import os
import streamlit as st
from utils import (
    img2txt, 
    txt2story, 
    txt2speech, 
    get_user_preferences, 
    send_story_email, 
    validate_email
)

def main():
    st.set_page_config(
        page_title="🎨 Image-to-Audio Story 🎧",
        page_icon="🖼️",
        layout="wide"
    )
    st.title("Turn the Image into Audio Story")

    # Initialize session state variables
    if "story" not in st.session_state:
        st.session_state.story = ""
    if "audio_file_path" not in st.session_state:
        st.session_state.audio_file_path = ""
    if "caption" not in st.session_state:
        st.session_state.caption = ""

    # Main content area
    col1, col2 = st.columns([2, 3])

    with col1:
        # Image upload section
        st.markdown("## 📷 Upload Image")
        uploaded_file = st.file_uploader(
            "Choose an image...", 
            type=["jpg", "jpeg", "png"]
        )

        # Story preferences section
        st.markdown("## 🎭 Story Preferences")
        preferences = get_user_preferences()

    with col2:
        if uploaded_file is not None:
            # Display uploaded image
            st.markdown("## 🖼️ Your Image")
            bytes_data = uploaded_file.read()
            with open("uploaded_image.jpg", "wb") as file:
                file.write(bytes_data)
            st.image(uploaded_file, use_column_width=True)

            # Process image and generate story
            if st.button("🎨 Generate Story"):
                with st.spinner("🤖 AI is working its magic..."):
                    try:
                        # Get image description
                        scenario = img2txt("uploaded_image.jpg")
                        st.session_state.caption = scenario  # Store caption in session state
                        
                        # Create story prompt
                        prompt = f"""Based on the image description: '{scenario}', 
                        create a {preferences['genre']} story set in {preferences['setting']} 
                        in {preferences['continent']}. The story should have a {preferences['tone']} 
                        tone and explore the theme of {preferences['theme']}. The main conflict 
                        should be {preferences['conflict']}. The story should have a {preferences['twist']} 
                        and end with a {preferences['ending']} ending."""
                        
                        # Generate story
                        story = txt2story(prompt, top_k=5, top_p=0.8, temperature=1.5)
                        st.session_state.story = story  # Store story in session state
                        
                        # Convert to audio
                        txt2speech(story)
                        st.session_state.audio_file_path = "audio_story.mp3"  # Store audio path in session state

                    except Exception as e:
                        st.error(f"An error occurred: {str(e)}")
                        st.warning("Please try again or contact support if the problem persists.")

        # Display results if story exists in session state
        if st.session_state.story:
            st.markdown("---")
            
            # Image caption
            with st.expander("📜 Image Caption", expanded=True):
                st.write(st.session_state.caption)
            
            # Story text
            with st.expander("📖 Generated Story", expanded=True):
                st.write(st.session_state.story)
            
            # Audio player
            with st.expander("🎧 Audio Version", expanded=True):
                st.audio(st.session_state.audio_file_path)

            # Email section
            st.markdown("---")
            st.markdown("## 📧 Get Story via Email")
            email = st.text_input(
                "Enter your email address:",
                help="We'll send you the story text and audio file"
            )
            
            if st.button("📤 Send to Email"):
                if not email:
                    st.warning("Please enter an email address.")
                elif not validate_email(email):
                    st.error("Please enter a valid email address.")
                else:
                    with st.spinner("📨 Sending email..."):
                        if send_story_email(email, st.session_state.story, st.session_state.audio_file_path):
                            st.success("✉️ Story sent successfully! Check your email.")
                        else:
                            st.error("❌ Failed to send email. Please try again.")

if __name__ == '__main__':
    main()