using System.Collections.Generic;
using Wwise.Wooduan.Tools;

namespace Wwise.Wooduan.Core
{
    public class PCKManager
    {
        public static bool Enabled;
        
        private static readonly Dictionary<string, uint> _loadedPackageList = new Dictionary<string, uint>();
        
        /// <summary>
        /// Load a audio package by name.
        /// </summary>
        public static void LoadPackage(string packageName)
        {
            if (!Enabled && packageName != "Init")
                return;
            if (!packageName.EndsWith(".pck"))
                packageName += ".pck";
            var result = AkSoundEngine.LoadFilePackage(packageName, out uint id);
            if (result == AKRESULT.AK_Success)
            {
                AkWooduanHelper.DebugToConsole(AudioLogVerbosity.Notification, AudioObjectType.AudioPackage, AudioTriggerSource.Initialization, AudioAction.Load, packageName);
                _loadedPackageList[packageName] = id;
            }
            else
                AkWooduanHelper.DebugToConsole(AudioLogVerbosity.Error, AudioObjectType.AudioPackage, AudioTriggerSource.Initialization, AudioAction.Load, packageName, null, result.ToString());
        }

        /// <summary>
        /// Reload a single audio package by name.
        /// </summary>
        public static void ReloadPackage(string packageName)
        {
            if (!Enabled)
                return;
            if (!_loadedPackageList.ContainsKey(packageName))
                return;
            if (!packageName.EndsWith(".pck"))
                packageName += ".pck";
            // unload file package only works with uint parameter
            var result = AkSoundEngine.UnloadFilePackage(_loadedPackageList[packageName]);
            if (result == AKRESULT.AK_Success) 
                LoadPackage(packageName);
        }
        
        /// <summary>
        /// Reload all audio packages related to voice.
        /// </summary>
        public static void ReloadVoicePackages()
        {
            if (!Enabled)
                return;
            foreach (var package in _loadedPackageList.Keys)
            {
                if (package.StartsWith("Voice")) 
                    ReloadPackage(package);
            }
        }

        /// <summary>
        /// Reload all audio packages.
        /// </summary>
        public static void ReloadAllPackages()
        {
            if (!Enabled)
                return;
            AkSoundEngine.UnloadAllFilePackages();
            foreach (var package in _loadedPackageList.Keys)
            {
                LoadPackage(package);
            }
        }
    }
}