import gradio as gr
from PIL import Image
import cv2

def merge_images(image1, image2, method="concatenate"):
    """
    Merges two images using the specified method.

    Args:
        image1 (PIL.Image): The first image.
        image2 (PIL.Image): The second image.
        method (str, optional): The method for merging. Defaults to "concatenate".
            Supported methods:
                - "concatenate": Concatenates the images horizontally.
                - "average": Creates an average blend of the two images.
                - "custom": Allows for custom logic using (image1, image2) as input.

    Returns:
        PIL.Image: The merged image.
    """
    img1 = cv2.resize(image1, (512,512))
    img2 = cv2.resize(image2, (512,512))
    img = img1*0.5 + img2*0.5
    img = img.astype('uint8')
  
    return img

# Define Gradio interface
interface = gr.Interface(
    fn=merge_images,
    inputs=[gr.Image(label="Image 1", type="pil"), gr.Image(label="Image 2", type="pil")],
    outputs="image",
    # Allow selection of merge method with a dropdown
    elem_id="merge-method",
    elem_attrs={"merge-method": {"type": "dropdown", "choices": ["concatenate", "average", "custom"]}},
    title="Image Merger",
    description="Merge two uploaded images using the selected method."
)

interface.launch()