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/*
 * Copyright 2022 dmfs GmbH
 *
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package org.saynotobugs.confidence.rxjava3.rxexpectation;

import org.dmfs.jems2.iterable.Mapped;
import org.dmfs.jems2.iterable.Seq;
import org.dmfs.srcless.annotations.staticfactory.StaticFactories;
import org.saynotobugs.confidence.Quality;
import org.saynotobugs.confidence.quality.composite.Has;
import org.saynotobugs.confidence.quality.composite.Implied;
import org.saynotobugs.confidence.quality.iterable.HasNumberOfElements;
import org.saynotobugs.confidence.quality.iterable.Iterates;
import org.saynotobugs.confidence.quality.object.EqualTo;
import org.saynotobugs.confidence.rxjava3.RxExpectation;
import org.saynotobugs.confidence.rxjava3.RxExpectationComposition;
import org.saynotobugs.confidence.rxjava3.RxTestAdapter;
import org.saynotobugs.confidence.rxjava3.rxexpectation.internal.NoErrors;


@StaticFactories(value = "RxJava3", packageName = "org.saynotobugs.confidence.rxjava3")
public final class Emits extends RxExpectationComposition
{

    /**
     * Creates an {@link RxExpectation} that verifies whether the {@link RxTestAdapter} contains the given emission.
     */
    public Emits(T emission)
    {
        this(1, new Implied<>(new Seq<>(new HasNumberOfElements(1)), new Has<>(i -> i.iterator().next(), emission)));
    }


    /**
     * Creates an {@link RxExpectation} that verifies whether the {@link RxTestAdapter} contains the given emissions in the given order.
     */
    @SafeVarargs
    public Emits(T... emissions)
    {
        this(emissions.length, new Mapped<>(EqualTo::new, new Seq<>(emissions)));
    }

    public Emits(Quality emissionQuality)
    {
        this(1, new Implied<>(new Seq<>(new HasNumberOfElements(1)), new Has<>(i -> i.iterator().next(), emissionQuality)));
    }


    @SafeVarargs
    public Emits(Quality... emissionQualities)
    {
        this(emissionQualities.length, new Seq<>(emissionQualities));
    }


    public Emits(int emissionCount, Iterable> emissionsQualities)
    {
        this(emissionCount, new Iterates<>(emissionsQualities));
    }


    public Emits(int emissionCount, Quality> emissionsQuality)
    {
        super(testScheduler ->
            new Implied<>(
                new Seq<>(new NoErrors<>()),
                new org.saynotobugs.confidence.rxjava3.rxexpectation.internal.Emits<>(emissionCount, emissionsQuality)));
    }
}