using System.Threading.Tasks;
using Sozsoft.Languages.Entities;
using Sozsoft.Languages.Localization;
using Volo.Abp.Caching;
using Volo.Abp.DependencyInjection;
using Volo.Abp.Domain.Entities.Events;
using Volo.Abp.EventBus;

namespace Sozsoft.Languages;

public class LanguageTextCacheItemInvalidator :
    ILocalEventHandler<EntityChangedEventData<LanguageText>>,
    ITransientDependency
{
    private readonly IDistributedCache<LanguageTextCacheItem> cache;
    private readonly IDatabaseResourceLocalizer localizer;

    public LanguageTextCacheItemInvalidator(IDistributedCache<LanguageTextCacheItem> cache, IDatabaseResourceLocalizer localizer)
    {
        this.cache = cache;
        this.localizer = localizer;
    }

    public async Task HandleEventAsync(EntityChangedEventData<LanguageText> eventData)
    {
        //distributedCacheOptions.Value.KeyPrefix
        var key = LanguageTextCacheItem.CalculateCacheKey(eventData.Entity.ResourceName, eventData.Entity.CultureName);
        await cache.RemoveAsync(key);
        localizer.ClearLocalCache();
    }
}