/*
 * 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.dto.dialogflow.conversation;

import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonProperty;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;

@JsonIgnoreProperties(ignoreUnknown = true)
public record QueryParamsDTO(
    @JsonProperty("parameters") Map<String, Object> parameters) {

    public QueryParamsDTO {
        parameters = Objects.requireNonNullElseGet(parameters, HashMap::new);
        parameters = new HashMap<>(parameters); 
    }

    public QueryParamsDTO withSessionParameter(String key, Object value) {
        Map<String, Object> updatedParams = new HashMap<>(this.parameters());
        updatedParams.put(key, value);
        return new QueryParamsDTO(updatedParams); 
    }

    public QueryParamsDTO withSessionParameters(Map<String, Object> parameters) {
        Map<String, Object> updatedParams = new HashMap<>(this.parameters());
        updatedParams.putAll(parameters);
        return new QueryParamsDTO(updatedParams);
    }
}