#!/usr/bin/env python3
"""
ServerManager — GUI application for managing remote servers.
"""

import sys
import os
import subprocess

# Add project root to path
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))


def _ensure_display_access():
    """Auto-fix X display authorization for root and non-owner users."""
    display = os.environ.get("DISPLAY")
    if not display:
        # Try common displays
        for d in (":0", ":1", ":0.0"):
            os.environ["DISPLAY"] = d
            display = d
            break
    try:
        subprocess.run(["xhost", "+local:"], stdout=subprocess.DEVNULL,
                       stderr=subprocess.DEVNULL, timeout=3)
    except (FileNotFoundError, subprocess.TimeoutExpired):
        pass
    # Fallback: generate xauth cookie if xhost not available
    if display:
        try:
            subprocess.run(["xdpyinfo"], stdout=subprocess.DEVNULL,
                           stderr=subprocess.DEVNULL, timeout=3, check=True)
        except (FileNotFoundError, subprocess.TimeoutExpired, subprocess.CalledProcessError):
            try:
                xauth_file = os.path.expanduser("~/.Xauthority")
                os.environ.setdefault("XAUTHORITY", xauth_file)
                subprocess.run(
                    ["xauth", "generate", display, ".", "trusted"],
                    stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, timeout=5
                )
            except (FileNotFoundError, subprocess.TimeoutExpired):
                pass


from gui.app import App


def main():
    _ensure_display_access()
    app = App()
    app.mainloop()


if __name__ == "__main__":
    main()