"""OpenAI Provider for Frigate AI."""

import base64
import logging
from typing import Optional

from httpx import TimeoutException
from openai import OpenAI

from frigate.config import GenAIProviderEnum
from frigate.genai import GenAIClient, register_genai_provider

logger = logging.getLogger(__name__)


@register_genai_provider(GenAIProviderEnum.openai)
class OpenAIClient(GenAIClient):
    """Generative AI client for Frigate using OpenAI."""

    provider: OpenAI

    def _init_provider(self):
        """Initialize the client."""

        if self.genai_config.base_url is None or self.genai_config.base_url == "":
            self.genai_config.base_url = "https://api.openai.com/v1"

        return OpenAI(
            api_key=self.genai_config.api_key, base_url=self.genai_config.base_url
        )

    def _send(self, prompt: str, images: list[bytes]) -> Optional[str]:
        """Submit a request to OpenAI."""
        encoded_images = [base64.b64encode(image).decode("utf-8") for image in images]
        try:
            result = self.provider.chat.completions.create(
                model=self.genai_config.model,
                messages=[
                    {
                        "role": "user",
                        "content": [
                            {
                                "type": "image_url",
                                "image_url": {
                                    "url": f"data:image/jpeg;base64,{image}",
                                    "detail": "low",
                                },
                            }
                            for image in encoded_images
                        ]
                        + [prompt],
                    },
                ],
                timeout=self.timeout,
            )
        except TimeoutException as e:
            logger.warning("OpenAI returned an error: %s", str(e))
            return None
        if len(result.choices) > 0:
            return result.choices[0].message.content.strip()
        return None