using System.Xml.Linq;
using Microsoft.Extensions.Options;
using Serilog;
using USPS.Parsers;
using USPS.ApiCalls;
using USPS.Configuration;
using Landmark.OLA.Models;
using Landmark.OLA.Models.Vendor;
using Landmark.OLA.Models.Addresses;

namespace USPS.Communication
{
    public class UspsVendorClient : IUspsVendorClient
    {
        private readonly IUspsService _uspsService;
        private readonly IResponseParser<Address> _addressParser;
       
        private readonly UspsSettings _settings;

        public UspsVendorClient(IUspsService uspsService,
            IResponseParser<Address> addressParser,
            IOptions<UspsSettings> settings)
        {
            _uspsService = uspsService;
            _addressParser = addressParser;
            _settings = settings.Value;
        }


        public async Task<Address> CompareAddress(Address address)
        {

            ModelValidator.Validate(address);

            AddressValidationRequestBuilder api = new(_settings, address);

            string createXml = api.BuildGET();

            XElement response = await _uspsService.SendMessage(createXml);

            try
            {
                if (_addressParser.CheckForError(response) )
                {
                    throw new ArgumentException("USPS rejected address");
                }
                
                return _addressParser.Parse(response);
            }
            catch (ArgumentException)
            {
                // Do not log; this is thrown when a bad address is submitted and it just spams the logs.
                throw;
            }
            catch (Exception)
            {
                Log.Fatal("Error parsing response.");
                throw;
            }
        }
    }
}