"""Microsoft Teams 会话路由辅助。

提供 conversation_id 解析、chat_type 判断和 thread_id 生成规则。
"""

from __future__ import annotations


def determine_chat_type(conversation_type: str) -> str:
    mapping = {
        "personal": "direct",
        "channel": "group",
        "groupChat": "group",
    }
    return mapping.get(conversation_type, "direct")


def resolve_channel_chat_id(
    conversation_type: str,
    conversation_id: str,
    aad_object_id: str = "",
    channel_data: dict | None = None,
) -> str:
    if conversation_type == "personal":
        return f"personal_{aad_object_id}" if aad_object_id else conversation_id
    if conversation_type == "channel":
        channel_id = ""
        if channel_data:
            channel_id = (channel_data.get("channel") or {}).get("id", "")
        return f"channel_{channel_id}" if channel_id else conversation_id
    if conversation_type == "groupChat":
        return f"group_{conversation_id}"
    return conversation_id


def resolve_thread_id(
    agent_id: str,
    conversation_type: str,
    aad_object_id: str = "",
    channel_data: dict | None = None,
    reply_to_id: str = "",
) -> str:
    if conversation_type == "personal" and aad_object_id:
        base = f"agent:{agent_id}:msteams:personal:{aad_object_id}"
    elif conversation_type == "channel":
        channel_id = ""
        if channel_data:
            channel_id = (channel_data.get("channel") or {}).get("id", "")
        base = f"agent:{agent_id}:msteams:channel:{channel_id}"
    elif conversation_type == "groupChat":
        base = f"agent:{agent_id}:msteams:group:{aad_object_id or 'unknown'}"
    else:
        base = f"agent:{agent_id}:msteams:unknown"

    if reply_to_id and conversation_type != "personal":
        return f"{base}:thread:{reply_to_id}"
    return base