from transformers import AutoTokenizer, AutoModel
import torch

class EmbeddingGenerator:
    def __init__(self):
        self.model_name = "deepset/all-mpnet-base-v2-table"
        self.tokenizer = AutoTokenizer.from_pretrained(self.model_name)
        self.model = AutoModel.from_pretrained(self.model_name)

    def generate_embeddings(self, dataframes):
        embeddings = []
        for df in dataframes:
            inputs = self.tokenizer(df.to_string(index=False), return_tensors='pt', truncation=True, padding=True)
            outputs = self.model(**inputs)
            embeddings.append(outputs.last_hidden_state.mean(dim=1).detach().numpy())
        return embeddings