import sqlite3

def init_db():
    conn = sqlite3.connect("db/careercoach.db")
    c = conn.cursor()
    c.execute('''CREATE TABLE IF NOT EXISTS chats (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        question TEXT,
        answer TEXT,
        timestamp DATETIME DEFAULT CURRENT_TIMESTAMP
    )''')
    conn.commit()
    conn.close()

def save_chat(question, answer):
    conn = sqlite3.connect("db/careercoach.db")
    c = conn.cursor()
    c.execute("INSERT INTO chats (question, answer) VALUES (?, ?)", (question, answer))
    conn.commit()
    conn.close()