using MediatR;
using EnvelopeGenerator.Application.Histories.Commands;
using EnvelopeGenerator.Domain.Constants;
using Microsoft.Extensions.Logging;

namespace EnvelopeGenerator.Application.Pdf.Behaviors;

/// <summary>
/// 
/// </summary>
public class CreateHistoryBehavior : IPipelineBehavior<BurnPdfCommand, byte[]>
{
    private readonly ISender _sender;

    private readonly ILogger<CreateHistoryBehavior> _logger;

    /// <summary>
    /// 
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="logger"></param>
    public CreateHistoryBehavior(ISender sender, ILogger<CreateHistoryBehavior> logger)
    {
        _sender = sender;
        _logger = logger;
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="request"></param>
    /// <param name="next"></param>
    /// <param name="cancel"></param>
    /// <returns></returns>
    public async Task<byte[]> Handle(BurnPdfCommand request, RequestHandlerDelegate<byte[]> next, CancellationToken cancel)
    {
        var doc = await next(cancel);

        if (!request.Debug)
            await _sender.Send(new CreateHistoryCommand()
            {
                EnvelopeId = request.EnvelopeId,
                UserReference = "System",
                Status = EnvelopeStatus.EnvelopeReportCreated,
            }, cancel);

        return doc;
    }
}