using Microsoft.Identity.Client.Platforms.Features.DesktopOs.Kerberos;
using System;
using System.Diagnostics;
using System.IO;
using System.Net;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;

namespace PWAPPv2.Source.API
{
    public class APIConnection
    {
        private static string BaseURL;

        public DataObjects.APICredentials Credentials;


        HttpClient Client;

        public APIConnection(string baseUrl, DataObjects.APICredentials credentials)
        {
            Credentials = credentials;
            BaseURL = baseUrl;

            Client = new HttpClient();
            Client.BaseAddress = new Uri(BaseURL);
            Client.DefaultRequestHeaders.Accept.Add(
                new MediaTypeWithQualityHeaderValue("application/json"));

        }


        /// <summary>
        /// Dont use. Doesn't work, sillyhead.
        /// </summary>
        /// <param name="Call"></param>
        public static async void APIGet(string Call)
        {
            using (var client = new HttpClient())
            {
                client.BaseAddress = new Uri(BaseURL);
                client.DefaultRequestHeaders.Accept.Clear();
                client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));

                HttpResponseMessage response = await client.GetAsync(Call);

            }
        }

        /// <summary>
        /// Send a post requst without data. Essentially an advanced get since I was a retard when I wrote the original API.
        /// </summary>
        /// <param name="apiUri"></param>
        /// <returns></returns>
        public string SendPostRequestAsync(string apiUri)
        {
            StringContent contetnt = new StringContent(Credentials.ToJsonString(), Encoding.UTF8, "application/json");

            var response = Client.PostAsync(apiUri, contetnt).Result;

            if (response.IsSuccessStatusCode)
            {
                return response.Content.ReadAsStringAsync().Result;
            }
            return "";
        }

        /// <summary>
        /// Send a post request with data
        /// </summary>
        /// <param name="apiUri"></param>
        /// <param name="PostData"></param>
        /// <returns></returns>
        public string SendPostRequestAsync(string apiUri, string PostData)
        {
            StringContent contetnt = new StringContent(PostData, Encoding.UTF8, "application/json");

            var response = Client.PostAsync(apiUri, contetnt).Result;

            if (response.IsSuccessStatusCode)
            {
                return response.Content.ReadAsStringAsync().Result;
            }
            return "";
        }

        /// <summary>
        /// Send a post request with the API credengials in the header of the request.
        /// </summary>
        /// <param name="apiUri"></param>
        /// <param name="PostData"></param>
        /// <returns></returns>
        /// <exception cref="RequestFailedExcpetion"></exception>
        public string SendPostWithCredsInHeader(string apiUri, string PostData)
        {
            Client.DefaultRequestHeaders.Add("UserID", Credentials.UserID);
            Client.DefaultRequestHeaders.Add("Password", Credentials.Password);
            Client.DefaultRequestHeaders.Add("PracticeID", Credentials.PracticeId);
            Client.DefaultRequestHeaders.Add("ApiID", Credentials.APIid);

            StringContent content = new StringContent(PostData, Encoding.UTF8, "application/json");
            string conts = content.ToString();

            var response = Client.PostAsync(apiUri, content).Result;

            Client.DefaultRequestHeaders.Remove("UserID");
            Client.DefaultRequestHeaders.Remove("Password");
            Client.DefaultRequestHeaders.Remove("PraticeID");
            Client.DefaultRequestHeaders.Remove("ApiID");

            if (response.IsSuccessStatusCode)
            {
                
                return response.Content.ReadAsStringAsync().Result;
            }
            throw new RequestFailedExcpetion(response.StatusCode.ToString());

        }

    }

    public class RequestFailedExcpetion : Exception
    {
        public string RequestError;
        public RequestFailedExcpetion(string errorCode)
        {
            RequestError = "Server responded with error code: " + errorCode;
        }
    }
}