import gradio as gr
from utils.predict import predict_action
import os
import glob

##Create Dataset for loading examples
example_list = glob.glob("examples/*")
example_list = list(map(lambda el:[el], example_list))


def load_example(video):
    return video[0]

demo = gr.Blocks()



with demo:
    
    gr.Markdown("# **<p align='center'>Video Classification with Transformers</p>**")
    gr.Markdown("This space demonstrates the use of hybrid Transformer-based models for video classification that operate on CNN feature maps.")
    
    with gr.Tabs():
                
        with gr.TabItem("Upload & Predict"):
            with gr.Box():
                
                with gr.Row():
                    input_video = gr.Video(label="Input Video", show_label=True)
                    output_label = gr.Label(label="Model Output", show_label=True)
                    output_gif = gr.Image(label="Video Gif", show_label=True)
            
            gr.Markdown("**Predict**")
            
            with gr.Box():
                with gr.Row():
                    submit_button = gr.Button("Submit")
            
            gr.Markdown("**Examples:**")
            gr.Markdown("The model is trained to classify videos belonging to the following classes:")
            gr.Markdown("CricketShot, PlayingCello, Punch, ShavingBeard, TennisSwing")

            with gr.Column():
                # gr.Examples("examples", [input_video], [output_label,output_gif], predict_action, cache_examples=True)
                examples = gr.components.Dataset(components=[input_video], samples=example_list, type='values')
                examples.click(load_example, examples, input_video)
        
    submit_button.click(predict_action, inputs=input_video, outputs=[output_label,output_gif])
    
    gr.Markdown('\n Author: <a href=\"https://www.linkedin.com/in/shivalika-singh/\">Shivalika Singh</a> <br> Based on this <a href=\"https://keras.io/examples/vision/video_transformers/\">Keras example</a> by <a href=\"https://twitter.com/RisingSayak\">Sayak Paul</a> <br> Demo Powered by this <a href=\"https://huggingface.co/shivi/video-transformers/\"> Video Classification</a> model')
    
demo.launch()