import asyncio
from pathlib import Path


class LinuxUtils:
    """Utilities for Linux-specific tasks.
    """
    def __init__(self):
        pass

    async def _exec_command(self, *args):
        """Execute a command using pkexec (friendly gui)
        """
        rsp = await asyncio.create_subprocess_exec(*args)
        match rsp.returncode:
            case 127:
                raise OSError("Authentication failed.")
            case 128:
                raise RuntimeError("User cancelled the authentication.")

        return rsp

    async def write_text_to_file(self, text, file_path: str | Path):
        """Write text to a file using pkexec (friendly gui)
        """
        if isinstance(file_path, Path):
            file_path = str(file_path)
        await self._exec_command('pkexec', 'echo', text, '>', file_path)

    async def append_text_to_file(self, text, file_path: str | Path):
        """Append text to a file using pkexec (friendly gui)
        """
        if isinstance(file_path, Path):
            file_path = str(file_path)
        await self._exec_command('pkexec', 'echo', text, '>>', file_path)