"""LLM provider factory - returns provider by config."""

from app.config import get_settings
from app.services.llm.base import BaseLLMProvider
from app.services.llm.openai_vision import OpenAIVisionProvider
from app.services.llm.claude_vision import ClaudeVisionProvider
from app.services.llm.deepseek_vision import DeepSeekVisionProvider
from app.services.llm.custom_openai_vision import CustomOpenAICompatibleProvider


def get_llm_provider() -> BaseLLMProvider:
    settings = get_settings()
    provider = (settings.llm_provider or "openai").lower()
    if provider == "openai":
        return OpenAIVisionProvider()
    if provider == "anthropic":
        return ClaudeVisionProvider()
    if provider == "deepseek":
        return DeepSeekVisionProvider()
    if provider == "custom_openai":
        return CustomOpenAICompatibleProvider()
    return OpenAIVisionProvider()