import streamlit as st
from transformers import pipeline

# function part
# img2text
def img2text(url):
    image_to_text_model = pipeline("image-to-text", model="Salesforce/blip-image-captioning-base")
    text = image_to_text_model(url)[0]["generated_text"]
    return text

# text2story
def text2story(text):
    text_generation_model = pipeline("text-generation", model="openai-community/gpt2")
    story_text = text_generation_model(text, min_length=50, max_length=100, do_sample=True, early_stopping=True, top_p=0.4)[0]["generated_text"]
    return story_text

# text2audio
def text2audio(story_text):
    text2audio_model = pipeline("text-to-speech", model="facebook/mms-tts-eng")
    gen_audio = text2audio_model(story_text)
    return gen_audio

def main():
    st.set_page_config(page_title="Your Image to Audio Story",page_icon="🦜")
    st.header("Turn Your Image to Audio Story")
    uploaded_file = st.file_uploader("Select an Image...")
    
    if uploaded_file is not None:
        print(uploaded_file)
        bytes_data = uploaded_file.getvalue()
        with open(uploaded_file.name, "wb") as file:
            file.write(bytes_data)
        st.image(uploaded_file, caption="Uploaded Image",
                 use_container_width=True)
    
        # #Stage 1: Image to Text
        st.text('Processing img2text...')
        scenario = img2text(uploaded_file.name)
        st.write(scenario)
    
        # #Stage 2: Text to Story
        st.text('Generating a story...')
        story = text2story(scenario)
        st.write(story)
    
        #Stage 3: Story to Audio data
        st.text('Generating audio data...')
        audio_data =text2audio(story)
    
        # Play button
        if st.button("Play Audio"):
            # st.audio(audio_data['audio'], sample_rate = audio_data['sampling_rate'])
            st.audio(audio_data['audio'],
                       format="audio/wav",
                       start_time=0,
                       sample_rate = audio_data['sampling_rate'])
            # st.audio("kids_playing_audio.wav")

if __name__ == "__main__":
    main()