using TechHelper.Client.AuthProviders;
using Entities.DTO;
using Microsoft.AspNetCore.Components.Authorization;
using System.Net.Http;
using System.Net.Http.Json;
using System.Text.Json;
using System.Net;
using Microsoft.AspNetCore.Components;
using Microsoft.AspNetCore.WebUtilities;
using Microsoft.JSInterop;

namespace TechHelper.Client.HttpRepository
{
	public class AuthenticationClientService : IAuthenticationClientService
	{
		private HttpClient _client;
		private readonly IHttpClientFactory _clientFactory;
		private readonly JsonSerializerOptions _options =
			new JsonSerializerOptions { PropertyNameCaseInsensitive = true };
		private readonly AuthenticationStateProvider _stateProvider;
		private readonly ILocalStorageService _localStorageService;
		private readonly NavigationManager _navigationManager;

		public AuthenticationClientService(IHttpClientFactory httpClientFactory,
			AuthenticationStateProvider authenticationStateProvider,
			ILocalStorageService localStorageService,
			NavigationManager navigationManager)
		{
			_clientFactory = httpClientFactory;
			//_client = httpClientFactory.CreateClient("Default");
			_localStorageService = localStorageService;
			_stateProvider = authenticationStateProvider;
			_navigationManager = navigationManager;
		}

		public async Task<AuthResponseDto> LoginAsync(UserForAuthenticationDto userForAuthenticationDto)
		{
			using (_client = _clientFactory.CreateClient("Default"))
			{

				var reponse = await _client.PostAsJsonAsync("account/login",
					userForAuthenticationDto);

				var content = await reponse.Content.ReadAsStringAsync();

				var result = JsonSerializer.Deserialize<AuthResponseDto>(content, _options);

				if (!reponse.IsSuccessStatusCode || result.Is2StepVerificationRequired)
					return result;

				 _localStorageService.SetItem("authToken", result.Token);
				 _localStorageService.SetItem("refreshToken", result.RefreshToken);
				((AuthStateProvider)_stateProvider).NotifyUserAuthentication(
					result.Token);

				_client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue(
					"bearer", result.Token);

				return new AuthResponseDto { IsAuthSuccessful = true };
			}
		}

		public async Task LogoutAsync()
		{
			using (_client = _clientFactory.CreateClient("Default"))
			{
				 _localStorageService.RemoveItem("authToken");
				 _localStorageService.RemoveItem("refreshToken");
				((AuthStateProvider)_stateProvider).NotifyUserLogout();

				_client.DefaultRequestHeaders.Authorization = null;
			}
		}

		public async Task<string> RefreshTokenAsync()
		{
			using (_client = _clientFactory.CreateClient("Default"))
			{
				var token =  _localStorageService.GetItem<string>("authToken");
				var refreshToken =  _localStorageService.GetItem<string>("refreshToken");

				var response = await _client.PostAsJsonAsync("token/refresh",
					new RefreshTokenDto
					{
						Token = token,
						RefreshToken = refreshToken
					});

				var content = await response.Content.ReadAsStringAsync();
				var result = JsonSerializer.Deserialize<AuthResponseDto>(content, _options);

				 _localStorageService.SetItem("authToken", result.Token);
				 _localStorageService.SetItem("refreshToken", result.RefreshToken);

				_client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("bearer", result.Token);

				return result.Token;
			}
		}

		public async Task<ResponseDto> RegisterUserAsync(UserForRegistrationDto userForRegistrationDto)
		{
			using (_client = _clientFactory.CreateClient("Default"))
			{


				userForRegistrationDto.ClientURI = Path.Combine(
					_navigationManager.BaseUri, "emailconfirmation");

				var reponse = await _client.PostAsJsonAsync("account/register",
					userForRegistrationDto);

				if (!reponse.IsSuccessStatusCode)
				{
					var content = await reponse.Content.ReadAsStringAsync();

					var result = JsonSerializer.Deserialize<ResponseDto>(content, _options);

					return result;
				}

				return new ResponseDto { IsSuccessfulRegistration = true };
			}
		}

		public async Task<HttpStatusCode> ForgotPasswordAsync(ForgotPasswordDto forgotPasswordDto)
		{
			using (_client = _clientFactory.CreateClient("Default"))
			{


				forgotPasswordDto.ClientURI = Path.Combine(_navigationManager.BaseUri, "resetpassword");
				var result = await _client.PostAsJsonAsync("account/forgotpassword",
					forgotPasswordDto);

				return result.StatusCode;
			}
		}

		public async Task<ResetPasswordResponseDto> ResetPasswordAsync(ResetPasswordDto resetPasswordDto)
		{
			using (_client = _clientFactory.CreateClient("Default"))
			{
				var resetresult = await _client.PostAsJsonAsync("account/resetpassword",
					resetPasswordDto);

				var resetContent = await resetresult.Content.ReadAsStringAsync();

				var result = JsonSerializer.Deserialize<ResetPasswordResponseDto>(resetContent, _options);

				return result;
			}
		}

		public async Task<HttpStatusCode> EmailConfirmationAsync(string email, string token)
		{
			var queryStringParam = new Dictionary<string, string>
			{
				["email"] = email,
				["token"] = token
			};
			using (_client = _clientFactory.CreateClient("Default"))
			{
				var response = await _client.GetAsync(QueryHelpers.AddQueryString(
					"account/emailconfirmation", queryStringParam));

				return response.StatusCode;
			}
		}

		public async Task<AuthResponseDto> LoginVerfication(TwoFactorVerificationDto twoFactorVerificationDto)
		{
			using (_client = _clientFactory.CreateClient("Default"))
			{

				var reponse = await _client.PostAsJsonAsync("account/twostepverification",
					twoFactorVerificationDto);

				var content = await reponse.Content.ReadAsStringAsync();

				var result = JsonSerializer.Deserialize<AuthResponseDto>(content, _options);

				if (!reponse.IsSuccessStatusCode)
					return result;

				 _localStorageService.SetItem("authToken", result.Token);
				 _localStorageService.SetItem("refreshToken", result.RefreshToken);
				((AuthStateProvider)_stateProvider).NotifyUserAuthentication(
					result.Token);

				_client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue(
					"bearer", result.Token);

				return new AuthResponseDto { IsAuthSuccessful = true };
			}
		}
	}
}