/* 
 * Copyright (c) 2008 Intel Corporation
 * All rights reserved.
 * 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 Intel Corporation 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 COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``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 INTEL OR ITS
 * 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.Generic;
using System.Net;
using System.IO;
using System.Xml;
using OpenMetaverse;
using OpenMetaverse.Capabilities;
using OpenMetaverse.StructuredData;

namespace AssetServer
{
    public class AssetServer
    {
        public int HttpPort = 9001;
        public HttpServer HttpServer;

        public AssetServer()
        {
        }

        public bool Start(int port, bool ssl)
        {
            HttpPort = port;

            InitHttpServer(HttpPort, ssl);

            return true;
        }

        public void Stop()
        {
            HttpServer.Stop();
        }

        void InitHttpServer(int port, bool ssl)
        {
            HttpServer = new HttpServer(HttpPort, ssl);

            // Texture request
            HttpRequestSignature signature = new HttpRequestSignature();
            signature.Method = "get";
            signature.Path = "/";
            HttpServer.HttpRequestCallback callback = new HttpServer.HttpRequestCallback(RequestHandler);
            HttpServer.HttpRequestHandler handler = new HttpServer.HttpRequestHandler(signature, callback);
            handler.Signature = signature;
            handler.Callback = callback;
            HttpServer.AddHandler(handler);

            HttpServer.Start();
        }

        void RequestHandler(HttpRequestSignature signature, ref HttpListenerContext context)
        {
            // Split the URL up into an AssetID and a method
            string[] rawUrl = context.Request.RawUrl.Split('/');
            if (rawUrl.Length >= 3)
            {
                UUID assetID;
                if (UUID.TryParse(rawUrl[1], out assetID))
                {
                    string method = rawUrl[2];
                    string[] authHeader = context.Request.Headers.GetValues("Authorization");

                    context.Response.StatusCode = (int)HttpStatusCode.OK;
                    context.Response.StatusDescription = "Requested " + assetID.ToString() + " with method " + method;
                    context.Response.Close();

                    return;
                }
            }

            context.Response.StatusCode = (int)HttpStatusCode.NotFound;
            context.Response.StatusDescription = "Requests take the form of /AssetID/method";
            context.Response.Close();
        }
    }
}