app.py

import streamlit as st
from image_analyzer import analyze_image

st.set_page_config(page_title="Imagefier")

def speak(text):
    st.components.v1.html(
        f"""
        <script>
        const msg = new SpeechSynthesisUtterance({repr(text)});
        window.speechSynthesis.cancel();
        window.speechSynthesis.speak(msg);
        </script>
        """,
        height=0,
    )

if "last_result" not in st.session_state:
    st.session_state.last_result = ""

st.title("Imagefier")
st.write("AI-powered image understanding for blind users")

# ---------------- Instructions ----------------
if st.button("Hear instructions"):
    speak(
        "Welcome to Imagefier. "
        "This tool uses artificial intelligence to explain images for blind users. "
        "You can upload an image or take a photo to understand what is in front of you."
    )

# ---------------- Camera Mode ----------------
st.subheader("Camera Mode")

if st.button("Start camera guidance"):
    speak(
        "Camera mode is on. "
        "Hold your phone straight in front of you at chest level. "
        "Point the camera forward. "
        "Keep the phone steady. "
        "When ready, tap once to take the photo."
    )

camera_image = st.camera_input("Take a photo")

if camera_image:
    speak("Photo captured. Analyzing what is in front of you.")

    with st.spinner("Analyzing image..."):
        result = analyze_image(camera_image.getvalue())

    st.subheader("AI Explanation")
    st.write(result)

    speak(result)
    st.session_state.last_result = result

# ---------------- Upload Mode ----------------
st.subheader("Upload Mode")

image = st.file_uploader("Upload an image", type=["jpg", "png", "jpeg"])

if image:
    speak("Image uploaded. Analyzing now.")

    with st.spinner("Analyzing image..."):
        result = analyze_image(image.getvalue())

    st.subheader("AI Explanation")
    st.write(result)

    speak(result)
    st.session_state.last_result = result

# ---------------- Repeat ----------------
if st.session_state.last_result:
    if st.button("Repeat explanation"):
        speak(st.session_state.last_result)