import json
from sqlite3 import Cursor
from typing import TypedDict, Optional


class MsgHistoryModel(TypedDict):
    wx_wxid: str
    sender: str
    roomid: str
    messages: str


def msg_history_get(cur: Cursor, wx_wxid: str, sender: Optional[str], roomid: Optional[str]) -> list:
    # 查询历史消息
    fields = ["wx_wxid"]
    params = [wx_wxid]

    if roomid:
        fields.append("roomid")
        params.append(roomid)

    if sender:
        fields.append("sender")
        params.append(sender)

    query = f"SELECT * FROM msg_history WHERE {' AND '.join([f'{field} = ?' for field in fields])} LIMIT 1"
    cur.execute(query, params)
    result = cur.fetchone()
    if result is None:
        fields = ["wx_wxid", "messages"]
        values = [wx_wxid, "[]"]

        if roomid is not None:
            fields.append("roomid")
            values.append(roomid)

        if sender is not None:
            fields.append("sender")
            values.append(sender)

        operation = f"INSERT INTO msg_history ({', '.join(fields)}) VALUES ({', '.join(['?' for _ in fields])})"
        cur.execute(operation, values)
        content = []
    else:
        content = json.loads(result[3])

    return content


def msg_history_update(cur: Cursor, wx_wxid: str, history_messages: list, sender: Optional[str],
                       roomid: Optional[str]):
    messages_str = json.dumps(history_messages[-5:])

    fields = ["wx_wxid"]
    params = [messages_str, wx_wxid]

    if roomid:
        fields.append("roomid")
        params.append(roomid)

    if sender:
        fields.append("sender")
        params.append(sender)

    update_query = f"UPDATE msg_history SET messages = ? WHERE {' AND '.join([f'{field} = ?' for field in fields])}"

    cur.execute(update_query, params)