using EnvelopeGenerator.Application.Common.Dto;
using EnvelopeGenerator.Application.Common.Dto.EnvelopeReceiver;
using EnvelopeGenerator.Application.Common.Extensions;
using EnvelopeGenerator.Application.Common.Notifications.RemoveSignature;
using EnvelopeGenerator.Domain.Constants;
using MediatR;
using System.Dynamic;

namespace EnvelopeGenerator.Application.Common.Notifications.DocSigned;

/// <summary>
/// 
/// </summary>
/// <param name="Instant"></param>
/// <param name="Structured"></param>
public record PsPdfKitAnnotation(ExpandoObject Instant, IEnumerable<AnnotationCreateDto> Structured);

/// <summary>
/// Notification raised when a document is signed by a receiver.
/// </summary>
public record DocSignedNotification : INotification, ISendMailNotification
{
    /// <summary>
    /// The envelope receiver information.
    /// </summary>
    public required EnvelopeReceiverDto EnvelopeReceiver { get; init; }

    /// <summary>
    /// The PSPDFKit annotation data.
    /// </summary>
    public PsPdfKitAnnotation? PsPdfKitAnnotation { get; init; }

    /// <summary>
    /// Gets the email template type.
    /// </summary>
    public EmailTemplateType TemplateType => EmailTemplateType.DocumentSigned;

    /// <summary>
    /// Gets the email address of the receiver.
    /// </summary>
    public string EmailAddress => EnvelopeReceiver.Receiver?.EmailAddress
        ?? throw new InvalidOperationException($"Receiver is null." +
            $"DocSignedNotification:\n{this.ToJson(Format.Json.ForDiagnostics)}");
}