import streamlit as st
from PIL import Image, ImageEnhance

# App title
st.title("Image Editor")

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

if uploaded_file:
    # Open the uploaded image
    image = Image.open(uploaded_file)
    st.image(image, caption="Uploaded Image", use_column_width=True)

    # Editing options
    st.header("Editing Options")

    # Grayscale filter
    if st.checkbox("Apply Grayscale Filter"):
        image = image.convert("L")
        st.image(image, caption="Grayscale Image", use_column_width=True)

    # Brightness adjustment
    brightness = st.slider("Adjust Brightness", 0.5, 2.0, 1.0)
    enhancer = ImageEnhance.Brightness(image)
    image = enhancer.enhance(brightness)
    st.image(image, caption="Brightness Adjusted Image", use_column_width=True)

    # Download edited image
    st.header("Download Edited Image")
    edited_image_path = "edited_image.png"
    image.save(edited_image_path)
    with open(edited_image_path, "rb") as file:
        btn = st.download_button(
            label="Download Image",
            data=file,
            file_name="edited_image.png",
            mime="image/png"
        )