import asyncio
import sys

# Windows平台特殊处理，强制使用SelectorEventLoop
if sys.platform.startswith('win'):
    asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())

from typing import Dict, List

from core.config import Config
from core.database import DatabaseManager
from core.logger import setup_logger
from register.register_worker import RegisterWorker
from services.email_manager import EmailManager
from services.fetch_manager import FetchManager
from services.proxy_pool import ProxyPool
from services.token_pool import TokenPool


class CursorRegister:
    def __init__(self):
        self.config = Config.from_yaml()
        self.logger = setup_logger(self.config)
        self.db_manager = DatabaseManager(self.config)
        self.fetch_manager = FetchManager(self.config)
        self.proxy_pool = ProxyPool(self.config, self.fetch_manager)
        self.token_pool = TokenPool(self.config)
        self.email_manager = EmailManager(self.config, self.db_manager)
        self.register_worker = RegisterWorker(
            self.config, 
            self.fetch_manager,
            self.email_manager
        )
        
    async def initialize(self):
        """初始化数据库"""
        await self.db_manager.initialize()
        
    async def cleanup(self):
        """清理资源"""
        await self.db_manager.cleanup()
        
    async def batch_register(self, num: int):
        """批量注册"""
        try:
            self.logger.info(f"开始批量注册 {num} 个账号")
            
            # 1. 先获取token对
            token_pairs = await self.token_pool.batch_generate(num)
            if not token_pairs:
                self.logger.error("获取token失败，终止注册")
                return []
            
            actual_num = len(token_pairs)  # 根据实际获取到的token对数量调整注册数量
            if actual_num < num:
                self.logger.warning(f"只获取到 {actual_num} 对token，将减少注册数量")
                num = actual_num
            
            # 2. 获取邮箱账号
            email_accounts = await self.email_manager.batch_get_accounts(num)
            if len(email_accounts) < num:
                self.logger.warning(f"可用邮箱账号不足，仅获取到 {len(email_accounts)} 个")
                num = len(email_accounts)
            
            # 3. 获取代理
            proxies = await self.proxy_pool.batch_get(num)
            
            # 在关键位置添加详细日志
            self.logger.debug(f"代理列表: {proxies}")
            self.logger.debug(f"邮箱账号: {[a.email for a in email_accounts]}")
            self.logger.debug(f"尝试使用的token对数量: {len(token_pairs)}")
            
            # 4. 创建注册任务
            tasks = []
            for account, proxy, token_pair in zip(email_accounts, proxies, token_pairs):
                task = self.register_worker.register(proxy, token_pair, account)
                tasks.append(task)
            
            # 5. 并发执行
            results = await asyncio.gather(*tasks, return_exceptions=True)
            
            # 6. 处理结果
            successful = []
            failed = []
            skipped = 0
            
            for i, result in enumerate(results):
                if isinstance(result, Exception):
                    self.logger.error(f"注册任务 {i+1} 失败: {str(result)}")
                    failed.append(str(result))
                elif result is None:  # 跳过的账号
                    skipped += 1
                else:
                    try:
                        # 更新数据库
                        await self.email_manager.update_account(
                            result['account_id'],
                            result['cursor_password'],
                            result['cursor_cookie'],
                            result['cursor_jwt']
                        )
                        self.logger.debug(f"更新数据库成功 - 账号ID: {result['account_id']}")
                        successful.append(result)
                    except Exception as e:
                        self.logger.error(f"更新数据库失败 - 账号ID: {result['account_id']}, 错误: {str(e)}")
                        failed.append(str(e))
            
            self.logger.info(f"注册完成: 成功 {len(successful)}, 失败 {len(failed)}, 跳过 {skipped}")
            return successful
            
        except Exception as e:
            self.logger.error(f"批量注册失败: {str(e)}")
            return []
            
    async def _process_results(self, results: List[Dict]):
        """处理注册结果"""
        successful = []
        failed = []
        
        for result in results:
            if isinstance(result, Exception):
                failed.append(str(result))
            else:
                # 更新数据库
                await self.email_manager.update_account(
                    result['account_id'],
                    result['cursor_password'],
                    result['cursor_cookie']
                )
                successful.append(result)
                
        print(f"Successfully registered: {len(successful)}")
        print(f"Failed registrations: {len(failed)}")
        
        return successful


async def main():
    register = CursorRegister()
    await register.initialize()

    try:
        batch_size = register.config.register_config.batch_size
        total_registered = 0
        
        while True:
            # 检查是否还有可用的邮箱账号
            available_accounts = await register.email_manager.batch_get_accounts(1)
            if not available_accounts:
                register.logger.info("没有更多可用的邮箱账号，注册完成")
                break

            # 释放检查用的账号
            await register.email_manager.update_account_status(available_accounts[0].id, 'pending')
            
            # 执行批量注册
            register.logger.info(f"开始新一轮批量注册，批次大小: {batch_size}")
            results = await register.batch_register(batch_size)
            
            # 统计结果
            successful = len(results)
            total_registered += successful
            
            register.logger.info(f"当前总进度: 已注册 {total_registered} 个账号")
            
            # 如果本批次注册失败率过高，暂停一段时间
            if successful < batch_size * 0.5:  # 成功率低于50%
                register.logger.warning("本批次成功率过低，暂停60秒后继续")
                await asyncio.sleep(60)
            else:
                # 正常等待一个较短的时间再继续下一批
                await asyncio.sleep(5)
                
    except Exception as e:
        register.logger.error(f"程序执行出错: {str(e)}")
    finally:
        register.logger.info(f"程序结束，总共成功注册 {total_registered} 个账号")
        await register.cleanup()


if __name__ == "__main__":
    asyncio.run(main())