from app import app
from datetime import datetime, timedelta
import time
import threading
from flask import request, jsonify
import utils.globals as globals
from utils.globals import *
from utils.tools import *



def is_main_process():
    import os
    return os.environ.get('WERKZEUG_RUN_MAIN') != 'true'

current_timer = None
timer_lock = threading.Lock()

def schedule_next_refresh():
    if not is_main_process():
        print("在 reloader 进程中，跳过定时器设置")
        return
        
    global current_timer
    
    with timer_lock:
        if globals.auto_refresh_config['auto_refresh_enabled']:
            if current_timer:
                current_timer.cancel()
                
            next_refresh = datetime.now() + timedelta(days=globals.auto_refresh_config['refresh_interval_days'])
            globals.auto_refresh_config['next_refresh_time'] = next_refresh.isoformat()
            save_auto_refresh_config(globals.auto_refresh_config)

            current_timer = threading.Timer(
                (next_refresh - datetime.now()).total_seconds(), 
                auto_refresh_tokens
            )
            current_timer.start()

def auto_refresh_tokens():

    print('开始自动刷新')
    new_access_tokens = refresh_access_tokens()

    # 更新刷新历史
    update_refresh_history(len(new_access_tokens))

    # 添加延时，确保两次刷新之间有足够间隔
    time.sleep(2)  # 等待1秒

    # 刷新完成后，调度下一次刷新
    schedule_next_refresh()

# 更新刷新历史
def update_refresh_history(token_count):

    globals.refresh_history.append({
        "timestamp": datetime.now().isoformat(),
        "token_count": token_count
    })

    # 保留最近的 5 条记录
    globals.refresh_history = globals.refresh_history[-5:]

    save_refresh_history(globals.refresh_history)

# 设定定时任务
@app.route('/set_auto_refresh', methods=['POST'])
@admin_required
def set_auto_refresh():
    data = request.json

    # 取消现有的定时任务
    globals.auto_refresh_config['auto_refresh_enabled'] = data['enabled']
    globals.auto_refresh_config['refresh_interval_days'] = data['interval']
    save_auto_refresh_config(globals.auto_refresh_config)

    if globals.auto_refresh_config['auto_refresh_enabled']:
        schedule_next_refresh()

    return jsonify({"status": "success", "message": "自动刷新设置已更新"})

# 加载定时任务配置信息
@app.route('/get_auto_refresh_config', methods=['GET'])
def get_auto_refresh_config():
    return jsonify(globals.auto_refresh_config)

# 在应用启动时调用这个函数
def init_auto_refresh():
    if not is_main_process():
        print("在 reloader 进程中，跳过定时器初始化")
        return
        
    print(f"在主进程中初始化自动刷新, 当前时间: {datetime.now()}")

    if globals.auto_refresh_config['auto_refresh_enabled'] and globals.auto_refresh_config['next_refresh_time']:
        next_refresh = datetime.fromisoformat(globals.auto_refresh_config['next_refresh_time'])
        
        if next_refresh > datetime.now():
            delay_seconds = (next_refresh - datetime.now()).total_seconds()
            print(f"设置初始定时器, 延迟秒数: {delay_seconds}")
            
            global current_timer
            with timer_lock:
                current_timer = threading.Timer(delay_seconds, auto_refresh_tokens)
                current_timer.start()
        else:
            schedule_next_refresh()

# 在应用启动时调用
init_auto_refresh()


# 删除gpt过期用户
def delete_expired_users():
    print('开始检查并清理过期用户bind_token')
    
    # 获取当前时间
    now = datetime.now()
    active_users = []
    # 遍历 globals.users 来检查用户的过期时间
    for user in globals.users:
        # 如果 expiration_time 字段为空，跳过此用户
        if user.get('expiration_time')=="":
            active_users.append(user)
            continue
        
        try:
            # 转换 expiration_time 为 datetime 对象
            expiration_time = datetime.fromisoformat(user['expiration_time'])
        except ValueError:
            print(f"无效的过期时间格式，跳过用户 {user['username']}")
            active_users.append(user)
            continue
        
        
        # 如果过期时间小于当前时间，设置 expiration_time 为空
        if expiration_time < now:
            user['expiration_time'] = ""
            user['bind_email'] = ''
            user['bind_token'] = ''
            del_seedmap(user['id'])
            active_users.append(user)
            print(f"用户 {user['username']} 的过期时间已到，清除该用户绑定的token")
        else:
            active_users.append(user)

            
    globals.users = active_users
    save_users(globals.users)
    # 打印处理结果
    print(f"过期用户的bind_token已设置为空")
    
    # 调度下一次检查
    schedule_next_user_cleanup()

# 删除claude过期用户
def delete_expired_users_claude():
    print('开始检查并清理过期用户bind_token')
    
    # 获取当前时间
    now = datetime.now()
    active_users = []
    # 遍历 globals.users 来检查用户的过期时间
    for user in globals.users:
        # 如果 claude_expiration_time 字段为空，跳过此用户
        if user.get('claude_expiration_time')=="":
            active_users.append(user)
            continue
        
        try:
            # 转换 claude_expiration_time 为 datetime 对象
            claude_expiration_time = datetime.fromisoformat(user['claude_expiration_time'])
        except ValueError:
            print(f"无效的过期时间格式，跳过用户 {user['username']}")
            active_users.append(user)
            continue
        
        
        # 如果过期时间小于当前时间，设置 claude_expiration_time 为空
        if claude_expiration_time < now:
            user['claude_expiration_time'] = ""
            user['bind_claude_email'] = ''
            user['bind_claude_token'] = ''
            active_users.append(user)
            print(f"用户 {user['username']} 的过期时间已到，清除该用户绑定的token")
        else:
            active_users.append(user)

            
    globals.users = active_users
    save_users(globals.users)
    # 打印处理结果
    print(f"过期用户的bind_token已设置为空")
    
    # 调度下一次检查
    schedule_next_user_cleanup_claude()


# 设定gpt定时任务
def schedule_next_user_cleanup():
    # 设定检查过期用户的时间间隔，例如每天检查一次
    next_check = datetime.now() + timedelta(days=1)
    delay_seconds = (next_check - datetime.now()).total_seconds()
    
    # 使用 threading.Timer 启动定时器
    threading.Timer(delay_seconds, delete_expired_users).start()

# 设定claude定时任务
def schedule_next_user_cleanup_claude():
    # 设定检查过期用户的时间间隔，例如每23小时检查一次
    next_check = datetime.now() + timedelta(minutes=1380)
    delay_seconds = (next_check - datetime.now()).total_seconds()
    
    # 使用 threading.Timer 启动定时器
    threading.Timer(delay_seconds, delete_expired_users_claude).start()


# 在应用启动时调用
def init_user_cleanup():
    print(f"在应用启动时初始化用户清理任务, 当前时间: {datetime.now()}")
    # 启动定时器，开始检查过期用户
    schedule_next_user_cleanup()
    schedule_next_user_cleanup_claude()


# 初始化用户清理任务
init_user_cleanup()


# 手动刷新access token
@app.route('/refresh_tokens', methods=['POST'])
@admin_required
def refresh_tokens():
    try:
        # 调用刷新 access_token 的函数
        new_access_tokens = refresh_access_tokens()
        update_refresh_history(len(new_access_tokens))
        
        return jsonify({
            "status": "success",
            "access_tokens": new_access_tokens
        }), 200
    except Exception as e:
        return jsonify({
            "status": "error",
            "message": str(e)
        }), 500