package dev.coph.nextusweb.server.json;

import tools.jackson.databind.ObjectMapper;


/**
 * Holder for the application-wide Jackson {@link ObjectMapper}.
 *
 * <p>A single, pre-configured mapper instance is shared across the whole server because
 * {@code ObjectMapper} is thread-safe once configured and is relatively expensive to build.
 * Centralizing it here ensures every component (request parsing, response serialization,
 * WebSocket payloads) uses identical serialization settings.</p>
 *
 * <p>This class is a static holder and cannot be instantiated.</p>
 */
public final class JsonMapper {

    /**
     * The shared, thread-safe Jackson mapper used throughout the server for all JSON reading
     * and writing.
     */
    public static final ObjectMapper MAPPER = tools.jackson.databind.json.JsonMapper.builder()
            // .addModule(new JavaTimeModule())
            .build();

    /**
     * Private constructor preventing instantiation of this static holder class.
     */
    private JsonMapper() {}
}