using Microsoft.Extensions.Configuration;
using Simple.OData.Client;
using System.Text;

namespace _1CDataBus.Structure
{
    public class ODataAccess
    {
        private IConfiguration _configuration;

        public ODataAccess(IConfiguration configuration)
        {
            _configuration = configuration;
#if DEBUG
            var section = _configuration.GetSection("QDocTestSettings");
#else
            var section = _configuration.GetSection("QDocSettings");
#endif
            var IntegrationServiceUrl = section.GetValue<string>("Url");
            var Login = section.GetValue<string>("Login");
            var Password = section.GetValue<string>("Password");

            // Настройки Simple OData Client: добавление ко всем запросам URL сервиса и
            // заголовка с данными аутентификации.
            var odataClientSettings = new ODataClientSettings(new Uri(IntegrationServiceUrl));
            odataClientSettings.BeforeRequest += (HttpRequestMessage message) =>
            {
                var authenticationHeaderValue = Convert.ToBase64String(Encoding.UTF8.GetBytes($"{Login}:{Password}"));
                message.Headers.Add("Authorization", "Basic " + authenticationHeaderValue);
            };
            Client = new ODataClient(odataClientSettings);
        }

        public ODataClient? Client { get; set; }
    }
}