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

test("home page loads with Buzz branding", async ({ page }) => {
  await page.goto("./");
  await expect(
    page.getByRole("main").getByRole("img", { name: "Buzz" }),
  ).toBeVisible();
});

test("home page shows repositories section", async ({ page }) => {
  await page.goto("./");
  await expect(page.getByText("代码仓库")).toBeVisible();
});

test("defaults to Simplified Chinese and persists the selected locale", async ({
  page,
}) => {
  await page.goto("./");
  await expect(page.locator("html")).toHaveAttribute("lang", "zh-Hans");
  await expect(page.getByText("代码仓库")).toBeVisible();

  await page.getByRole("button", { name: "切换为 English" }).click();
  await expect(page.locator("html")).toHaveAttribute("lang", "en");
  await expect(page.getByText("Repositories")).toBeVisible();

  await page.reload();
  await expect(page.locator("html")).toHaveAttribute("lang", "en");
  await expect(page.getByText("Repositories")).toBeVisible();
});

test("uses the /buzz base path for relay URLs and invite APIs", async ({
  page,
}) => {
  let policyUrl = "";
  await page.route("**/buzz/api/join-policy", async (route) => {
    policyUrl = route.request().url();
    await route.fulfill({
      status: 200,
      contentType: "application/json",
      body: JSON.stringify({ policy: null }),
    });
  });

  await page.goto("./invite/base-path-code");
  await expect(
    page.getByRole("link", { name: "在 Buzz 中接受邀请" }),
  ).toHaveAttribute("href", /relay=ws%3A%2F%2F127\.0\.0\.1%3A4173%2Fbuzz/);
  expect(policyUrl).toContain("/buzz/api/join-policy");
});

test("invite requires age and legal consent before opening Buzz", async ({
  page,
}) => {
  await page.route("**/buzz/api/join-policy", async (route) => {
    await route.fulfill({
      status: 200,
      contentType: "application/json",
      body: JSON.stringify({
        policy: {
          terms_markdown: "# Terms",
          privacy_markdown: "# Privacy",
          age_attestation_required: true,
          version: "policy-v1",
        },
      }),
    });
  });
  await page.route("https://api.github.com/**", async (route) => {
    await route.fulfill({
      status: 200,
      contentType: "application/json",
      headers: { "Access-Control-Allow-Origin": "*" },
      body: JSON.stringify([
        { draft: false, prerelease: false, assets: [] },
        {
          draft: false,
          prerelease: false,
          assets: [
            {
              name: "Buzz_0.4.9_aarch64.dmg",
              browser_download_url:
                "https://github.com/block/buzz/releases/download/v0.4.9/Buzz_0.4.9_aarch64.dmg",
            },
            {
              name: "Buzz_0.4.9_x64.dmg",
              browser_download_url:
                "https://github.com/block/buzz/releases/download/v0.4.9/Buzz_0.4.9_x64.dmg",
            },
            {
              name: "Buzz_0.4.9_amd64.AppImage",
              browser_download_url:
                "https://github.com/block/buzz/releases/download/v0.4.9/Buzz_0.4.9_amd64.AppImage",
            },
            {
              name: "Buzz_0.4.9_x64-setup_alpha-unsigned.exe",
              browser_download_url:
                "https://github.com/block/buzz/releases/download/v0.4.9/Buzz_0.4.9_x64-setup_alpha-unsigned.exe",
            },
          ],
        },
      ]),
    });
  });
  await page.goto("./invite/demo-code");

  await expect(page.getByRole("link", { name: "立即下载" })).toHaveAttribute(
    "href",
    "https://github.com/block/buzz/releases/download/v0.4.9/Buzz_0.4.9_x64-setup_alpha-unsigned.exe",
  );

  const ageConfirmation = page.getByLabel("我已年满 18 周岁。");
  const agreementConfirmation = page.getByLabel(
    "我同意 Buzz 的服务条款和隐私政策。",
  );
  const acceptInvite = page.getByRole("button", {
    name: "在 Buzz 中接受邀请",
  });

  await expect(ageConfirmation).toBeVisible();
  await expect(agreementConfirmation).toBeVisible();
  await expect(acceptInvite).toBeDisabled();

  const termsLink = page.getByRole("button", { name: "服务条款" });
  const privacyLink = page.getByRole("button", { name: "隐私政策" });
  await expect(termsLink).toHaveCSS("text-decoration-line", "none");
  await expect(privacyLink).toHaveCSS("text-decoration-line", "none");
  await termsLink.hover();
  await expect(termsLink).toHaveCSS("text-decoration-line", "underline");
  await page.mouse.move(0, 0);
  await privacyLink.hover();
  await expect(privacyLink).toHaveCSS("text-decoration-line", "underline");

