import { expect, test } from "playwright/test";

test.describe("mobile workbench sheet", () => {
  test.use({ viewport: { width: 390, height: 844 } });

  test("keeps the bottom launcher controls at one height", async ({ page }) => {
    await page.goto("/", { waitUntil: "domcontentloaded" });

    const agentButton = page.getByRole("button", { name: "打开 Agent 面板" });
    const mapToolbar = page.locator('nav[aria-label="地图工具"]:visible');
    const conditionButton = page.getByRole("button", { name: "打开工况任务" });
    const boxes = await Promise.all([
      agentButton.boundingBox(),
      mapToolbar.boundingBox(),
      conditionButton.boundingBox()
    ]);

    boxes.forEach((box) => expect(box).not.toBeNull());
    expect(boxes.map((box) => Math.round(box!.height))).toEqual([44, 44, 44]);
    expect(boxes.map((box) => Math.round(box!.y))).toEqual([
      Math.round(boxes[0]!.y),
      Math.round(boxes[0]!.y),
      Math.round(boxes[0]!.y)
    ]);
  });

  test("supports half and full heights, keyboard control, and Escape close", async ({ page }) => {
    await page.goto("/", { waitUntil: "domcontentloaded" });
    await page.getByRole("button", { name: "打开 Agent 面板" }).click();

    const sheet = page.getByRole("region", { name: "Agent 工作台抽屉" });
    const handle = page.getByRole("button", { name: /Agent 工作台抽屉高度/ });
    const closeButton = page.getByRole("button", { name: "关闭 Agent 面板" });

    await expect(sheet).toBeVisible();
    await expect(closeButton).toHaveCount(1);
    await expect.poll(async () => Math.round((await closeButton.boundingBox())?.height ?? 0)).toBe(
      40
    );
    await expect(sheet).toHaveAttribute("data-snap", "half");
    await expect.poll(async () => Math.round((await sheet.boundingBox())?.height ?? 0)).toBe(439);
    await expect
      .poll(async () =>
        sheet.evaluate((element) => {
          const style = getComputedStyle(element);
          const nestedFilters = Array.from(element.querySelectorAll("*")).filter(
            (descendant) => getComputedStyle(descendant).backdropFilter !== "none"
          );
          return {
            backdropFilter: style.backdropFilter,
            nestedFilterCount: nestedFilters.length,
            opacity: style.opacity,
            transform: style.transform
          };
        })
      )
      .toEqual({
        backdropFilter: "blur(24px) saturate(1.08)",
        nestedFilterCount: 0,
        opacity: "1",
        transform: "none"
      });

    await handle.click();
    await expect(sheet).toHaveAttribute("data-snap", "full");
    await expect.poll(async () => Math.round((await sheet.boundingBox())?.height ?? 0)).toBe(776);
    await expect.poll(async () => Math.round((await sheet.boundingBox())?.y ?? 0)).toBe(68);

    await handle.focus();
    await page.keyboard.press("Home");
    await expect(sheet).toHaveAttribute("data-snap", "half");
    await expect.poll(async () => Math.round((await sheet.boundingBox())?.height ?? 0)).toBe(439);

    await page.keyboard.press("ArrowUp");
    await expect(sheet).toHaveAttribute("data-snap", "full");
    await page.keyboard.press("ArrowDown");
    await expect(sheet).toHaveAttribute("data-snap", "half");
    await page.keyboard.press("End");
    await expect(sheet).toHaveAttribute("data-snap", "full");

    await page.setViewportSize({ width: 390, height: 700 });
    await expect.poll(async () => Math.round((await sheet.boundingBox())?.height ?? 0)).toBe(632);
    await expect.poll(async () => Math.round((await sheet.boundingBox())?.y ?? 0)).toBe(68);

    await page.keyboard.press("Escape");
    await expect(sheet).toBeHidden();
  });

  test("keeps Agent and condition sheets mutually exclusive", async ({ page }) => {
    await page.goto("/", { waitUntil: "domcontentloaded" });

    await page.getByRole("button", { name: "打开 Agent 面板" }).click();
    const agentSheet = page.getByRole("region", { name: "Agent 工作台抽屉" });
    await expect(agentSheet).toBeVisible();
    await expect.poll(async () => Math.round((await agentSheet.boundingBox())?.height ?? 0)).toBe(
      439
    );
    await page.keyboard.press("Escape");

    await page.getByRole("button", { name: "打开工况任务" }).click();
    const conditionSheet = page.getByRole("region", { name: "工况任务抽屉" });
    await expect(conditionSheet).toBeVisible();
    await expect.poll(async () =>
      Math.round((await conditionSheet.boundingBox())?.height ?? 0)
    ).toBe(439);
    await expect(
      page.locator('aside[aria-label="Agent 命令面板"]').filter({ visible: true })
    ).toHaveCount(0);
  });

  test("offers a touch close action for the condition sheet", async ({ page }) => {
    await page.goto("/", { waitUntil: "domcontentloaded" });
    await page.getByRole("button", { name: "打开工况任务" }).click();

    const sheet = page.getByRole("region", { name: "工况任务抽屉" });
    await expect(sheet).toBeVisible();
    await page.getByRole("button", { name: "关闭工况任务" }).click();
    expect(await sheet.count()).toBe(0);
    await expect(page.getByRole("button", { name: "打开工况任务" })).toBeVisible();
  });

  test("keeps condition detail expanded inside the mobile sheet", async ({ page }) => {
    await page.goto("/", { waitUntil: "domcontentloaded" });
    await page.getByRole("button", { name: "打开工况任务" }).click();
    const sheet = page.getByRole("region", { name: "工况任务抽屉" });

    await sheet.getByRole("button", { name: /SCADA 数据诊断/ }).first().click();
    await expect(sheet.getByRole("button", { name: "收起工况任务" })).toBeVisible();
  });

  test("keeps the waiting-for-reply state readable in the narrow sheet", async ({ page }) => {
    await page.goto("/", { waitUntil: "domcontentloaded" });
    await page.getByRole("button", { name: "打开工况任务" }).click();
    const sheet = page.getByRole("region", { name: "工况任务抽屉" });
    const awaitingReplyWorkOrder = sheet
      .locator('button[aria-pressed]')
      .filter({ hasText: "系统工单：泵站边界复核复令" });

    await expect(awaitingReplyWorkOrder.getByText("待复令", { exact: true })).toBeVisible();
    await awaitingReplyWorkOrder.click();
    await expect(sheet.getByText("当前阶段：待复令", { exact: true })).toBeVisible();
  });

  test("clears mobile sheet state when crossing into the desktop layout", async ({ page }) => {
    await page.goto("/", { waitUntil: "domcontentloaded" });
    await page.getByRole("button", { name: "打开 Agent 面板" }).click();
    await expect(page.getByRole("region", { name: "Agent 工作台抽屉" })).toBeVisible();

    await page.setViewportSize({ width: 1200, height: 800 });
    await expect(page.getByRole("region", { name: "Agent 工作台抽屉" })).toHaveCount(0);
    await expect(page.locator('aside[aria-label="Agent 命令面板"]')).toBeVisible();
  });
});