import os
from fastmcp import FastMCP
from spider.mail_qq import start as start_mail_qq_spider
import asyncio
import json
from typing import Optional
import subprocess 
import logging


logging.basicConfig(level=logging.INFO)
# 日志会输出到 stderr，不会污染 stdout
logging.info("服务器启动")
mcp = FastMCP("spider-server")

VNC_SERVER_HOST = "https://10.10.40.19:6080"
# SHELL_DIR = "/home/dgs/vnc-server"
SHELL_DIR = "./bin"
# @mcp.tool()
async def mail_qq_spider(account: str,display: int) -> str:
    """qq邮箱爬虫,第一个参数是用户名
    Args:
        account: qq邮箱用户名
        display: 显示桌面编号
    Returns:
        str: 爬虫结果
    """
    data={"display": display}
    try:
        result = await asyncio.to_thread(start_mail_qq_spider, account,display)
        data["status"] = 200
        data["result"] = result
        return json.dumps(data, ensure_ascii=False)
    except Exception as e:
        data["status"] = 500
        return json.dumps(data, ensure_ascii=False)
    
@mcp.tool()
async def start_xvnc_server(instance: int = 1, password: str = "123456") -> str:
    """启动独立的 VNC + Chrome 实例
    
    Args:
        instance: 实例编号 (1-10)，会自动计算显示编号和端口
                 实例1: display=99, VNC端口=5900
                 实例2: display=100, VNC端口=5901
                 以此类推
        password: VNC 连接密码，默认 123456
    
    Returns:
        包含实例信息的 JSON 字符串
    """
    data = {
        "instance": instance,
        "status": 200,
        "action": "start"
    }
    
    try:
        # 调用 browser-vnc.sh 脚本
        process = await asyncio.create_subprocess_exec(
            f"{SHELL_DIR}/start-vnc.sh",
            "start",
            str(instance),
            password,
            stdout=asyncio.subprocess.PIPE,
            stderr=asyncio.subprocess.PIPE
        )
        
        stdout, stderr = await process.communicate()
        output = stdout.decode()
        
        if process.returncode == 0:
            # 解析输出获取信息
            public_ip = subprocess.getoutput("hostname -I | awk '{print $1}'")
            vnc_port = 5900 + (instance - 1)
            display_num = 98 + instance
            
            data["message"] = output
            data["vnc_url"] = f"{VNC_SERVER_HOST}/vnc_lite.html?path=?token=user{instance}"
            data["vnc_port"] = vnc_port
            data["display"] = display_num
            data["password"] = password
            data["public_ip"] = public_ip.strip()
        else:
            data["status"] = 500
            data["message"] = stderr.decode() or output or "Unknown error"
        
        return json.dumps(data, ensure_ascii=False)
        
    except Exception as e:
        data["status"] = 500
        data["message"] = str(e)
        return json.dumps(data, ensure_ascii=False)


@mcp.tool()
async def stop_xvnc_server(instance: int = 1, keep_data: bool = False) -> str:
    """停止指定的 VNC 实例
    
    Args:
        instance: 实例编号 (1-10)
        keep_data: 是否保留用户数据，默认 False（删除数据）
    
    Returns:
        操作结果
    """
    data = {
        "instance": instance,
        "status": 200,
        "action": "stop",
        "keep_data": keep_data
    }
    
    try:
        # 选择命令：stop 或 stop-keep-data
        cmd = "stop-keep-data" if keep_data else "stop"
        
        process = await asyncio.create_subprocess_exec(
            f"{SHELL_DIR}/browser-vnc.sh",
            cmd,
            str(instance),
            stdout=asyncio.subprocess.PIPE,
            stderr=asyncio.subprocess.PIPE
        )
        
        stdout, stderr = await process.communicate()
        output = stdout.decode()
        
        if process.returncode == 0:
            data["message"] = output
        else:
            data["status"] = 500
            data["message"] = stderr.decode() or output or "Unknown error"
        
        return json.dumps(data, ensure_ascii=False)
        
    except Exception as e:
        data["status"] = 500
        data["message"] = str(e)
        return json.dumps(data, ensure_ascii=False)

@mcp.tool()
async def cleanup_xvnc_data(instance: Optional[int] = None) -> str:
    """清理 VNC 实例的用户数据
    
