"""LiteLLM provider — multi-provider gateway."""

from __future__ import annotations

from typing import Any

from voice_to_notes.providers.base import AIProvider


class LiteLLMProvider(AIProvider):
    """Routes through LiteLLM for access to 100+ LLM providers."""

    def __init__(self, model: str = "gpt-4o-mini", **kwargs: Any) -> None:
        self._model = model
        self._extra_kwargs = kwargs

    def chat(self, messages: list[dict[str, str]], **kwargs: Any) -> str:
        try:
            import litellm
        except ImportError:
            raise RuntimeError("litellm package is required. Install with: pip install litellm")

        merged_kwargs = {**self._extra_kwargs, **kwargs}
        response = litellm.completion(
            model=merged_kwargs.get("model", self._model),
            messages=messages,
            temperature=merged_kwargs.get("temperature", 0.7),
            max_tokens=merged_kwargs.get("max_tokens", 2048),
        )
        return response.choices[0].message.content or ""

    def is_available(self) -> bool:
        try:
            import litellm  # noqa: F401

            return True
        except ImportError:
            return False

    @property
    def name(self) -> str:
        return "LiteLLM"