import gradio as gr
from transformers import pipeline
import spaces

pipe = pipeline("text-generation", model="fava-uw/fava-model")

@spaces.GPU()
def chat(refrence: str, passage: str) -> str:
    """
    Help to chat with fava

    Args:
        refrence: Pass the refrence text here
        passage: main passage here
    """
    text = f"Read the following references:\n{refrence}\nPlease identify all the errors in the following text using the information in the references provided and suggest edits if necessary:\n[Text] {passage}\n[Edited] "
    outputs = pipe(text)
    print(outputs)
    output = outputs[0]['generated_text'].split("[Edited]")[1]
    output = output.replace("<mark>", "<span style='color: green; font-weight: bold;'> ")
    output = output.replace("</mark>", " </span>")
    output = output.replace("<delete>", "<span style='color: red; text-decoration: line-through;'>")
    output = output.replace("</delete>", "</span>")
    output = output.replace("<entity>", "<span style='background-color: #E9A2D9; border-bottom: 1px dotted;'></span>")
    output = output.replace("<relation>", "<span style='background-color: #F3B78B; border-bottom: 1px dotted;'></span>")
    output = output.replace("<contradictory>", "<span style='background-color: #FFFF9B; border-bottom: 1px dotted;'></span>")
    output = output.replace("<unverifiable>", "<span style='background-color: #D3D3D3; border-bottom: 1px dotted;'></span><u>")
    output = output.replace("<invented>", "<span style='background-color: #BFE9B9; border-bottom: 1px dotted;'></span>")
    output = output.replace("<subjective>", "<span style='background-color: #D3D3D3; border-bottom: 1px dotted;'></span><u>")
    output = output.replace("</entity>", "")
    output = output.replace("</relation>", "")
    output = output.replace("</contradictory>", "")
    output = output.replace("</unverifiable>", "</u>")
    output = output.replace("</invented>", "")
    output = output.replace("</subjective>", "</u>")
    output = output.replace("Edited:", "")
    return f'<div style="font-weight: normal;">{output}</div>';

with gr.Blocks() as demo:
    gr.Markdown("# ExMC")
    with gr.Row():
        refrence = gr.Textbox(label="Refrence", placeholder="Enter your Refrence here")
        passage = gr.Textbox(label="Passage", placeholder="Enter your passage")
        submit_btn = gr.Button("Submit")
    submit_btn.click(fn=chat, inputs=[refrence, passage], outputs=gr.HTML("Output result"))

demo.launch()