#!/usr/bin/env python3
"""PDF to PowerPoint converter."""
import argparse, json, sys
from pathlib import Path

def convert(input_path, output_path):
    from PyPDF2 import PdfReader
    from pptx import Presentation
    from pptx.util import Inches, Pt
    
    reader = PdfReader(input_path)
    prs = Presentation()
    prs.slide_width = Inches(10)
    prs.slide_height = Inches(7.5)
    
    for i, page in enumerate(reader.pages):
        text = page.extract_text() or ''
        slide_layout = prs.slide_layouts[5]  # blank layout
        slide = prs.slides.add_slide(slide_layout)
        
        txBox = slide.shapes.add_textbox(Inches(0.5), Inches(0.5), Inches(9), Inches(6.5))
        tf = txBox.text_frame
        tf.word_wrap = True
        p = tf.paragraphs[0]
        p.text = text
        p.font.size = Pt(10)
    
    if not output_path:
        output_path = str(Path(input_path).with_suffix('.pptx'))
    
    prs.save(output_path)
    return output_path

def main():
    parser = argparse.ArgumentParser(description='Convert PDF to PowerPoint')
    parser.add_argument('--input', required=True)
    parser.add_argument('--output', required=True)
    args = parser.parse_args()
    try:
        result = convert(args.input, args.output)
        print(json.dumps({"success": True, "output": result, "message": "PDF converted to PowerPoint successfully"}))
    except Exception as e:
        print(json.dumps({"success": False, "output": "", "message": str(e)}))
        sys.exit(1)

if __name__ == '__main__':
    main()