import { mkdirSync } from "node:fs";
import path from "node:path";
import { expect, test, type Locator, type Page } from "@playwright/test";

import { getExpectedWecomStatus, loginLiveUser } from "./helpers/liveAuth";
import { fetchWecomConfig } from "./helpers/smokeAssertions";

const screenshotDir = path.resolve(process.cwd(), "../output/playwright/r105");

function screenshotPath(fileName: string) {
  mkdirSync(screenshotDir, { recursive: true });
  return path.join(screenshotDir, fileName);
}

async function expectNoLegacyDesignCopy(page: Page) {
  const bodyText = await page.locator("body").innerText();
  expect(bodyText).not.toContain("先处理");
  expect(bodyText).not.toContain("清爽");
  expect(bodyText).not.toContain("低频模块放在这里");
  expect(bodyText).not.toContain("/invoice-pool");
  expect(bodyText).not.toContain("/purchase-requests");
}

async function expectNoDesktopTableOnMobile(page: Page) {
  await expect(page.locator("table")).toHaveCount(0);
}

function parseRgb(value: string) {
  const match = value.match(/rgba?\((\d+),\s*(\d+),\s*(\d+)(?:,\s*([0-9.]+))?/i);
  if (!match) {
    return null;
  }
  return {
    r: Number(match[1]),
    g: Number(match[2]),
    b: Number(match[3]),
    a: match[4] == null ? 1 : Number(match[4]),
  };
}

async function expectNotBlackSurface(locator: Locator) {
  const backgroundColor = await locator.evaluate((element) => {
    return window.getComputedStyle(element).backgroundColor;
  });
  const rgb = parseRgb(backgroundColor);
  if (!rgb) {
    return;
  }
  if (rgb.a === 0) {
    return;
  }
  const average = (rgb.r + rgb.g + rgb.b) / 3;
  expect(average, `backgroundColor=${backgroundColor}`).toBeGreaterThan(24);
}

test.describe("R105 pretrial visual acceptance", () => {
  test.skip(process.env.E2E_MODE !== "live", "仅在公网 live 模式下执行");

  test("公网登录与企业微信入口仍默认进入移动工作台", async ({ page }) => {
    await page.setViewportSize({ width: 390, height: 844 });
    await page.goto("/login");

    await expect(page.getByRole("button", { name: /企业微信/ })).toBeVisible();
    const wecomConfig = await fetchWecomConfig(page);
    expect(wecomConfig.status).toBe(200);
    expect(wecomConfig.data?.status).toBe(getExpectedWecomStatus());
    expect(wecomConfig.data?.defaultReturnTo).toBe("/mobile");
    expect(wecomConfig.data?.loginUrl).toContain("returnTo=%2Fmobile");

    await expectNoLegacyDesignCopy(page);
    await page.screenshot({ path: screenshotPath("mobile-login-wecom-entry.png"), fullPage: true });
  });

  test("员工移动首页、票据上传和我的页面保持手机体验", async ({ page }) => {
    await page.setViewportSize({ width: 390, height: 844 });
    await loginLiveUser(page, "employee");

    await page.goto("/mobile");
    await expect(page.getByTestId("mobile-nav-home")).toBeVisible();
    await expect(page.getByTestId("mobile-nav-reimbursements")).toBeVisible();
    await expectNoDesktopTableOnMobile(page);
    await expectNoLegacyDesignCopy(page);
    await expectNotBlackSurface(page.getByTestId("mobile-nav-home"));
    await page.screenshot({ path: screenshotPath("employee-mobile-home.png"), fullPage: true });

    await page.goto("/mobile/capture");
    await expect(page.getByRole("heading", { name: "票据上传", exact: true })).toBeVisible();
    const fileInput = page.getByTestId("mobile-capture-pdf-file");
    await expect(fileInput).toHaveAttribute("multiple", "");
    await expect(fileInput).toHaveAttribute("accept", ".pdf,application/pdf");
    await expect(fileInput).not.toHaveAttribute("capture", /.+/);
    await expect(page.getByTestId("mobile-capture-upload")).toBeVisible();
    await expectNoDesktopTableOnMobile(page);
    await expectNoLegacyDesignCopy(page);
    await page.screenshot({ path: screenshotPath("employee-mobile-capture.png"), fullPage: true });

    await page.goto("/mobile/me");
    await expect(page.getByRole("heading", { name: "我的", exact: true })).toBeVisible();
    await expect(page.getByTestId("mobile-more-links")).toBeVisible();
    await expectNoDesktopTableOnMobile(page);
    await expectNoLegacyDesignCopy(page);
    await page.screenshot({ path: screenshotPath("employee-mobile-me.png"), fullPage: true });
  });

  test("管理员移动审批页不退回桌面表格体验", async ({ page }) => {
    await page.setViewportSize({ width: 390, height: 844 });
    await loginLiveUser(page, "admin");

    await page.goto("/mobile/approvals");
    await expect(page.getByRole("heading", { name: /审批/ })).toBeVisible();
    await expect(page.getByText("待处理").first()).toBeVisible();
    await expectNoDesktopTableOnMobile(page);
    await expectNoLegacyDesignCopy(page);
    await expectNotBlackSurface(page.getByTestId("mobile-nav-approvals"));
    await page.screenshot({ path: screenshotPath("admin-mobile-approvals.png"), fullPage: true });
  });

  test("PC Portal、报销和票据保持试运行首页一致性", async ({ page }) => {
    await page.setViewportSize({ width: 1440, height: 960 });
    await loginLiveUser(page, "employee");

    await page.goto("/portal");
    await expect(page.getByRole("heading", { name: "今日待处理" })).toBeVisible();
    await expectNoLegacyDesignCopy(page);
    await page.screenshot({ path: screenshotPath("desktop-portal.png"), fullPage: true });

    await page.goto("/reimbursements");
    await expect(page.getByRole("heading", { name: /报销/ })).toBeVisible();
    await expectNoLegacyDesignCopy(page);
    await page.screenshot({ path: screenshotPath("desktop-reimbursements.png"), fullPage: true });

    await page.goto("/invoice-pool");
    await expect(page.getByRole("heading", { name: "票据", exact: true })).toBeVisible();
    await expectNoLegacyDesignCopy(page);
    await page.screenshot({ path: screenshotPath("desktop-invoice-pool.png"), fullPage: true });
  });
});