from pdf2image import convert_from_path
from PIL import Image
import os
import time
import shutil

def convert_pdf_to_webp(pdf_path):
    images = convert_from_path(pdf_path)
    if not os.path.exists('img'):
        os.makedirs('img')
    for i, image in enumerate(images):
        image_path = os.path.join('img', f"page_{i}.webp")
        image.save(image_path, "WEBP")

def convert_webp_to_pdf(output_pdf):
    start_time = time.time()
    image_files = [f for f in os.listdir('img') if f.lower().endswith(('.png', '.jpg', '.jpeg', '.bmp', '.gif', '.webp'))]
    if not image_files:
        print("هیچ فایل تصویری در پوشه یافت نشد.")
        return
    image_files.sort()
    image_paths = [os.path.join('img', f) for f in image_files]
    images = [Image.open(image_path) for image_path in image_paths]
    images[0].save(output_pdf, "PDF", resolution=100.0, save_all=True, append_images=images[1:])
    print(f"فایل PDF با موفقیت ایجاد شد: {output_pdf}")
    elapsed_time = time.time() - start_time
    print(f"WebP to PDF conversion took {elapsed_time:.2f} seconds")

def convert_images_to_webp(image_paths):
    if not os.path.exists('img'):
        os.makedirs('img')
    for image_path in image_paths:
        try:
            img = Image.open(image_path)
            filename = os.path.basename(image_path)
            output_filename = os.path.splitext(filename)[0] + '.webp'
            output_path = os.path.join('img', output_filename)
            img.save(output_path, 'WEBP')
            print(f'Image {filename} converted to {output_filename}')
        except Exception as e:
            print(f'Error converting {image_path}: {e}')

def filig(file_size):
    return file_size / (1024 * 1024)

def Percentage(file1, file2):
    f = filig(file1) - filig(file2)
    g = int((f / filig(file1)) * 100)
    return str(g) + "%"