import random

from edmond.plugin import Plugin
from edmond.utils import proc


class UnknownQuestionPlugin(Plugin):
    """Handle unknown questions.

    Reply with some question marks, but there is a configurable rate to pass
    processing of the message to the misc_reactions if available.
    """

    REQUIRED_CONFIGS = ["pass_to_misc_rate"]

    def __init__(self, bot):
        super().__init__(bot)
        self.priority = -7
        self.misc_plugin = None

    def on_welcome(self, event):
        self.misc_plugin = self.bot.get_plugin("miscreactions")

    def on_pubmsg(self, event):
        message = self.should_read_message(event.arguments[0])
        if message is None:
            return False
        if self.misc_plugin and proc(self.config["pass_to_misc_rate"]):
            self.misc_plugin.react(event)
        else:
            self.bot.say(event.target, "?" * random.randint(1, 3))
        return True