using Goo;
using Sandbox.UI;

namespace Sandbox;

// Goo design tokens mirrored from goo_design_tokens.json. Update both together.
// Voice rules (lowercase chrome, no em-dashes, no forbidden words, no red, no pill buttons)
// cannot be encoded here. The demos enforce them by hand.
internal static class DemoTokens
{
    // -------- brand --------
    public static readonly Color Ink              = Color.FromBytes(0x09, 0x0B, 0x10, 255);
    public static readonly Color Bone             = Color.FromBytes(0xEC, 0xED, 0xED, 255);
    public static readonly Color White            = Color.FromBytes(0xFF, 0xFF, 0xFF, 255);
    public static readonly Color Black            = Color.FromBytes(0x00, 0x00, 0x00, 255);

    // -------- accents (sampled from goo svg assets) --------
    public static readonly Color AccentBlue       = Color.FromBytes(0x47, 0x8A, 0xD1, 255);
    public static readonly Color AccentBlueSoft   = Color.FromBytes(0x6F, 0xA6, 0xDE, 255);
    public static readonly Color AccentGreen      = Color.FromBytes(0x6C, 0xBC, 0x5F, 255);
    public static readonly Color AccentOrange     = Color.FromBytes(0xEF, 0x6A, 0x4D, 255);
    public static readonly Color AccentOrangeSoft = Color.FromBytes(0xF4, 0x8A, 0x52, 255);
    public static readonly Color AccentYellow     = Color.FromBytes(0xF9, 0xA2, 0x38, 255);

    // -------- ink scale (rungs consumed by demos) --------
    public static readonly Color Ink0  = Color.FromBytes(0x09, 0x0B, 0x10, 255);
    public static readonly Color Ink1  = Color.FromBytes(0x11, 0x14, 0x1B, 255);
    public static readonly Color Ink2  = Color.FromBytes(0x18, 0x1C, 0x25, 255);
    public static readonly Color Ink3  = Color.FromBytes(0x23, 0x28, 0x34, 255);
    public static readonly Color Ink7  = Color.FromBytes(0x90, 0x99, 0xA8, 255);
    public static readonly Color Ink8  = Color.FromBytes(0xB8, 0xBF, 0xC9, 255);
    public static readonly Color Ink10 = Color.FromBytes(0xEC, 0xED, 0xED, 255);
    public static readonly Color Ink11 = Color.FromBytes(0xF5, 0xF6, 0xF7, 255);

    // -------- semantic foreground --------
    public static readonly Color FgPrimary   = Ink10;
    public static readonly Color FgSecondary = Ink8;
    public static readonly Color FgTertiary  = Ink7;
    public static readonly Color FgInverse   = Ink0;

    // -------- semantic background --------
    public static readonly Color BgBase    = Ink0;
    public static readonly Color BgRaised  = Ink1;
    public static readonly Color BgCard    = Ink2;
    public static readonly Color BgCardHi  = Ink3;
    public static readonly Color BgLight   = Ink11;
    public static readonly Color HoverGlow = Color.FromBytes(0x32, 0x55, 0x80, 255); // BgCardHi tinted toward AccentBlue

    // -------- borders (semi-transparent; precomputed alpha = round(255 * x)) --------
    public static readonly Color Border1        = new Color(1f, 1f, 1f, 0.08f);
    public static readonly Color Border2        = new Color(1f, 1f, 1f, 0.14f);
    public static readonly Color BorderOnLight1 = new Color(0.035f, 0.043f, 0.063f, 0.08f);
    public static readonly Color BorderOnLight2 = new Color(0.035f, 0.043f, 0.063f, 0.14f);

    // -------- semantic state (alias accents) --------
    public static readonly Color Info     = AccentBlue;
    public static readonly Color Positive = AccentGreen;
    public static readonly Color Warning  = AccentYellow;
    public static readonly Color Danger   = AccentOrange;

    // -------- accent aliases --------
    public static readonly Color Accent       = AccentBlue;
    public static readonly Color AccentSoft   = AccentBlueSoft;
    public static readonly Color TextOnAccent = Ink;

    // -------- spacing (4-step scale) --------
    public static readonly Length Space1 = Px.Of(4);
    public static readonly Length Space2 = Px.Of(8);
    public static readonly Length Space3 = Px.Of(12);
    public static readonly Length Space4 = Px.Of(16);
    public static readonly Length Space5 = Px.Of(24);
    public static readonly Length Space6 = Px.Of(32);
    public static readonly Length Space7 = Px.Of(48);
    public static readonly Length Space8 = Px.Of(64);

    // -------- radii (pill defined-but-not-for-use; blob unrepresentable) --------
    public static readonly Length Radius1 = 6f;
    public static readonly Length Radius2 = 10f;
    public static readonly Length Radius3 = 14f;
    public static readonly Length Radius4 = 20f;

    // -------- font sizes --------
    public static readonly Length FontH1       = 48f;
    public static readonly Length FontH2       = 36f;
    public static readonly Length FontH3       = 28f;
    public static readonly Length FontH4       = 22f;
    public static readonly Length FontH5       = 18f;
    public static readonly Length FontH6       = 15f;
    public static readonly Length FontBodyLg   = 18f;
    public static readonly Length FontBody     = 16f;
    public static readonly Length FontBodySm   = 14f;
    public static readonly Length FontCaption  = 13f;

    // -------- line heights (precomputed; LineHeight is Length not multiplier) --------
    public static readonly Length LineH1Tight     = 50f; // 48 * 1.05
    public static readonly Length LineH2Snug      = 43f; // 36 * 1.20
    public static readonly Length LineH3Snug      = 34f; // 28 * 1.20
    public static readonly Length LineH4Snug      = 26f; // 22 * 1.20
    public static readonly Length LineBodyRelaxed = 26f; // 16 * 1.60
    public static readonly Length LineBodyBase    = 23f; // 16 * 1.45
    public static readonly Length LineCaption     = 19f; // 13 * 1.45

    // -------- letter spacing (precomputed; LetterSpacing is Length not em) --------
    public static readonly Length TrackingTightH1  = -1f; // -0.02em * 48 ~= -0.96
    public static readonly Length TrackingTightH2  = -1f; // -0.02em * 36 ~= -0.72
    public static readonly Length TrackingWider13  =  2f; //  0.14em * 13 ~= 1.82

    // -------- font weights --------
    public const int WeightRegular  = 400;
    public const int WeightMedium   = 500;
    public const int WeightSemibold = 600;
    public const int WeightBold     = 700;

    // -------- font families (FontFamily is single string, no fallback chain) --------
    public const string FontDisplay  = "Space Grotesk";
    public const string FontUI       = "Vend Sans";
    public const string FontUILabel  = "Didact Gothic";
}