using Erp.Languages.Entities;
using System;
using System.Threading.Tasks;
using Volo.Abp.Caching;
using Volo.Abp.DependencyInjection;
using Volo.Abp.Domain.Entities.Events.Distributed;
using Volo.Abp.Domain.Repositories;
using Volo.Abp.EventBus.Distributed;

namespace Erp.Languages;

public class LanguageTextCacheItemInvalidatorDistributed :
    IDistributedEventHandler<EntityCreatedEto<LanguageTextEto>>,
    IDistributedEventHandler<EntityUpdatedEto<LanguageTextEto>>,
    IDistributedEventHandler<EntityDeletedEto<LanguageTextEto>>,
    ITransientDependency
{
    private readonly IRepository<LanguageText, Guid> languageTextRepository;
    private readonly IDistributedCache<LanguageTextCacheItem> cache;

    public LanguageTextCacheItemInvalidatorDistributed(
        IRepository<LanguageText, Guid> languageTextRepository,
        IDistributedCache<LanguageTextCacheItem> cache)
    {
        this.languageTextRepository = languageTextRepository;
        this.cache = cache;
    }

    public async Task HandleEventAsync(EntityCreatedEto<LanguageTextEto> eventData)
    {
        await InvalidateCacheAsync(eventData.Entity);
    }

    public async Task HandleEventAsync(EntityUpdatedEto<LanguageTextEto> eventData)
    {
        await InvalidateCacheAsync(eventData.Entity);
    }

    public async Task HandleEventAsync(EntityDeletedEto<LanguageTextEto> eventData)
    {
        await InvalidateCacheAsync(eventData.Entity);
    }

    private async Task InvalidateCacheAsync(LanguageTextEto eventData)
    {
        var key = LanguageTextCacheItem.CalculateCacheKey(eventData.ResourceName, eventData.CultureName);
        await cache.RemoveAsync(key);
    }
}

public class LanguageTextEto
{
    public string CultureName { get; set; }
    public string ResourceName { get; set; }
}


// For distributed event bus
//private void ConfigureDistributedEventBus()
//{
//    Configure<AbpDistributedEntityEventOptions>(options =>
//    {
//        //Enable for all entities
//        //options.AutoEventSelectors.AddAll();

//        //Enable for a single entity
//        options.AutoEventSelectors.Add<LanguageText>();
//        options.EtoMappings.Add<LanguageText, LanguageTextEto>();

//        //Enable for all entities in a namespace (and child namespaces)
//        //options.AutoEventSelectors.AddNamespace("MyProject.Products");

//        //Custom predicate expression that should return true to select a type
//        //options.AutoEventSelectors.Add(type => type.Namespace.StartsWith("MyProject."));
//    });
//}