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import gradio as gr
from PIL import Image
from inference.main import MultiModalPhi2

# gr.themes.builder()

messages = []

multimodal_phi2 = MultiModalPhi2(
    modelname_or_path="GunaKoppula/Llava-Phi2",
    temperature=0.2,
    max_new_tokens=1024,
    device="cpu",
)


def add_content(chatbot, text, image, audio_upload, audio_mic) -> gr.Chatbot:
    textflag, imageflag, audioflag = False, False, False
    if text not in ["", None]:
        chatbot.append((text, None))
        textflag = True
    if image is not None:
        chatbot.append(((image,), None))
        imageflag = True
    if audio_mic is not None:
        chatbot.append(((audio_mic,), None))
        audioflag = True
    else:
        if audio_upload is not None:
            chatbot.append(((audio_upload,), None))
            audioflag = True
    if not any([textflag, imageflag, audioflag]):
        # Raise an error if neither text nor file is provided
        raise gr.Error("Enter a valid text, image or audio")
    return chatbot


def clear_data():
    return {prompt: None, image: None, audio_upload: None, audio_mic: None, chatbot: []}


def run(history, text, image, audio_upload, audio_mic):
    if text in [None, ""]:
        text = None

    if audio_upload is not None:
        audio = audio_upload
    elif audio_mic is not None:
        audio = audio_mic
    else:
        audio = None

    print("text", text)
    print("image", image)
    print("audio", audio)

    if image is not None:
        image = Image.open(image)
    outputs = multimodal_phi2(text, audio, image)
    # outputs = ""

    history.append((None, outputs.title()))
    return history, None, None, None, None



with gr.Blocks(theme='upsatwal/mlsc_tiet') as demo:

    with gr.Column():
        gr.Markdown("## MulitModal implementation of [Phi2](https://huggingface.co/microsoft/phi-2) model from Scratch")
        gr.Markdown("Please find the source code and training details [here](https://github.com/GunaKoppula/ERAV1-CAPSTONE).")


    with gr.Row():
        chatbot = gr.Chatbot(
            avatar_images=("πŸ§‘", "πŸ€–"),
            height=550,
        )
                
    with gr.Row():       
        with gr.Column(scale=4):
            # Creating a column with a scale of 6
            with gr.Box():
                
                with gr.Column():
                    
                    with gr.Row():
                        # Adding a Textbox with a placeholder "write prompt"
                        prompt = gr.Textbox(
                            placeholder="Enter Prompt", lines=2, label="Query", value=None
                        )
                    # Creating a column with a scale of 2
    
                    with gr.Row():
                        # Adding image
                        image = gr.Image(type="filepath", value=None)
                    # Creating a column with a scale of 2
                    with gr.Row():
                        # Add audio
                        audio_upload = gr.Audio(source="upload", type="filepath")
                        audio_mic = gr.Microphone(source="microphone", type="filepath", format="mp3")
                        
                    # Adding a Button
                    with gr.Row():
                        submit = gr.Button()
                    with gr.Row():
                        clear = gr.Button(value="Clear")

    submit.click(
        add_content,
        inputs=[chatbot, prompt, image, audio_upload, audio_mic],
        outputs=[chatbot],
    ).success(
        run,
        inputs=[chatbot, prompt, image, audio_upload, audio_mic],
        outputs=[chatbot, prompt, image, audio_upload, audio_mic],
    )

    clear.click(
        clear_data,
        outputs=[prompt, image, audio_upload, audio_mic, chatbot],
    )

demo.launch()