#!/usr/bin/env python3
"""
Automatischer Fix für article-data.json Fetch-URLs in Flask
Ersetzt relative URLs durch /static/ URLs
"""

import re
import os
from pathlib import Path

def fix_html_file(html_path):
    """Ersetzt die alten Fetch-URLs durch die neuen Flask-URLs"""
    
    if not os.path.exists(html_path):
        print(f"❌ Datei nicht gefunden: {html_path}")
        return False
    
    print(f"📖 Öffne: {html_path}")
    
    with open(html_path, 'r', encoding='utf-8') as f:
        content = f.read()
    
    original_content = content
    changes = []
    
    # Fix 1: fetch('article-data.json') → fetch('/static/article-data.json')
    if "fetch('article-data.json')" in content or 'fetch("article-data.json")' in content:
        content = content.replace("fetch('article-data.json')", "fetch('/static/article-data.json')")
        content = content.replace('fetch("article-data.json")', 'fetch("/static/article-data.json")')
        changes.append("✓ article-data.json URL aktualisiert")
    
    # Fix 2: fetch('config.json') → fetch('/static/config.json')
    if "fetch('config.json')" in content or 'fetch("config.json")' in content:
        content = content.replace("fetch('config.json')", "fetch('/static/config.json')")
        content = content.replace('fetch("config.json")', 'fetch("/static/config.json")')
        changes.append("✓ config.json URL aktualisiert")
    
    # Fix 3: register('service-worker.js') → register('/static/service-worker.js')
    if "register('service-worker.js')" in content or 'register("service-worker.js")' in content:
        content = content.replace("register('service-worker.js')", "register('/static/service-worker.js')")
        content = content.replace('register("service-worker.js")', 'register("/static/service-worker.js")')
        changes.append("✓ service-worker.js URL aktualisiert")
    
    if content != original_content:
        # Backup erstellen
        backup_path = html_path + ".backup"
        with open(backup_path, 'w', encoding='utf-8') as f:
            f.write(original_content)
        print(f"💾 Backup erstellt: {backup_path}")
        
        # Neue Version speichern
        with open(html_path, 'w', encoding='utf-8') as f:
            f.write(content)
        
        print(f"✅ HTML aktualisiert: {html_path}")
        for change in changes:
            print(f"   {change}")
        return True
    else:
        print("⚠️  Keine Änderungen notwendig (URLs sind bereits korrekt)")
        return False

def check_static_files():
    """Prüft ob die benötigten Dateien im static/ Ordner sind"""
    print("\n🔍 Prüfe static/ Verzeichnis...")
    
    files_to_check = ['article-data.json', 'config.json']
    found = []
    missing = []
    
    for filename in files_to_check:
        path = os.path.join('static', filename)
        if os.path.exists(path):
            size = os.path.getsize(path)
            found.append(f"  ✓ {filename} ({size} bytes)")
        else:
            missing.append(f"  ❌ {filename} (NICHT GEFUNDEN)")
    
    for msg in found:
        print(msg)
    for msg in missing:
        print(msg)
    
    return len(missing) == 0

if __name__ == "__main__":
    print("=" * 60)
    print("Fix für article-data.json Flask-URLs")
    print("=" * 60)
    
    html_file = "templates/roll_calculator.html"
    
    success = fix_html_file(html_file)
    files_ok = check_static_files()
    
    print("\n" + "=" * 60)
    if success or files_ok:
        print("✅ Fix abgeschlossen!")
        print("\n📝 Nächste Schritte:")
        print("  1. Browser neuladen (Ctrl+Shift+R)")
        print("  2. Öffne Browser Console (F12)")
        print("  3. Du solltest sehen:")
        print("     'Article data loaded: XXX items'")
        print("     'Config updated from file'")
    else:
        print("⚠️  Keine Änderungen nötig")
    print("=" * 60)