using System.Threading.Tasks;
using Newtonsoft.Json;
using Refit;
using System.Net.Http;
using System;

namespace wms_xamarin
{
    public class LoginApi
    {
        private static readonly string baseUrl = "https://example.com";

        public async Task<LoginResponse> loginWithCredentials(string login, string password)
        {
            var httpClient = new HttpClient(new HttpLoggingHandler(/*new NativeMessageHandler()*/)){ BaseAddress = new Uri(baseUrl)};
            var api = RestService.For<ILoginApi>(httpClient);
            var request = new LoginRequest {Email = login, Password = password};
            return await api.LoginWithOAuth(request);
        }
    }

    public class LoginRequest
    {
        [AliasAs("email")]
        public string Email { get; set; }

        [AliasAs("password")]
        public string Password { get; set; }

        [AliasAs("clientId")]
        public string ClientId => "cientId";

        [AliasAs("grant_type")]
        public string GrantType => "password";
    }

    public class LoginResponse
    {
        [AliasAs("access_token")]
        public string AccessToken { get; set; }

        [AliasAs("token_type")]
        public string TokenType { get; set; }

        [AliasAs("expires_in")]
        public string ExpiresIn { get; set; }

        [AliasAs("refresh_token")]
        public string RefreshToken { get; set; }

        [AliasAs("created_at")]
        public string CreatedAt { get; set; }
    }

	[Headers("User-Agent: Xamarin")]
    public interface ILoginApi
    {
        [Post("/oauth/token")]
        Task<LoginResponse> LoginWithOAuth([Body(BodySerializationMethod.UrlEncoded)] LoginRequest request);
    }
}