import irc3
from irc3.plugins.command import command

@irc3.plugin
class DisregardPlugin:
    def __init__(self, bot):
        self.bot = bot
        self.target = None  # The nick to disregard
        self.flood_count = 25  # Number of empty messages to send

    @irc3.event(irc3.rfc.PRIVMSG)
    def on_privmsg(self, mask, event, target, data):
        """
        Listens for messages and floods the channel with empty messages
        if the message is from the target nick.

        :param mask: Contains info about the sender (mask.nick is the sender's nick)
        :param target: The channel or user receiving the message
        :param data: The text of the message
        """
        if self.target and mask.nick == self.target:
            for _ in range(self.flood_count):
                self.bot.privmsg(target, '\u00A0\u2002\u2003' * 50)

    @command(permission='admin', public=True)
    def disregard(self, mask, target, args):
        """
        Set the target nick to disregard.

            %%disregard <nick>
        """
        user = args.get('<nick>')
        if not user:
            self.bot.privmsg(target, "Usage: !disregard <nick>")
            return

        self.target = user
        self.bot.privmsg(target, f"Now disregarding {user}. Their messages will trigger empty floods.")

    @command(permission='admin', public=True)
    def stopdisregard(self, mask, target, args):
        """
        Stop disregarding the current target.

            %%stopdisregard
        """
        if self.target:
            self.bot.privmsg(target, f"Stopped disregarding {self.target}.")
            self.target = None
        else:
            self.bot.privmsg(target, "No target is currently being disregarded.")