using System.Threading.Tasks;
using Newtonsoft.Json;
using LCU.Library.Internal.CoreApiWrapperModel.CoreModels;
using LCU.Library.Internal.CoreApiWrapperLib.Utilities;
using LCU.Library.Internal.CoreApiWrapperLib.Configuration;
using LCU.Library.Internal.CoreApiWrapperLib.CoreApiUtilities;
using LCU.Library.Internal.CoreApiWrapperModel.Constants;
using LCU.Library.Internal.CoreApiWrapperModel.CoreModels.PostalAddresses;
using System.Collections.Generic;

namespace LCU.Library.Internal.CoreApiWrapperLib.DataAccess
{
    public class AddressDao : BaseCoreDao, IAddressDao
    {
        private readonly CoreConfiguration _coreConfiguration;
        private readonly CoreApiConfiguration _coreApiConfiguration;

        public AddressDao(ICoreRequest coreRequest,
                          CoreConfiguration coreConfiguration)
                          : base(coreRequest)
        {
            _coreConfiguration = coreConfiguration;
            _coreApiConfiguration = _coreConfiguration.CoreApiConfiguration;
        }

        /// <summary>
        /// Calls Core API to search based on personNumber and postalAddressNumber.
        /// Default Included: Standard
        /// </summary>
        /// <param name="coreRequestParameters"></param>
        /// <param name="personNumber"></param>
        /// <param name="postalAddressId"></param>
        /// <returns>CoreApiMessage<PersonPostalAddress></returns>
        public async Task<CoreApiMessage<PersonPostalAddress>> FindByPersonNumberAddressNumber(CoreRequestParameters coreRequestParameters,
                                                                                  string personNumber,
                                                                                  string postalAddressId)
        {
            var endpointParameters = HttpUtilities.BuildDictionaryOfNonNullValues(coreRequestParameters);
            var endpoint = ReplaceEndpointsPersonIdAndPostalAddressId(personNumber, postalAddressId);
            return await _coreRequest.GetRequestObject<CoreApiMessage<PersonPostalAddress>>(endpoint, endpointParameters, null);
        }

        /// <summary>
        /// Calls Core API to search based on personNumber.
        /// Default Included: Standard
        /// </summary>
        /// <param name="coreRequestParameters"></param>
        /// <param name="personNumber"></param>
        /// <param name="postalAddressNumber"></param>
        /// <returns>CoreApiMessage<PersonPostalAddress></returns>
        public async Task<CoreApiMessage<IReadOnlyCollection<PersonPostalAddress>>> FindByPersonNumber(CoreRequestParameters coreRequestParameters,
                                                                                       string personNumber)
        {
            var endpointParameters = HttpUtilities.BuildDictionaryOfNonNullValues(coreRequestParameters);
            var endpoint = HttpUtilities.ReplaceRootParameter(_coreApiConfiguration.CoreEndPointConfiguration.PersonPostalAddresses,
                                                              RequestRootParameters.PersonId,
                                                              personNumber);
            var result = await _coreRequest.GetRequestObject<CoreApiMessage<IReadOnlyCollection<PersonPostalAddress>>>(endpoint, endpointParameters, null);
            return result;
        }

        // <summary>
        /// Calls Core API to Post Address.
        /// Default Included: Standard
        /// </summary>
        /// <param name="coreUpdateRequestAddress"></param>
        /// <returns>boole</returns>
        public async Task<PersonPostalAddress> InsertPersonPostalAddress(PersonPostalAddress request)
        {
            var endpoint = HttpUtilities.ReplaceRootParameter(_coreApiConfiguration.CoreEndPointConfiguration.PersonPostalAddresses,
                                                              RequestRootParameters.PersonId,
                                                              request.PersonNumber.ToString());
            var message = new
            {
                messageBody = request
            };
            var jsonBody = JsonConvert.SerializeObject(message);
            var result = await _coreRequest.PostRequestObject<CoreApiMessage<PersonPostalAddress>>(endpoint, null, jsonBody);
            return result?.MessageBody;
        }

        /// <summary>
        /// Calls Core API to Delete Address.
        /// Default Included: Standard
        /// </summary>
        /// <param name="request"></param>
        /// <returns>boole</returns>
        public async Task<string> RemovePersonPostalAddress(CoreApiMessage<PersonPostalAddress> request)
        {
            var endpoint = ReplaceEndpointsPersonIdAndPostalAddressId(request.MessageBody.PersonNumber.ToString(),
                                                                      request.MessageBody.Id.ToString());
            var jsonBody = JsonConvert.SerializeObject(request);
            var result = await _coreRequest.DeleteRequestObject<object>(endpoint, null, jsonBody);
            var stringResult = "";

            //If not null DNA sent back a error object back. We want to serialize and use in error log message.
            if (result != null)
            {
                stringResult = JsonConvert.SerializeObject(result);
            }

            return stringResult;
        }

        public async Task<PersonAddrLine> UpdatePersonAddrLine(CoreApiMessage<PersonAddrLine> request)
        {
            var endpoint = ReplaceEndpointsPersonIdAndAdressUseCode(request.MessageBody.PersonNumber.ToString(), request.MessageBody.AddressUseCode);

            var jsonBody = JsonConvert.SerializeObject(request);
            var result = await _coreRequest.PutRequestObject<CoreApiMessage<PersonAddrLine>>(endpoint, null, jsonBody);

            return result?.MessageBody;
        }

        private string ReplaceEndpointsPersonIdAndPostalAddressId(string personId, string postalAddressId)
        {
            var endpoint = ReplaceEndpointsPersonId(_coreApiConfiguration.CoreEndPointConfiguration.PersonPostalAddress, personId);
            return HttpUtilities.ReplaceRootParameter(endpoint, RequestRootParameters.PostalAddressId, postalAddressId);
        }

        private string ReplaceEndpointsPersonIdAndAdressUseCode(string personId, string addressUseCode)
        {
            var endpoint = ReplaceEndpointsPersonId(_coreApiConfiguration.CoreEndPointConfiguration.PersonAddressLine, personId);
            return HttpUtilities.ReplaceRootParameter(endpoint, RequestRootParameters.AddressUseCode, addressUseCode);
        }

        private string ReplaceEndpointsPersonId(string endpoint, string personId)
        {
            return HttpUtilities.ReplaceRootParameter(endpoint, RequestRootParameters.PersonId, personId);
        }
    }
}