import gradio as gr
from transformers import AutoTokenizer
import torch
from fastai.text.all import *
from blurr.text.data.all import *
from blurr.text.modeling.all import *

# Define the path to your model and dataloaders
model_path = "origin-classifier-stage-2.pkl"
dls_path = "dls_origin-classifier_v1.pkl"

learner_inf = load_learner(model_path)


dls = torch.load(dls_path)


class_label_mapping = {label: idx for idx, label in enumerate(learner_inf.dls.vocab)}


def predict_text(text):
    prediction = learner_inf.blurr_predict(text)[0]
    predicted_class_index = prediction['class_index']
    predicted_class_label = list(class_label_mapping.keys())[list(class_label_mapping.values()).index(predicted_class_index)]
    predicted_class_probability = prediction['probs'][predicted_class_index]
    return f"Label: {predicted_class_label}, Probability: {predicted_class_probability * 100:.2f}%"

iface = gr.Interface(
    fn=predict_text,
    inputs="text",
    outputs="text",
    title="Food Origin Classification App",
    description="Enter a Recipe, and it will predict the class label.",
)


iface.launch()