using GB5Shared.DTO.Framework.Login;
using GoodBooks.PAY.PAYDAL.CustomCode.Loyalty;
using GoodBooks.PAY.PAYDAL.DTO.Loyalty;
using Microsoft.Extensions.Logging;

namespace GoodBooks.PAY.PAYBLL.Loyalty
{
    public class LoyaltyTierBLL : ILoyaltyTierBLL
    {
        private readonly ILoyaltyTierDAL           _tierDal;
        private readonly ILogger<LoyaltyTierBLL>   _logger;

        public LoyaltyTierBLL(ILoyaltyTierDAL tierDal, ILogger<LoyaltyTierBLL> logger)
        {
            _tierDal = tierDal;
            _logger  = logger;
        }

        public async Task<IEnumerable<LoyaltyTierDTO>> GetTiersByProgram(
            int programId, LoginDTO login, CancellationToken ct)
        {
            try
            {
                return await _tierDal.GetTiersByProgram(programId, login).ConfigureAwait(false);
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "GetTiersByProgram failed for ProgramId {ProgramId}", programId);
                throw;
            }
        }

        public async Task<LoyaltyTierDTO?> GetTierForPoints(
            int programId, decimal lifetimePoints, LoginDTO login, CancellationToken ct)
        {
            try
            {
                return await _tierDal.GetTierForPoints(programId, lifetimePoints, login)
                    .ConfigureAwait(false);
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "GetTierForPoints failed for ProgramId {ProgramId} Points {Points}",
                    programId, lifetimePoints);
                throw;
            }
        }
    }
}