# data/database.py

import sqlite3
from core.settings import settings

class Database:

    def __init__(self):
        self.conn = sqlite3.connect(settings.DATABASE_PATH, check_same_thread=False)
        self._create_tables()

    def _create_tables(self):
        cursor = self.conn.cursor()
        cursor.execute("""
            CREATE TABLE IF NOT EXISTS questions (
                id TEXT PRIMARY KEY,
                statement TEXT,
                options TEXT,
                correct_answer TEXT,
                explanation TEXT,
                topic TEXT,
                difficulty INTEGER
            )
        """)
        cursor.execute("""
            CREATE TABLE IF NOT EXISTS answers (
                id INTEGER PRIMARY KEY AUTOINCREMENT,
                question_id TEXT,
                correct BOOLEAN,
                timestamp DATETIME DEFAULT CURRENT_TIMESTAMP
            )
        """)
        self.conn.commit()