import { describe, expect, it } from "vitest";
import {
  DEFAULT_GRAPHICS_SETTINGS,
  ambientFillMultiplier,
  nextGraphicsChoice,
  normalizeGraphicsSettings,
  RENDER_SCALES,
} from "./graphicsSettings";

describe("dungeon graphics settings", () => {
  it("keeps known choices and rejects invalid saved values", () => {
    expect(normalizeGraphicsSettings(DEFAULT_GRAPHICS_SETTINGS, {
      renderScale: 2,
      textureFiltering: 16,
      shadowQuality: "high",
      ambientFill: "low",
    })).toEqual({ renderScale: 2, textureFiltering: 16, shadowQuality: "high", ambientFill: "low" });
    expect(normalizeGraphicsSettings(DEFAULT_GRAPHICS_SETTINGS, {
      renderScale: 5 as 2,
      textureFiltering: 8 as 16,
      shadowQuality: "ultra" as "high",
    })).toEqual(DEFAULT_GRAPHICS_SETTINGS);
  });

  it("cycles all resolution choices and keeps authored ambient fill unchanged", () => {
    expect(nextGraphicsChoice(2, RENDER_SCALES)).toBe("adaptive");
    expect(ambientFillMultiplier("authored")).toBe(1);
    expect(ambientFillMultiplier("low")).toBeLessThan(1);
    expect(ambientFillMultiplier("high")).toBeGreaterThan(1);
  });
});