import io
import uuid
from supabase import create_client

from app.config import get_settings

BUCKET = "product-images"


def _client():
    s = get_settings()
    return create_client(s.SUPABASE_URL, s.SUPABASE_SERVICE_ROLE_KEY)


async def upload_product_image(product_id: str, file_bytes: bytes, content_type: str) -> dict:
    ext = "jpg" if "jpeg" in content_type else content_type.split("/")[-1]
    path = f"{product_id}/{uuid.uuid4()}.{ext}"

    client = _client()
    result = client.storage.from_(BUCKET).upload(
        path,
        file_bytes,
        {"content-type": content_type, "upsert": False},
    )

    # supabase-py v2 raises StorageException on failure, but guard against
    # unexpected response shapes that silently skip the upload
    if hasattr(result, "error") and result.error:
        raise RuntimeError(f"Storage upload failed: {result.error}")

    url = client.storage.from_(BUCKET).get_public_url(path)
    return {"url": url, "storage_path": path}


async def delete_product_image(storage_path: str):
    _client().storage.from_(BUCKET).remove([storage_path])