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/*
 * Copyright (C) 2020 Graylog, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the Server Side Public License, version 1,
 * as published by MongoDB, Inc.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * Server Side Public License for more details.
 *
 * You should have received a copy of the Server Side Public License
 * along with this program. If not, see
 * .
 */
package org.graylog2.contentpacks.jackson;

import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.core.TreeNode;
import com.fasterxml.jackson.databind.BeanProperty;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.jsontype.TypeDeserializer;
import com.fasterxml.jackson.databind.jsontype.TypeIdResolver;
import com.fasterxml.jackson.databind.jsontype.impl.AsWrapperTypeDeserializer;

import java.io.IOException;

public class AsValueReferenceTypeDeserializer extends AsWrapperTypeDeserializer {
    public AsValueReferenceTypeDeserializer(JavaType bt, TypeIdResolver idRes, String typePropertyName, boolean typeIdVisible, JavaType defaultImpl) {
        super(bt, idRes, typePropertyName, typeIdVisible, defaultImpl);
    }

    protected AsValueReferenceTypeDeserializer(AsWrapperTypeDeserializer src, BeanProperty property) {
        super(src, property);
    }

    @Override
    public TypeDeserializer forProperty(BeanProperty prop) {
        return (prop == _property) ? this : new AsValueReferenceTypeDeserializer(this, prop);
    }

    protected Object _deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
        final TreeNode treeNode = p.readValueAsTree();
        final TreeNode typeNode = treeNode.path("type");
        if (!typeNode.isObject()) {

            ctxt.reportWrongTokenException(typeNode.traverse(), JsonToken.START_OBJECT, "expected START_OBJECT before the type information and deserialized value");
        }

        final TreeNode valueNode = typeNode.path("@value");
        if (!valueNode.isValueNode()) {
            ctxt.reportWrongTokenException(typeNode.traverse(), JsonToken.VALUE_STRING, "expected VALUE_STRING as type information and deserialized value");
        }

        final JsonParser jsonParser = valueNode.traverse();
        final String typeId = jsonParser.nextTextValue();
        final JsonDeserializer