using System;
using System.Collections.Specialized;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Web;
using System.Xml.Serialization;
using Newtonsoft.Json;

/*
	The App requires References to System.Web to use function HttpUtility.UrlEncode
	and Requires external reference Newtonsoft.Json to use function JsonConvert.SerializeObject, to install it use NuGet Package Manager, https://www.nuget.org/packages/newtonsoft.json/
		Install-Package Newtonsoft.Json
*/


namespace ConsoleApplication1
{
    public class Program
    {
        public class PRequest
        {
            public string Account { get; set; }
            public string ApiKey { get; set; }
            public string IdDevice { get; set; }
            public string StartUTC { get; set; }
            public string EndUTC { get; set; }
            public bool LastLocation { get; set; } // Only for query GetLocation
			public bool LastAlert { get; set; } // Only for query GetAlert

            public PRequest()
            {
                Account = "user@plaspy.com";
                ApiKey = "MyAPIKey";
                IdDevice = "IdDevice";
                LastPosition = true;
                StartUTC = DateTime.UtcNow.AddHours(-12).ToString("O");
                EndUTC = DateTime.UtcNow.ToString("O");
            }

            public string GetParamsRequest()
            {

                NameValueCollection request = new NameValueCollection();

                request["Account"] = Account;
                request["ApiKey"] = ApiKey;
                request["IdDevice"] = IdDevice;
                request["StartUTC"] = StartUTC;
                request["EndUTC"] = EndUTC;
                request["LastPosition"] = LastPosition.ToString();

                return string.Join("&", request.Cast<string>().Select(e => e + "=" + HttpUtility.UrlEncode(request[e])));
            }

            public string GetXMLRequest()
            {

                StringBuilder builder = new StringBuilder();
                XmlSerializer s = new XmlSerializer(this.GetType());
                using (StringWriter writer = new StringWriter(builder))
                {
                    s.Serialize(writer, this);
                }
                return builder.ToString().Replace("utf-16", "utf-8");
            }

            public string GetJSONRequest()
            {

                return JsonConvert.SerializeObject(this);
            }
        }

        public const string APIURL = "https://api.plaspy.com/api/";

        private static string GetPOSTResponse(string operation, string contentType, string data)
        {
            HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(APIURL + operation);

            request.Method = "POST";
            request.ContentType = contentType + ";charset=utf-8";

            UTF8Encoding encoding = new UTF8Encoding();
            byte[] bytes = encoding.GetBytes(data);

            request.ContentLength = bytes.Length;

            using (Stream requestStream = request.GetRequestStream())
            {
                // Send the data.
                requestStream.Write(bytes, 0, bytes.Length);
            }
            WebResponse webResponse = request.GetResponse();
            //get result and release source 
            using (StreamReader reader = new StreamReader(webResponse.GetResponseStream(), Encoding.UTF8))
            {
                return reader.ReadToEnd();
            }
        }

        private static string GetGetResponse(string operation, string contentType, string data)
        {
            HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(APIURL + operation + "?" + data);

            request.Method = "GET";
            request.ContentType = contentType + ";charset=utf-8";

            WebResponse webResponse = request.GetResponse();
            //get result and release source 
            using (StreamReader reader = new StreamReader(webResponse.GetResponseStream(), Encoding.UTF8))
            {
                return reader.ReadToEnd();
            }
        }

        private static void MakeRequest(string operation, string message, string contentType, string request, bool post)
        {
            Console.WriteLine(message);
            Console.WriteLine("Request: {0}", request);
            string response = post ? GetPOSTResponse(operation, contentType, request) : GetGetResponse(operation, contentType, request);
            Console.WriteLine("Response: {0}", response);
            Console.WriteLine();
        }

        private static void MakePostRequest(string operation, string message, string contentType, string request)
        {
            MakeRequest(operation, message, contentType, request, true);
        }

        private static void MakeGetRequest(string operation, string message, string contentType, string request)
        {
            MakeRequest(operation, message, contentType, request, false);
        }

        static void Main(string[] args)
        {
            PRequest request = new PRequest();
            Console.WriteLine("GetLocation");
            MakePostRequest("GetLocation", "Testing POST", "application/x-www-form-urlencoded", request.GetParamsRequest());
            MakePostRequest("GetLocation", "Testing POST XML", "text/xml", request.GetXMLRequest());
            MakePostRequest("GetLocation", "Testing POST JSON", "application/json", request.GetJSONRequest());
            MakeGetRequest("GetLocation", "Testing Get JSON", "application/json", request.GetParamsRequest());

            Console.WriteLine("GetAlert");
            MakePostRequest("GetAlert", "Testing POST", "application/x-www-form-urlencoded", request.GetParamsRequest());
            MakePostRequest("GetAlert", "Testing POST XML", "text/xml", request.GetXMLRequest());
            MakePostRequest("GetAlert", "Testing POST JSON", "application/json", request.GetJSONRequest());
            MakeGetRequest("GetAlert", "Testing Get JSON", "application/json", request.GetParamsRequest());
        }
    }
}