import uvicorn
import time
import os
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware

# 原有业务导入
from core.all import load_model
from ds.config import SERVER_CONFIG
from middle.error_handler import global_exception_handler
from service.user_service import router as user_router
from service.sensitive_service import router as sensitive_router
from service.face_service import router as face_router
from service.device_service import router as device_router
from service.model_service import router as model_router
from service.file_service import router as file_router
from service.device_danger_service import router as device_danger_router
from ws.ws import ws_router, lifespan
from core.establish import create_directory_structure

# 初始化 FastAPI 应用
app = FastAPI(
    title="内容安全审核后台",
    description="含图片访问服务和动态模型管理",
    version="1.0.0",
    lifespan=lifespan
)

ALLOWED_ORIGINS = [
    "*"
]

# 配置 CORS 中间件
app.add_middleware(
    CORSMiddleware,
    allow_origins=ALLOWED_ORIGINS,        # 允许的前端域名
    allow_credentials=True,               # 允许携带 Cookie
    allow_methods=["*"],                  # 允许所有 HTTP 方法
    allow_headers=["*"],                  # 允许所有请求头
)

# 注册路由
app.include_router(user_router)
app.include_router(device_router)
app.include_router(face_router)
app.include_router(sensitive_router)
app.include_router(model_router)
app.include_router(file_router)
app.include_router(device_danger_router)
app.include_router(ws_router)

# 注册全局异常处理器
app.add_exception_handler(Exception, global_exception_handler)

# 主服务启动入口
if __name__ == "__main__":
    create_directory_structure()
    print(f"[初始化] 目录结构创建完成")

    # 创建模型保存目录
    MODEL_SAVE_DIR = os.path.join("core", "models")
    os.makedirs(MODEL_SAVE_DIR, exist_ok=True)
    print(f"[初始化] 模型保存目录：{MODEL_SAVE_DIR}")

    # 确保图片目录存在（原Flask服务负责的目录）
    BASE_IMAGE_DIR = os.path.abspath(os.path.join("resource", "dect"))
    if not os.path.exists(BASE_IMAGE_DIR):
        print(f"[初始化] 图片根目录不存在，创建：{BASE_IMAGE_DIR}")
        os.makedirs(BASE_IMAGE_DIR, exist_ok=True)

    # 加载检测模型
    try:
        load_success = load_model()
        if load_success:
            print(f"[初始化] 检测模型加载完成")
        else:
            print(f"[初始化] 未找到默认模型，可通过API上传并设置默认模型")
    except Exception as e:
        print(f"[初始化] 模型加载警告：{str(e)}（服务仍启动）")

    # 启动 FastAPI 主服务（仅使用8000端口）
    port = int(SERVER_CONFIG.get("port", 8000))
    print(f"\n[FastAPI 服务] 准备启动，端口：{port}")
    print(f"[FastAPI 服务] 接口文档：http://服务器IP:{port}/docs\n")

    uvicorn.run(
        app="main:app",
        host="0.0.0.0",
        port=port,
        workers=1,
        ws="websockets",
        reload=False
    )