namespace DigitalData.MessagingService.Application.Common.Dto;

/// <summary>
/// Represents an email message received via IMAP.
/// </summary>
public sealed record ReceivedEmailDto
{
    /// <summary>
    /// Unique identifier of the message on the IMAP server (UID).
    /// </summary>
#if NET
    public long Uid { get; init; }
#else
    public long Uid { get; set; }
#endif

    /// <summary>
    /// ID of the email account this message belongs to.
    /// </summary>
#if NET
    public int AccountId { get; init; }
#else
    public int AccountId { get; set; }
#endif

    /// <summary>
    /// Sender address (From header).
    /// </summary>
#if NET
    public string From { get; init; } = string.Empty;
#else
    public string From { get; set; } = string.Empty;
#endif

    /// <summary>
    /// Recipient addresses (To header).
    /// </summary>
#if NET
    public IEnumerable<string> To { get; init; } = [];
#else
    public IEnumerable<string> To { get; set; } = [];
#endif

    /// <summary>
    /// CC addresses.
    /// </summary>
#if NET
    public IEnumerable<string> Cc { get; init; } = [];
#else
    public IEnumerable<string> Cc { get; set; } = [];
#endif

    /// <summary>
    /// Email subject.
    /// </summary>
#if NET
    public string Subject { get; init; } = string.Empty;
#else
    public string Subject { get; set; } = string.Empty;
#endif

    /// <summary>
    /// Plain-text body (may be empty when only HTML is present).
    /// </summary>
#if NET
    public string TextBody { get; init; } = string.Empty;
#else
    public string TextBody { get; set; } = string.Empty;
#endif

    /// <summary>
    /// HTML body (may be empty when only plain-text is present).
    /// </summary>
#if NET
    public string HtmlBody { get; init; } = string.Empty;
#else
    public string HtmlBody { get; set; } = string.Empty;
#endif

    /// <summary>
    /// Date/time the message was sent (Date header).
    /// </summary>
#if NET
    public DateTime Date { get; init; }
#else
    public DateTime Date { get; set; }
#endif

    /// <summary>
    /// Attachments included with this message.
    /// </summary>
#if NET
    public IEnumerable<EmailAttachmentDto> Attachments { get; init; } = [];
#else
    public IEnumerable<EmailAttachmentDto> Attachments { get; set; } = [];
#endif

    /// <summary>
    /// Whether the message has been marked as seen/read on the server.
    /// </summary>
#if NET
    public bool IsSeen { get; init; }
#else
    public bool IsSeen { get; set; }
#endif

#if NET
    public required string Folder { get; init; }
#else
    public string Folder { get; set; } = null!;
#endif
}