/******************************************************************************
 * Spine Runtimes Software License
 * Version 2.1
 * 
 * Copyright (c) 2013, Esoteric Software
 * All rights reserved.
 * 
 * You are granted a perpetual, non-exclusive, non-sublicensable and
 * non-transferable license to install, execute and perform the Spine Runtimes
 * Software (the "Software") solely for internal use. Without the written
 * permission of Esoteric Software (typically granted by licensing Spine), you
 * may not (a) modify, translate, adapt or otherwise create derivative works,
 * improvements of the Software or develop new applications using the Software
 * or (b) remove, delete, alter or obscure any trademarks or any copyright,
 * trademark, patent or other intellectual property or proprietary rights
 * notices on or in the Software, including any copy thereof. Redistributions
 * in binary or source form must include this license and terms.
 * 
 * THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "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 ESOTERIC SOFTARE 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 com.esotericsoftware.spine;

import com.badlogic.gdx.utils.Array;
import com.esotericsoftware.spine.Animation.AttachmentTimeline;
import com.esotericsoftware.spine.Animation.Timeline;
import com.esotericsoftware.spine.attachments.Attachment;

/** Unit tests for {@link AttachmentTimeline}. */
public class AttachmentTimelineTests {
	private final SkeletonData skeletonData;
	private final Skeleton skeleton;
	private Slot slot;
	private AnimationState state;

	public AttachmentTimelineTests () {
		skeletonData = new SkeletonData();

		BoneData boneData = new BoneData("bone", null);
		skeletonData.getBones().add(boneData);

		skeletonData.getSlots().add(new SlotData("slot", boneData));

		Attachment attachment1 = new Attachment("attachment1") {};
		Attachment attachment2 = new Attachment("attachment2") {};

		Skin skin = new Skin("skin");
		skin.addAttachment(0, "attachment1", attachment1);
		skin.addAttachment(0, "attachment2", attachment2);
		skeletonData.setDefaultSkin(skin);

		skeleton = new Skeleton(skeletonData);
		slot = skeleton.findSlot("slot");

		AttachmentTimeline timeline = new AttachmentTimeline(2);
		timeline.setFrame(0, 0, "attachment1");
		timeline.setFrame(1, 0.5f, "attachment2");

		Animation animation = new Animation("animation", Array.with((Timeline)timeline), 1);
		animation.setDuration(1);

		state = new AnimationState(new AnimationStateData(skeletonData));
		state.setAnimation(0, animation, true);

		test(0, attachment1);
		test(0, attachment1);
		test(0.25f, attachment1);
		test(0f, attachment1);
		test(0.25f, attachment2);
		test(0.25f, attachment2);

		System.out.println("AttachmentTimeline tests passed.");
	}

	private void test (float delta, Attachment attachment) {
		state.update(delta);
		state.apply(skeleton);
		if (slot.getAttachment() != attachment)
			throw new FailException("Wrong attachment: " + slot.getAttachment() + " != " + attachment);

	}

	static class FailException extends RuntimeException {
		public FailException (String message) {
			super(message);
		}
	}

	static public void main (String[] args) throws Exception {
		new AttachmentTimelineTests();
	}
}