from contextlib import asynccontextmanager
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
import logging
from pathlib import Path

from backend.config import settings
from backend.models import init_db

# 配置日志
settings.LOG_FILE.parent.mkdir(parents=True, exist_ok=True)
logging.basicConfig(
    level=settings.LOG_LEVEL,
    format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
    handlers=[
        logging.FileHandler(settings.LOG_FILE, encoding="utf-8"),
        logging.StreamHandler(),
    ],
)
logger = logging.getLogger(__name__)


@asynccontextmanager
async def lifespan(app: FastAPI):
    """应用生命周期管理"""
    # 启动时执行
    logger.info("正在启动 CheckIn API 服务...")

    # 初始化数据库
    logger.info("正在初始化数据库...")
    init_db()
    logger.info("数据库初始化完成")

    # 确保必要的目录存在
    settings.SESSION_DIR.mkdir(parents=True, exist_ok=True)
    (settings.BASE_DIR / "data").mkdir(parents=True, exist_ok=True)

    # 启动调度器
    logger.info("正在启动调度器...")
    from backend.services.scheduler_service import start_scheduler
    start_scheduler()

    logger.info(f"CheckIn API 服务已启动，版本: {settings.VERSION}")

    yield

    # 关闭时执行
    logger.info("正在关闭 CheckIn API 服务...")
    from backend.services.scheduler_service import stop_scheduler
    stop_scheduler()
    logger.info("CheckIn API 服务已关闭")


# 创建 FastAPI 应用
app = FastAPI(
    title=settings.PROJECT_NAME,
    version=settings.VERSION,
    description="接龙自动打卡系统 API",
    lifespan=lifespan,
)

# 配置 CORS
app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.cors_origins_list,  # 使用属性方法获取列表
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)


# 健康检查端点
@app.get("/health")
async def health_check():
    """健康检查"""
    return {
        "status": "healthy",
        "version": settings.VERSION,
        "service": settings.PROJECT_NAME,
    }


# 根路径
@app.get("/")
async def root():
    """API 根路径"""
    return {
        "message": "欢迎使用接龙自动打卡系统 API",
        "version": settings.VERSION,
        "docs": "/docs",
        "health": "/health",
    }


# 注册路由
from backend.api import auth, users, check_in, admin, tasks, templates
app.include_router(auth.router, prefix=f"{settings.API_PREFIX}/auth", tags=["认证"])
app.include_router(users.router, prefix=f"{settings.API_PREFIX}/users", tags=["用户"])
app.include_router(tasks.router, prefix=f"{settings.API_PREFIX}/tasks", tags=["打卡任务"])
app.include_router(check_in.router, prefix=f"{settings.API_PREFIX}/check_in", tags=["打卡"])
app.include_router(admin.router, prefix=f"{settings.API_PREFIX}/admin", tags=["管理员"])
app.include_router(templates.router, prefix=f"{settings.API_PREFIX}/templates", tags=["任务模板"])


if __name__ == "__main__":
    import uvicorn
    uvicorn.run(
        "main:app",
        host="0.0.0.0",
        port=8000,
        reload=True,
        log_level="info",
    )