"""
FastAPI应用入口 - 技术框架
增强功能：API接口日志记录，记录入参密文、入参明文、出参明文、出参密文
"""
from fastapi import FastAPI, Request
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import JSONResponse
from app.core.logger import setup_logger
from app.utils.exceptions import BusinessException

# 设置日志
logger = setup_logger()

# 创建FastAPI应用
app = FastAPI(
    title="游铛铛客户端API",
    description="游铛铛产品客户端技术框架 - 增强API日志记录功能",
    version="1.0.0",
    docs_url="/docs",
    redoc_url="/redoc",
)

# CORS配置
app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# 添加增强的API日志中间件（记录入参出参的明文和密文）
from app.middleware.logging import APILoggingASGIMiddleware
app.add_middleware(APILoggingASGIMiddleware)

# 异常处理
from fastapi import HTTPException

@app.exception_handler(HTTPException)
async def http_exception_handler(request: Request, exc: HTTPException):
    """统一处理HTTPException，返回前端期望的格式"""
    return JSONResponse(
        status_code=exc.status_code,
        content={"code": exc.status_code, "msg": exc.detail}
    )

@app.exception_handler(BusinessException)
async def business_exception_handler(request: Request, exc: BusinessException):
    return JSONResponse(
        status_code=200,
        content={"code": exc.code, "msg": exc.msg}
    )

@app.exception_handler(Exception)
async def general_exception_handler(request: Request, exc: Exception):
    logger.error("未处理的异常", exc_info=True)
    return JSONResponse(
        status_code=500,
        content={"code": 500, "msg": "服务器内部错误"}
    )

@app.get("/")
async def root():
    """根路径"""
    return {"message": "游铛铛客户端API", "version": "1.0.0"}

@app.get("/health")
async def health():
    """健康检查"""
    return {"status": "ok"}

# 注册API路由
from app.api import api_router
app.include_router(api_router, prefix="/api")

if __name__ == "__main__":
    import uvicorn
    uvicorn.run(app, host="0.0.0.0", port=9000)