using System.ComponentModel.DataAnnotations;
using GB5Shared.DaprCache;
using GB5Shared.DTO.Framework.AutoNumber;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.EntityHandler;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.Resource.Response;
using GB5Shared.Telemetry;
using GB5Shared.Validation;
using MarketingDAL.CustomCode.Segment;
using MarketingDAL.DTO.Segment;
using Microsoft.Extensions.Logging;
using static GB5Shared.GB5Constant.Constant;

namespace MarketingBLL.Segment;

public class SegmentBLL : ISegmentBLL
{
    private readonly ISegmentDAL _SegmentDAL;
    private readonly AutoNumber _AutoNumber;
    private readonly IValidation _Validation;
    private readonly KeyInvalidate _KeyInvalidate;
    private readonly BaseEntityAppService<SegmentDTO> _BaseEntityAppService;
    private readonly ILogger<SegmentBLL> _Logger;

    public SegmentBLL(
        ISegmentDAL segmentDAL,
        AutoNumber autoNumber,
        IValidation validation,
        KeyInvalidate keyInvalidate,
        BaseEntityAppService<SegmentDTO> baseEntityAppService,
        ILogger<SegmentBLL> logger)
    {
        _SegmentDAL = segmentDAL;
        _AutoNumber = autoNumber;
        _Validation = validation;
        _KeyInvalidate = keyInvalidate;
        _BaseEntityAppService = baseEntityAppService;
        _Logger = logger;
    }

    public async Task<string> GetSegment(int segmentId, LoginDTO loginDTO, CancellationToken ct)
    {
        try
        {
            return await _SegmentDAL.GetSegment(segmentId, loginDTO, ct).ConfigureAwait(false);
        }
        catch (Exception ex)
        {
            GB5Trace.MarkFailed("get-segment-failed", ex);
            _Logger.LogError(ex, "GetSegment failed for SegmentId {SegmentId}", segmentId);
            throw;
        }
    }

    public async Task<string> SaveSegment(SegmentDTO segmentDTO, LoginDTO loginDTO, CancellationToken ct)
    {
        if (segmentDTO == null)
            throw new ArgumentNullException(nameof(segmentDTO));

        AutoNumberDTO? autoNumberDTO = null;

        try
        {
            GB5Trace.Step("validate-segment", new { segmentDTO.SegmentId });

            await _Validation.NotEmpty(segmentDTO.SegmentCode, nameof(segmentDTO.SegmentCode));
            await _Validation.NotEmpty(segmentDTO.SegmentName, nameof(segmentDTO.SegmentName));
            await _Validation.Range(1, 3, segmentDTO.SegmentType, nameof(segmentDTO.SegmentType));

            segmentDTO.ModifiedById = loginDTO.UserId;
            segmentDTO.ModifiedOn = DateTime.UtcNow;

            bool isNew = segmentDTO.SegmentId == 0;

            if (isNew)
            {
                autoNumberDTO = await _AutoNumber.GetNumberAsync(1, "SEGMENT", loginDTO).ConfigureAwait(false);
                segmentDTO.SegmentId = autoNumberDTO.StartNumber;
                segmentDTO.CreatedById = loginDTO.UserId;
                segmentDTO.CreatedOn = DateTime.UtcNow;
            }

            GB5Trace.Step("save-segment", new { segmentDTO.SegmentId, isNew });

            await _BaseEntityAppService.ExecuteSaveAsync(
                EntityConstant.OBJECTMARKETINGSEGMENT,
                isNew ? EventTypeConstant.SAVEMARKETINGSEGMENTEVENTTYPEID : EventTypeConstant.UPDATEMARKETINGSEGMENTEVENTTYPEID,
                segmentDTO,
                loginDTO,
                async tx =>
                {
                    _ = isNew
                        ? await _SegmentDAL.SaveSegment(segmentDTO, loginDTO, tx, ct).ConfigureAwait(false)
                        : await _SegmentDAL.UpdateSegment(segmentDTO, loginDTO, tx, ct).ConfigureAwait(false);
                    return segmentDTO.SegmentId;
                },
                null, -1, -1, null, isNew).ConfigureAwait(false);

            GB5Trace.Step("event-publish", new
            {
                EventTypeId = isNew ? EventTypeConstant.SAVEMARKETINGSEGMENTEVENTTYPEID : EventTypeConstant.UPDATEMARKETINGSEGMENTEVENTTYPEID
            });

            var cacheKey = new CacheKeyGeneration().KeyGeneration(
                segmentDTO.SegmentId, EntityConstant.OBJECTMARKETINGSEGMENT, CacheKeyLevel.CLIENT_LEVEL, loginDTO);
            await _KeyInvalidate.AllInvalidateCache(cacheKey).ConfigureAwait(false);

            _Logger.LogInformation("Segment {SegmentId} {Action} by user {UserId}",
                segmentDTO.SegmentId, isNew ? "saved" : "updated", loginDTO.UserId);

            return isNew
                ? $"{SuccessResponse.SaveSuccessMessage} {segmentDTO.SegmentId}"
                : $"{SuccessResponse.UpdateSuccessMessage} {segmentDTO.SegmentId}";
        }
        catch (ValidationException vex)
        {
            GB5Trace.MarkFailed("save-segment-failed", vex);
            if (autoNumberDTO != null && segmentDTO.SegmentId > 0)
                await _AutoNumber.RollbackAutoNumber("SEGMENT", segmentDTO.SegmentId, loginDTO).ConfigureAwait(false);
            throw new Exception(vex.Message);
        }
        catch (Exception ex)
        {
            GB5Trace.MarkFailed("save-segment-failed", ex);
            _Logger.LogError(ex, "SaveSegment failed for SegmentId {SegmentId}", segmentDTO.SegmentId);
            if (autoNumberDTO != null && segmentDTO.SegmentId > 0)
                await _AutoNumber.RollbackAutoNumber("SEGMENT", segmentDTO.SegmentId, loginDTO).ConfigureAwait(false);
            throw;
        }
    }

    public async Task<string> GetSelectListSegment(CriteriaDTO criteriaDTO, LoginDTO loginDTO, CancellationToken ct)
    {
        try
        {
            return await _SegmentDAL.GetSelectListSegment(criteriaDTO, loginDTO, ct).ConfigureAwait(false);
        }
        catch (Exception ex)
        {
            GB5Trace.MarkFailed("get-selectlist-segment-failed", ex);
            _Logger.LogError(ex, "GetSelectListSegment failed");
            throw;
        }
    }

    public async Task<string> DeleteSegment(int segmentId, LoginDTO loginDTO, CancellationToken ct)
    {
        try
        {
            GB5Trace.Step("delete-segment", new { segmentId });

            var result = await _SegmentDAL.DeleteSegment(segmentId, loginDTO, ct).ConfigureAwait(false);

            var cacheKey = new CacheKeyGeneration().KeyGeneration(
                segmentId, EntityConstant.OBJECTMARKETINGSEGMENT, CacheKeyLevel.CLIENT_LEVEL, loginDTO);
            await _KeyInvalidate.AllInvalidateCache(cacheKey).ConfigureAwait(false);

            _Logger.LogInformation("Segment {SegmentId} deleted by user {UserId}", segmentId, loginDTO.UserId);

            return result;
        }
        catch (Exception ex)
        {
            GB5Trace.MarkFailed("delete-segment-failed", ex);
            _Logger.LogError(ex, "DeleteSegment failed for SegmentId {SegmentId}", segmentId);
            throw;
        }
    }
}