using MediatR;
using System.ComponentModel.DataAnnotations;

namespace EnvelopeGenerator.Application.EnvelopeReceivers.Commands.Create;

#region DTOs
/// <summary>
/// Signaturposition auf einem Dokument.
/// </summary>
/// <param name="X">X-Position</param>
/// <param name="Y">Y-Position</param>
/// <param name="Page">Seite, auf der sie sich befindet</param>
public record Signature([Required] int X, [Required] int Y, [Required] int Page);

/// <summary>
/// DTO für Empfänger, die erstellt oder abgerufen werden sollen.
/// Wenn nicht, wird sie erstellt und mit einer Signatur versehen.
/// </summary>
/// <param name="Signatures">Unterschriften auf Dokumenten.</param>
/// <param name="Name">Der Name, mit dem der Käufer angesprochen werden soll. Bei Null oder keinem Wert wird der zuletzt verwendete Name verwendet.</param>
/// <param name="PhoneNumber">Sollte mit Vorwahl geschrieben werden</param>
public record ReceiverGetOrCreateDto([Required] IEnumerable<Signature> Signatures, string? Name = null, string? PhoneNumber = null)
{
    private string _emailAddress = string.Empty;

    /// <summary>
    /// E-Mail-Adresse des Empfängers.
    /// </summary>
    [Required]
    public required string EmailAddress { get => _emailAddress.ToLower(); init => _emailAddress = _emailAddress.ToLower(); }
};

/// <summary>
/// DTO for creating a document.
/// </summary>
/// <param name="DataAsByte">
/// The document data in byte array format. This is used when the document is provided as raw binary data.
/// </param>
/// <param name="DataAsBase64">
/// The document data in Base64 string format. This is used when the document is provided as a Base64-encoded string.
/// </param>
public record DocumentCreateDto(byte[]? DataAsByte = null, string? DataAsBase64 = null);
#endregion

/// <summary>
/// <summary>
/// Command to create an envelope.
/// </summary>
/// <param name="Title">The title of the envelope. This is a required field.</param>
/// <param name="Message">The message to be included in the envelope. This is a required field.</param>
/// <param name="Document">The document associated with the envelope. This is a required field.</param>
/// <param name="Receivers">A collection of receivers who will receive the envelope. This is a required field.</param>
/// <param name="Language">The language of the envelope. Defaults to "de-DE" if not specified.</param>
/// <param name="ExpiresWhen">The expiration date of the envelope. Optional.</param>
/// <param name="ExpiresWarningWhen">The date when a warning should be issued before expiration. Optional.</param>
/// <param name="ContractType">The type of contract associated with the envelope. Defaults to the "Contract" type.</param>
/// <param name="TFAEnabled">Indicates whether two-factor authentication is enabled for the envelope. Defaults to false.</param>
/// Befehl zur Erstellung eines Umschlags.
/// </summary>
/// <param name="Title"></param>
/// <param name="Message"></param>
/// <param name="Document"></param>
/// <param name="Receivers"></param>
/// <param name="Language"></param>
/// <param name="ExpiresWhen"></param>
/// <param name="ExpiresWarningWhen"></param>
/// <param name="ContractType"></param>
/// <param name="TFAEnabled"></param>
public record CreateEnvelopeCommand(
    [Required] string Title,
    [Required] string Message,
    [Required] DocumentCreateDto Document,
    [Required] IEnumerable<ReceiverGetOrCreateDto> Receivers,
    string Language = "de-DE",
    DateTime? ExpiresWhen = null,
    DateTime? ExpiresWarningWhen = null,
    int ContractType = (int)Common.Constants.ContractType.Contract,
    bool TFAEnabled = false
    ) : IRequest;