using PostFundManagement.Application.Abstractions;
using PostFundManagement.Application.Abstractions.Services;
using PostFundManagement.Application.Services.Shared;
using static PostFundManagement.Domain.Extensions.Constants;

namespace PostFundManagement.Application.Services.Tools;

public sealed class ToolCacheService(ToolService service, IDistributedCache cache, 
    IFeatureManager featureManager) : ServiceCacheBase, IToolService
{
    public async Task<Result<string>> EncodeLong(long id, CancellationToken cancellationToken) =>
        await Result.Try((Func<Task<Result<string>>>)(async () =>
        {
            if (!await featureManager.IsEnabledAsync(ServiceCachingFeature))
                return await service.EncodeLong(id, cancellationToken);

            var cacheKey = HashService.ToMd5Hash($"encodelonghash-{id}").Value;

            var cached = await cache.GetStringAsync(cacheKey, cancellationToken);

            if(string.IsNullOrWhiteSpace(cached))
            {
                var result = (await service.EncodeLong(id).ConfigureAwait(false));

                if (result.IsFailed) return result;

                await cache.SetStringAsync(cacheKey, result.Value, cacheOptions, cancellationToken);

                return result.Value;
            }

            return Result.Ok(cached);
        }));
}