using System;
using System.Diagnostics;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using Jugenddienst_Stunden.Types;
using System.Text.Json;
using ZXing.QrCode.Internal;

namespace Jugenddienst_Stunden.Models {

	class Auth {


		public static async Task<string> GetApiDataWithAuthAsync(string url, string token) {
			// Erstellen eines HttpClient-Objekts
			using (HttpClient client = new HttpClient() { Timeout = TimeSpan.FromSeconds(15) }) {

				client.DefaultRequestHeaders.Add("Accept", "application/json");

				// Hinzufügen des Bearer-Tokens zum Authorization-Header
				client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);


				//Beim Debugging im Lokalen Netz mit meinem Smartphone kommt es hier zu
				//system.net.webexception nachricht = socket closed
				//Grund: Falscher DNS-Server liefert falsche Server-IP

				// Senden der Anfrage und Abrufen der Antwort
				using (HttpResponseMessage HttpResponseMessage = await client.GetAsync(url).ConfigureAwait(false)) {
					// Überprüfen, ob die Anfrage erfolgreich war
					if (HttpResponseMessage.StatusCode == System.Net.HttpStatusCode.OK) {
						using (HttpContent HttpContent = HttpResponseMessage.Content) {
							// Lesen und Rückgabe der Antwort als String
							string responseData = await HttpContent.ReadAsStringAsync();
							return responseData;
						}
					}
				}

			}
			return null;
		}


		public static async Task SaveItemAsync(string url, string token, DayTime item, bool isNewItem = false) {
			//using (HttpClient client = new HttpClient() { Timeout = TimeSpan.FromSeconds(15) }) {

			try {
				HttpClient client = new HttpClient();
				client.DefaultRequestHeaders.Add("Accept", "application/json");
				client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);

				string json = JsonSerializer.Serialize<DayTime>(item);
				StringContent content = new StringContent(json, Encoding.UTF8, "application/json");

				HttpResponseMessage response = null;
				if (isNewItem)
					response = await client.PostAsync(url, content);
				else
					response = await client.PutAsync(url, content);

				if (response.IsSuccessStatusCode)
					Debug.WriteLine(@"\tTodoItem successfully saved.");
			} catch (Exception ex) {
				Debug.WriteLine(@"\tERROR {0}", ex.Message);
			}
			//}
		}

		public static async Task DeleteItemAsync(string url, string token) {
			//using (HttpClient client = new HttpClient() { Timeout = TimeSpan.FromSeconds(15) }) {

			try {
				HttpClient client = new HttpClient();
				client.DefaultRequestHeaders.Add("Accept", "application/json");
				client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);

				HttpResponseMessage response = await client.DeleteAsync(url);

				if (response.IsSuccessStatusCode)
					Debug.WriteLine(@"\tTodoItem successfully deleted.");
			} catch (Exception ex) {
				Debug.WriteLine(@"\tERROR {0}", ex.Message);
			}
			//}
		}


	}
}