# import part
import streamlit as st
from transformers import pipeline
from gtts import gTTS
import os

# function part
# img2text
def img2text(url):
    try:
        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
    except Exception as e:
        st.error(f"Error in image to text conversion: {e}")
        return None

# text2story
def text2story(text):
    try:
        story_generator = pipeline("text-generation", model="gpt2")
        story = story_generator(text, max_length=100, num_return_sequences=1)[0]["generated_text"]
        return story
    except Exception as e:
        st.error(f"Error in story generation: {e}")
        return None

# text2audio
def text2audio(story_text):
    try:
        tts = gTTS(text=story_text, lang='en')
        audio_file = "story_audio.mp3"
        tts.save(audio_file)
        return audio_file
    except Exception as e:
        st.error(f"Error in text to audio conversion: {e}")
        return None

# main part
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...", type=["jpg", "jpeg", "png"])

if uploaded_file is not None:
    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_column_width=True)

    # Stage 1: Image to Text
    st.text('Processing img2text...')
    scenario = img2text(uploaded_file.name)
    if scenario:
        st.write("Image Caption:", scenario)

        # Stage 2: Text to Story
        st.text('Generating a story...')
        story = text2story(scenario)
        if story:
            st.write("Generated Story:", story)

            # Stage 3: Story to Audio data
            st.text('Generating audio data...')
            audio_file = text2audio(story)
            if audio_file:
                # Play button
                if st.button("Play Audio"):
                    st.audio(audio_file, format="audio/mp3")
                # Clean up the audio file after playing
                os.remove(audio_file)