#!/usr/bin/env python3
"""Install this skill without copying local secrets or runtime caches."""

from __future__ import annotations

import argparse
import os
from pathlib import Path
import shutil

EXCLUDED_FILES = {"connection.local.json"}
EXCLUDED_DIRS = {".git", "__pycache__", "venv"}


def main() -> int:
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument("--codex-home", type=Path)
    parser.add_argument("--force", action="store_true")
    args = parser.parse_args()
    source = Path(__file__).resolve().parent.parent
    codex_home = args.codex_home or Path(os.environ.get("CODEX_HOME", Path.home() / ".codex"))
    destination = codex_home.expanduser() / "skills" / "image-gen-custom"
    if source == destination.resolve():
        print(f"Skill is already installed at: {destination}")
        return 0
    if destination.exists() and not args.force:
        raise SystemExit(f"Skill already exists at {destination}; use --force to update it")
    destination.mkdir(parents=True, exist_ok=True)
    for item in source.rglob("*"):
        relative = item.relative_to(source)
        if item.name in EXCLUDED_FILES or any(part in EXCLUDED_DIRS for part in relative.parts):
            continue
        target = destination / relative
        if item.is_dir():
            target.mkdir(parents=True, exist_ok=True)
        else:
            target.parent.mkdir(parents=True, exist_ok=True)
            shutil.copy2(item, target)
    print(f"Installed image-gen-custom to: {destination}")
    print(f"Configure the API with: python {destination / 'scripts' / 'configure_key.py'}")
    return 0


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