using System.IO;
using System.Xml.Linq;
using Wwise.Wooduan.Tools;

namespace Wwise.Wooduan.Tools
{
    /// <summary>
    /// Read SoundBanksInfo.xml and get data from it.
    /// </summary>
    public static class SoundBanksInfoReader
    {
        private static XDocument XmlFile => XDocument.Load(AkWooduanScriptingTools.CombinePath(AkBasePathGetter.GetFullSoundBankPathEditor(), "SoundBanksInfo.xml"));

        public static XElement SoundBanksNode => XmlFile.Root.Element("SoundBanks");

        public static float GetMaxAttenuation(string eventName)
        {
            foreach (var xBank in SoundBanksNode.Elements())
            {
                var xEvents = xBank.Element("IncludedEvents");
                if (xEvents == null) continue;
                foreach (var xEvent in xEvents.Elements())
                {
                    if (xEvent.Attribute("Name").Value == eventName)
                    {
                        var maxAtt = xEvent.Attribute("MaxAttenuation");
                        if (maxAtt != null)
                            return float.Parse(maxAtt.Value);
                    }
                }   
            }
            return 0f;
        }
        
        public static float GetDuration(string eventName)
        {
            foreach (var xBank in SoundBanksNode.Elements())
            {
                var xEvents = xBank.Element("IncludedEvents");
                if (xEvents == null) continue;
                foreach (var xEvent in xEvents.Elements())
                {
                    if (xEvent.Attribute("Name").Value == eventName)
                    {
                        var durationType = xEvent.Attribute("DurationType");
                        if (durationType != null && durationType.Value == "OneShot")
                        {
                            var durationMax = xEvent.Attribute("DurationMax");
                            if (durationMax != null)
                                return float.Parse(durationMax.Value);
                        }
                    }
                }   
            }
            return 0f;
        }
    }
}