import crypto from "node:crypto";
import fs from "node:fs";
import path from "node:path";
import { expect, test } from "@playwright/test";

const root = path.resolve(import.meta.dirname, "../../..");
const fixturePath = path.join(root, "tests/files/web/nonmesh_scene.blend");
const fixture = fs.readFileSync(fixturePath);
const fixtureSha256 = crypto.createHash("sha256").update(fixture).digest("hex");

test("WBV2 reads non-mesh geometry and attributes from Blender Main without JS simulation", async ({ page }) => {
  test.setTimeout(120_000);
  await page.goto("/?engine=manual");
  const result = await page.evaluate(async (bytes) => {
    const { WebEngineClient } = await import("/src/engine-client/WebEngineClient.ts");
    const summarize = (snapshot: any) => (snapshot.nonMeshData ?? []).map((data: any) => ({
      id: data.id,
      name: data.name,
      type: data.type,
      geometryStatus: data.geometryStatus,
      pointCount: data.pointCount,
      splineCount: data.splineCount,
      controlPointsLength: data.controlPoints?.length ?? 0,
      splineOffsetsLength: data.splineOffsets?.length ?? 0,
      pointWeightsLength: data.pointWeights?.length ?? 0,
      handlePointsLength: data.handlePoints?.length ?? 0,
      splineTypes: data.splineTypes ?? [],
      attributes: (data.attributes ?? []).map((attribute: any) => ({ name: attribute.name, domain: attribute.domain, dataType: attribute.dataType })).sort((a: any, b: any) => JSON.stringify(a).localeCompare(JSON.stringify(b))),
      attributeValueNames: (data.attributeValues ?? []).map((attribute: any) => attribute.name).sort(),
      textLength: typeof data.text === "string" ? data.text.length : 0,
      fontCharacterCount: data.fontCharacters?.length ?? 0,
      fontTextBoxCount: data.fontTextBoxes?.length ?? 0,
      volumeGridCount: data.volumeGrids?.length ?? 0,
    })).sort((a: any, b: any) => `${a.type}:${a.name}`.localeCompare(`${b.type}:${b.name}`));
    const client = new WebEngineClient({ timeoutMs: 60_000 });
    const reopenedClient = new WebEngineClient({ timeoutMs: 60_000 });
    try {
      const opened = await client.openBlend(Uint8Array.from(bytes).buffer);
      const data = summarize(opened.snapshot);
      if (data.length === 0) throw new Error("Blender Main returned no non-mesh data");
      const saved = await client.saveBlend();
      client.terminate();
      const reopened = await reopenedClient.openBlend(saved.slice(0));
      return {
        browser: "chromium",
        fixtureSha256: await crypto.subtle.digest("SHA-256", Uint8Array.from(bytes)).then((hash) => Array.from(new Uint8Array(hash), (value) => value.toString(16).padStart(2, "0")).join("")),
        data,
        reopenedData: summarize(reopened.snapshot),
        openedRevision: opened.snapshot.revision,
        reopenedRevision: reopened.snapshot.revision,
      };
    }
    finally {
      client.terminate();
      reopenedClient.terminate();
    }
  }, Array.from(fixture));

  fs.mkdirSync(path.join(root, "tests/golden/WBV2-P1101-000"), { recursive: true });
  fs.writeFileSync(path.join(root, "tests/golden/WBV2-P1101-000/nonmesh-main-reader-production.json"), `${JSON.stringify({
    schemaVersion: 1,
    task: "WBV2-P1101-000",
    operation: "NONMESH_MAIN_READER_CHROMIUM",
    browser: "chromium",
    queueMutation: false,
    sourceRnaStructs: {
      "rna-struct:CurvePoint": "nonMeshData[type=CURVES].pointCount + attributes[name=position]",
      "rna-struct:SplinePoint": "nonMeshData[type=CURVE].pointWeights",
      "rna-struct:SplinePoints": "nonMeshData[type=CURVE].pointCount",
      "rna-struct:AttributeGroupCurves": "nonMeshData[type=CURVES].attributes",
      "rna-struct:AttributeGroupPointCloud": "nonMeshData[type=POINT_CLOUD].attributes",
    },
    ...result,
  }, null, 2)}\n`);
  expect(result.browser).toBe("chromium");
  expect(result.fixtureSha256).toBe(fixtureSha256);
  expect(result.openedRevision).toBe(1);
  expect(result.reopenedRevision).toBe(1);
  expect(result.data).toEqual(result.reopenedData);
  expect(result.data.some((data: any) => ["CURVE", "SURFACE"].includes(data.type) && data.pointCount > 0)).toBe(true);
  expect(result.data.some((data: any) => data.type === "FONT" && data.textLength > 0)).toBe(true);
  expect(result.data.some((data: any) => data.type === "POINT_CLOUD" && data.attributes.length > 0)).toBe(true);
  expect(result.data.some((data: any) => data.type === "CURVES" && data.pointCount > 0 && data.attributes.some((attribute: any) => attribute.name === "position"))).toBe(true);
  expect(result.data.some((data: any) => data.type === "VOLUME")).toBe(true);
});