/*
 * Copyright 2025 Google. This software is provided as-is, without warranty or representation for any use or purpose. 
 * Your use of it is subject to your agreement with Google.
 */

package com.example.mapper.conversation;
import com.google.cloud.Timestamp;

import com.example.dto.dialogflow.conversation.ConversationMessageDTO;
import com.example.dto.dialogflow.conversation.MessageType;
import org.springframework.stereotype.Component;

import java.time.Instant;
import java.util.HashMap;
import java.util.Map;

@Component
public class ConversationMessageMapper {

    public Map<String, Object> toMap(ConversationMessageDTO message) {
        Map<String, Object> map = new HashMap<>();
        map.put("entidad", message.type().name());
        map.put("tiempo", message.timestamp());
        map.put("mensaje", message.text());
        if (message.parameters() != null) {
            map.put("parametros", message.parameters());
        }
        if (message.canal() != null) {
            map.put("canal", message.canal());
        }
        return map;
    }

    public ConversationMessageDTO fromMap(Map<String, Object> map) {
        Object timeObject = map.get("tiempo");
        Instant timestamp = null;
        if (timeObject instanceof Timestamp) {
            timestamp = ((Timestamp) timeObject).toDate().toInstant();
        } else if (timeObject instanceof Instant) {
            timestamp = (Instant) timeObject;
        }
        return new ConversationMessageDTO(
                MessageType.valueOf((String) map.get("entidad")),
                timestamp,
                (String) map.get("mensaje"),
                (Map<String, Object>) map.get("parametros"),
                (String) map.get("canal")
        );
    }
}