"""Abstract base class for AI providers."""

from __future__ import annotations

from abc import ABC, abstractmethod
from typing import Any


class AIProvider(ABC):
    """Base interface for all AI providers."""

    @abstractmethod
    def chat(self, messages: list[dict[str, str]], **kwargs: Any) -> str:
        """Send a chat completion request and return the full response text."""
        ...

    @abstractmethod
    def is_available(self) -> bool:
        """Check if this provider is configured and available."""
        ...

    @property
    @abstractmethod
    def name(self) -> str:
        """Provider display name."""
        ...