     safeSearch=1)
        irc.reply(msg, self.formatData(data))

    def googleplex(self, irc, msg, args):
        """<search string> [language, restrict, safe, filter] keyword arguments

        Search google, providing all your own options.
        """
        (args, kwargs) = privmsgs.getKeywordArgs(irc, msg)
        searchString = ' '.join(args)
        if 'safe' in kwargs:
            kwargs['safeSearch'] = int(kwargs['safe'])
            del kwargs['safe']
        data = google.doGoogleSearch(searchString, **kwargs)
        irc.reply(msg, self.formatData(data))

    def googlespell(self, irc, msg, args):
        "<word>"
        word = privmsgs.getArgs(args)
        result = google.doSpellingSuggestion(word)
        if result:
            irc.reply(msg, result)
        else:
            irc.reply(msg, 'No spelling suggestion made.')

    def googleinfo(self, irc, msg, args):
        """takes no arguments"""
        last24hours = len(self.last24hours)
        irc.reply(msg, 'This google module has been called %s time%stotal; '\
                       '%s time%sin the past 24 hours.  ' \
                       'Google has spent %s seconds searching for me.' % \
                  (self.total, self.total != 1 and 's ' or ' ',
                   last24hours, last24hours != 1 and 's ' or ' ',
                   self.totalTime))


Class = Google

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