import { expect, test } from "@playwright/test";
import path from "node:path";
import { fileURLToPath } from "node:url";

const HERE = path.dirname(fileURLToPath(import.meta.url));
const STUDIO = path.resolve(HERE, "../../app/public/tutorial/pbr/studio.blend");

test.use({ viewport: { width: 1600, height: 900 } });

async function openStudio(page: import("@playwright/test").Page): Promise<void> {
  await page.goto("/?ui=web");
  await page.locator("main.blender-app").waitFor({ timeout: 120_000 });
  await page.locator('[data-testid="blend-file-input"]').setInputFiles(STUDIO);
  await expect.poll(async () => page.getByTestId("scene-stats").innerText(), { timeout: 120_000 }).toMatch(/Objects 6/);
  await page.waitForTimeout(800);
}

async function openAreaMenu(page: import("@playwright/test").Page, area: import("@playwright/test").Locator): Promise<void> {
  await area.locator(".area-type-switch .area-menu button").evaluate((element) => (element as HTMLElement).click());
  await page.getByRole("menu").last().waitFor({ timeout: 10_000 });
}

test("Area menu splits, joins, swaps, maximizes and resets the web layout", async ({ page }) => {
  test.setTimeout(300_000);
  await openStudio(page);
  const app = page.locator("main.blender-app");
  const grid = page.locator(".workspace-grid");
  const properties = page.locator(".properties-area");
  await expect.poll(async () => grid.locator(":scope > .area-frame").count()).toBe(4);

  await openAreaMenu(page, properties);
  await page.getByRole("menuitem", { name: "垂直分割（左右）", exact: true }).click();
  await expect(app).toHaveAttribute("data-area-layout", "custom");
  await expect.poll(async () => grid.locator(":scope > .area-frame").count()).toBe(5);
  const split = page.locator('.area-frame[data-web-area-id="area-1"]');
  await expect(split).toBeVisible();

  await openAreaMenu(page, split);
  await page.getByRole("menuitem", { name: "最大化区域", exact: true }).click();
  await expect.poll(async () => grid.locator(":scope > .area-frame").count()).toBe(1);
  await openAreaMenu(page, split);
  await page.getByRole("menuitem", { name: "还原大小", exact: true }).click();
  await expect.poll(async () => grid.locator(":scope > .area-frame").count()).toBe(5);

  await openAreaMenu(page, split);
  await page.getByRole("menuitem", { name: "交换编辑器", exact: true }).click();
  const swapItem = page.getByRole("menuitem").filter({ hasText: "viewport-area" }).first();
  await expect(swapItem).toBeVisible({ timeout: 10_000 });
  await swapItem.click();
  await expect.poll(async () => page.locator('.area-frame[data-web-area-id="area-1"]').getAttribute("data-editor")).not.toBe("Properties");

  await openAreaMenu(page, split);
  await page.getByRole("menuitem", { name: "复制区域", exact: true }).click();
  await expect.poll(async () => grid.locator(":scope > .area-frame").count()).toBe(6);
  const duplicated = page.locator('.area-frame[data-web-area-id="area-2"]');
  await expect(duplicated).toBeVisible();
  await openAreaMenu(page, duplicated);
  await page.getByRole("menuitem", { name: "合并 / 停靠", exact: true }).click();
  let joined = false;
  for (const label of ["合并到左侧", "合并到右侧", "合并到上方", "合并到下方"]) {
    const item = page.getByRole("menuitem", { name: label, exact: true });
    if (await item.count() && await item.isEnabled()) { await item.click(); joined = true; break; }
  }
  expect(joined).toBe(true);
  await expect.poll(async () => grid.locator(":scope > .area-frame").count()).toBe(5);

  await openAreaMenu(page, page.locator(".workspace-grid > .area-frame").first());
  await page.getByRole("menuitem", { name: "重置工作区布局", exact: true }).click();
  await expect(app).toHaveAttribute("data-area-layout", "default");
  await expect.poll(async () => grid.locator(":scope > .area-frame").count()).toBe(4);
});

test("Custom area layout survives an OPFS reload", async ({ page }) => {
  test.setTimeout(300_000);
  await openStudio(page);
  const properties = page.locator(".properties-area");
  await openAreaMenu(page, properties);
  await page.getByRole("menuitem", { name: "水平分割（上下）", exact: true }).click();
  await expect.poll(async () => page.locator(".workspace-grid > .area-frame").count()).toBe(5);
  await page.waitForTimeout(900);
  await page.reload();
  await page.locator("main.blender-app").waitFor({ timeout: 120_000 });
  await expect.poll(async () => page.locator("main.blender-app").getAttribute("data-area-layout"), { timeout: 30_000 }).toBe("custom");
  await expect.poll(async () => page.locator(".workspace-grid > .area-frame").count(), { timeout: 30_000 }).toBe(5);
  await expect(page.locator('.area-frame[data-web-area-id="area-1"]')).toBeVisible();
});