import gradio as gr
import torch
from transformers import AutoModelForCausalLM, AutoTokenizer

device = "cpu" # the device to load the model onto

model = AutoModelForCausalLM.from_pretrained("mistralai/Mistral-7B-Instruct-v0.2")
tokenizer = AutoTokenizer.from_pretrained("mistralai/Mistral-7B-Instruct-v0.2")


model_id = "mistralai/Mistral-7B-Instruct-v0.2"
tokenizer = AutoTokenizer.from_pretrained(model_id)
model = AutoModelForCausalLM.from_pretrained(model_id, load_in_8bit=False)


def greet(text):
    messages = [
        {"role": "user", "content": "What is your favourite condiment?"},
        {"role": "assistant", "content": "Well, I'm quite partial to a good squeeze of fresh lemon juice. It adds just the right amount of zesty flavour to whatever I'm cooking up in the kitchen!"},
        {"role": "user", "content": "Do you have mayonnaise recipes?"}
    ]

    encodeds = tokenizer.apply_chat_template(messages, return_tensors="pt")
    model_inputs = encodeds.to(device)
    model.to(device)
    generated_ids = model.generate(model_inputs, max_new_tokens=1000, do_sample=True)
    decoded = tokenizer.batch_decode(generated_ids)
    return decoded[0]

iface = gr.Interface(fn=greet, inputs="text", outputs="text")
iface.launch()