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

test("WBV2-P1101-000 preserves deleteNonMeshData Main recovery semantics", async ({ page }) => {
  test.setTimeout(180_000);
  await page.goto("/");
  const result = await page.evaluate(async (input) => {
    const { WebEngineClient } = await import("/src/engine-client/WebEngineClient.ts");
    const client = new WebEngineClient({ timeoutMs: 60_000 });
    const reopenedClient = new WebEngineClient({ timeoutMs: 60_000 });
    const state = (snapshot: any, dataId: string, ownerId: string) => ({ revision: snapshot.revision, hasData: Boolean(snapshot.nonMeshData?.some((entry: any) => entry.id === dataId)), hasOwner: Boolean(snapshot.nodes?.some((entry: any) => entry.id === ownerId)) });
    try {
      const opened = await client.openBlend(Uint8Array.from(input.bytes).buffer);
      const data = opened.snapshot.nonMeshData?.find((entry: any) => entry.type === "CURVE");
      const owner = data && opened.snapshot.nodes?.find((entry: any) => entry.dataId === data.id);
      if (!data || !owner) throw new Error("nonmesh fixture has no owned Curve");
      const before = state(opened.snapshot, data.id, owner.id);
      const deleted = await client.applyCommand({ type: "deleteNonMeshData", dataId: data.id } as any);
      const afterDelete = state(deleted.snapshot, data.id, owner.id);
      const undo = await client.applyCommand({ type: "undo" } as any);
      const redo = await client.applyCommand({ type: "redo" } as any);
      const malformed = await client.applyCommand({ type: "deleteNonMeshData", dataId: "curve:missing" } as any).then(() => ({ code: "NO_ERROR" })).catch((error: any) => ({ code: error?.code, message: error?.message }));
      const afterMalformed = await client.snapshot();
      const saved = await client.saveBlend();
      const reopened = await reopenedClient.openBlend(saved.slice(0));
      return { fixtureSha256: input.fixtureSha256, dataId: data.id, ownerId: owner.id, before, afterDelete, undo: state(undo.snapshot, data.id, owner.id), redo: state(redo.snapshot, data.id, owner.id), malformed, malformedRevisionPreserved: afterMalformed.snapshot.revision === redo.snapshot.revision, reopened: state(reopened.snapshot, data.id, owner.id), savedSha256: await crypto.subtle.digest("SHA-256", saved).then((hash) => Array.from(new Uint8Array(hash), (byte) => byte.toString(16).padStart(2, "0")).join("")) };
    }
    catch (error: any) { return { error: { code: error?.code, message: error?.message, detail: String(error) } } as any; }
    finally { client.terminate(); reopenedClient.terminate(); }
  }, { bytes: Array.from(fixture), fixtureSha256 });
  fs.mkdirSync(path.join(root, "tests/golden/WBV2-P1101-000"), { recursive: true });
  fs.writeFileSync(path.join(root, "tests/golden/WBV2-P1101-000/nonmesh-delete-production.json"), `${JSON.stringify({ schemaVersion: 1, task: "WBV2-P1101-000", operation: "NONMESH_DELETE_MAIN_CHROMIUM", browser: "chromium", queueMutation: false, ...result }, null, 2)}\n`);
  expect(result.error).toBeUndefined();
  expect(result.fixtureSha256).toBe(fixtureSha256);
  expect(result.before.hasData).toBe(true);
  expect(result.before.hasOwner).toBe(true);
  expect(result.afterDelete).toMatchObject({ hasData: false, hasOwner: false });
  const stateOnly = ({ revision: _revision, ...state }: any) => state;
  expect(stateOnly(result.undo)).toEqual(stateOnly(result.before));
  expect(stateOnly(result.redo)).toEqual(stateOnly(result.afterDelete));
  expect(result.malformed.code).not.toBe("NO_ERROR");
  expect(result.malformedRevisionPreserved).toBe(true);
  expect(stateOnly(result.reopened)).toEqual(stateOnly(result.afterDelete));
  expect(result.reopened.revision).toBe(1);
  expect(result.savedSha256).not.toBe(fixtureSha256);
});