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

const fixture = path.resolve(import.meta.dirname, "../../../tests/files/web/nonmesh_scene.blend");
const golden = JSON.parse(fs.readFileSync(path.resolve(import.meta.dirname, "../../../tests/golden/M9-05/curve-toggle-cyclic.json"), "utf8"));

test("M9-05 exposes TOGGLE_CYCLIC only after Main, undo, save and Blender golden verification", async ({ page }) => {
  test.setTimeout(120_000);
  const fixtureBytes = fs.readFileSync(fixture);
  expect(crypto.createHash("sha256").update(fixtureBytes).digest("hex")).toBe(golden.fixtureSha256);

  await page.goto("/");
  await expect(page.getByTestId("engine-status")).toContainText("ready, open a .blend file", { timeout: 20_000 });
  await page.getByTestId("blend-file-input").setInputFiles(fixture);
  const curveRow = page.locator('[data-data-id="curve:WebCurveData"]');
  await expect(curveRow).toBeVisible();
  await curveRow.click();

  const app = page.locator(".blender-app");
  const editor = page.getByTestId("curve-topology-editor");
  const cyclic = page.getByRole("checkbox", { name: "Curve cyclic U" });
  await expect(editor).toHaveAttribute("data-ready-operators", "TOGGLE_CYCLIC");
  await expect(editor).toHaveAttribute("data-spline-types", golden.splineTypes.join(","));
  await expect(editor).toHaveAttribute("data-point-count", String(golden.splinePointCounts.reduce((sum: number, count: number) => sum + count, 0)));
  await expect(editor).toHaveAttribute("data-cyclic-u", golden.beforeCyclicU.join(","));
  await expect(cyclic).not.toBeChecked();
  const selectedRevision = Number(await app.getAttribute("data-current-main-revision"));

  await cyclic.click();
  await expect(editor).toHaveAttribute("data-cyclic-u", golden.afterCyclicU.join(","));
  await expect(cyclic).toBeChecked();
  await expect(app).toHaveAttribute("data-dirty", "true");
  const toggledRevision = Number(await app.getAttribute("data-current-main-revision"));
  expect(toggledRevision).toBe(selectedRevision + 1);

  await page.getByRole("button", { name: "撤销" }).click();
  await expect(editor).toHaveAttribute("data-cyclic-u", golden.beforeCyclicU.join(","));
  const undoRevision = Number(await app.getAttribute("data-current-main-revision"));
  expect(undoRevision).toBe(toggledRevision + 1);

  await page.getByRole("button", { name: "重做" }).click();
  await expect(editor).toHaveAttribute("data-cyclic-u", golden.afterCyclicU.join(","));
  const redoRevision = Number(await app.getAttribute("data-current-main-revision"));
  expect(redoRevision).toBe(undoRevision + 1);

  const download = page.waitForEvent("download");
  await page.getByRole("button", { name: "保存项目" }).click();
  await download;
  await expect(app).toHaveAttribute("data-dirty", "false");
  await page.getByRole("button", { name: "关闭项目" }).click();
  await expect(editor).toHaveCount(0);
  await page.getByRole("button", { name: "恢复项目" }).click();
  await expect(curveRow).toBeVisible();
  await curveRow.click();
  await expect(editor).toHaveAttribute("data-cyclic-u", golden.reopenedCyclicU.join(","));
  await expect(cyclic).toBeChecked();
});