using AmpDAL.CustomCode.ApiOperation;
using AmpDAL.DTO.ApiOperation;
using GB5Shared.DaprCache;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.EventLogPublish;
using GB5Shared.GB5Constant;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.Resource.Response;
using Microsoft.Extensions.Logging;

namespace AMPBLL.ApiOperation;

public class ApiOperationBLL(
    IApiOperationDAL         _dal,
    AutoNumber               _autoNumber,
    KeyInvalidate            _keyInvalidate,
    EventLogPublish          _eventLog,
    ILogger<ApiOperationBLL> _logger
) : IApiOperationBLL
{
    public async Task<ApiOperationDTO?> GetOperationAsync(long apiOperationId, LoginDTO login, CancellationToken ct)
        => await _dal.GetOperationAsync(apiOperationId, login, ct).ConfigureAwait(false);

    public async Task<List<ApiOperationDTO>> GetOperationSelectListAsync(CriteriaDTO criteriaDTO, LoginDTO login, CancellationToken ct)
        => await _dal.GetOperationSelectListAsync(criteriaDTO, login, ct).ConfigureAwait(false);

    public async Task<List<ApiOperationDTO>> GetOperationList(int firstNumber, int maxResult, CriteriaDTO criteriaDTO, LoginDTO login, CancellationToken ct)
    {
        if (firstNumber == -1 && maxResult == -1)
            return await _dal.GetOperationListAsync(criteriaDTO, login, ct).ConfigureAwait(false);

        return await _dal.GetPagedOperationList(firstNumber, maxResult, login, ct).ConfigureAwait(false);
    }

    public async Task<string> SaveOperationAsync(ApiOperationSaveDTO dto, LoginDTO login, CancellationToken ct)
    {
        if (dto.ApiId == 0) throw new ArgumentException("ApiId must be greater than zero.", nameof(dto.ApiId));
        if (dto.ApiInterfaceId == 0) throw new ArgumentException("ApiInterfaceId must be greater than zero.", nameof(dto.ApiInterfaceId));
        if (string.IsNullOrWhiteSpace(dto.OperationKey)) throw new ArgumentException("OperationKey cannot be empty.", nameof(dto.OperationKey));
        if (string.IsNullOrWhiteSpace(dto.HttpMethod)) throw new ArgumentException("HttpMethod cannot be empty.", nameof(dto.HttpMethod));

        bool isNew = dto.ApiOperationId == 0;
        long apiOperationId;
        var now = DateTime.UtcNow;

        dto.TenantId = login.ClientId;

        if (isNew)
        {
            var autoNumberDTO = await _autoNumber.GetAutoNumber(1, "APIOPERATION", login);
            dto.ApiOperationId = autoNumberDTO.StartNumber;
            dto.CreatedById = login.UserId;
            dto.CreatedOn = now;
            dto.ModifiedById = login.UserId;
            dto.ModifiedOn = now;
            apiOperationId = await _dal.SaveOperationAsync(dto, login, ct).ConfigureAwait(false);
        }
        else
        {
            dto.ModifiedById = login.UserId;
            dto.ModifiedOn = now;
            apiOperationId = await _dal.UpdateOperationAsync(dto, login, ct).ConfigureAwait(false);
        }

        var cacheKey = new CacheKeyGeneration().KeyGeneration(
            login.ClientId.ToString(),
            Constant.EntityConstant.OBJECTAMPOPERATION,
            Constant.CacheKeyLevel.CLIENT_LEVEL,
            login);
        try { await _keyInvalidate.InvalidateCache(cacheKey); }
        catch (Exception ex) { _logger.LogWarning(ex, "Dapr cache invalidation failed for Operation {ApiOperationId}", apiOperationId); }

        try
        {
            await _eventLog.PublishEventLogAsync(
                isNew ? "AMP API Operation Registered" : "AMP API Operation Updated",
                new { dto.OperationKey, dto.HttpMethod, dto.ApiId, dto.ApiInterfaceId, ApiOperationId = apiOperationId },
                Constant.EventTypeConstant.SAVEDOCUMENTSET,
                0,
                login).ConfigureAwait(false);
        }
        catch (Exception ex) { _logger.LogWarning(ex, "Dapr event publish failed for Operation {ApiOperationId}", apiOperationId); }

        return isNew
            ? $"{SuccessResponse.SaveSuccessMessage} {apiOperationId}"
            : $"{SuccessResponse.UpdateSuccessMessage} {apiOperationId}";
    }

    public async Task<string> DeleteById(int apiOperationId, LoginDTO login, CancellationToken ct)
    {
        await _dal.DeleteById(apiOperationId, login, ct).ConfigureAwait(false);
        return SuccessResponse.DeleteSuccessMessage;
    }
}