    Args:
        instance: 实例编号，如果为 None 则清理所有实例的数据
    
    Returns:
        操作结果
    """
    data = {
        "status": 200,
        "action": "cleanup"
    }
    
    try:
        if instance is not None:
            # 清理指定实例
            process = await asyncio.create_subprocess_exec(
                f"{SHELL_DIR}/browser-vnc.sh",
                "cleanup",
                str(instance),
                stdout=asyncio.subprocess.PIPE,
                stderr=asyncio.subprocess.PIPE
            )
            data["instance"] = instance
        else:
            # 清理所有实例
            process = await asyncio.create_subprocess_exec(
                f"{SHELL_DIR}/browser-vnc.sh",
                "cleanup-all",
                stdout=asyncio.subprocess.PIPE,
                stderr=asyncio.subprocess.PIPE
            )
        
        stdout, stderr = await process.communicate()
        output = stdout.decode()
        
        if process.returncode == 0:
            data["message"] = output
        else:
            data["status"] = 500
            data["message"] = stderr.decode() or output or "Unknown error"
        
        return json.dumps(data, ensure_ascii=False)
        
    except Exception as e:
        data["status"] = 500
        data["message"] = str(e)
        return json.dumps(data, ensure_ascii=False)
@mcp.tool()
async def start_vnc_server(display: int) -> str:
    """启动VNC服务
    
    Args:
        display: VNC 显示编号
    """
    data={"display": display}
    try:
        # 调用外部 start_vnc_server.sh 脚本，传入 index 作为参数
        process = await asyncio.create_subprocess_exec(
            f"{SHELL_DIR}/start_vnc_server.sh",
            str(display),
            stdout=asyncio.subprocess.PIPE,
            stderr=asyncio.subprocess.PIPE
        )
        stdout, stderr = await process.communicate()
        data["message"] = stdout.decode()
        data["status"] = 200 if process.returncode == 0 else 500
        
        if process.returncode == 0:
            data["vnc_url"] = f"{VNC_SERVER_HOST}/vnc_lite.html?path=?token=user{display}"
            return json.dumps(data, ensure_ascii=False)
        else:
            return json.dumps(data, ensure_ascii=False)
    except Exception as e:
            data["status"] = 500
            return json.dumps(data, ensure_ascii=False)

@mcp.tool()
async def start_spider(spider_code: str,display: str) -> str:
    """启动爬虫
    
    Args:
        spider_code: 爬虫代码
        display: 显示桌面编号
    """
    data={"display": display}
    try:
        # 调用外部 start_spider.sh 脚本，传入 spider_code 作为参数
        process = await asyncio.create_subprocess_exec(
            f"{SHELL_DIR}/start_spider.sh",
            spider_code,
            display,
            stdout=asyncio.subprocess.PIPE,
            stderr=asyncio.subprocess.PIPE
        )
        stdout, stderr = await process.communicate()
        data["message"] = stdout.decode()
        data["status"] = 200 if process.returncode == 0 else 500
        if process.returncode == 0:
            return json.dumps(data, ensure_ascii=False)
        else:
            return json.dumps(data, ensure_ascii=False)
    except Exception as e:
        data["status"] = 500
        return json.dumps(data, ensure_ascii=False)

@mcp.tool()
async def close_vnc_server(display: int) -> str:
    """关闭 VNC 服务
      Args:
        display: VNC 显示编号
    """
    data={"display": display}
    try:
        # 调用外部 close_vnc_server.sh 脚本，传入 display 作为参数
        process = await asyncio.create_subprocess_exec(
            f"{SHELL_DIR}/close_vnc_server.sh",
            str(display),
            stdout=asyncio.subprocess.PIPE,
            stderr=asyncio.subprocess.PIPE
        )
        stdout, stderr = await process.communicate()
        data["message"] = stdout.decode()
        data["status"] = 200 if process.returncode == 0 else 500
        if process.returncode == 0:
            return json.dumps(data, ensure_ascii=False)
        else:
            return json.dumps(data, ensure_ascii=False)
    except Exception as e:
        data["status"] = 500
        return json.dumps(data, ensure_ascii=False)

@mcp.resource("data://spider_code")
def get_spider_code_list() -> str:
    spider_list = [
        {"code": "01","name": "阳光采购爬虫","auth_name":"mail"},
        {"code": "02","name": "QQ邮箱爬虫","auth_name":"mail"},
    ]
    return json.dumps(spider_list, ensure_ascii=False)
# 运行服务器
if __name__ == "__main__":
    mcp.run(transport="sse")
    # mcp.run(transport="stdio")