"""Kitty terminal backend — native splits via kitty @ remote control."""
from __future__ import annotations
import subprocess
from typing import Union
from kitty_workbench.backends import Backend

class KittyBackend(Backend):
    name = "kitty"
    def launch_pane(self, command: list[str], title: str) -> int:
        result = subprocess.run(
            ["kitty", "@", "launch", "--location=vsplit", "--title", title] + command,
            capture_output=True, text=True,
        )
        return int(result.stdout.strip())
    def close_pane(self, pane_id: Union[int, str]) -> None:
        subprocess.run(["kitty", "@", "close-window", f"--match=id:{pane_id}"], capture_output=True)
    def image_protocol(self) -> str:
        return "kitty"