import { describe, expect, test } from "bun:test";
import type { ImageDocument } from "@core/document";
import { applyTransformTargetBounds, resolveTransformTargetBounds, selectedTransformTarget } from "./transform-targets";

const document: ImageDocument = {
  id: "d1",
  name: "Test",
  version: 1,
  assets: [],
  artboards: [
    {
      id: "a1",
      name: "Artboard",
      bounds: { x: 0, y: 0, w: 100, h: 80 },
      backgroundColor: "transparent",
      layers: [],
    },
  ],
};

describe("transform targets", () => {
  test("selects layer target before artboard target", () => {
    expect(selectedTransformTarget(document, { artboardId: "a1", layerIds: ["l1"] })).toEqual({ type: "layer", id: "l1" });
  });

  test("resolves artboard bounds", () => {
    expect(resolveTransformTargetBounds(document, { type: "artboard", id: "a1" })).toEqual({ x: 0, y: 0, w: 100, h: 80 });
  });

  test("applies artboard bounds", () => {
    const next = applyTransformTargetBounds(document, { type: "artboard", id: "a1" }, { x: 10, y: 20, w: 200, h: 160 });
    expect(next.artboards[0]?.bounds).toEqual({ x: 10, y: 20, w: 200, h: 160 });
  });
});