using FMDAL.CustomCode.ScanIdentifier;
using FMDAL.DTO.ScanIdentifier;
using GB5Shared.DaprCache;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.QueryExecutor;
using GB5Shared.Resource.Response;
using GB5Shared.Telemetry;
using Microsoft.Extensions.Logging;
using System;
using System.Threading;
using System.Threading.Tasks;
using static GB5Shared.GB5Constant.Constant;

namespace FMBLL.ScanIdentifier
{
    public class ScanIdentifierBLL : IScanIdentifierBLL
    {
        private readonly IScanIdentifierDAL _dal;
        private readonly IQueryExecutor _queryExecutor;
        private readonly AutoNumber _autoNumber;
        private readonly KeyInvalidate _keyInvalidate;
        private readonly ILogger<ScanIdentifierBLL> _logger;

        public ScanIdentifierBLL(
            IScanIdentifierDAL dal,
            IQueryExecutor queryExecutor,
            AutoNumber autoNumber,
            KeyInvalidate keyInvalidate,
            ILogger<ScanIdentifierBLL> logger)
        {
            _dal = dal;
            _queryExecutor = queryExecutor;
            _autoNumber = autoNumber;
            _keyInvalidate = keyInvalidate;
            _logger = logger;
        }

        public async Task<ScanIdentifierDTO?> GetScanIdentifier(int scanIdentifierId, LoginDTO login, CancellationToken ct)
            => await _dal.GetScanIdentifier(scanIdentifierId, login, ct).ConfigureAwait(false);

        public async Task<ScanIdentifierDTO?> GetScanIdentifierByValue(string identifierValue, LoginDTO login, CancellationToken ct)
            => await _dal.GetScanIdentifierByValue(identifierValue, login, ct).ConfigureAwait(false);

        public async Task<string> SaveScanIdentifier(ScanIdentifierDTO dto, LoginDTO login, CancellationToken ct)
        {
            try
            {
                GB5Trace.Step("validate-scanidentifier", new { dto.ScanIdentifierId, dto.IdentifierValue });

                bool isNew = dto.ScanIdentifierId == 0;

                GB5Trace.Step("save-scanidentifier", new { dto.ScanIdentifierId, isNew });

                await using var tx = await _queryExecutor.BeginTransactionAsync(login).ConfigureAwait(false);
                try
                {
                    if (isNew)
                    {
                        var auto = await _autoNumber.GetNumberAsync(1, AUTONUMBERCONSTANT.SCANIDENTIFIER, login).ConfigureAwait(false);
                        dto.ScanIdentifierId = auto.StartNumber;
                        await _dal.SaveScanIdentifier(dto, login, tx, ct).ConfigureAwait(false);
                    }
                    else
                    {
                        await _dal.UpdateScanIdentifier(dto, login, tx, ct).ConfigureAwait(false);
                    }
                    await tx.CommitAsync(ct).ConfigureAwait(false);
                }
                catch
                {
                    await tx.RollbackAsync(ct).ConfigureAwait(false);
                    throw;
                }

                var cacheKey = new CacheKeyGeneration().KeyGeneration(dto.ScanIdentifierId, EntityConstant.OBJECTSCANIDENTIFIER, CacheKeyLevel.CLIENT_LEVEL, login);
                await _keyInvalidate.AllInvalidateCache(cacheKey).ConfigureAwait(false);

                return isNew
                    ? $"{SuccessResponse.SaveSuccessMessage} {dto.ScanIdentifierId}"
                    : SuccessResponse.UpdateSuccess;
            }
            catch (Exception ex)
            {
                GB5Trace.MarkFailed("save-scanidentifier-failed", ex);
                _logger.LogError(ex, "SaveScanIdentifier failed for ScanIdentifierId {Id}", dto.ScanIdentifierId);
                throw;
            }
        }

        public async Task<string> DeleteScanIdentifier(int scanIdentifierId, LoginDTO login, CancellationToken ct)
        {
            try
            {
                GB5Trace.Step("delete-scanidentifier", new { scanIdentifierId });

                await using var tx = await _queryExecutor.BeginTransactionAsync(login).ConfigureAwait(false);
                try
                {
                    await _dal.DeleteScanIdentifier(scanIdentifierId, login, tx, ct).ConfigureAwait(false);
                    await tx.CommitAsync(ct).ConfigureAwait(false);
                }
                catch
                {
                    await tx.RollbackAsync(ct).ConfigureAwait(false);
                    throw;
                }

                var cacheKey = new CacheKeyGeneration().KeyGeneration(scanIdentifierId, EntityConstant.OBJECTSCANIDENTIFIER, CacheKeyLevel.CLIENT_LEVEL, login);
                await _keyInvalidate.AllInvalidateCache(cacheKey).ConfigureAwait(false);

                return SuccessResponse.DeleteSuccessMessage;
            }
            catch (Exception ex)
            {
                GB5Trace.MarkFailed("delete-scanidentifier-failed", ex);
                _logger.LogError(ex, "DeleteScanIdentifier failed for ScanIdentifierId {Id}", scanIdentifierId);
                throw;
            }
        }
    }
}