using PnvPanel.Application.Common.Interfaces;
using LiteCqrs;
using PnvPanel.Application.Common.Models;
using PnvPanel.Application.News;
using PnvPanel.Domain.News;

namespace PnvPanel.Application.Admin.News;

public sealed class CreatePostCommandHandler(
    IAppDbContext dbContext,
    IRealtimeNotifier notifier,
    ITelegramNotifier telegramNotifier
) : ICommandHandler<CreatePostCommand, Result<NewsPostDto>>
{
    public async Task<Result<NewsPostDto>> Handle(
        CreatePostCommand command,
        CancellationToken cancellationToken
    )
    {
        var post = NewsPost.Create(command.Title, command.Body);
        dbContext.NewsPosts.Add(post);

        await notifier.NotifyNewsPublishedAsync(
            post.Id,
            post.Title,
            post.CreatedAt,
            cancellationToken
        );
        await telegramNotifier.NotifyUsersNewsPublishedAsync(
            post.Title,
            post.Body,
            cancellationToken
        );

        return Result.Success(NewsPostDto.FromDomain(post));
    }
}