/*
 * 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.server.route.given.sur;

import io.spine.core.Subscribe;
import io.spine.server.projection.Projection;
import io.spine.server.route.given.sur.event.ArticlePublished;

import java.util.Optional;

import static io.spine.server.route.given.sur.Surrealism.opponentOf;

final class ArtistMoodProjection
        extends Projection<ArtistName, ArtistMood, ArtistMoodVBuilder> {

    @Subscribe
    void on(ArticlePublished event) {
        ArtistName self = id();
        builder().setName(self);
        ArtistName author = event.getAuthor();
        if (self.equals(author)) {
            builder().setMood(ArtistMood.Mood.CREATIVE);
        } else {
            Optional<ArtistName> opponent = opponentOf(author);
            if (opponent.isPresent()) {
                if (self.equals(opponent.get())) {
                    builder().setMood(ArtistMood.Mood.ANGER);
                }
            }
        }
    }
}

/*
 * 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.server.route.given.sur;

import io.spine.core.Subscribe;
import io.spine.server.projection.Projection;
import io.spine.server.route.given.sur.event.ArticlePublished;

import java.util.Optional;

import static io.spine.server.route.given.sur.ArtistMood.Mood.ANGER;
import static io.spine.server.route.given.sur.ArtistMood.Mood.CREATIVE;
import static io.spine.server.route.given.sur.Surrealism.opponentOf;

final class ArtistMoodProjection
        extends Projection<ArtistName, ArtistMood, ArtistMoodVBuilder> {

    /**
     * Changes the mood of the artist depending from the author of the published article.
     *
     * <p>If the published article is from this artist, he gets creative.
     * If the article is from the opponent he gets angry.
     * If nothing of these, the mood does not change.
     */
    @Subscribe
    void on(ArticlePublished event) {
        ArtistName self = id();
        builder().setName(self);
        ArtistName author = event.getAuthor();
        if (self.equals(author)) {
            builder().setMood(CREATIVE);
        } else {
            Optional<ArtistName> opponent = opponentOf(author);
            if (opponent.isPresent()) {
                if (self.equals(opponent.get())) {
                    builder().setMood(ANGER);
                }
            }
        }
    }
}

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