package org.example.agent.tool;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.ai.tool.annotation.Tool;
import org.springframework.context.i18n.LocaleContextHolder;
import org.springframework.stereotype.Component;

import java.time.LocalDateTime;

@Component
public class DateTimeTools {

    private static final Logger logger = LoggerFactory.getLogger(DateTimeTools.class);
    
    /** 工具名常量，用于动态构建提示词 */
    public static final String TOOL_GET_CURRENT_DATETIME = "getCurrentDateTime";
    
    @Tool(description = "Get the current date and time in the user's timezone. " +
            "IMPORTANT: Time changes constantly. Always call this tool when user asks about time, " +
            "even if there's a recent time query in the conversation history.")
    public String getCurrentDateTime() {
        String currentTime = LocalDateTime.now().atZone(LocaleContextHolder.getTimeZone().toZoneId()).toString();
        logger.debug("🕐 getCurrentDateTime 调用 - 返回时间: {}", currentTime);
        return currentTime;
    }
}