using FrameworkDAL.CustomCode.WorkflowAssignment;
using FrameworkDAL.DTO.WorkflowAssignment;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.Resource.Response;
using GB5Shared.ResponseStandard;
using GB5Shared.Validation;
using System;
using System.ComponentModel.DataAnnotations;
using System.Threading.Tasks;

namespace FrameworkBLL.WorkflowAssignment
{
    public class WorkflowAssignmentBLL : IWorkflowAssignmentBLL
    {
        private readonly IWorkflowAssignmentDAL _WorkflowAssignmentDAL;
        private readonly IValidation _Validation;

        public WorkflowAssignmentBLL(
            IWorkflowAssignmentDAL WorkflowAssignmentDAL,
            IValidation Validation)
        {
            _WorkflowAssignmentDAL = WorkflowAssignmentDAL;
            _Validation = Validation;
        }

        public async Task<string> GetWorkflowAssignment(int WorkflowAssignmentId, LoginDTO LoginDTO)
        {
            try
            {
                return await _WorkflowAssignmentDAL.GetWorkflowAssignment(WorkflowAssignmentId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> SaveWorkflowAssignment(
            WorkflowAssignmentDTO WorkflowAssignmentDTO,
            LoginDTO LoginDTO)
        {
            if (WorkflowAssignmentDTO == null)
                throw new ArgumentNullException(nameof(WorkflowAssignmentDTO));

            try
            {
                await _Validation.NotEmpty(
                    WorkflowAssignmentDTO.WorkflowAssignmentName,
                    nameof(WorkflowAssignmentDTO.WorkflowAssignmentName));

                WorkflowAssignmentDTO.ModifiedById = LoginDTO.UserId;
                WorkflowAssignmentDTO.ModifiedOn = DateTime.UtcNow;

                if (WorkflowAssignmentDTO.WorkflowAssignmentId == 0)
                {
                    WorkflowAssignmentDTO.CreatedById = LoginDTO.UserId;
                    WorkflowAssignmentDTO.CreatedOn = DateTime.UtcNow;

                    WorkflowAssignmentDTO.Status = 1;
                    WorkflowAssignmentDTO.Version = 1;
                    WorkflowAssignmentDTO.SourceType = 1;

                    await _WorkflowAssignmentDAL.SaveWorkflowAssignment(
                        WorkflowAssignmentDTO,
                        LoginDTO);

                    return "Details have been Saved successfully.";
                }
                else
                {
                    await _WorkflowAssignmentDAL.UpdateWorkflowAssignment(
                        WorkflowAssignmentDTO,
                        LoginDTO);

                    return $"{SuccessResponse.UpdateSuccessMessage} {WorkflowAssignmentDTO.WorkflowAssignmentId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> GetSelectListWorkflowAssignment(
            int FirstNumber,
            int MaxResult,
            LoginDTO LoginDTO)
        {
            try
            {
                return await _WorkflowAssignmentDAL.GetSelectListWorkflowAssignment(
                    FirstNumber,
                    MaxResult,
                    LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> DeleteWorkflowAssignment(
            int WorkflowAssignmentId,
            LoginDTO LoginDTO)
        {
            try
            {
                return await _WorkflowAssignmentDAL.DeleteWorkflowAssignment(
                    WorkflowAssignmentId,
                    LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}