/************************************************************************************
Copyright : Copyright (c) Facebook Technologies, LLC and its affiliates. All rights reserved.

Your use of this SDK or tool is subject to the Oculus SDK License Agreement, available at
https://developer.oculus.com/licenses/oculussdk/

Unless required by applicable law or agreed to in writing, the Utilities SDK 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.
************************************************************************************/

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;

using System.IO;
using System;

public class OVRRuntimeSettings : ScriptableObject
{
	public OVRManager.ColorSpace colorSpace = OVRManager.ColorSpace.Rift_CV1;

#if UNITY_EDITOR
	private static string GetOculusRuntimeSettingsAssetPath()
	{
		string resourcesPath = Path.Combine(Application.dataPath, "Resources");
		if (!Directory.Exists(resourcesPath))
		{
			Directory.CreateDirectory(resourcesPath);
		}

		string settingsAssetPath = Path.GetFullPath(Path.Combine(resourcesPath, "OculusRuntimeSettings.asset"));
		Uri configUri = new Uri(settingsAssetPath);
		Uri projectUri = new Uri(Application.dataPath);
		Uri relativeUri = projectUri.MakeRelativeUri(configUri);

		return relativeUri.ToString();
	}

	public static void CommitRuntimeSettings(OVRRuntimeSettings runtimeSettings)
	{
		string runtimeSettingsAssetPath = GetOculusRuntimeSettingsAssetPath();
		if (AssetDatabase.GetAssetPath(runtimeSettings) != runtimeSettingsAssetPath)
		{
			Debug.LogWarningFormat("The asset path of RuntimeSettings is wrong. Expect {0}, get {1}", runtimeSettingsAssetPath, AssetDatabase.GetAssetPath(runtimeSettings));
		}
		EditorUtility.SetDirty(runtimeSettings);
	}
#endif

	public static OVRRuntimeSettings GetRuntimeSettings()
	{
		OVRRuntimeSettings settings = null;
#if UNITY_EDITOR
		string oculusRuntimeSettingsAssetPath = GetOculusRuntimeSettingsAssetPath();
		try
		{
			settings = AssetDatabase.LoadAssetAtPath(oculusRuntimeSettingsAssetPath, typeof(OVRRuntimeSettings)) as OVRRuntimeSettings;
		}
		catch (System.Exception e)
		{
			Debug.LogWarningFormat("Unable to load RuntimeSettings from {0}, error {1}", oculusRuntimeSettingsAssetPath, e.Message);
		}

		if (settings == null && !BuildPipeline.isBuildingPlayer)
		{
			settings = ScriptableObject.CreateInstance<OVRRuntimeSettings>();

			AssetDatabase.CreateAsset(settings, oculusRuntimeSettingsAssetPath);
		}
#else
		settings = Resources.Load<OVRRuntimeSettings>("OculusRuntimeSettings");
		if (settings == null)
		{
			Debug.LogWarning("Failed to load runtime settings. Using default runtime settings instead.");
			settings = ScriptableObject.CreateInstance<OVRRuntimeSettings>();
		}
#endif
		return settings;
	}
}