from __future__ import annotations

import argparse
import sys
from pathlib import Path

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

import pandas as pd

from src.models.complementarity import run_complementarity_fusion, save_json
from src.utils import ensure_dir, load_config, seed_everything


def main() -> None:
    parser = argparse.ArgumentParser()
    parser.add_argument("--config", default="configs/fusion_complementarity.yaml")
    args = parser.parse_args()
    cfg = load_config(args.config)
    seed_everything(cfg.get("seed", 17))
    features_dir = Path(cfg["paths"]["features_dir"])
    out_dir = ensure_dir(cfg["paths"]["output_dir"])

    labels = pd.read_csv(features_dir / "labels.csv")
    rad = pd.read_csv(features_dir / "radiomics_clean.csv")
    dl_patch = pd.read_csv(features_dir / "dl_patch_triregion.csv")
    result = run_complementarity_fusion(
        radiomics_df=rad,
        dl_df=dl_patch,
        labels=labels["label"],
        n_splits=cfg["classifier"]["cv_folds"],
        seed=cfg.get("seed", 17),
    )
    save_json({"auc": result["auc"], "accuracy": result["accuracy"], "fold_weights": result["fold_weights"]}, out_dir / "complementarity_summary.json")
    print({"auc": result["auc"], "accuracy": result["accuracy"]})


if __name__ == "__main__":
    main()