from __future__ import annotations

import argparse
import json
from pathlib import Path


def recommend(row: dict) -> dict:
    if not row["budget_complete"] or row["client_budget"] is None:
        return {"decision": "ABSTAIN", "calculated_margin_rate": None, "human_review_required": True}
    net = row["quoted_price"] * (1 - row["discount_rate"]) * (1 - row["commission_rate"])
    costs = row["delivery_cost"] + row["operational_cost"]
    margin = (net - costs) / net if net else -1
    decision = "ACCEPT" if margin >= row["target_margin_rate"] and row["quoted_price"] <= row["client_budget"] else "NEGOTIATE" if margin >= row["target_margin_rate"] * 0.8 and row["quoted_price"] <= row["client_budget"] * 1.1 else "ABSTAIN"
    return {"decision": decision, "calculated_margin_rate": round(margin, 6), "human_review_required": True}


def main() -> None:
    parser = argparse.ArgumentParser()
    parser.add_argument("record_json", type=Path)
    args = parser.parse_args()
    print(json.dumps(recommend(json.loads(args.record_json.read_text(encoding="utf-8"))), ensure_ascii=False, indent=2))


if __name__ == "__main__":
    main()