import torch, chromadb, gc
from sentence_transformers import SentenceTransformer


class is_docs:
    def __init__(self):
        self.device = "cuda" if torch.cuda.is_available() else "cpu"
        self.model = SentenceTransformer("nlpai-lab/KURE-v1",
                                         cache_folder="/Users/jaewook/PycharmProjects/DS_security_API/weights",
                                         trust_remote_code=True).eval().to(self.device)

        self.client_docs = chromadb.PersistentClient(path="../db/docs")
        self.collection_docs = self.client_docs.get_or_create_collection(name="image_embedding",
                                                                         metadata={"hnsw": "cosine"}, )
        self.cos_sim = torch.nn.CosineSimilarity(dim=0)

    @torch.inference_mode()
    async def making_embedding_vector(self, docs: str, category: int = 1, infer_mode: bool = False):
        embeddings = self.model.encode(docs).tolist()
        test_metadata = {"category": category}
        if not infer_mode:
            for embedding in embeddings:
                self.add_doc_vectors(embedding, test_metadata)
        gc.collect()
        if torch.cuda.is_available():
            torch.cuda.empty_cache()

        return embeddings

    def add_doc_vectors(self, vectors, metadatas):
        self.collection_docs.add(
            embeddings=vectors,
            metadatas=metadatas,
            ids="asdf"  # 고유 ID
        )


if __name__=="__main__":
    import os
    print(os.getcwd())
    # model = SentenceTransformer("nlpai-lab/KURE-v1",
    #                                  cache_folder="/Users/jaewook/PycharmProjects/DS_security_API/weights",
    #                                  trust_remote_code=True).eval()
    # model.save_pretrained('./')