#if UNITY_EDITOR
/*******************************************************************************
The content of this file includes portions of the proprietary AUDIOKINETIC Wwise
Technology released in source code form as part of the game integration package.
The content of this file may not be used without valid licenses to the
AUDIOKINETIC Wwise Technology.
Note that the use of the game engine is subject to the Unity(R) Terms of
Service at https://unity3d.com/legal/terms-of-service
 
License Usage
 
Licensees holding valid licenses to the AUDIOKINETIC Wwise Technology may use
this file in accordance with the end user license agreement provided with the
software or, alternatively, in accordance with the terms contained
in a written agreement between you and Audiokinetic Inc.
Copyright (c) 2024 Audiokinetic Inc.
*******************************************************************************/

[UnityEditor.InitializeOnLoad]
public class AkWwiseXMLBuilder : UnityEditor.AssetPostprocessor
{
	private static readonly System.DateTime s_LastParsed = System.DateTime.MinValue;

	static void OnPostprocessAllAssets(string[] importedAssets, string[] deletedAssets, string[] movedAssets, string[] movedFromAssetPaths, bool didDomainReload)
	{
		if (UnityEditor.AssetDatabase.IsAssetImportWorkerProcess())
		{
			return;
		}

		AkWwiseSoundbanksInfoXMLFileWatcher.Instance.PopulateXML += Populate;
		UnityEditor.EditorApplication.playModeStateChanged += PlayModeChanged;
	}

	private static void PlayModeChanged(UnityEditor.PlayModeStateChange mode)
	{
		if (mode == UnityEditor.PlayModeStateChange.EnteredEditMode)
		{
			AkWwiseProjectInfo.Populate();
			AkWwiseSoundbanksInfoXMLFileWatcher.Instance.StartWatcher();
		}
	}

	public static bool Populate()
	{
		if (UnityEditor.EditorApplication.isPlayingOrWillChangePlaymode || UnityEditor.EditorApplication.isCompiling)
		{
			return false;
		}

		try
		{
			// Try getting the SoundbanksInfo.xml file for Windows or Mac first, then try to find any other available platform.
			var logWarnings = AkBasePathGetter.LogWarnings;
			AkBasePathGetter.LogWarnings = false;
			var FullSoundbankPath = AkBasePathGetter.GetPlatformBasePath();
			AkBasePathGetter.LogWarnings = logWarnings;

			var filename = System.IO.Path.Combine(FullSoundbankPath, "SoundbanksInfo.xml");
			if (!System.IO.File.Exists(filename))
			{
				FullSoundbankPath = System.IO.Path.Combine(UnityEngine.Application.streamingAssetsPath, AkWwiseEditorSettings.Instance.SoundbankPath);

				if (!System.IO.Directory.Exists(FullSoundbankPath))
				{
					UnityEngine.Debug.Log("WwiseUnity: Could not open SoundbanksInfo.xml, generated SoundBanks path does not exist: " + FullSoundbankPath);
					return false;
				}

				var foundFiles = System.IO.Directory.GetFiles(FullSoundbankPath, "SoundbanksInfo.xml", System.IO.SearchOption.AllDirectories);
				if (foundFiles.Length == 0)
				{
					UnityEngine.Debug.Log("WwiseUnity: Could not find SoundbanksInfo.xml in directory: " + FullSoundbankPath);
					return false;
				}
				filename = foundFiles[0];
			}

			var time = System.IO.File.GetLastWriteTime(filename);
			if (time <= s_LastParsed)
			{
				UnityEngine.Debug.Log("WwiseUnity: Skipping parsing of SoundbanksInfo.xml because it has not changed.");
				return false;
			}

			var doc = new System.Xml.XmlDocument();
			doc.Load(filename);

			var bChanged = false;
			var soundBanks = doc.GetElementsByTagName("SoundBanks");
			for (var i = 0; i < soundBanks.Count; i++)
			{
				var soundBank = soundBanks[i].SelectNodes("SoundBank");
				for (var j = 0; j < soundBank.Count; j++)
				{
					bChanged = SerialiseSoundBank(soundBank[j]) || bChanged;
				}
			}

			return bChanged;
		}
		catch (System.Exception e)
		{
			UnityEngine.Debug.Log("WwiseUnity: Exception occured while parsing SoundbanksInfo.xml: " + e.ToString());
			return false;
		}
	}

	private static bool SerialiseSoundBank(System.Xml.XmlNode node)
	{
		var bChanged = false;
		var includedEvents = node.SelectNodes("Events");
		for (var i = 0; i < includedEvents.Count; i++)
		{
			var events = includedEvents[i].SelectNodes("Event");
			for (var j = 0; j < events.Count; j++)
			{
				bChanged = SerialiseEventData(events[j]) || bChanged;
			}
		}

		return bChanged;
	}

	private static float GetFloatFromString(string s)
	{
		if (string.Compare(s, "Infinite") == 0)
		{
			return UnityEngine.Mathf.Infinity;
		}
		else
		{
			System.Globalization.CultureInfo CultInfo = System.Globalization.CultureInfo.CurrentCulture.Clone() as System.Globalization.CultureInfo;
			CultInfo.NumberFormat.NumberDecimalSeparator = ".";
			CultInfo.NumberFormat.CurrencyDecimalSeparator = ".";
			float Result;
			if(float.TryParse(s, System.Globalization.NumberStyles.Float, CultInfo, out Result))
			{
				return Result;
			}
			else
			{
				UnityEngine.Debug.Log("WwiseUnity: Could not parse float number " + s);
				return 0.0f;
			}
		}
	}

	private static bool SerialiseEventData(System.Xml.XmlNode node)
	{
		var maxAttenuationAttribute = node.Attributes["MaxAttenuation"];
		var durationMinAttribute = node.Attributes["DurationMin"];
		var durationMaxAttribute = node.Attributes["DurationMax"];
		var name = node.Attributes["Name"].InnerText;
		if (maxAttenuationAttribute == null && durationMinAttribute == null && durationMaxAttribute == null)
		{
			return false;
		}

		var bChanged = false;
		foreach (var wwu in AkWwiseProjectInfo.GetData().EventWwu)
		{
			var eventData = wwu.Find(name);
			if (eventData == null)
				continue;

			if (maxAttenuationAttribute != null)
			{
				var maxAttenuation = GetFloatFromString(maxAttenuationAttribute.InnerText);
				if (eventData.maxAttenuation != maxAttenuation)
				{
					eventData.maxAttenuation = maxAttenuation;
					bChanged = true;
				}
			}

			if (durationMinAttribute != null)
			{
				var minDuration = GetFloatFromString(durationMinAttribute.InnerText);
				if (eventData.minDuration != minDuration)
				{
					eventData.minDuration = minDuration;
					bChanged = true;
				}
			}

			if (durationMaxAttribute != null)
			{
				var maxDuration = GetFloatFromString(durationMaxAttribute.InnerText);
				if (eventData.maxDuration != maxDuration)
				{
					eventData.maxDuration = maxDuration;
					bChanged = true;
				}
			}
		}
		return bChanged;
	}
}
#endif