import { test, expect } from "@playwright/test";
import fs from "node:fs";
import path from "node:path";
const root = path.resolve(import.meta.dirname, "../../..");
const fixture = fs.readFileSync(path.join(root, "tests/files/web/basic_scene.blend"));
const receiptDir = path.join(root, "tests/golden/WBV2-P1425-001/verification");

test("mesh.convex_hull runs through the native operator channel", 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 client = new WebEngineClient({ timeoutMs: 30_000 });
    const steps: Record<string, unknown>[] = [];
    try {
      const open = await client.openBlend(Uint8Array.from(bytes).buffer);
      const node = open.snapshot.nodes.find((n) => n.type === "MESH");
      if (!node) throw new Error("mesh fixture is missing");
      let revision = open.snapshot.revision;
      const invoke = async (operator: string, properties: Record<string, unknown>, mode: string) => {
        const payload = JSON.stringify({ operator, properties, baseRevision: revision, sceneName: open.snapshot.scenes?.[0]?.name ?? "Scene", areaType: "VIEW_3D", mode, native: true, selectedObjects: [node.name], activeObject: node.name, meshSelection: null, nonMeshSelection: null });
        const source = `import json, web_blender\nweb_blender.desktop_operator(json.loads(${JSON.stringify(payload)}))`;
        const out = await client.executeEmbeddedPython(source, "ConvexHullOperator.py", false);
        revision = out.snapshot.revision;
        steps.push({ operator, state: out.python.state, error: out.python.error ?? null, revision });
      };
      await invoke("object.mode_set", { mode: "EDIT", toggle: false }, "OBJECT");
      await invoke("mesh.select_all", { action: "SELECT" }, "EDIT");
      await invoke("mesh.convex_hull", {}, "EDIT");
      return { ok: true, steps };
    } catch (error) {
      const e = error as { message?: string; code?: string };
      return { ok: false, steps, message: e?.message, code: e?.code };
    } finally { client.terminate(); }
  }, { bytes: Array.from(fixture) });
  fs.mkdirSync(receiptDir, { recursive: true });
  fs.writeFileSync(path.join(receiptDir, "convex-hull-native-production.json"), JSON.stringify({ schemaVersion: 1, browser: "chromium", scope: "Edit mode -> mesh.select_all -> desktop_operator(mesh.convex_hull) -> Main/SceneIR", ...result }, null, 2));
  expect(result.ok).toBe(true);
  expect(result.steps.at(-1)).toMatchObject({ operator: "mesh.convex_hull", state: "DONE", error: null });
});