import asyncio
# ===== Main.py 顶部放置（所有 import 之前）=====
import os
import sys
from pathlib import Path

from asgiref.wsgi import WsgiToAsgi

from Utils.AiUtils import AiUtils
from Utils.LogManager import LogManager
from hypercorn.asyncio import serve
from hypercorn.config import Config
import sys
from pathlib import Path
from Module.DeviceInfo import DeviceInfo
from Module.FlaskSubprocessManager import FlaskSubprocessManager
from Utils.DevDiskImageDeployer import DevDiskImageDeployer

if "IOSAI_PYTHON" not in os.environ:
    base_path = Path(sys.argv[0]).resolve()
    base_dir = base_path.parent if base_path.is_file() else base_path
    sidecar = base_dir / "python-rt" / ("python.exe" if os.name == "nt" else "python")
    if sidecar.exists():
        os.environ["IOSAI_PYTHON"] = str(sidecar)
# ==============================================

# 确定 exe 或 py 文件所在目录
BASE = Path(getattr(sys, 'frozen', False) and sys.executable or __file__).resolve().parent
LOG_DIR = BASE / "log"
LOG_DIR.mkdir(exist_ok=True)  # 确保 log 目录存在

print(f"日志目录: {LOG_DIR}")

def _run_flask_role():
    from Module.FlaskService import get_app, bootstrap_server_side_effects
    print("Flask Pid:", os.getpid())
    port = int(os.getenv("FLASK_COMM_PORT", "34566"))  # 固定端口的兜底仍是 34567
    app = get_app()
    flaskPort = port + 1
    AiUtils.flask_port_free(flaskPort)
    bootstrap_server_side_effects()

    # 把 WSGI Flask app 包成 ASGI app
    asgi_app = WsgiToAsgi(app)

    # Hypercorn 配置
    # 自动定位 resources 目录
    base_dir = os.path.dirname(os.path.abspath(__file__))     # 当前 py 的目录（Module/）
    project_root = os.path.dirname(base_dir)                  # 回到项目根目录（iOSAi/）
    resource_dir = os.path.join(project_root, "resources")    # 拼到 resources

    config = Config()
    config.bind = [f"0.0.0.0:{flaskPort}"]
    config.alpn_protocols = ["h2"]  # 开 HTTP/2
    config.certfile = os.path.join(resource_dir, "cert.pem")
    config.keyfile = os.path.join(resource_dir, "key.pem")

    print(f"Starting Hypercorn on port {flaskPort} (HTTP/2 enabled)")

    # 开启 HTTP/2
    config.alpn_protocols = ["h2"]

    print(f"Starting Hypercorn on https://localhost:{flaskPort} (HTTP/2 enabled)")
    asyncio.run(serve(asgi_app, config))

if "--role=flask" in sys.argv:
    _run_flask_role()
    sys.exit(0)

# 启动锁
def main(arg):
    if len(arg) != 2 or arg[1] != "iosai":
        sys.exit(0)

# 项目入口
if __name__ == "__main__":

    # 清空日志
    LogManager.clearLogs()

    main(sys.argv)

    # 添加iOS开发包到电脑上
    deployer = DevDiskImageDeployer(verbose=True)
    deployer.deploy_all()

    # 启动 Flask 子进程
    manager = FlaskSubprocessManager.get_instance()
    manager.start()

    # 设备监听（即使失败/很快返回，也不会导致主进程退出）
    try:
        info = DeviceInfo()
        info.listen()
    except Exception as e:
        print("[WARN] Device listener not running:", e)

    # === 保活：阻塞主线程，直到收到 Ctrl+C/关闭 ===
    import threading, time, signal
    stop = threading.Event()

    def _handle(_sig, _frm):
        stop.set()

    # Windows 上 SIGINT/SIGTERM 都可以拦到
    try:
        signal.signal(signal.SIGINT, _handle)
        signal.signal(signal.SIGTERM, _handle)
    except Exception:
        pass  # 某些环境可能不支持，忽略

    try:
        while not stop.is_set():
            time.sleep(1)
    finally:
        # 进程退出前记得把子进程关掉
        manager.stop()