import json
import os
import time
import uuid
from datetime import datetime

import httpx
import pytz

from core.utils import refresh_token_via_rest
from core.config import get_settings

# 2. 使用切片并处理长度不足的情况
def show_last_20(text: str) -> str:
    return text[-20:] if len(text) > 20 else text

async def daily_task():

    """异步每日任务"""
    current_time = datetime.now(pytz.timezone(get_settings().TIMEZONE))
    print(f"执行每日任务: {current_time}")
    # 定时发起聊天会话 签到
    url = 'https://arcane.getmerlin.in/v1/thread/unified'
    ready_refresh_tokens = os.getenv("READY_REFRESH_TOKEN")
    if ready_refresh_tokens:
        ready_tokens_array = ready_refresh_tokens.split(',')
        for e in ready_tokens_array:
            id_token = await refresh_token_via_rest(e)
            print(f'{e} 准备签到: {id_token}')

            request_headers = {**get_settings().HEADERS, 'authorization': f"Bearer {id_token}"} # 从环境变量中获取新的TOKEN

            json_data = {
                "attachments": [],
                "chatId": str(uuid.uuid4()),
                "language": "AUTO",
                "message": {
                    "childId": str(uuid.uuid4()),
                    "content": '介绍二叉树',
                    "context": "",
                    "id": str(uuid.uuid4()),
                    "parentId": 'root'
                },
                "metadata": {
                    "largeContext": False,
                    "merlinMagic": False,
                    "proFinderMode": False,
                    "webAccess": False
                },
                "mode": "UNIFIED_CHAT",
                # "model": "claude-3.5-sonnet"
                "model": 'gpt-4o-mini'
            }
            # 发送 POST 请求并处理流式响应
            with httpx.Client(timeout=httpx.Timeout(30.0)) as client:
                try:
                    with client.stream('POST', url, headers=request_headers, json=json_data) as response:
                        if response.status_code == 200:
                            current_time = datetime.now(pytz.timezone(get_settings().TIMEZONE))
                            # print(f'{id_token}在{current_time} 签到成功')
                            print(f'{show_last_20(id_token)}在{current_time} 签到成功')

                    # for line in response.iter_lines():
                    #     print(line)
                        # if line:
                        #     # 处理每一行数据
                        #     # 通常需要去掉 "data: " 前缀并解析 JSON
                        #     if line and line.startswith('data: '):
                        #         try:
                        #             json_str = line[6:]  # 去掉 "data: " 前缀
                        #             if json_str.strip() == '[DONE]':
                        #                 break
                        #             json_data = json.loads(json_str)
                        #             # 处理 json_data
                        #             if 'choices' in json_data and len(json_data['choices']) > 0:
                        #                 content = json_data['choices'][0].get('delta', {}).get('content', '')
                        #                 if content:
                        #                     print(content, end='', flush=True)
                        #         except json.JSONDecodeError:
                        #             continue
                        #

                except httpx.HTTPStatusError as exc:
                    print(f"HTTP 错误发生: {e}")
                    raise

            time.sleep(30)


async def weekly_report_task():
    """异步每周报告任务"""
    current_time = datetime.now(pytz.timezone(get_settings().TIMEZONE))
    print(f"生成每周报告: {current_time}")
    # 实现异步周报生成逻辑

async def data_cleanup_task():
    """异步数据清理任务"""
    current_time = datetime.now(pytz.timezone(get_settings().TIMEZONE))
    print(f"执行数据清理: {current_time}")
    # 实现异步数据清理逻辑