/******************************************************************************
 * Spine Runtimes License Agreement
 * Last updated September 24, 2021. Replaces all prior versions.
 *
 * Copyright (c) 2013-2021, Esoteric Software LLC
 *
 * Integration of the Spine Runtimes into software or otherwise creating
 * derivative works of the Spine Runtimes is permitted under the terms and
 * conditions of Section 2 of the Spine Editor License Agreement:
 * http://esotericsoftware.com/spine-editor-license
 *
 * Otherwise, it is permitted to integrate the Spine Runtimes into software
 * or otherwise create derivative works of the Spine Runtimes (collectively,
 * "Products"), provided that each user of the Products must obtain their own
 * Spine Editor license and redistribution of the Products in any form must
 * include this license and copyright notice.
 *
 * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "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 SOFTWARE LLC BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
 * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) 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
 * THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/

using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using System;
using System.IO;

#if WINDOWS_STOREAPP
using System.Threading.Tasks;
using Windows.Storage;
#endif

namespace Spine {

	static public class Util {
#if WINDOWS_STOREAPP
		private static async Task<Texture2D> LoadFile(GraphicsDevice device, String path) {
			var folder = Windows.ApplicationModel.Package.Current.InstalledLocation;
			var file = await folder.GetFileAsync(path).AsTask().ConfigureAwait(false);
			try {
				return Util.LoadTexture(device, await file.OpenStreamForReadAsync().ConfigureAwait(false));
			} catch (Exception ex) {
				throw new Exception("Error reading texture file: " + path, ex);
			}
		}

		static public Texture2D LoadTexture (GraphicsDevice device, String path) {
			return LoadFile(device, path).Result;
		}
#else
		static public Texture2D LoadTexture (GraphicsDevice device, String path) {

#if WINDOWS_PHONE
			Stream stream = Microsoft.Xna.Framework.TitleContainer.OpenStream(path);
			using (Stream input = stream) {
#else
			using (Stream input = new FileStream(path, FileMode.Open, FileAccess.Read)) {
#endif
				try {
					return Util.LoadTexture(device, input);
				} catch (Exception ex) {
					throw new Exception("Error reading texture file: " + path, ex);
				}
			}
		}
#endif

		static public Texture2D LoadTexture (GraphicsDevice device, Stream input) {
			return Texture2D.FromStream(device, input);
		}
	}
}