from typing import Any, Dict

import litellm
from litellm.llms.base_llm.responses.transformation import BaseResponsesAPIConfig
from litellm.types.llms.openai import ResponsesAPIRequestParams


def get_optional_params_responses_api(
    model: str,
    responses_api_provider_config: BaseResponsesAPIConfig,
    optional_params: Dict[str, Any],
) -> ResponsesAPIRequestParams:
    """
    Get optional parameters for the responses API.

    Args:
        params: Dictionary of all parameters
        model: The model name
        responses_api_provider_config: The provider configuration for responses API

    Returns:
        A dictionary of supported parameters for the responses API
    """
    # Remove None values and internal parameters
    filtered_params = {k: v for k, v in optional_params.items() if v is not None}

    # Get supported parameters for the model
    supported_params = responses_api_provider_config.get_supported_openai_params(model)

    # Check for unsupported parameters
    unsupported_params = [
        param for param in filtered_params if param not in supported_params
    ]

    if unsupported_params:
        raise litellm.UnsupportedParamsError(
            model=model,
            message=f"The following parameters are not supported for model {model}: {', '.join(unsupported_params)}",
        )

    # Map parameters to provider-specific format
    mapped_params = responses_api_provider_config.map_openai_params(
        optional_params=filtered_params, model=model, drop_params=litellm.drop_params
    )

    return mapped_params