import os
from langchain_chroma import Chroma
from langchain_huggingface import HuggingFaceEmbeddings
from dotenv import load_dotenv

load_dotenv()

CHROMA_PATH = "chroma_db"

def clear_db():
    try:
        embeddings = HuggingFaceEmbeddings(model_name="all-MiniLM-L6-v2")
        vector_store = Chroma(collection_name="socratic_knowledge", embedding_function=embeddings, persist_directory=CHROMA_PATH)
        print("Connected to ChromaDB. Deleting collection...")
        vector_store.delete_collection()
        print("Collection deleted successfully.")
    except Exception as e:
        print(f"Failed to delete collection via API: {e}")

if __name__ == "__main__":
    clear_db()