import assert from "node:assert/strict";
import { readFile } from "node:fs/promises";
import { test } from "node:test";

const component = (name) => new URL(`../src/components/laboratory/${name}`, import.meta.url);

test("semantic evidence mask is decoded, cached, cancelled and object-contained client-side", async () => {
  const source = await readFile(component("RecordedEvidenceSemanticMaskOverlay.tsx"), "utf8");
  assert.match(source, /decodedMaskCache/);
  assert.match(source, /pendingMaskCache/);
  assert.match(source, /AbortController/);
  assert.match(source, /getImageData/);
  assert.match(source, /8-bit grayscale class-id PNG/);
  assert.match(source, /ResizeObserver/);
  assert.match(source, /Math\.min\(width \/ imageWidth, height \/ imageHeight\)/);
  assert.match(source, /decoded\.key !== expectedKey/);
  assert.match(source, /mask\?\.key === expectedKey/);
  assert.match(source, /необъявленный class ID/);
  assert.match(source, /recorded-evidence-semantic-mask-overlay__error/);
  assert.match(source, /role="alert"/);
});

test("shared recorded scenes place optional semantic masks beneath boxes", async () => {
  const [imageScene, videoScene] = await Promise.all([
    readFile(component("RecordedEvidenceImageScene.tsx"), "utf8"),
    readFile(component("RecordedEvidenceVideoScene.tsx"), "utf8"),
  ]);
  for (const source of [imageScene, videoScene]) {
    assert.match(source, /semanticOverlay\?: RecordedEvidenceSemanticOverlay/);
    assert.ok(
      source.indexOf("<RecordedEvidenceSemanticMaskOverlay")
      < source.indexOf("<RecordedEvidenceBoxOverlay"),
    );
  }
});

test("metric evidence keeps missing semantic assignments as context and exposes a taxonomy legend", async () => {
  const source = await readFile(component("LaboratoryMetricEvidenceScene.tsx"), "utf8");
  assert.match(source, /pointSemanticClassIds\?: readonly \(number \| null\)\[\]/);
  assert.match(source, /pointSemanticClassIds\.length === pointCloudBodyXyzM\.length/);
  assert.match(source, /classId === null \? undefined : colorsByClassId\.get\(classId\)/);
  assert.match(source, /data-decision="semantic"/);
  assert.match(source, /recordedEvidenceSemanticCssColor/);
});

test("semantic point alignment is enforced only when M4 exposes the exact spatial increment", async () => {
  const source = await readFile(
    new URL("../src/workspaces/laboratory/M4ReplayThreatVisual.tsx", import.meta.url),
    "utf8",
  );
  assert.match(source, /semantic && frame\?\.spatialAvailable && semanticFrame/);
  assert.match(source, /\|\| !frame\.spatialAvailable\s*\|\| !semanticFrame/);
  assert.match(source, /semanticFrame\.sourcePointCount !== frame\.pointCloudSourceCount/);
});

test("M4 mounts semantic mask overlays only for the active VIDEO or CAMERA layer", async () => {
  const source = await readFile(
    new URL("../src/workspaces/laboratory/M4ReplayThreatVisual.tsx", import.meta.url),
    "utf8",
  );
  assert.match(
    source,
    /semanticOverlay=\{mode === "video" \? semanticOverlay : undefined\}/,
  );
  assert.match(
    source,
    /semanticOverlay=\{mode === "camera" \? semanticOverlay : undefined\}/,
  );
});