# -*- coding: utf-8 -*-
"""启动一个无界面的被控端，供 Java 客户端联调测试使用。

用法: python run_stub_server.py --port 8799 --code-file <path>
启动后会把配对码写入 code-file，并持续运行直到被终止。
"""
from __future__ import annotations

import argparse
import sys
import tempfile
import threading
import time
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parent))

from stub_support import StubUI, make_stub_actions          # noqa: E402
from lanremote.config import Store                          # noqa: E402
from lanremote.server import RemoteServer                   # noqa: E402


def main() -> int:
    parser = argparse.ArgumentParser()
    parser.add_argument("--port", type=int, default=8799)
    parser.add_argument("--code-file", required=True)
    parser.add_argument("--data-dir")
    args = parser.parse_args()

    data = Path(args.data_dir) if args.data_dir else Path(tempfile.mkdtemp(prefix="lr_stub_"))
    store = Store(data)
    store.set("port", args.port)
    store.set("allow_run", True)
    store.set("allow_power", True)
    # 固定配对码，便于联调复现
    store.settings["pairing_code"] = "246813"
    store.save_settings()

    ui = StubUI()
    server = RemoteServer(store, make_stub_actions(ui, store), ui=ui)
    server.start()

    # 把替身界面收到的日志实时打到 stdout，便于联调时核对
    def log_dumper() -> None:
        seen = 0
        while True:
            time.sleep(0.3)
            while seen < len(ui.logs):
                print(f"SRVLOG {ui.logs[seen]}", flush=True)
                seen += 1

    threading.Thread(target=log_dumper, daemon=True).start()

    Path(args.code_file).write_text("246813", encoding="utf-8")
    print(f"STUB_READY port={args.port} code=246813", flush=True)

    # 模拟「用户在电脑上自己复制了东西」，用于验证服务端主动推送通道。
    # 注意：客户端自己调用 clip_set 设置的内容不会回推（避免回声），
    # 所以必须由本地侧产生变化才能触发 clip 事件。
    stop_flag = threading.Event()

    def clip_churner() -> None:
        counter = 0
        while not stop_flag.is_set():
            time.sleep(3.0)
            counter += 1
            ui.clipboard = f"PC本地复制的内容-{counter}"

    threading.Thread(target=clip_churner, daemon=True).start()

    try:
        while True:
            time.sleep(1.0)
    except KeyboardInterrupt:
        pass
    finally:
        stop_flag.set()
        server.stop()
    return 0


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