using System;
using Sonex.Data.Records;
using Windows.UI;

namespace Sonex.Client.Controls.TimelineGrid;

public sealed class TimelineGridFunctionDefinition
{
    public int Id { get; set; }

    public string Name { get; set; } = string.Empty;

    public Color LineColor { get; set; }

    public Color PointColor { get; set; }

    public Color BorderColor { get; set; }

    public double? AverageValue { get; set; }

    public string? Description { get; set; }

    public string? Symbol { get; set; }

    public int BaseColorArgb { get; set; }

    public bool IsGap { get; set; }

    public static TimelineGridFunctionDefinition FromRecord(OperationTypesRecord record)
    {
        var baseColor = ColorFromArgbInt(record.BaseColorArgb);

        return new TimelineGridFunctionDefinition
        {
            Id = record.Id,
            Name = record.Name,
            Description = record.Description,
            Symbol = record.Symbol,
            BaseColorArgb = record.BaseColorArgb,
            LineColor = Darken(baseColor, 0.16f),
            PointColor = baseColor,
            BorderColor = Lighten(baseColor, 0.22f),
            AverageValue = record.ExpectedValue,
            IsGap = string.Equals(record.Name, "Gap", StringComparison.OrdinalIgnoreCase)
        };
    }

    private static Color ColorFromArgbInt(int argb)
    {
        unchecked
        {
            return Color.FromArgb(
                (byte)((argb >> 24) & 0xFF),
                (byte)((argb >> 16) & 0xFF),
                (byte)((argb >> 8) & 0xFF),
                (byte)(argb & 0xFF));
        }
    }

    private static Color Darken(Color color, float amount)
    {
        var clamped = Math.Clamp(amount, 0f, 1f);
        return Color.FromArgb(
            color.A,
            (byte)Math.Clamp((int)Math.Round(color.R * (1f - clamped)), 0, 255),
            (byte)Math.Clamp((int)Math.Round(color.G * (1f - clamped)), 0, 255),
            (byte)Math.Clamp((int)Math.Round(color.B * (1f - clamped)), 0, 255));
    }

    private static Color Lighten(Color color, float amount)
    {
        var clamped = Math.Clamp(amount, 0f, 1f);
        return Color.FromArgb(
            color.A,
            (byte)Math.Clamp((int)Math.Round(color.R + ((255 - color.R) * clamped)), 0, 255),
            (byte)Math.Clamp((int)Math.Round(color.G + ((255 - color.G) * clamped)), 0, 255),
            (byte)Math.Clamp((int)Math.Round(color.B + ((255 - color.B) * clamped)), 0, 255));
    }
}