# -*- coding: utf-8 -*-
import sys, io, base64, re
sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8', errors='replace')
import fdb

conn = fdb.connect(
    dsn=r'localhost:c:\medicus 3\data\medicus.fdb',
    user='SYSDBA', password='masterkey', charset='win1250'
)
cur = conn.cursor()

# Nacti poslednich 5 PORTAL zaznamu s DATA
cur.execute("""
    SELECT FIRST 5 ID, ODESLANO, IDFAK, ID_PODANI, DATA
    FROM PORTAL
    WHERE DATA IS NOT NULL
    ORDER BY ID DESC
""")
rows = cur.fetchall()

for row in rows:
    pid, odeslano, idfak, id_podani, data = row
    print(f"\n{'='*70}")
    print(f"PORTAL.ID={pid}  ODESLANO={odeslano}  IDFAK={idfak}  ID_PODANI={id_podani}")

    if data is None:
        print("DATA: NULL")
        continue

    # data je string (win1250)
    if isinstance(data, bytes):
        data = data.decode('win1250', errors='replace')

    # Parsuj XML obalku
    print(f"DATA (prvnich 300 zn): {data[:300]}")

    # Najdi BASE64 obsah uvnitr <Soubor ...>...</Soubor>
    m = re.search(r'<Soubor[^>]*Format="BASE64"[^>]*>(.*?)</Soubor>', data, re.DOTALL)
    if m:
        b64_raw = m.group(1).strip()
        # Dekoduj
        try:
            b64_clean = re.sub(r'\s+', '', b64_raw)
            # Padding
            b64_clean += '=' * (4 - len(b64_clean) % 4)
            html_bytes = base64.b64decode(b64_clean)
            html = html_bytes.decode('iso-8859-2', errors='replace')

            # Extrahuj text
            text = re.sub(r'<!--.*?-->', '', html, flags=re.DOTALL)
            text = re.sub(r'<script[^>]*>.*?</script>', '', text, flags=re.DOTALL)
            text = re.sub(r'<style[^>]*>.*?</style>', '', text, flags=re.DOTALL)
            text = re.sub(r'<[^>]+>', ' ', text)
            text = re.sub(r'&nbsp;', ' ', text)
            text = re.sub(r'&amp;', '&', text)
            text = re.sub(r'\s+', ' ', text).strip()

            print(f"\nDEKÓDOVANÝ HTML protokol:")
            print(text[:2000])
        except Exception as e:
            print(f"Chyba dekódování: {e}")
    else:
        # Zkus plain text odpoved (ne BASE64)
        m2 = re.search(r'<Soubor[^>]*>(.*?)</Soubor>', data, re.DOTALL)
        if m2:
            print(f"\nObsah Soubor (plain): {m2.group(1)[:500]}")

conn.close()