"""
Cards database operations.
Pure in-memory via MemoryDB. No local files.
"""

from memory_db import get_db


def init_cards_db():
    db = get_db()
    count = db.count('cards')
    print(f"  ✅ Cards DB ready: {count} cards in memory")


def load_cards_db():
    return get_db().read('cards')


def save_cards_db(data):
    get_db().write_full('cards', data)


def get_card(code):
    return get_db().read_key('cards', code)


def set_card(code, card_data):
    get_db().write('cards', code, card_data)


def card_exists(code):
    return get_db().has_key('cards', code)