#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""专题四 · 步骤 4 · 修改后：替换 chat.py 的 _ensure_system_first 为合并逻辑。"""
from __future__ import annotations

import sys

import _bootstrap  # noqa: F401
import _config as C
import _plugin_patch as P
from dify_api import Dify


def main() -> int:
    d = Dify(C.DIFY_EMAIL, C.DIFY_PASSWORD)
    try:
        d.login()
        chat_path = P.find_plugin_file(d, "chat.py")
        print("chat.py:", chat_path)
        content = P.read_remote_file(d, chat_path)
        new_content = P.replace_function(content, "_ensure_system_first", P.ENSURE_SYSTEM_FIRST)
        P.deploy_plugin_file(d, chat_path, new_content)
        print("已应用合并 system 补丁并重启 plugin_daemon")
        return 0
    finally:
        d.close()


if __name__ == "__main__":
    sys.exit(main())