#!/usr/bin/env python3
"""Cross-platform installer for ServerManager AI integrations.

Supports Claude (/ssh), Codex (server-manager), and Gemini (server-manager)
for the current user, a target home, or all discovered user homes.
"""

from __future__ import annotations

import argparse
import os
import sys
from pathlib import Path

PROJECT_ROOT = Path(__file__).resolve().parents[1]
if str(PROJECT_ROOT) not in sys.path:
    sys.path.insert(0, str(PROJECT_ROOT))

from core.claude_setup import install_all  # noqa: E402


def parse_args() -> argparse.Namespace:
    p = argparse.ArgumentParser(description="Install ServerManager AI integrations")
    p.add_argument("--target-home", help="Install into this home directory instead of the current user")
    p.add_argument("--all-users", action="store_true", help="Install to all discovered user homes on this system")
    return p.parse_args()


def main() -> int:
    args = parse_args()

    if args.target_home and args.all_users:
        print("error: --target-home and --all-users are mutually exclusive", file=sys.stderr)
        return 2

    if args.target_home:
        os.environ["SERVER_MANAGER_TARGET_HOME"] = os.path.abspath(os.path.expanduser(args.target_home))

    if args.all_users:
        os.environ["SERVER_MANAGER_INSTALL_ALL_USERS"] = "1"

    for line in install_all():
        print(line)
    return 0


if __name__ == "__main__":
    raise SystemExit(main())