import base64
import json
import os
import subprocess
import winreg
from typing import Optional, Literal

import pythoncom
import win32com
from win32com.client import Dispatch
from tools.logger_handle import logger

WPSComponent = Literal['wps', 'et', 'wpp']  # wps=文字, et=表格, wpp=演示


def get_wps_exe_path(component: WPSComponent = 'wps') -> Optional[str]:
    """
    获取 WPS 各组件的 exe 路径
    :param component: 'wps' 文字, 'et' 表格, 'wpp' 演示
    :return: 组件的绝对路径，未找到则返回 None
    """
    # 组件对应的可执行文件名
    exe_map = {
        'wps': 'wps.exe',
        'et': 'et.exe',
        'wpp': 'wpp.exe'
    }
    exe_name = exe_map.get(component)
    if not exe_name:
        return None

    # WPS 在注册表中的可能路径（与之前相同）
    wps_reg_paths = [
        (winreg.HKEY_LOCAL_MACHINE, r"SOFTWARE\Kingsoft\Office\6.0\common"),
        (winreg.HKEY_LOCAL_MACHINE, r"SOFTWARE\WOW6432Node\Kingsoft\Office\6.0\common"),
        (winreg.HKEY_CURRENT_USER, r"SOFTWARE\Kingsoft\Office\6.0\common")
    ]

    for hkey, subkey in wps_reg_paths:
        try:
            key = winreg.OpenKey(hkey, subkey, 0, winreg.KEY_READ)
            install_root, _ = winreg.QueryValueEx(key, "InstallRoot")
            winreg.CloseKey(key)
            # 拼接 office6 目录下的组件 exe
            component_path = os.path.join(install_root, "office6", exe_name)
            if os.path.isfile(component_path):
                return component_path
        except (FileNotFoundError, OSError, WindowsError):
            continue
    return None

def get_ms_office_exe_path(application: str) -> Optional[str]:
    """
    获取 Microsoft Office 组件路径
    :param application: 'Word', 'Excel', 'PowerPoint'
    """
    app_map = {'Word': 'WINWORD.EXE', 'Excel': 'EXCEL.EXE', 'PowerPoint': 'POWERPNT.EXE'}
    exe_name = app_map.get(application)
    if not exe_name:
        return None
    # 遍历常见的 Office 版本号
    office_versions = ['16.0', '15.0', '14.0', '12.0']
    for version in office_versions:
        reg_path = rf"SOFTWARE\Microsoft\Office\{version}\{application}\InstallRoot"
        for hkey in [winreg.HKEY_LOCAL_MACHINE, winreg.HKEY_CURRENT_USER]:
            try:
                key = winreg.OpenKey(hkey, reg_path, 0, winreg.KEY_READ)
                install_path, _ = winreg.QueryValueEx(key, "Path")
                winreg.CloseKey(key)
                exe_path = os.path.join(install_path, exe_name)
                if os.path.isfile(exe_path):
                    return exe_path
            except (FileNotFoundError, OSError, WindowsError):
                continue
    return None


def find_wps_via_registry():
    """通过Windows注册表查找WPS的安装路径"""
    possible_paths = [
        (winreg.HKEY_LOCAL_MACHINE, r"SOFTWARE\Kingsoft\Office\6.0\common"),
        (winreg.HKEY_LOCAL_MACHINE, r"SOFTWARE\WOW6432Node\Kingsoft\Office\6.0\common"),
        (winreg.HKEY_CURRENT_USER, r"SOFTWARE\Kingsoft\Office\6.0\common")
    ]
    for hkey, subkey in possible_paths:
        try:
            key = winreg.OpenKey(hkey, subkey, 0, winreg.KEY_READ | winreg.KEY_WOW64_64KEY)
            install_path, _ = winreg.QueryValueEx(key, "InstallRoot")
            winreg.CloseKey(key)
            # 尝试找到主要的可执行文件
            for exe in ["wps.exe", "WPSOffice.exe", "ksolaunch.exe"]:
                full_path = os.path.join(install_path, "office6", exe)
                if os.path.isfile(full_path):
                    return full_path
        except FileNotFoundError:
            continue
        except Exception:
            continue
    return None


def encode_payload(payload):
    payload['data'] = base64.b64encode(json.dumps(payload['data']).encode('utf-8')).decode('utf-8')
    return json.dumps(payload)


def is_wps_available():
    """检测当前系统是否安装了可用的 WPS Office (COM 接口)"""
    progids_to_try = [
        'KWPS.Application',   # WPS Office 2019+ 常用
        'WPS.Application',    # 旧版本可能用
        'Kingsoft.Application'
    ]
    for progid in progids_to_try:
        try:
            pythoncom.CoInitialize()
            app = win32com.client.Dispatch(progid)
            app.Quit()
            del app
            pythoncom.CoUninitialize()
            logger.info(f"检测到可用的 WPS: {progid}")
            return True
        except Exception:
            continue
        finally:
            try:
                pythoncom.CoUninitialize()
            except:
                pass
    logger.warning("未检测到可用的 WPS Office，请确认已安装并注册 COM 接口")
    return False


if __name__ == '__main__':
    print(get_wps_exe_path('wps'))
    print(get_wps_exe_path('et'))
    print(get_wps_exe_path('wpp'))
    print(subprocess.Popen([get_wps_exe_path('wps'), r"C:\Users\Lenovo\Desktop\dify本地部署.txt"]))

    # payload = {'data': {"cmd": "enable", "name": "wpsPlugin", "url": "http://172.10.3.110:3000/", "addonType": "wps",
    #                     "online": "true"},
    #            'serverId': '524ef80e-7ccd-43af-9fcb-69f3b0269730'}
    #
    # payload['data'] = base64.b64encode(json.dumps(payload['data']).encode('utf-8')).decode('utf-8')
    #
    # print(payload)