import subprocess
import sys
import os
import time
import signal

processes = []


def start_fastapi():
    """ 启动 FastAPI 服务 """
    environment = os.environ.get('environment', 'default') 
    if environment == 'default':
        process = subprocess.Popen(["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "80"])
    else:
        process = subprocess.Popen(["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "5000"])
    return process

def start_celery_worker():
    """ 启动 Celery Worker """
    if sys.platform == "win32":
        process = subprocess.Popen(["celery", "-A", "celery_app", "worker", "--loglevel=info", "-P", "solo"],
                                   stdout=None, stderr=None)
    else:
        process = subprocess.Popen(["celery", "-A", "celery_app", "worker", "--loglevel=info"],
                                   stdout=None, stderr=None)
    return process

def start_celery_beat():
    """ 启动 Celery Beat，使用 RedBeat 作为调度器 """
    process = subprocess.Popen(["celery", "-A", "celery_app", "beat", "--scheduler", "redbeat.RedBeatScheduler", "--loglevel=info"],
                               stdout=None, stderr=None)
    return process

if __name__ == "__main__":
    # 启动 FastAPI、Celery Worker 和 Celery Beat
    fastapi_process = start_fastapi()
    celery_worker_process = start_celery_worker()
    celery_beat_process = start_celery_beat()
 
    # 等待子进程完成
    fastapi_process.wait()
    celery_worker_process.wait()
    celery_beat_process.wait()


# def signal_handler(sig, frame):
#     """处理退出信号，确保子进程也被终止"""
#     print('正在关闭所有服务...')
#     for process in processes:
#         process.terminate()  # 尝试优雅终止
    
#     # 给进程一点时间来优雅终止
#     time.sleep(2)
    
#     # 检查是否有进程仍在运行，如果有则强制终止
#     for process in processes:
#         if process.poll() is None:  # 进程仍在运行
#             process.kill()  # 强制终止
    
#     sys.exit(0)

# if __name__ == "__main__":
#     # 注册信号处理程序
#     signal.signal(signal.SIGINT, signal_handler)  # Ctrl+C
#     signal.signal(signal.SIGTERM, signal_handler)  # 终止信号
    
#     # 启动 FastAPI、Celery Worker 和 Celery Beat
#     #fastapi_process = start_fastapi()
#     celery_worker_process = start_celery_worker()
#     celery_beat_process = start_celery_beat()
    
#     # 让主进程保持运行，但不阻塞在特定子进程上
#     try:
#         while True:
#             time.sleep(1)  # 简单地循环等待，让信号处理程序有机会工作
#     except KeyboardInterrupt:
#         pass  # 如果收到 KeyboardInterrupt，信号处理程序会处理