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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) [2018-2020] Payara Foundation and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://github.com/payara/Payara/blob/master/LICENSE.txt
 * See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * The Payara Foundation designates this particular file as subject to the "Classpath"
 * exception as provided by the Payara Foundation in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * recipient has the option to distribute your version of this file under
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package fish.payara.microprofile.openapi.impl.rest.app.provider;

import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonGenerator.Feature;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
import com.fasterxml.jackson.dataformat.yaml.YAMLGenerator;
import fish.payara.microprofile.openapi.impl.model.OASFactoryResolverImpl;
import fish.payara.microprofile.openapi.impl.rest.app.provider.mixin.ExtensionsMixin;
import java.util.Map.Entry;
import java.util.function.Function;
import java.util.stream.Collectors;
import org.eclipse.microprofile.openapi.models.Constructible;

public final class ObjectMapperFactory {

    /**
     * Private constructor to hide default public one.
     */
    private ObjectMapperFactory() {
    }

    public static ObjectMapper createJson() {
        return create(new JsonFactory());
    }

    public static ObjectMapper createYaml() {
        YAMLFactory factory = new YAMLFactory();
        factory.disable(YAMLGenerator.Feature.WRITE_DOC_START_MARKER);
        factory.enable(YAMLGenerator.Feature.MINIMIZE_QUOTES);
        factory.enable(YAMLGenerator.Feature.SPLIT_LINES);
        factory.enable(YAMLGenerator.Feature.ALWAYS_QUOTE_NUMBERS_AS_STRINGS);
        return create(factory);
    }

    @SuppressWarnings("unchecked")
    public static  ObjectMapper create(JsonFactory factory) {
        ObjectMapper mapper = new ObjectMapper(factory);
        mapper.setVisibility(PropertyAccessor.FIELD, Visibility.ANY);
        mapper.setSerializationInclusion(Include.NON_EMPTY);
        mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
        mapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
        mapper.configure(SerializationFeature.WRITE_ENUMS_USING_TO_STRING, true);
        mapper.configure(DeserializationFeature.READ_ENUMS_USING_TO_STRING, true);
        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
        mapper.enable(Feature.WRITE_BIGDECIMAL_AS_PLAIN);

        // Create mapping module
        SimpleModule module = new SimpleModule();

        // Configure the implementation of each class
        for (Entry, Class> entry : OASFactoryResolverImpl.MODEL_MAP
                .entrySet()) {
            module.addAbstractTypeMapping((Class) entry.getKey(), (Class) entry.getValue());
        }

        // Configure the mixins for each type
        mapper.setMixIns(OASFactoryResolverImpl.MODEL_MAP.keySet().stream()
                .collect(Collectors.toMap(Function.identity(), c -> ExtensionsMixin.class)));

        mapper.registerModule(module);

        return mapper;
    }

}