/*
 * Copyright 2019, TeamDev. All rights reserved.
 *
 * Redistribution and use in source and/or binary forms, with or without
 * modification, must retain the above copyright notice and the following
 * disclaimer.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package io.spine.tools.protoc.iface;

import com.google.common.collect.ImmutableList;
import io.spine.code.proto.EntityStateOption;
import io.spine.option.EntityOption;
import io.spine.tools.protoc.CompilerOutput;
import io.spine.tools.protoc.EntityStateConfig;
import io.spine.type.MessageType;

import java.util.Optional;

import static com.google.common.base.Preconditions.checkNotNull;

final class GenerateEntityStateInterfaces extends InterfaceGenerationTask {

    GenerateEntityStateInterfaces(EntityStateConfig entityStateConfig) {
        super(entityStateConfig.getValue());
    }

    @Override
    public ImmutableList<CompilerOutput> generateFor(MessageType type) {
        checkNotNull(type);
        Optional<EntityOption> entityOption = EntityStateOption.valueOf(type.descriptor());
        if (!entityOption.isPresent()) {
            return ImmutableList.of();
        }
        return generateInterfacesFor(type);
    }
}

@@ -1395,16 +1395,140 @@
 NotNull;
+%0Aimport static io.spine.option.EntityOption.Kind.KIND_UNKNOWN;%0Aimport static io.spine.option.EntityOption.Kind.UNRECOGNIZED;
 %0A%0Afinal 
@@ -2020,16 +2020,234 @@
       %7D%0A
+        EntityOption.Kind kind = entityOption.get()%0A                                             .getKind();%0A        if (kind == UNRECOGNIZED %7C%7C kind == KIND_UNKNOWN) %7B%0A            return ImmutableList.of();%0A        %7D%0A
         

Check for valid entity kind when generating interfaces