from pathlib import Path
from typing import Dict, List

class PDFParser:
    def parse(self, file_path: Path) -> Dict:
        try:
            import PyPDF2

            pages = []
            with open(file_path, 'rb') as f:
                pdf = PyPDF2.PdfReader(f)
                page_count = len(pdf.pages)

                for i, page in enumerate(pdf.pages[:50]):
                    text = page.extract_text()
                    pages.append({'page': i + 1, 'text': text, 'char_count': len(text)})

            full_text = '\n\n'.join([p['text'] for p in pages])
            has_text_layer = sum(p['char_count'] for p in pages) > 100

            return {
                'text': full_text,
                'page_count': page_count,
                'pages_extracted': len(pages),
                'has_text_layer': has_text_layer,
                'needs_ocr': not has_text_layer,
                'structure': {'type': 'document', 'pages': pages[:5]},
                'quality': 'high' if has_text_layer else 'needs_ocr'
            }
        except Exception as e:
            return {'error': str(e), 'needs_ocr': True}