import json
import re

with open("BACKEND/scripts/archive_surah_audio_mappings.json", "r", encoding="utf-8") as f:
    mappings = json.load(f)

# Read kUrduSurahFilenames from tafsir_audio_service.dart
with open("FRONTEND/lib/services/tafsir_audio_service.dart", "r", encoding="utf-8") as f:
    dart_code = f.read()

m = re.search(r"static const Map<int, String> kUrduSurahFilenames = \{(.*?)\};", dart_code, re.DOTALL)
israr_ur = {}
if m:
    lines = m.group(1).splitlines()
    for l in lines:
        lm = re.search(r'(\d+):\s*"([^"]+)"', l)
        if lm:
            israr_ur[int(lm.group(1))] = lm.group(2)

maududi_ur = {int(k): v for k, v in mappings['Maududi_Urdu'].items()}
ibn_kathir_ur = {int(k): v for k, v in mappings['Ibn_Kathir_Urdu'].items()}
maududi_en = {int(k): v for k, v in mappings['Maududi_English'].items()}

diff_maududi = [i for i in range(1, 115) if israr_ur.get(i) != maududi_ur.get(i)]
diff_ibn_kathir = [i for i in range(1, 115) if israr_ur.get(i) != ibn_kathir_ur.get(i)]

print(f"Maududi Urdu diff vs Israr Urdu: {len(diff_maududi)} differences.")
if diff_maududi:
    for i in diff_maududi[:5]:
        print(f"  Surah {i}:")
        print(f"    Israr:   {israr_ur.get(i)}")
        print(f"    Maududi: {maududi_ur.get(i)}")

print(f"Ibn Kathir Urdu diff vs Israr Urdu: {len(diff_ibn_kathir)} differences.")
if diff_ibn_kathir:
    for i in diff_ibn_kathir[:5]:
        print(f"  Surah {i}:")
        print(f"    Israr:      {israr_ur.get(i)}")
        print(f"    Ibn Kathir: {ibn_kathir_ur.get(i)}")