namespace EnvelopeGenerator.ReceiverUI.Options;

public class PdfViewerOptions
{
    public const string SectionName = "PdfViewer";

    /// <summary>
    /// Base scale for thumbnail rendering (0.2 - 1.5 recommended)
    /// Higher values = better quality but slower rendering
    /// Default: 0.75
    /// </summary>
    public double ThumbnailBaseScale { get; set; } = 0.75;

    /// <summary>
    /// Enable HiDPI/Retina support for thumbnails
    /// Default: true
    /// </summary>
    public bool ThumbnailEnableHiDPI { get; set; } = true;

    /// <summary>
    /// Maximum device pixel ratio multiplier for thumbnails (1.0 - 3.0)
    /// Caps DPR to avoid excessive memory usage on 4K+ displays
    /// Default: 2.0
    /// </summary>
    public double ThumbnailMaxDPR { get; set; } = 2.0;

    /// <summary>
    /// Enable HiDPI/Retina support for main PDF canvas
    /// Default: true
    /// </summary>
    public bool MainCanvasEnableHiDPI { get; set; } = true;

    /// <summary>
    /// Maximum device pixel ratio multiplier for main canvas (1.0 - 3.0)
    /// Default: 2.0
    /// </summary>
    public double MainCanvasMaxDPR { get; set; } = 2.0;

    /// <summary>
    /// Enable smooth zoom transition (fade effect)
    /// Default: true
    /// </summary>
    public bool EnableSmoothZoom { get; set; } = true;

    /// <summary>
    /// Zoom transition duration in milliseconds (50 - 500)
    /// Default: 150
    /// </summary>
    public int ZoomTransitionDuration { get; set; } = 150;

    /// <summary>
    /// Opacity during rendering (0.0 - 1.0)
    /// Lower values = more visible fade effect
    /// Default: 0.85
    /// </summary>
    public double RenderingOpacity { get; set; } = 0.85;

    /// <summary>
    /// Delay between thumbnail renders in milliseconds (10 - 200)
    /// Higher values = less browser stress, slower initial load
    /// Default: 50
    /// </summary>
    public int ThumbnailRenderDelay { get; set; } = 50;
}