import assert from "node:assert/strict";
import test from "node:test";

import { leaferViewSize, leaferVisualDescriptor, visualInput } from "../src/ui/pages/CanvasWorkspace/canvas/leaferRenderer.ts";

const cadNode = {
  id: "cad-1",
  type: "image",
  title: "drawing.dwg",
  x: 10,
  y: 20,
  width: 640,
  height: 480,
  content: "https://assets.example/drawing.svg",
  renderContent: "https://assets.example/drawing.render.webp",
  tone: "transparent-image",
  status: "success",
  layerRole: "cad-vector",
  semanticContext: "CAD semantic context: layer ROOMS"
};

test("renders CAD through its WebP texture without changing source or semantics", () => {
  const descriptor = leaferVisualDescriptor(cadNode);
  const input = visualInput(descriptor);

  assert.equal(descriptor.kind, "image");
  assert.match(descriptor.url, /drawing\.render\.webp/);
  assert.equal(input.x, cadNode.x + cadNode.width / 2);
  assert.equal(input.y, cadNode.y + cadNode.height / 2);
  assert.equal(cadNode.content, "https://assets.example/drawing.svg");
  assert.match(cadNode.semanticContext, /ROOMS/);
});

test("keeps vector nodes on the DOM fallback until a render texture exists", () => {
  assert.equal(leaferVisualDescriptor({ ...cadNode, renderContent: undefined }), null);
});

test("maps manual frames to retained Leafer rectangles", () => {
  const descriptor = leaferVisualDescriptor({
    ...cadNode,
    id: "frame-1",
    type: "frame",
    layerRole: "manual-frame",
    fillColor: "#ffffff",
    strokeColor: "#101010",
    strokeWidth: 2,
    strokeStyle: "dashed"
  });

  assert.equal(descriptor.kind, "frame");
  assert.deepEqual(descriptor.dashPattern, [12, 8]);
});

test("sizes the Leafer surface from the mounted stage instead of stale defaults", () => {
  assert.deepEqual(leaferViewSize({ clientWidth: 1685, clientHeight: 1670 }, { width: 1100, height: 760 }), {
    width: 1685,
    height: 1670
  });
});