from __future__ import annotations

import hashlib
from typing import Any


class ConversationID:
    def generate(self, channel_id: str, chat_id: str, thread_id: str = "") -> str:
        raw = f"{channel_id}:{chat_id}:{thread_id}"
        return hashlib.sha256(raw.encode()).hexdigest()[:32]

    def generate_from_context(self, context: dict[str, Any]) -> str:
        channel_id = context.get("channel_id", "")
        chat_id = context.get("chat_id", "")
        thread_id = context.get("thread_id", "")
        return self.generate(channel_id, chat_id, thread_id)