#!/usr/bin/env python3
"""Rebuild index.html from template + rezepte/*.json, sorted newest first."""

import json, glob, os

BASE = os.path.dirname(os.path.abspath(__file__))

# Load all recipes
rezepte = []
for f in sorted(glob.glob(os.path.join(BASE, 'rezepte', '*.json'))):
    with open(f) as fh:
        rezepte.append(json.load(fh))

# Sort newest first by 'erstellt' timestamp
rezepte.sort(key=lambda r: r.get('erstellt', '2000-01-01'), reverse=True)

# Load template
with open(os.path.join(BASE, 'template.html')) as fh:
    template = fh.read()

# Inject data
js = json.dumps(rezepte, ensure_ascii=False)
html = template.replace('__REZEPTE_JSON__', js)

# Write output
out = os.path.join(BASE, 'index.html')
with open(out, 'w') as fh:
    fh.write(html)

print(f'index.html rebuilt: {len(rezepte)} Rezepte, {len(html)} bytes')
for r in rezepte:
    print(f'  [{r["erstellt"]}] {r["titel"]}')