from PWF.Convention.Runtime.Config import *
from PWF.CoreModules.plugin_interface import PluginInterface
from PWF.CoreModules.flags import *
from PWF.Convention.Runtime.Architecture import Architecture
from PWF.Convention.Runtime.GlobalConfig import ProjectConfig
from PWF.Convention.Runtime.Web import ToolURL
from PWF.Convention.Runtime.String import LimitStringLength
import httpx
import re

logger: ProjectConfig = Architecture.Get(ProjectConfig)
MAIN_WEBHOOK_URL = logger.FindItem("main_webhook_url", "")
logger.SaveProperties()


class MessageSender:
    """消息发送器"""
    
    def __init__(self, webhook_url: str):
        """初始化消息发送器
        
        Args:
            webhook_url: Webhook URL
        """
        self.webhook_url = webhook_url
        self.client: Optional[httpx.AsyncClient] = None
    
    async def _get_client(self) -> httpx.AsyncClient:
        """获取HTTP客户端（懒加载）"""
        if self.client is None:
            self.client = httpx.AsyncClient(timeout=10.0)
        return self.client
    
    async def send_message(self, message: Dict[str, Any]) -> bool:
        """发送消息到WPS
        
        Args:
            message: 消息字典
            
        Returns:
            是否发送成功
        """
        try:
            client = await self._get_client()
            response = await client.post(self.webhook_url, json=message)
            
            if response.status_code == 200:
                logger.Log("Info", f"消息发送成功: {message.get('msgtype')}")
                return True
            else:
                logger.Log("Error", f"消息发送失败: status={response.status_code}, body={response.text}")
                return False
                
        except Exception as e:
            logger.Log("Error", f"发送消息异常: {e}")
            return False
    
    async def send_text(self, content: str, at_user_id: Optional[int] = None) -> bool:
        """发送文本消息
        
        Args:
            content: 文本内容
            at_user_id: @用户ID（可选）
            
        Returns:
            是否发送成功
        """
        # 如果需要@人
        if at_user_id:
            content = f'<at user_id="{at_user_id}"></at> {content}'
        
        message = {
            "msgtype": "text",
            "text": {
                "content": content
            }
        }
        return await self.send_message(message)
    
    async def send_markdown(self, text: str) -> bool:
        """发送Markdown消息
        
        Args:
            text: Markdown文本
            
        Returns:
            是否发送成功
        """
        message = {
            "msgtype": "markdown",
            "markdown": {
                "text": text
            }
        }
        return await self.send_message(message)
    
    async def send_link(self, title: str, text: str, 
                       message_url: str = "", btn_title: str = "查看详情") -> bool:
        """发送链接消息
        
        Args:
            title: 标题
            text: 文本内容
            message_url: 跳转URL
            btn_title: 按钮文字
            
        Returns:
            是否发送成功
        """
        message = {
            "msgtype": "link",
            "link": {
                "title": title,
                "text": text,
                "messageUrl": message_url,
                "btnTitle": btn_title
            }
        }
        return await self.send_message(message)
    
    async def close(self):
        """关闭HTTP客户端"""
        if self.client:
            await self.client.aclose()
            self.client = None


class BasicWPSInterface(PluginInterface):
    @override
    def is_enable_plugin(self) -> bool:
        return False

    def get_webhook_url(self, message: str, user_id: int) -> str:
        '''
        根据消息和用户ID获取Webhook URL, 返回空字符串表示不需要回复消息
        Args:
            message: 消息内容
            user_id: 用户ID
        Returns:
            Webhook URL
        '''
        return ""

    def get_webhook_request(self, data:Any|None) -> None:
        pass

    def get_message_sender(self, webhook_url: str) -> MessageSender:
        return MessageSender(webhook_url)

    def get_message_sender_type(self) -> Literal["text", "markdown", "link"]:
        return "markdown"

    def get_message_sender_function(self, webhook_url: str, type: Literal["text", "markdown", "link"]) -> Coroutine[Any, Any, bool]:
        if type == "text":
            return self.get_message_sender(webhook_url).send_text
        elif type == "markdown":
            return self.get_message_sender(webhook_url).send_markdown
        elif type == "link":
            return self.get_message_sender(webhook_url).send_link
        else:
            raise ValueError(f"Invalid message sender type: {type}")
            
    # 机器人名称模式（用于从@消息中提取）
    AT_PATTERN = re.compile(r'@[^\s]+\s+(.+)', re.DOTALL)

    def parse_message_after_at(self, message: str) -> str:
        # 去除首尾空格
        message = message.strip()
        
        # 尝试提取@后的内容
        at_match = BasicWPSInterface.AT_PATTERN.search(message)
        if at_match:
            return at_match.group(1).strip()
        return message

    async def send_markdown_message(self, message: str, chat_id: int, user_id: int) -> str|None:
        webhook_url = self.get_webhook_url(message, user_id)
        if get_internal_debug():
            logger.Log("Info", f"Webhook URL: {webhook_url}, Message: {LimitStringLength(message)}, User ID: {user_id}")
        if webhook_url == "" or webhook_url == None:
            return None

        result = await self.get_message_sender_function(webhook_url, self.get_message_sender_type())(f"""<at user_id="{user_id}"></at>
---
{message}
""")
        if get_internal_verbose():
            logger.Log("Info", f"Webhook URL: {webhook_url}, Message: {LimitStringLength(message)}, Result: {result}")
        return None

    @override
    async def callback(self, message: str, chat_id: int, user_id: int) -> str|None:
        message = self.parse_message_after_at(message)
        if message == "":
            return None
        return await self.send_markdown_message(message, chat_id, user_id)


class WPSAPI(BasicWPSInterface):
    @override
    def is_enable_plugin(self) -> bool:
        if MAIN_WEBHOOK_URL == "":
            logger.Log("Error", f"{ConsoleFrontColor.RED}WPSAPI未配置主Webhook URL{ConsoleFrontColor.RESET}")
        return MAIN_WEBHOOK_URL != ""

    @override
    def get_webhook_url(self, message: str, user_id: int) -> str:
        return MAIN_WEBHOOK_URL

    @override
    def get_webhook_request(self, data:Any|None) -> None:
        return None

    @override
    def wake_up(self) -> None:
        logger.Log("Info", f"{ConsoleFrontColor.GREEN}WPSAPI核心插件已加载{ConsoleFrontColor.RESET}")
        self.register_plugin("say")
        self.register_plugin("说")

logger.SaveProperties()