import os
import glob
from pypdf import PdfReader
from docx import Document
from pptx import Presentation

DIR = '/home/maxi/Projekt/wtc.waiswuaschd.de/data/import_2026'
files = sorted(os.listdir(DIR))

for f in files:
    path = os.path.join(DIR, f)
    ext = os.path.splitext(f)[1].lower()
    text = ""
    try:
        if ext == '.pdf':
            reader = PdfReader(path)
            for page in reader.pages:
                text += (page.extract_text() or "") + "\n"
        elif ext == '.docx':
            doc = Document(path)
            for p in doc.paragraphs:
                if p.text.strip():
                    text += p.text.strip() + "\n"
            for t in doc.tables:
                for row in t.rows:
                    row_txt = [c.text.strip() for c in row.cells if c.text.strip()]
                    if row_txt:
                        text += " | ".join(row_txt) + "\n"
        elif ext == '.pptx':
            prs = Presentation(path)
            for slide in prs.slides:
                for shape in slide.shapes:
                    if shape.has_text_frame:
                        for paragraph in shape.text_frame.paragraphs:
                            if paragraph.text.strip():
                                text += paragraph.text.strip() + "\n"
        elif ext in ['.jpg', '.png', '.jpeg']:
            text = f"[IMAGE FILE: {f}]"
        else:
            text = f"[UNKNOWN EXT: {ext}]"
    except Exception as e:
        text = f"[ERROR: {e}]"
    
    first_lines = [l.strip() for l in text.split('\n') if l.strip()][:5]
    print(f"=== {f} ({len(text)} chars) ===")
    print("\n".join(first_lines[:4]))
    print()