namespace EnvelopeGenerator.ReceiverUI.Web.Client.Api.Models;

/// <summary>
/// Client-side DTOs for envelope display. These mirror the server-side
/// EnvelopeReceiverDto / EnvelopeDto / DocumentDto used by the existing
/// API endpoints, but expose only the fields the receiver UI actually needs.
/// JSON serialization is camelCase by default (System.Text.Json).
/// </summary>
public class EnvelopeReceiverDto
{
    public long EnvelopeId { get; set; }
    public long ReceiverId { get; set; }
    public string? Name { get; set; }
    public bool HasPhoneNumber { get; set; }
    public EnvelopeDto? Envelope { get; set; }
    public ReceiverDto? Receiver { get; set; }
}

public class EnvelopeDto
{
    public long Id { get; set; }
    public string? Uuid { get; set; }
    public string? Title { get; set; }
    public string? Message { get; set; }
    public bool ReadOnly { get; set; }
    public bool UseAccessCode { get; set; }
    public bool TFAEnabled { get; set; }
    public DateTime AddedWhen { get; set; }
    public SenderUserDto? User { get; set; }
    public List<DocumentDto>? Documents { get; set; }
}

public class SenderUserDto
{
    public string? Email { get; set; }
    public string? Prename { get; set; }
    public string? Name { get; set; }
}

public class ReceiverDto
{
    public long Id { get; set; }
    public string? EmailAddress { get; set; }
    public string? Signature { get; set; }
    public string? Prename { get; set; }
    public string? Name { get; set; }
}

public class DocumentDto
{
    public long Id { get; set; }
    public string? Name { get; set; }
    public List<DocumentElementDto>? Elements { get; set; }
}

/// <summary>
/// Signature placement on a PDF document. Pixel/inch units follow the same
/// convention as the legacy PSPDFKit pipeline.
/// </summary>
public class DocumentElementDto
{
    public int Id { get; set; }
    public int Page { get; set; }
    public double Left { get; set; }
    public double Top { get; set; }
}

/// <summary>
/// Body for <c>POST /api/readonly</c> (share read-only link with another e-mail).
/// </summary>
public class ReadOnlyShareRequest
{
    public string ReceiverMail { get; set; } = string.Empty;
    public DateTime DateValid { get; set; }
}

/// <summary>
/// Returned by <c>GET /api/annotation/elements</c>. Each item describes a
/// signature placeholder the authenticated receiver must sign on the
/// current envelope. Coordinates are in PDF points relative to the page.
/// </summary>
public class SignatureElementDto
{
    public int Id { get; set; }
    public int Page { get; set; }
    public double X { get; set; }
    public double Y { get; set; }
    public double Width { get; set; }
    public double Height { get; set; }
    public bool Required { get; set; }
    public string? Tooltip { get; set; }
}

/// <summary>
/// Body of <c>POST /api/annotation/blazor</c> — mirrors the API-side
/// <c>BlazorSignaturePayload</c>.
/// </summary>
public class BlazorSignaturePayload
{
    public List<BlazorSignatureEntry> Signatures { get; set; } = new();
}

public class BlazorSignatureEntry
{
    public int ElementId { get; set; }
    /// <summary>Image as data URL (e.g. <c>data:image/png;base64,...</c>).</summary>
    public string SignatureDataUrl { get; set; } = string.Empty;
    public string? Position { get; set; }
    public string? City { get; set; }
    public DateTime SignedAt { get; set; }
}

/// <summary>
/// Response of <c>GET /api/tfa/{envelopeReceiverId}</c>. The API serializes
/// the anonymous type in <c>TfaRegistrationController.RegisterAsync</c>; the
/// shape mirrored here is the camelCased JSON that crosses the wire.
/// </summary>
public class TfaRegistrationResponse
{
    public int EnvelopeId { get; set; }
    public string? Uuid { get; set; }
    public string? Signature { get; set; }
    public DateTime? TfaRegDeadline { get; set; }
    /// <summary>Base64-encoded PNG suitable for <c>data:image/png;base64,...</c>.</summary>
    public string? TotpQR64 { get; set; }
}