import os
from google.cloud import storage

GCP_PROJECT = "gen-lang-client-0350149082"
GCP_REGION = "us-central1"
DOCUMENT_API_ID = "b34a20d22dee16bb"
GCS_BUCKET_NAME = "vella-pdfs"


def upload_to_gcs(LOCAL_PDF_PATH: str) -> str:

    # Path in GCS
    GCS_DESTINATION_BLOB_NAME = "gemini_uploads/" + os.path.basename(LOCAL_PDF_PATH)

    """Uploads a file to a GCS bucket and returns its URI."""
    storage_client = storage.Client(
        project=GCP_PROJECT,
    )
    bucket = storage_client.bucket(GCS_BUCKET_NAME)
    blob = bucket.blob(GCS_DESTINATION_BLOB_NAME)

    print(
        f"Uploading {LOCAL_PDF_PATH} to gs://{GCS_BUCKET_NAME}/{GCS_DESTINATION_BLOB_NAME}..."
    )
    blob.upload_from_filename(LOCAL_PDF_PATH)
    gcs_uri = f"gs://{GCS_BUCKET_NAME}/{GCS_DESTINATION_BLOB_NAME}"
    print(f"File uploaded to {gcs_uri}")
    return gcs_uri