// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.

#include "docsum_store_document.h"
#include "annotation_converter.h"
#include "slime_filler.h"
#include <vespa/document/base/exceptions.h>
#include <vespa/document/datatype/datatype.h>
#include <vespa/document/fieldvalue/document.h>
#include <vespa/vespalib/data/slime/inserter.h>

namespace search::docsummary {

DocsumStoreDocument::DocsumStoreDocument(std::unique_ptr<document::Document> document)
    : _document(std::move(document))
{
}

DocsumStoreDocument::~DocsumStoreDocument() = default;

DocsumStoreFieldValue
DocsumStoreDocument::get_field_value(const vespalib::string& field_name) const
{
    if (_document) {
        try {
            const document::Field& field = _document->getField(field_name);
            auto value(field.getDataType().createFieldValue());
            if (value) {
                if (_document->getValue(field, *value)) {
                    return DocsumStoreFieldValue(std::move(value));
                }
            }
        } catch (document::FieldNotFoundException&) {
            // Field was not found in document type. Return empty value.
        }
    }
    return DocsumStoreFieldValue();
}

void
DocsumStoreDocument::insert_summary_field(const vespalib::string& field_name, vespalib::slime::Inserter& inserter, IStringFieldConverter* converter) const
{
    auto field_value = get_field_value(field_name);
    if (field_value) {
        SlimeFiller::insert_summary_field(*field_value, inserter, converter);
    }
}

void
DocsumStoreDocument::insert_juniper_field(const vespalib::string& field_name, vespalib::slime::Inserter& inserter, IJuniperConverter& converter) const
{
    auto field_value = get_field_value(field_name);
    if (field_value) {
        AnnotationConverter stacked_converter(converter);
        SlimeFiller::insert_juniper_field(*field_value, inserter, stacked_converter);
    }
}

void
DocsumStoreDocument::insert_document_id(vespalib::slime::Inserter& inserter) const
{
    if (_document) {
        auto id = _document->getId().toString();
        vespalib::Memory id_view(id.data(), id.size());
        inserter.insertString(id_view);
    }
}

}