from supabase import create_client, Client
import os
import logging # 导入logging模块
from fastapi import FastAPI, Request, HTTPException, Depends, status
from dotenv import load_dotenv
from datetime import timezone, timedelta, datetime

load_dotenv()

# Supabase 配置
SUPABASE_URL = os.getenv("SUPABASE_URL")
SUPABASE_KEY = os.getenv("SUPABASE_KEY")

# 配置日志
logger = logging.getLogger(__name__)

def get_supabase_client() -> Client:
    """Initializes and returns a Supabase client instance."""
    return create_client(SUPABASE_URL, SUPABASE_KEY)

supabase: Client = get_supabase_client()

async def get_api_key_info(model: str = None):
    try:
        # 根据用户提供的SQL语句修改，从 'airs_model_api_keys_view' 视图中获取 'api_key'
        if model:
            response = supabase.from_('airs_model_api_keys_view').select('api_key', 'api_key_id').eq('model_name', model).order('api_key_ran_at', desc=False).limit(1).execute()
        else:
            # 如果没有提供model，则获取所有模型的api_key
            raise HTTPException(status_code=400, detail="请提供模型名称！")
        
        if response.data:
            api_key_info = response.data[0]
            # 在返回api_key_info之前，更新其ran_at字段
            await update_api_key_ran_at(api_key_info.get('api_key_id'))
            return api_key_info
        else:
            logger.error(f"未找到模型 '{model}' 的API密钥信息。")
            raise HTTPException(status_code=404, detail=f"未找到模型 '{model}' 的API密钥信息。", headers={"X-Error-Type": "APIKeyNotFound"})
    except HTTPException as e:
        raise e # 重新抛出已有的HTTPException
    except Exception as e:
        logger.error(f"从Supabase获取API密钥失败: {e}")
        raise HTTPException(status_code=500, detail=f"从Supabase获取API密钥失败: {e}", headers={"X-Error-Type": "SupabaseFetchError"})

async def update_api_key_ran_at(api_key_id: str, ran_at_time: datetime = None):
    """
    Updates the 'ran_at' field for a given API key in Supabase.
    If ran_at_time is None, it defaults to the current Beijing time.
    """
    try:
        if ran_at_time is None:
            # 创建北京时间时区对象（UTC+8）
            beijing_tz = timezone(timedelta(hours=8))
            now_beijing = datetime.now(beijing_tz)  # 带时区的datetime对象
            current_local_time = now_beijing.isoformat()
        else:
            current_local_time = ran_at_time.isoformat()

        logger.info(f"尝试更新 API 密钥 {api_key_id} 的 ran_at 为 {current_local_time}")
        response = supabase.table("airs_api_keys").update({"ran_at": current_local_time}).eq("id", api_key_id).execute()
        logger.info(f'API 密钥 {api_key_id} 的 ran_at 更新成功为 {current_local_time}. ')

        # 验证更新是否成功
        verification_response = supabase.from_('airs_api_keys').select('ran_at').eq('id', api_key_id).single().execute()
        verified_ran_at = verification_response.data.get('ran_at')
        logger.info(f"验证：API 密钥 {api_key_id} 的实际 ran_at 值为 {verified_ran_at}")

    except Exception as e:
        logger.error(f"更新API密钥运行时间失败！错误信息：{str(e)}")
        raise HTTPException(status_code=500, detail=f"更新API密钥运行时间失败！错误信息：{str(e)}")