using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Http;
using System.Text;

namespace APICallExample
{
    public class Promotion
    {
        public string store_name;
        public string promotion_name;
        public string brand;
        public string description;
        public string category;
        public string price;
        public string offer_type;
        public string image_url;
        public string product_id;
    }

    class Program
    {
        static List<Promotion> promotions;
        static readonly string api_key = "fabd8f7d-d193-4fdf-9afc-737cb5e05717";
        static readonly string promotion_url = "http://18.185.249.107/pricepoint/api/promotions/";
        static readonly string categorize_url = "http://18.185.249.107/pricepoint/api/promotions/categorize/";
        private static readonly HttpClient client = new HttpClient();

        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");
            POST(new Uri(string.Format(categorize_url)), "{\"product_id\":\"303237\", \"category\":\"Fisk\"}");

            /*
            GET(promotion_url);
            foreach (var promotion in promotions)
            {
                Console.WriteLine(promotion.promotion_name);
            }
            */
        }

        static void GET(string url)
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "GET";
            request.Headers.Add("Api-Key", api_key);

            try
            {
                WebResponse response = request.GetResponse();
                using (Stream responseStream = response.GetResponseStream())
                {
                    StreamReader reader = new StreamReader(responseStream, System.Text.Encoding.UTF8);
                    string json = reader.ReadToEnd();
                    promotions = JsonConvert.DeserializeObject<List<Promotion>>(json);
                }
            }
            catch (WebException ex)
            {
                WebResponse errorResponse = ex.Response;
                using (Stream responseStream = errorResponse.GetResponseStream())
                {
                    StreamReader reader = new StreamReader(responseStream, System.Text.Encoding.GetEncoding("utf-8"));
                    String errorText = reader.ReadToEnd();
                    // log errorText
                }
            }
        }

        static string POST(Uri url, string value)
        {
            var request = WebRequest.Create(url);
            var byteData = Encoding.ASCII.GetBytes(value);
            request.Headers.Add("Api-Key", api_key);
            request.ContentType = "application/json";
            request.Method = "POST";

            try
            {
                using (var stream = request.GetRequestStream())
                {
                    stream.Write(byteData, 0, byteData.Length);
                }
                var response = (HttpWebResponse)request.GetResponse();
                var responseString = new StreamReader(response.GetResponseStream()).ReadToEnd();

                return responseString;
            }
            catch (WebException e)
            {
                return null;
            }
        }


    }
}