using FrameworkDAL.CustomCode.Address;
using FrameworkDAL.CustomCode.TRMAddress;
using FrameworkDAL.DTO.Address;
using GB5Shared.DTO.Framework.AutoNumber;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.ResponseStandard;
using System;
using System.Threading.Tasks;

namespace FrameworkBLL.Address
{
    public class AddressBLL : IAddressBLL
    {
        private readonly IAddressDAL _addressDAL;
        private readonly ITRMAddressDAL _trmAddressDAL;
        private readonly AutoNumber _autoNumber;

        public AddressBLL(IAddressDAL addressDAL, ITRMAddressDAL trmAddressDAL, AutoNumber autoNumber)
        {
            _addressDAL = addressDAL;
            _trmAddressDAL = trmAddressDAL;
            _autoNumber = autoNumber;
        }

        public async Task<string> GetAddress(int AddressId, string LanguageId, LoginDTO LoginDTO)
        {
            try
            {
                if (LanguageId == "EN")
                {
                    return await _addressDAL.GetAddress(AddressId, LanguageId, LoginDTO);
                }
                else
                {
                    return await _trmAddressDAL.GetTRMAddress(AddressId, LanguageId, LoginDTO);
                }
            }
            catch (Exception ex)
            {
                throw new Exception("Error while fetching address details.", ex);
            }
        }

        public async Task<string> GetAddressDetail(int ObjectTypeId, int ObjectId, LoginDTO LoginDTO)
        {
            try
            {
                return await _addressDAL.GetAddressDetail(ObjectTypeId, ObjectId, LoginDTO);
            }
            catch (Exception ex)
            {
                throw new Exception("Error while fetching address detail.", ex);
            }
        }

        public async Task<string> GetSelectListAddress(int FirstNumber, int MaxResult, CriteriaDTO criteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _addressDAL.GetSelectListAddress(FirstNumber, MaxResult, criteriaDTO, LoginDTO);
            }
            catch (Exception ex)
            {
                throw new Exception("Error while fetching address select list.", ex);
            }
        }

        public async Task<string> GetSelectListAddressNew(CriteriaDTO criteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _addressDAL.GetSelectListAddressNew(criteriaDTO, LoginDTO);
            }
            catch (Exception ex)
            {
                throw new Exception("Error while fetching new address select list.", ex);
            }
        }

        public async Task<string> SaveAddress(AddressDTO AddressDTO, string LanguageId, LoginDTO LoginDTO)
        {
            try
            {
                int initialId = AddressDTO.AddressId;
                int count = 1 + initialId;

                if (initialId == 0) 
                {
                    if (LanguageId != "EN")
                        throw new Exception("The data must be entered in English for the first time.");

                    AutoNumberDTO autoNumberDTO = await _autoNumber.GetNumberAsync(count, "ADDRESS", LoginDTO);
                    AddressDTO.AddressId = autoNumberDTO.StartNumber;

                    await _addressDAL.SaveAddress(AddressDTO, LanguageId, LoginDTO);
                    return "Address details saved successfully.";
                }
                else if (LanguageId == "EN") 
                {
                    await _addressDAL.UpdateAddress(AddressDTO, LoginDTO);
                    return "Address details updated successfully.";
                }
                else 
                {
                    int translationCount = await _addressDAL.CountAddress(AddressDTO, LanguageId, LoginDTO);
                    AddressDTO.LanguageId = LanguageId;

                    if (translationCount == 0)
                    {
                        await _trmAddressDAL.SaveTRMAddress(AddressDTO, LoginDTO);
                        return "Address Translation details saved successfully.";
                    }
                    else
                    {
                        await _trmAddressDAL.UpdateTRMAddress(AddressDTO, LoginDTO);
                        return "Address Translation details updated successfully.";
                    }
                }
            }
            catch (Exception ex)
            {
                throw new Exception("Error while saving address details.", ex);
            }
        }
        public async Task<Result<string>> DeleteAddress(int AddressId, LoginDTO LoginDTO)
        {
            try
            {
                var trmResult = await _trmAddressDAL.DeleteTRMAddress(AddressId, LoginDTO);

                if (!trmResult.IsSuccess)
                {
                    return Result<string>.Failure("Failed to delete TRM Address. Parent not deleted.");
                }

                var addrResult = await _addressDAL.DeleteAddress(AddressId, LoginDTO);

                if (!addrResult.IsSuccess)
                {
                    return Result<string>.Failure("TRM Address deleted, but failed to delete Address.");
                }

                return Result<string>.Success("Address and TRM Address deleted successfully.");
            }
            catch (Exception ex)
            {
                throw new Exception("Error while deleting address details.", ex);
            }
        }
    }
}