using log4net;
using Mono.Addins;
using Nini.Config;
using OpenMetaverse;
using OpenMetaverse.StructuredData;
using OpenSim.Framework;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

[assembly: Addin("Appearance2Avatar", "0.1")]
[assembly: AddinDependency("OpenSim.Region.Framework", OpenSim.VersionInfo.VersionNumber)]
namespace OpenSim.Modules.Appearance2Avatar
{
    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "Appearance2Avatar")]

    class Appearance2Avatar : INonSharedRegionModule
    {
        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);


        private IScriptModuleComms m_scriptModule = null;
        private Scene m_scene = null;

        public string Name
        {
            get { return "Appearance2Avatar"; }
        }

        public Type ReplaceableInterface
        {
            get { return null; }
        }

        public void AddRegion(Scene scene)
        {

        }

        public void Close()
        {

        }

        public void Initialise(IConfigSource source)
        {
            
        }

        public void RegionLoaded(Scene scene)
        {
            m_scriptModule = scene.RequestModuleInterface<IScriptModuleComms>();
            if (m_scriptModule != null)
            {
                m_scriptModule.RegisterScriptInvocation(this, "osAppearance2Avatar");
            }

            m_scene = scene;
        }

        public void RemoveRegion(Scene scene)
        {
            
        }

        [ScriptInvocation]
        public void osCheckDataValue(UUID hostID, UUID scriptID, String notecard, String targetAvatar)
        {
            SceneObjectPart _host = m_scene.GetSceneObjectPart(hostID);
            ScenePresence sp = m_scene.GetScenePresence(UUID.Parse(targetAvatar));

            if(sp != null)
            {
                TaskInventoryItem notecardItem = _host.Inventory.GetInventoryItems().Find(X => X.Name == notecard);

                if(notecardItem != null)
                {
                    //GetNotecardData
                    AssetBase asset = m_scene.AssetService.Get(notecardItem.AssetID.ToString());

                    if(asset != null)
                    {
                        String _appearanceNotecard = new ASCIIEncoding().GetString(asset.Data).ToUpper();

                        OSDMap appearanceOsd = (OSDMap)OSDParser.DeserializeLLSDXml(_appearanceNotecard);
                        AvatarAppearance appearance = new AvatarAppearance();
                        appearance.Unpack(appearanceOsd);

                        sp.Appearance = appearance;
                        sp.TriggerScenePresenceUpdated();
                    }
                    else
                    {
                        m_log.Error("[" + Name + "] ERROR: Cant get asset data for appearance notecard");
                        throw new Exception("Cant get asset data for appearance notecard");
                    }

                }
                else
                {
                    m_log.Error("[" + Name + "] ERROR: Notecard not found in objekt inventory");
                    throw new Exception("Notecard not found in objekt inventory");
                }
            }
            else
            {
                m_log.Error("[" + Name + "] ERROR: Target not found in region");
                throw new Exception("Target not found in region");
            }
        }
    }
}