import gradio as gr
from transformers import AutoTokenizer, AutoModelForSeq2SeqLM
from datasets import load_dataset

# Load the WikiSQL dataset (optional, not used directly in SQL generation)
wikisql_dataset = load_dataset("wikisql", split='train')

# Load tokenizer and model
tokenizer = AutoTokenizer.from_pretrained("mrm8488/t5-base-finetuned-wikiSQL")
model = AutoModelForSeq2SeqLM.from_pretrained("mrm8488/t5-base-finetuned-wikiSQL")

def generate_sql_from_user_input(query):
    # Generate SQL for the user's query
    input_text = "translate English to SQL: " + query
    inputs = tokenizer(input_text, return_tensors="pt", padding=True)
    outputs = model.generate(**inputs, max_length=512)
    sql_query = tokenizer.decode(outputs[0], skip_special_tokens=True)
    return query, sql_query

# Create a Gradio interface
interface = gr.Interface(
    fn=generate_sql_from_user_input,
    inputs=gr.Textbox(label="Enter your natural language query"),
    outputs=[gr.Textbox(label="Your Query"), gr.Textbox(label="Generated SQL Query")],
    title="NL to SQL with T5 using WikiSQL Dataset",
    description="This model generates an SQL query for your natural language input."
)

# Launch the app
if __name__ == "__main__":
    interface.launch()