using AmpDAL.CustomCode.ApiSchema;
using AmpDAL.DTO.ApiSchema;
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 GB5Shared.Validation;
using Microsoft.Extensions.Logging;

namespace AMPBLL.APISchema;

public class ApiSchemaBLL(
    IApiSchemaDAL         _dal,
    IValidation           _validation,
    AutoNumber            _autoNumber,
    KeyInvalidate         _keyInvalidate,
    EventLogPublish       _eventLog,
    ILogger<ApiSchemaBLL> _logger
) : IApiSchemaBLL
{
    public async Task<ApiSchemaDTO?> GetSchemaAsync(long apiSchemaId, long apiInterfaceId, LoginDTO login, CancellationToken ct)
        => await _dal.GetSchemaAsync(apiSchemaId, apiInterfaceId, login, ct).ConfigureAwait(false);

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

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

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

    public async Task<string> SaveSchemaAsync(ApiSchemaSaveDTO 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.ApiName)) throw new ArgumentException("ApiName cannot be empty.", nameof(dto.ApiName));

        bool isNew = dto.ApiSchemaId == 0;
        long apiSchemaId;
        var now = DateTime.UtcNow;

        dto.TenantId = login.ClientId;

        if (isNew)
        {
            var autoNumberDTO = await _autoNumber.GetAutoNumber(1, "APISCHEMA", login);
            dto.ApiSchemaId = autoNumberDTO.StartNumber;
            dto.CreatedById = login.UserId;
            dto.CreatedOn = now;
            dto.ModifiedById = login.UserId;
            dto.ModifiedOn = now;
            apiSchemaId = await _dal.SaveSchemaAsync(dto, login, ct).ConfigureAwait(false);
        }
        else
        {
            dto.ModifiedById = login.UserId;
            dto.ModifiedOn = now;
            apiSchemaId = await _dal.UpdateSchemaAsync(dto, login, ct).ConfigureAwait(false);
        }

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

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

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

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