###
# Copyright (c) 2005, Jeremiah Fincher
# All rights reserved.
#
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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.
#   * Redistributions in binary form must reproduce the above copyright notice,
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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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# ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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###

import supybot.conf as conf
import supybot.registry as registry
import supybot.callbacks as callbacks
from supybot.i18n import PluginInternationalization, internationalizeDocstring
_ = PluginInternationalization('RSS')

def configure(advanced):
    # This will be called by supybot to configure this module.  advanced is
    # a bool that specifies whether the user identified himself as an advanced
    # user or not.  You should effect your configuration by manipulating the
    # registry as appropriate.
    from supybot.questions import expect, anything, something, yn
    conf.registerPlugin('RSS', True)


class FeedNames(registry.SpaceSeparatedListOfStrings):
    List = callbacks.CanonicalNameSet

class FeedItemSortOrder(registry.OnlySomeStrings):
    """Valid values include 'asInFeed', 'oldestFirst', 'newestFirst'."""
    validStrings = ('asInFeed', 'oldestFirst', 'newestFirst')

RSS = conf.registerPlugin('RSS')
conf.registerChannelValue(RSS, 'bold', registry.Boolean(
    True, _("""Determines whether the bot will bold the title of the feed when
    it announces new news.""")))
conf.registerChannelValue(RSS, 'headlineSeparator',
    registry.StringSurroundedBySpaces(' || ', _("""Determines what string is
    used to separate headlines in new feeds.""")))
conf.registerChannelValue(RSS, 'announcementPrefix',
    registry.StringWithSpaceOnRight(_('New news from '), _("""Determines what
    prefix is prepended (if any) to the new news item announcements made in the
    channel.""")))
conf.registerChannelValue(RSS, 'announcementSeparator',
        registry.StringWithSpaceOnRight(_(': '), _("""Determines what
    suffix is appended to the feed name in a news item.""")))
conf.registerChannelValue(RSS, 'announce',
    registry.SpaceSeparatedSetOfStrings([], _("""Determines which RSS feeds
    should be announced in the channel; valid input is a list of strings
    (either registered RSS feeds or RSS feed URLs) separated by spaces.""")))
conf.registerGlobalValue(RSS, 'waitPeriod',
    registry.PositiveInteger(1800, _("""Indicates how many seconds the bot will
    wait between retrieving RSS feeds; requests made within this period will
    return cached results.""")))
conf.registerGlobalValue(RSS, 'sortFeedItems',
    FeedItemSortOrder('asInFeed', _("""Determines whether feed items should be
    sorted by their update timestamp or kept in the same order as they appear
    in a feed.""")))

conf.registerGlobalValue(RSS, 'feeds',
    FeedNames([], _("""Determines what feeds should be accessible as
    commands.""")))
conf.registerChannelValue(RSS, 'showLinks',
    registry.Boolean(False, _("""Determines whether the bot will list the link
    along with the title of the feed when the rss command is called.
    supybot.plugins.RSS.announce.showLinks affects whether links will be
    listed when a feed is automatically announced.""")))
conf.registerGlobalValue(RSS, 'defaultNumberOfHeadlines',
    registry.PositiveInteger(1, _("""Indicates how many headlines an rss feed
    will output by default, if no number is provided.""")))
conf.registerChannelValue(RSS, 'initialAnnounceHeadlines',
    registry.PositiveInteger(5, _("""Indicates how many headlines an rss feed
    will output when it is first added to announce for a channel.""")))
conf.registerChannelValue(RSS, 'keywordWhitelist',
    registry.SpaceSeparatedSetOfStrings([], _("""Space separated list of 
    strings, lets you filter headlines to those containing one or more items
    in this whitelist.""")))
conf.registerChannelValue(RSS, 'keywordBlacklist',
    registry.SpaceSeparatedSetOfStrings([], _("""Space separated list of 
    strings, lets you filter headlines to those not containing any items
    in this blacklist.""")))

conf.registerGroup(RSS, 'announce')
conf.registerChannelValue(RSS.announce, 'showLinks',
    registry.Boolean(False, _("""Determines whether the bot will list the link
    along with the title of the feed when a feed is automatically
    announced.""")))

conf.registerGlobalValue(RSS.announce, 'cachePeriod',
    registry.PositiveInteger(86400, """Maximum age of cached RSS headlines,
    in seconds. Headline cache is used to avoid re-announcing old news."""))


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