/*
 * Copyright 2024-2026 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.cloud.ai.examples.voiceagent;

import com.alibaba.cloud.ai.graph.agent.ReactAgent;
import org.springframework.ai.chat.model.ChatModel;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * Configuration for the sandwich shop voice agent.
 *
 * <p>Reference: voice-sandwich-demo - sandwich shop assistant with add_to_order, confirm_order.
 */
@Configuration
public class VoiceAgentConfig {

	private static final String SANDWICH_AGENT_INSTRUCTION = """
			You are a helpful sandwich shop assistant. Your goal is to take the user's order.
			Be concise and friendly. Do NOT use emojis, special characters, or markdown.
			Your responses will be read by a text-to-speech engine.

			Available toppings: lettuce, tomato, onion, pickles, mayo, mustard.
			Available meats: turkey, ham, roast beef.
			Available cheeses: swiss, cheddar, provolone.
			""";

	@Bean("sandwichAgent")
	public ReactAgent sandwichAgent(ChatModel chatModel, SandwichTools sandwichTools) {
		return ReactAgent.builder()
				.name("sandwich_assistant")
				.instruction(SANDWICH_AGENT_INSTRUCTION)
				.model(chatModel)
				.methodTools(sandwichTools)
				.build();
	}
}
