using Goo;
using Sandbox;
using Sandbox.UI;

namespace Sandbox.TarkovInventory;

// visual tokens and tile geometry shared by TarkovStashUI, StashTileBlob, and SplitModalBlob via `using static`; demo-local, not a Goo brand token.
internal static class StashTheme
{
    public const float SlotSize = 88f;
    public const float EquipSlotSize = 96f;                              // compact paper-doll equip slot square

    public static readonly Color GridBg   = new( 0.07f, 0.07f, 0.09f, 0.96f );
    public static readonly Color CellBg   = new( 1f, 1f, 1f, 0.04f );
    public static readonly Color OkTint   = new( 0.30f, 0.90f, 0.45f, 0.40f );
    public static readonly Color BadTint  = new( 0.95f, 0.30f, 0.30f, 0.40f );
    public static readonly Color MergeTint = new( 0.30f, 0.75f, 0.95f, 0.45f );   // cyan: drop will stack onto this cell
    public static readonly Color Backdrop = new( 0f, 0f, 0f, 0.55f );
    public static readonly Color Title    = new( 0.92f, 0.92f, 0.96f, 1f );
    public static readonly Color Faint    = new( 1f, 1f, 1f, 0.55f );
    public static readonly Color ItemBdr  = new( 1f, 1f, 1f, 0.22f );
    public static readonly Color SlotBg   = new( 1f, 1f, 1f, 0.05f );          // empty equip slot
    public static readonly Color BtnOff   = new( 0.30f, 0.30f, 0.34f, 1f );    // Cancel button
    public static readonly Color BtnGrey  = new( 0.22f, 0.22f, 0.26f, 1f );    // disabled Split button
    public const string IconTint = "#e8e8f0";
    public const float IconPad = 6f;
    // mono face for a tactical inventory look; not a stock UI default (same Google-font-by-name path as the other demos).
    public const string LabelFont = "Space Mono";

    // Reserved height for the name and amount rows when sizing the middle glyph of a three-row tile.
    public const float RowH = 22f;

    // Icon fills the tile's SHORTER axis (square, minus padding) so multi-cell items read at full
    // size without distorting the square SVG art - independent of how the engine scales the glyph.
    public static float IconSide( GridRect rect )
    {
        int min = rect.W < rect.H ? rect.W : rect.H;
        return min * SlotSize - 2f * IconPad;
    }

    // Square glyph for the three-row tile: the middle space (tile height minus the two text rows), capped to width.
    public static float IconRowSide( GridRect rect )
    {
        float byW = rect.W * SlotSize - 2f * IconPad;
        float byH = rect.H * SlotSize - 2f * RowH;
        return byW < byH ? byW : byH;
    }

    // Natural footprint, swapped when rotated 90 degrees.
    public static (int w, int h) Eff( StashItem item, bool rotated ) => rotated ? (item.H, item.W) : (item.W, item.H);

    // per-type solid tile tint; solid stand-in for per-type gradients (Goo BackgroundImage is Texture?; no typed gradient primitive yet).
    public static Color KindTint( ItemKind kind ) => kind switch
    {
        ItemKind.Gem      => new( 0.13f, 0.30f, 0.34f, 1f ),  // teal
        ItemKind.Helmet   => new( 0.34f, 0.27f, 0.12f, 1f ),  // amber
        ItemKind.Rifle    => new( 0.34f, 0.15f, 0.16f, 1f ),  // crimson
        ItemKind.Magazine => new( 0.20f, 0.18f, 0.34f, 1f ),  // indigo
        _                 => new( 0.20f, 0.22f, 0.28f, 1f ),
    };
}