# Made with Claude

import ollama

# Simulated database
database = {
    "users": ["Alice", "Bob", "Charlie"],
    "products": ["Chair", "Table", "Lamp"],
    "orders": ["Order#1: Alice bought Chair", "Order#2: Bob bought Lamp"],
}

def query_database(keyword):
    keyword = keyword.strip().lower()
    for key, values in database.items():
        if keyword == key.lower():
            return f"Database result for '{keyword}': {values}"
    return f"No results found for '{keyword}'"

system_prompt = """You are a helpful assistant with access to a database.
If you need to look something up in the database, output EXACTLY:
$DATABASE$
<keyword>

Where <keyword> is what you want to search for (e.g. 'users', 'products', 'orders').
Do not add anything else on those lines. Wait for the result before responding."""

def chat(user_input):
    messages = [
        {'role': 'system', 'content': system_prompt},
        {'role': 'user', 'content': user_input},
    ]

    while True:
        # Get response (non-streaming for easier parsing)
        response = ollama.chat(model='llama3.2', messages=messages)
        reply = response['message']['content']

        print(f"[Raw model output]: {reply}\n")

        # Check if the model wants to query the database
        if '$DATABASE$' in reply:
            lines = reply.strip().split('\n')
            db_index = next(i for i, l in enumerate(lines) if '$DATABASE$' in l)

            # Keyword is on the next line
            if db_index + 1 < len(lines):
                keyword = lines[db_index + 1].strip()
                db_result = query_database(keyword)
                print(f"[Database queried: '{keyword}' → {db_result}]\n")

                # Feed the result back into the conversation
                messages.append({'role': 'assistant', 'content': reply})
                messages.append({'role': 'user', 'content': f"Database result: {db_result}\nNow respond to the user."})
                # Loop again so the model can respond with the result
            else:
                print("Model requested DB but didn't provide a keyword.")
                break
        else:
            # No database call, just print the final response
            print(f"Assistant: {reply}")
            break

chat("Can you show me the list of users?")