import time
from collections import defaultdict


class ModerationManager:
    def __init__(self, limit: int, window: int, ban_duration: int):
        self.limit = limit
        self.window = window
        self.ban_duration = ban_duration
        self.counters: dict[int, list[float]] = defaultdict(list)
        self.bans: dict[int, float] = {}

    def add_message(self, user_id: int) -> None:
        now = time.time()
        self.counters[user_id].append(now)
        self.counters[user_id] = [
            t for t in self.counters[user_id] if now - t <= self.window
        ]

    def is_banned(self, user_id: int) -> bool:
        if user_id in self.bans:
            if time.time() - self.bans[user_id] < self.ban_duration:
                return True
            del self.bans[user_id]
        return False

    def check_and_ban(self, user_id: int) -> bool:
        if len(self.counters.get(user_id, [])) >= self.limit:
            self.bans[user_id] = time.time()
            return True
        return False

    def should_delete(self, user_id: int) -> bool:
        return self.is_banned(user_id)


moderation = ModerationManager(
    limit=25,
    window=60,
    ban_duration=300,
)