import streamlit as st
from PIL import Image, ImageDraw, ImageFont
import os

def add_text_to_image(image, top_text, bottom_text):
    draw = ImageDraw.Draw(image)

    # Load a font; change the path if not working or to use a custom font.
    font_path = "arial.ttf"
    font_size = int(image.width / 10)  # Dynamic font size based on image width
    try:
        font = ImageFont.truetype(font_path, font_size)
    except:
        font = ImageFont.load_default()

    # Helper function to calculate text size
    def get_text_size(text, font):
        bbox = draw.textbbox((0, 0), text, font=font)
        return bbox[2] - bbox[0], bbox[3] - bbox[1]

    # Top text
    text_width, text_height = get_text_size(top_text, font)
    top_text_position = ((image.width - text_width) // 2, 10)
    draw.text(top_text_position, top_text, font=font, fill="white", stroke_fill="black", stroke_width=2)

    # Bottom text
    text_width, text_height = get_text_size(bottom_text, font)
    bottom_text_position = ((image.width - text_width) // 2, image.height - text_height - 10)
    draw.text(bottom_text_position, bottom_text, font=font, fill="white", stroke_fill="black", stroke_width=2)

    return image


# Streamlit App Title
st.title("Meme Generator")

# File uploader for the image
uploaded_file = st.file_uploader("Upload an image for your meme:", type=["jpg", "jpeg", "png"])

if uploaded_file:
    # Load the uploaded image
    image = Image.open(uploaded_file)

    # Get user input for captions
    top_text = st.text_input("Top Text:", "")
    bottom_text = st.text_input("Bottom Text:", "")

    # Display the original image
    st.image(image, caption="Original Image", use_column_width=True)

    if st.button("Generate Meme"):
        # Generate meme with captions
        meme_image = add_text_to_image(image.copy(), top_text, bottom_text)

        # Display the meme
        st.image(meme_image, caption="Your Meme", use_column_width=True)

        # Provide a download link
        output_path = "meme.png"
        meme_image.save(output_path)
        with open(output_path, "rb") as file:
            btn = st.download_button(
                label="Download Meme",
                data=file,
                file_name="meme.png",
                mime="image/png"
            )

# Footer
st.write("WOW MEMES!!!")