#!/usr/bin/env python3
"""J.A.R.V.I.S. entry point."""
import argparse
from pathlib import Path

from jarvis.config import Config
from jarvis.memory import Memory
from jarvis.llm import get_backend
from jarvis.ui import TerminalUI


def main():
    parser = argparse.ArgumentParser(description="J.A.R.V.I.S. - Alvin OS Personal AI Assistant")
    parser.add_argument("--config", "-c", type=str, default="config.yaml", help="Path to config file")
    parser.add_argument("--data-dir", "-d", type=str, default=None, help="Override data directory")
    args = parser.parse_args()

    cfg_path = Path(args.config)
    if cfg_path.exists():
        config = Config.from_file(str(cfg_path))
    else:
        print(f"Config not found at {cfg_path}, using defaults.")
        config = Config.from_env()

    if args.data_dir:
        config.data_dir = args.data_dir
        config.memory.sqlite_path = str(Path(args.data_dir) / "jarvis.db")
        config.memory.chroma_path = str(Path(args.data_dir) / "chroma")

    Path(config.data_dir).mkdir(parents=True, exist_ok=True)

    memory = Memory(config.memory)
    backend = get_backend(config.llm)

    ui = TerminalUI(config, memory, backend)
    ui.run()


if __name__ == "__main__":
    main()