#!/usr/bin/env python
import os
import sys
import signal
import socket

# ====== 系统级路径配置 ======
def setup_python_path():
    # 获取目录结构
    manage_dir = os.path.dirname(os.path.abspath(__file__))          # wtoaamapi/
    wtoaam_dir = os.path.dirname(manage_dir)                        # WTOAAM/
    project_root = os.path.dirname(wtoaam_dir)                      # GitExample/

    # 添加所有必要的搜索路径（按优先级排序）
    paths_to_add = [
        project_root,                          # GitExample/
        wtoaam_dir,                            # WTOAAM/
        os.path.join(wtoaam_dir, 'common'),    # WTOAAM/common/
        os.path.join(wtoaam_dir, 'utils'),     # WTOAAM/utils/
        os.path.join(wtoaam_dir, 'wtoaamapi'), # WTOAAM/wtoaamapi/
        os.path.join(wtoaam_dir, 'dataContract'), # 添加 dataContract 路径
        os.path.join(wtoaam_dir, 'dataAnalysisBehavior'), # 添加 behavior 模块路径
        os.path.join(wtoaam_dir, 'dataAnalysisService') # 添加 service 模块路径
    
    ]

    # 添加路径到 sys.path（按顺序添加，不重复）
    for path in paths_to_add:
        if path not in sys.path:
            sys.path.insert(0, path)  # 插入到最前面保证优先级

    return manage_dir, wtoaam_dir, project_root

# ====== 初始化路径配置 ======
manage_dir, wtoaam_dir, project_root = setup_python_path()

# ====== 打印调试信息 ======
def print_debug_info():
    print("Current working directory:", os.getcwd())
    print("\n===== Python路径配置 =====")
    for p in sys.path[:15]:  # 打印更多路径以便查看
        print(p)
    print("...\n=======================")

print_debug_info()

# ====== 安全导入自定义模块 ======
try:
    from common.appConfig import GetLogger
    from utils.directoryUtil import DirectoryUtil
except ImportError as e:
    print(f"\n!!! 关键错误: 导入失败 !!!")
    print(f"错误详情: {e}")
    print("请检查以下文件是否存在:")
    print(f"1. {os.path.join(wtoaam_dir, 'common/appConfig.py')}")
    print(f"2. {os.path.join(wtoaam_dir, 'utils/directoryUtil.py')}")
    sys.exit(1)

def get_ip_address():
    """Get the IP address of the current machine."""
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    try:
        s.connect(('10.254.254.254', 1))
        ip_address = s.getsockname()[0]
    except Exception:
        ip_address = '127.0.0.1'
    finally:
        s.close()
    return ip_address

def customSignalHandler(signal, frame):
    ip_address = get_ip_address()
    msg1 = f'Custom signal handler: Cleanup operations can be done here.'
    msg2 = f'The IP address of this machine is: {ip_address}'
    print(msg1)
    logger = GetLogger()
    logger.warning(msg1)
    logger.warning(msg2)
    sys.exit(0)

def main():
    # ====== 1. 先初始化日志目录 ======
    logDirectory = "log"
    if not DirectoryUtil.check_directory_exists(logDirectory):
        DirectoryUtil.create_directory(logDirectory)

    # ====== 2. 配置Django环境 ======
    # 方案A：如果settings.py在 wtoaamapi/wtoaamapi/settings.py
    settings_dir = os.path.join(manage_dir, 'wtoaamapi')
    # 方案B：如果settings.py直接在 wtoaamapi/settings.py
    # settings_dir = manage_dir  

    # 添加settings目录到路径（如果需要）
    if settings_dir not in sys.path:
        sys.path.insert(0, settings_dir)

    # 设置Django配置
    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'wtoaamapi.wtoaamapi.settings')
    
    try:
        # 必须先导入django再执行setup()
        import django
        django.setup()  # 初始化Django
        
        from django.core.management import execute_from_command_line
    except ImportError as exc:
        # 增强错误信息
        current_paths = "\n".join(sys.path)
        raise ImportError(
            f"Couldn't import Django. Please check:\n"
            f"1. Django安装: pip show django\n"
            f"2. 虚拟环境: {sys.prefix}\n"
            f"3. 当前Python路径:\n{current_paths}\n"
            f"4. Settings文件位置: {settings_dir}/settings.py"
        ) from exc
    
    # ====== 3. 注册信号处理器 ======
    signal.signal(signal.SIGINT, customSignalHandler)
    signal.signal(signal.SIGTERM, customSignalHandler)

    execute_from_command_line(sys.argv)

if __name__ == '__main__':
    main()