from fastapi import APIRouter, Request, Depends, HTTPException
from fastapi.responses import JSONResponse
from typing import Dict, Any, Optional
from datetime import datetime
from config.error_messages import HTTP_ERROR_MESSAGES, BUSINESS_ERROR_MESSAGES
import logging

# 设置日志
logger = logging.getLogger("app.api")

router = APIRouter(
    prefix="/api/common",
    tags=["通用接口"]
)

@router.get("/health")
async def health_check():
    """健康检查接口"""
    return {
        "status": "ok",
        "time": datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
        "message": "系统运行正常"
    }

@router.get("/error-codes")
async def get_error_codes():
    """获取系统定义的错误码说明"""
    return {
        "http_errors": HTTP_ERROR_MESSAGES,
        "business_errors": BUSINESS_ERROR_MESSAGES
    }

# 通用响应格式化函数
def format_response(data: Any = None, message: str = "操作成功", code: int = 200) -> Dict:
    """
    统一API响应格式
    
    Args:
        data: 响应数据
        message: 响应消息
        code: 响应码
    
    Returns:
        统一格式的响应字典
    """
    return {
        "code": code,
        "message": message,
        "data": data
    }

# 通用错误响应
def error_response(message: str, code: int = 400, data: Optional[Any] = None) -> JSONResponse:
    """
    统一错误响应格式
    
    Args:
        message: 错误消息
        code: 错误码
        data: 错误详情数据
        
    Returns:
        JSONResponse对象
    """
    return JSONResponse(
        status_code=code,
        content=format_response(data=data, message=message, code=code)
    )