using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using AccountsDAL.CustomCode.CostCenterType;
using AccountsDAL.DTO.CostCenterType;
using AccountsDAL.Query.AccountSchedule;
using GB5Shared.DaprCache;
using GB5Shared.DTO.Framework.AutoNumber;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.HybridCache;
using GB5Shared.DTO.Framework.Logging;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.Resource.Response;
using GB5Shared.Validation;
using static GB5Shared.GB5Constant.Constant;

namespace AccountsBLL.CostCenterType
{
    public class CostCenterTypeBLL : ICostCenterTypeBLL
    {
        private readonly ICostCenterTypeDAL _CostCenterTypeDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;
        private readonly KeyInvalidate _KeyInvalidate;
        public CostCenterTypeBLL(ICostCenterTypeDAL ICostCenterTypeDAL, AutoNumber AutoNumber, IValidation validation, KeyInvalidate keyInvalidate)
        {
            _CostCenterTypeDAL = ICostCenterTypeDAL;
            _AutoNumber = AutoNumber;
            _Validation = validation;
            _KeyInvalidate = keyInvalidate;
        }

        public async Task<string> GetCostCenterType(int CostCenterTypeId, LoginDTO LoginDTO)
        {
            try
            {
                return await _CostCenterTypeDAL.GetCostCenterType(CostCenterTypeId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> GetSelectListCostCenterType(CriteriaDTO criteriaDTO, LoginDTO loginDTO)
        {
            try
            {
                return await _CostCenterTypeDAL.GetSelectListCostCenterType(criteriaDTO, loginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }


        public async Task<string> GetCostCenterTypeList(CriteriaDTO CriteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _CostCenterTypeDAL.GetCostCenterTypeList(CriteriaDTO, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> SaveCostCenterType(CostCenterTypeDTO CostCenterTypeDTO, LoginDTO LoginDTO)
        {
            if (CostCenterTypeDTO == null) throw new ArgumentNullException(nameof(CostCenterTypeDTO));
            AutoNumberDTO? autoNumberDTO = null;

            try
            {
                await _Validation.NotEmpty(CostCenterTypeDTO.CostCenterTypeCode, nameof(CostCenterTypeDTO.CostCenterTypeCode));
                await _Validation.NotEmpty(CostCenterTypeDTO.CostCenterTypeName, nameof(CostCenterTypeDTO.CostCenterTypeName));
                CostCenterTypeDTO.CostCenterTypeModifiedById = LoginDTO.UserId;
                CostCenterTypeDTO.CostCenterTypeModifiedOn = DateTime.UtcNow;

                int initialId = CostCenterTypeDTO.CostCenterTypeId;
                int count = 1 + initialId;
                if (initialId == 0)
                {
                    AutoNumberDTO AutoNumberDTO = await _AutoNumber.GetNumberAsync(count, "COSTCENTERTYPE", LoginDTO);
                    CostCenterTypeDTO.CostCenterTypeId = AutoNumberDTO.StartNumber;
                    CostCenterTypeDTO.CostCenterTypeCreatedById = LoginDTO.UserId;
                    CostCenterTypeDTO.CostCenterTypeCreatedOn = DateTime.UtcNow;


                    await _CostCenterTypeDAL.SaveCostCenterType(CostCenterTypeDTO, LoginDTO);

                    var cacheKey = CacheKeyGenerator.KeyGeneration(
                                CostCenterTypeDTO.CostCenterTypeId,                       // ✅ int parameter from method signature
                                EntityConstant.OBJECTCOSTCENTERTYPE,
                                CacheKeyLevel.CLIENT_LEVEL,
                                string.Empty,
                                LoginDTO);

                    await _KeyInvalidate.AllInvalidateCache(cacheKey).ConfigureAwait(false);

                    return $"{SuccessResponse.SaveSuccessMessage} {CostCenterTypeDTO.CostCenterTypeId}";
                }
                else
                {
                    await _CostCenterTypeDAL.UpdateCostCenterType(CostCenterTypeDTO, LoginDTO);


                    var cacheKey = CacheKeyGenerator.KeyGeneration(
                        CostCenterTypeDTO.CostCenterTypeId,
                        EntityConstant.OBJECTCOSTCENTERTYPE,
                        CacheKeyLevel.CLIENT_LEVEL, string.Empty,
                        LoginDTO);

                   await _KeyInvalidate.AllInvalidateCache(cacheKey).ConfigureAwait(false);

                    return $"{SuccessResponse.UpdateSuccessMessage} {CostCenterTypeDTO.CostCenterTypeId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && CostCenterTypeDTO.CostCenterTypeId > 0)
                    await _AutoNumber.RollbackAutoNumber("COSTCENTERTYPE", CostCenterTypeDTO.CostCenterTypeId, LoginDTO);

                throw;
            }
        }

        public async Task<string> DeleteCostCenterType(int CostCenterTypeId, LoginDTO LoginDTO)
        {
            var result = await _CostCenterTypeDAL
                .DeleteCostCenterType(CostCenterTypeId, LoginDTO);

            var cacheKey = CacheKeyGenerator.KeyGeneration(
                CostCenterTypeId,
                EntityConstant.OBJECTCOSTCENTERTYPE,
                CacheKeyLevel.CLIENT_LEVEL,
                string.Empty,
                LoginDTO);

            await _KeyInvalidate.AllInvalidateCache(cacheKey).ConfigureAwait(false);

            return result;
        }
    }
}