import datetime

from edmond.plugin import Plugin


class JourneeMondialePlugin(Plugin):
    """This plugin shows today's international observance.

    It used to fetch data from the website journee-mondiale.com but it is
    regularly broken so it is now loading a static list as a resource. This
    list uses the format "MM-DD Name", one per line, e.g.:

    ```
    01-01 NYE
    08-03 Something the 3rd of August
    12-25 Christmas
    ```

    A list can be found on the UN website but it has to be converted by hand:
    https://www.un.org/en/observances/list-days-weeks
    """

    REQUIRED_CONFIGS = ["commands", "dates", "no_entry_reply"]

    def __init__(self, bot):
        super().__init__(bot)

    def on_pubmsg(self, event):
        if not self.should_handle_command(event.arguments[0], no_content=True):
            return False

        now = datetime.datetime.now()
        date_tag = f"{now.month:02}-{now.day:02}"
        today_obs = map(
            lambda line: line.split(maxsplit=1)[1],
            filter(
                lambda line: line.startswith(date_tag), self.config["dates"]
            ),
        )
        reply = ", ".join(today_obs)
        if not reply:
            reply = self.config["no_entry_reply"]
        self.bot.say(event.target, reply)
        return True