from plugin import BasePlugin
import tabs
import common

class Plugin(BasePlugin):
    def init(self):
        self.add_tab_command(tabs.MucTab, 'tell', self.command_tell,
                '/tell <nick> <message>\nTell: will tell <nick> of <message> when he next joins.')
        self.add_tab_command(tabs.MucTab, 'untell', self.command_untell,
                '/untell <nick>\nUntell: will remove the saved messages from /tell.',
                self.completion_untell)
        self.add_event_handler('muc_join', self.on_join)
        # {tab -> {nick -> [messages]}
        self.tabs = {}

    def on_join(self, presence, tab):
        if not tab in self.tabs:
            return
        nick = presence['from'].resource
        if not nick in self.tabs[tab]:
            return
        for i in self.tabs[tab][nick]:
            tab.command_say("%s: %s" % (nick, i))
        del self.tabs[tab][nick]

    def command_tell(self, args):
        """/tell <nick> <message>"""
        arg = common.shell_split(args)
        if len(arg) != 2:
            self.core.command_help('tell')
            return
        nick, msg = arg
        tab = self.core.current_tab()
        if not tab in self.tabs:
            self.tabs[tab] = {}
        if not nick in self.tabs[tab]:
            self.tabs[tab][nick] = []
        self.tabs[tab][nick].append(msg)
        self.core.information('Will tell %s' % nick, 'Info')

    def command_untell(self, args):
        """/untell <nick>"""
        tab = self.core.current_tab()
        if not tab in self.tabs:
            return
        nick = args
        if not nick in self.tabs[tab]:
            return
        del self.tabs[tab][nick]

    def completion_untell(self, the_input):
        tab = self.core.current_tab()
        if not tab in self.tabs:
            return the_input.auto_completion([], '')
        return the_input.auto_completion(list(self.tabs[tab]), '')