import gradio as gr
from PIL import Image
import os
from typing import List
from pdfitdown import convert_file
from pdf2image import convert_from_path

def convert_readme_to_pdf(markdown_file) -> str:
    output_path = markdown_file.name.replace('.md', '.pdf')
    convert_file(markdown_file.name, output_path)
    return output_path

def convert_image_to_pdf(image_file) -> str:
    # Open image and convert to PDF
    output_path = image_file.name.replace(os.path.splitext(image_file.name)[1], '.pdf')
    image = Image.open(image_file.name)
    if image.mode == 'RGBA':
        image = image.convert('RGB')
    image.save(output_path, 'PDF')
    return output_path

def convert_pdf_to_images(pdf_file) -> List[Image.Image]:
    # Convert PDF to list of images
    images = convert_from_path(pdf_file.name)
    return images

# Create individual interfaces
readme_to_pdf = gr.Interface(
    fn=convert_readme_to_pdf,
    inputs=gr.File(label="Upload README/Markdown file", file_types=[".md"]),
    outputs=gr.File(label="Converted PDF"),
    title="README to PDF Converter",
    description="Convert your markdown files to PDF format"
)

image_to_pdf = gr.Interface(
    fn=convert_image_to_pdf,
    inputs=gr.File(label="Upload Image", file_types=["image"]),
    outputs=gr.File(label="Converted PDF"),
    title="Image to PDF Converter",
    description="Convert your images to PDF format"
)

pdf_to_images = gr.Interface(
    fn=convert_pdf_to_images,
    inputs=gr.File(label="Upload PDF", file_types=[".pdf"]),
    outputs=gr.Gallery(label="Converted Images"),
    title="PDF to Images Converter",
    description="Convert your PDF to a series of images"
)

# Create tabbed interface
demo = gr.TabbedInterface(
    [readme_to_pdf, image_to_pdf, pdf_to_images],
    ["README to PDF", "Image to PDF", "PDF to Images"],
    title="File Conversion Tools"
)

if __name__ == "__main__":
    demo.launch(server_name="0.0.0.0", server_port=7860, debug=True)