from __future__ import annotations

import json
from pathlib import Path
from typing import Any


def load_contract(path: Path) -> dict[str, Any]:
    text = path.read_text(encoding="utf-8")
    try:
        return json.loads(text)
    except json.JSONDecodeError:
        try:
            import yaml  # type: ignore[import-untyped]
        except ImportError as error:
            raise ValueError(
                f"{path}: install PyYAML or use JSON-compatible YAML syntax"
            ) from error
        data = yaml.safe_load(text)
        if not isinstance(data, dict):
            raise ValueError(f"{path}: contract root must be an object")
        return data