/*
 * 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 OpenSim 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.Generic;
using System.Collections.Specialized;
using System.Net;
using System.IO;
using System.Text;
using HttpServer;

namespace OpenSim.Framework.Servers
{
    public class OSHttpRequest
    {


        public string[] AcceptTypes
        {
            get { return _acceptTypes; }
        }
        private string[] _acceptTypes;


        public Encoding ContentEncoding
        {
            get { return _contentEncoding; }
        }
        private Encoding _contentEncoding;


        public long ContentLength
        {
            get { return _contentLength64; }
        }
        private long _contentLength64;


        public long ContentLength64
        {
            get { return ContentLength; }
        }


        public string ContentType
        {
            get { return _contentType; }
        }
        private string _contentType;


        // public CookieCollection Cookies
        // {
        //     get { return _cookies; }
        // }
        // private CookieCollection _cookies;

        public NameValueCollection Headers
        {
            get { return _headers; }
        }
        private NameValueCollection _headers;

        public string HttpMethod
        {
            get { return _httpMethod; }
        }
        private string _httpMethod;


        public Stream InputStream
        {
            get { return _inputStream; }
        }
        private Stream _inputStream;


        // public bool IsSecureConnection
        // {
        //     get { return _isSecureConnection; }
        // }
        // private bool _isSecureConnection;


        // public bool IsAuthenticated
        // {
        //     get { return _isAuthenticated; }
        // }
        // private bool _isAuthenticated;


        public bool HasEntityBody
        {
            get { return _hasbody; }
        }
        private bool _hasbody;


        public bool KeepAlive
        {
            get { return _keepAlive; }
        }
        private bool _keepAlive;


        public string RawUrl
        {
            get { return _rawUrl; }
        }
        private string _rawUrl;


        public Uri Url
        {
            get { return _url; }
        }
        private Uri _url;


        public string UserAgent
        {
            get { return _userAgent; }
        }
        private string _userAgent;


        public NameValueCollection QueryString
        {
            get { return _queryString; }
        }
        private NameValueCollection _queryString;

        public Hashtable Query
        {
            get { return _query; }
        }
        private Hashtable _query;


        public IPEndPoint RemoteIPEndPoint
        {
            get { return _ipEndPoint; }
        }
        private IPEndPoint _ipEndPoint;


        internal HttpRequest HttpRequest
        {
            get { return _request; }
        }
        private HttpRequest _request;


        internal HttpClientContext HttpClientContext
        {
            get { return _context; }
        }
        private HttpClientContext _context;

        
        /// <summary>
        /// Internal whiteboard for handlers to store temporary stuff
        /// into.
        /// </summary>
        internal Dictionary<string, object> Whiteboard
        {
            get { return _whiteboard; }
        }
        private Dictionary<string, object> _whiteboard = new Dictionary<string, object>();


        public OSHttpRequest()
        {
        }


        public OSHttpRequest(HttpListenerRequest req)
        {
            _acceptTypes = req.AcceptTypes;
            _contentEncoding = req.ContentEncoding;
            _contentLength64 = req.ContentLength64;
            _contentType = req.ContentType;
            _headers = req.Headers;
            _httpMethod = req.HttpMethod;
            _hasbody = req.HasEntityBody;
            _inputStream = req.InputStream;
            _keepAlive = req.KeepAlive;
            _rawUrl = req.RawUrl;
            _url = req.Url;
            _queryString = req.QueryString;
            _userAgent = req.UserAgent;
            _ipEndPoint = req.RemoteEndPoint;

            // _cookies = req.Cookies;
            // _isSecureConnection = req.IsSecureConnection;
            // _isAuthenticated = req.IsAuthenticated;
        }

        public OSHttpRequest(HttpClientContext context, HttpRequest req)
        {
            _context = context;
            _request = req;

            _acceptTypes = req.AcceptTypes;
            if (null != req.Headers["content-encoding"])
                _contentEncoding = Encoding.GetEncoding(_request.Headers["content-encoding"]);
            _contentLength64 = req.ContentLength;
            if (null != req.Headers["content-type"])
                _contentType = _request.Headers["content-type"];
            _headers = req.Headers;
            _httpMethod = req.Method;
            _hasbody = req.ContentLength != 0;
            _inputStream = req.Body;
            _keepAlive = ConnectionType.KeepAlive == req.Connection;
            _rawUrl = req.Uri.AbsolutePath;
            _url = req.Uri;
            if (null != req.Headers["user-agent"])
                _userAgent = req.Headers["user-agent"];
            _queryString = new NameValueCollection();
            _query = new Hashtable();
            foreach (KeyValuePair<string, HttpInputItem> q in req.QueryString)
            {
                _queryString.Add(q.Key, q.Value.Value);
                _query[q.Key] = q.Value.Value;
            }
            // TODO: requires change to HttpServer.HttpRequest
            _ipEndPoint = null;

            // _cookies = req.Cookies;
            // _isSecureConnection = req.IsSecureConnection;
            // _isAuthenticated = req.IsAuthenticated;
        }

        public override string ToString()
        {
            StringBuilder me = new StringBuilder();
            me.Append(String.Format("OSHttpRequest: {0} {1}\n", HttpMethod, RawUrl));
            foreach (string k in Headers.AllKeys)
            {
                me.Append(String.Format("    {0}: {1}\n", k, Headers[k]));
            }
            if (null != RemoteIPEndPoint)
            {
                me.Append(String.Format("    IP: {0}\n", RemoteIPEndPoint.ToString()));
            }

            return me.ToString();
        }
    }
}