/*
 * Copyright (c) Contributors, http://opensimulator.org/
 * See CONTRIBUTORS.TXT for a full list of copyright holders.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the OpenSimulator Project nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

using System;
using System.Collections;
using System.Collections.Specialized;
using System.Reflection;
using System.IO;
using System.Web;
using Mono.Addins;
using log4net;
using Nini.Config;
using OpenMetaverse;
using OpenMetaverse.StructuredData;
using OpenSim.Framework;
using OpenSim.Framework.Servers;
using OpenSim.Framework.Servers.HttpServer;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Services.Interfaces;
using Caps = OpenSim.Framework.Capabilities.Caps;
using OpenSim.Framework.Capabilities;

namespace OpenSim.Region.CoreModules.Avatar.Assets
{
    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
    public class UploadObjectAssetModule : INonSharedRegionModule
    {
        private static readonly ILog m_log =
            LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
        private Scene m_scene;
        private IAssetService m_assetService;
        private bool m_dumpAssetsToFile = false;

        #region IRegionModuleBase Members


        public Type ReplaceableInterface
        {
            get { return null; }
        }

        public void Initialise(IConfigSource source)
        {
           
        }

        public void AddRegion(Scene pScene)
        {
            m_scene = pScene;
        }

        public void RemoveRegion(Scene scene)
        {
            
            m_scene.EventManager.OnRegisterCaps -= RegisterCaps;
            m_scene = null;
        }

        public void RegionLoaded(Scene scene)
        {
            
            m_assetService = m_scene.RequestModuleInterface<IAssetService>();
            m_scene.EventManager.OnRegisterCaps += RegisterCaps;
        }

        #endregion


        #region IRegionModule Members

       

        public void Close() { }

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


        public void RegisterCaps(UUID agentID, Caps caps)
        {
            UUID capID = UUID.Random();

            m_log.Info("[GETMESH]: /CAPS/" + capID);
            caps.RegisterHandler("UploadObjectAsset",

                    new LLSDStreamhandler<LLSDAssetUploadRequest, LLSDAssetUploadResponse>("POST",
                                                                                           "/CAPS/" + capID.ToString(),
                                                                                           delegate(LLSDAssetUploadRequest req)
                                                       {
                                                           return NewAgentInventoryRequest(req,agentID);
                                                       }));
         
        }

        #endregion
       
        public LLSDAssetUploadResponse NewAgentInventoryRequest(LLSDAssetUploadRequest llsdRequest, UUID agentID)
        {
            //if (llsdRequest.asset_type == "texture" ||
           //     llsdRequest.asset_type == "animation" ||
           //     llsdRequest.asset_type == "sound")
           // {
                IClientAPI client = null;

                
                IMoneyModule mm = m_scene.RequestModuleInterface<IMoneyModule>();
                
                if (mm != null)
                {
                    if (m_scene.TryGetClient(agentID, out client))
                    {
                        if (!mm.UploadCovered(client, mm.UploadCharge))
                        {
                            if (client != null)
                                client.SendAgentAlertMessage("Unable to upload asset. Insufficient funds.", false);

                            LLSDAssetUploadResponse errorResponse = new LLSDAssetUploadResponse();
                            errorResponse.uploader = "";
                            errorResponse.state = "error";
                            return errorResponse;
                        }
                    }
                }
           // }
            


            string assetName = llsdRequest.name;
            string assetDes = llsdRequest.description;
            string capsBase = "/CAPS/UploadObjectAsset/";
            UUID newAsset = UUID.Random();
            UUID newInvItem = UUID.Random();
            UUID parentFolder = llsdRequest.folder_id;
            string uploaderPath = Util.RandomClass.Next(5000, 8000).ToString("0000");

            Caps.AssetUploader uploader =
                new Caps.AssetUploader(assetName, assetDes, newAsset, newInvItem, parentFolder, llsdRequest.inventory_type,
                                  llsdRequest.asset_type, capsBase + uploaderPath, MainServer.Instance, m_dumpAssetsToFile);
            MainServer.Instance.AddStreamHandler(
                new BinaryStreamHandler("POST", capsBase + uploaderPath, uploader.uploaderCaps));

            string protocol = "http://";

            if (MainServer.Instance.UseSSL)
                protocol = "https://";

            string uploaderURL = protocol + m_scene.RegionInfo.ExternalHostName + ":" + MainServer.Instance.Port.ToString() + capsBase +
                                 uploaderPath;

            LLSDAssetUploadResponse uploadResponse = new LLSDAssetUploadResponse();
            uploadResponse.uploader = uploaderURL;
            uploadResponse.state = "upload";
            
            uploader.OnUpLoad += delegate(
                string passetName, string passetDescription, UUID passetID,
                UUID pinventoryItem, UUID pparentFolder, byte[] pdata, string pinventoryType,
                string passetType)
               {
                   UploadCompleteHandler(passetName, passetDescription,  passetID,
                                          pinventoryItem, pparentFolder, pdata,  pinventoryType,
                                          passetType,agentID);
               };
            return uploadResponse;
        }

       
        public void UploadCompleteHandler(string assetName, string assetDescription, UUID assetID,
                                          UUID inventoryItem, UUID parentFolder, byte[] data, string inventoryType,
                                          string assetType,UUID AgentID)
        {
            sbyte assType = 0;
            sbyte inType = 0;

            if (inventoryType == "sound")
            {
                inType = 1;
                assType = 1;
            }
            else if (inventoryType == "animation")
            {
                inType = 19;
                assType = 20;
            }
            else if (inventoryType == "wearable")
            {
                inType = 18;
                switch (assetType)
                {
                    case "bodypart":
                        assType = 13;
                        break;
                    case "clothing":
                        assType = 5;
                        break;
                }
            }

            AssetBase asset;
            asset = new AssetBase(assetID, assetName, assType, AgentID.ToString());
            asset.Data = data;
    
            if (m_scene.AssetService != null)
                m_scene.AssetService.Store(asset);

            InventoryItemBase item = new InventoryItemBase();
            item.Owner = AgentID;
            item.CreatorId = AgentID.ToString();
            item.ID = inventoryItem;
            item.AssetID = asset.FullID;
            item.Description = assetDescription;
            item.Name = assetName;
            item.AssetType = assType;
            item.InvType = inType;
            item.Folder = parentFolder;
            item.CurrentPermissions = 2147483647;
            item.BasePermissions = 2147483647;
            item.EveryOnePermissions = 0;
            item.NextPermissions = 2147483647;
            item.CreationDate = Util.UnixTimeSinceEpoch();
            m_scene.AddInventoryItem(item);
            
        }
    }
}