import json
import os

SAVE_DIR = "logs/"

def save_conversation(session_id, history):
    os.makedirs(SAVE_DIR, exist_ok=True)
    with open(f"{SAVE_DIR}/{session_id}.json", "w") as f:
        json.dump(history, f)

def load_conversation(session_id):
    try:
        with open(f"{SAVE_DIR}/{session_id}.json", "r") as f:
            return json.load(f)
    except FileNotFoundError:
        return []