from typing import Any, Dict, List
import base64

from ..utils import makeId
from modules.datamodels.datamodelExtraction import ContentPart
from ..subRegistry import Extractor


class ImageExtractor(Extractor):
    def detect(self, fileName: str, mimeType: str, headBytes: bytes) -> bool:
        return (mimeType or "").startswith("image/")

    def extract(self, fileBytes: bytes, context: Dict[str, Any]) -> List[ContentPart]:
        mimeType = context.get("mimeType") or "image/unknown"
        return [ContentPart(
            id=makeId(),
            parentId=None,
            label="image",
            typeGroup="image",
            mimeType=mimeType,
            data=base64.b64encode(fileBytes).decode("utf-8"),
            metadata={"size": len(fileBytes)}
        )]