  await page.locator("label").filter({ hasText: "我已年满 18 周岁。" }).click();
  await expect(ageConfirmation).toBeChecked();
  await expect(acceptInvite).toBeDisabled();
  await page
    .locator("label")
    .filter({
      hasText: "我同意 Buzz 的服务条款和隐私政策。",
    })
    .click({ position: { x: 8, y: 8 } });
  await expect(agreementConfirmation).toBeChecked();
  await expect(acceptInvite).toBeEnabled();

  const consentBox = await page
    .getByTestId("invite-join-policy-notice")
    .boundingBox();
  const acceptButtonBox = await acceptInvite.boundingBox();
  expect(consentBox?.y).toBeLessThan(acceptButtonBox?.y ?? 0);
  expect(consentBox?.width).toBe(acceptButtonBox?.width);
});

test("invite can enroll a NIP-07 identity for browser access", async ({
  page,
}) => {
  const pubkey = "ab".repeat(32);
  await page.addInitScript((extensionPubkey) => {
    (
      window as Window & {
        nostr?: {
          getPublicKey(): Promise<string>;
          signEvent(
            event: Record<string, unknown>,
          ): Promise<Record<string, unknown>>;
        };
      }
    ).nostr = {
      async getPublicKey() {
        return extensionPubkey;
      },
      async signEvent(event) {
        return {
          ...event,
          id: "cd".repeat(32),
          pubkey: extensionPubkey,
          sig: "ef".repeat(64),
        };
      },
    };
  }, pubkey);
  await page.route("**/buzz/api/join-policy", async (route) => {
    await route.fulfill({
      status: 200,
      contentType: "application/json",
      body: JSON.stringify({ policy: null }),
    });
  });

  let claimObserved = false;
  await page.route("**/buzz/api/invites/claim", async (route) => {
    claimObserved = true;
    const request = route.request();
    const body = request.postData() ?? "";
    expect(JSON.parse(body)).toEqual({
      code: "browser-code",
    });

    const authorization = request.headers().authorization;
    expect(authorization).toMatch(/^Nostr /);
    const event = JSON.parse(
      Buffer.from(authorization.slice("Nostr ".length), "base64").toString(
        "utf8",
      ),
    ) as {
      pubkey: string;
      tags: string[][];
    };
    expect(event.pubkey).toBe(pubkey);
    expect(event.tags).toContainEqual(["u", request.url()]);
    expect(event.tags).toContainEqual(["method", "POST"]);
    expect(event.tags).toContainEqual([
      "payload",
      createHash("sha256").update(body).digest("hex"),
    ]);

    await route.fulfill({
      status: 200,
      contentType: "application/json",
      body: JSON.stringify({
        status: "joined",
        community_id: "community-id",
        host: "127.0.0.1",
        role: "member",
      }),
    });
  });

  await page.goto("./invite/browser-code");
  await page.getByRole("button", { name: "在浏览器中加入" }).click();
  await expect(page).toHaveURL(/\/buzz\/$/);
  expect(claimObserved).toBe(true);
});

test("invite asks Safari users to choose their Mac download", async ({
  browser,
}) => {
  const context = await browser.newContext({
    userAgent:
      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Version/26.5 Safari/605.1.15",
  });
  await context.addInitScript(() => {
    Object.defineProperties(navigator, {
      platform: { configurable: true, value: "MacIntel" },
      maxTouchPoints: { configurable: true, value: 0 },
      userAgentData: { configurable: true, value: undefined },
    });
  });
  const page = await context.newPage();
  await page.route("**/buzz/api/join-policy", async (route) => {
    await route.fulfill({
      status: 200,
      contentType: "application/json",
      body: JSON.stringify({ policy: null }),
    });
  });
  await page.route("https://api.github.com/**", async (route) => {
    await route.fulfill({ status: 500 });
  });

  await page.goto("./invite/demo-code");
  const download = page.getByRole("link", { name: "立即下载" });
  await expect(download).toHaveAttribute("aria-haspopup", "dialog");
  await download.click();

  const chooser = page.getByRole("dialog", {
    name: "你的 Mac 是哪一款？",
  });
  await expect(chooser).toBeVisible();
  await expect(chooser.getByRole("link", { name: /较新的 Mac/ })).toContainText(
    "2021 年或之后发布",
  );
  await expect(chooser.getByRole("link", { name: /较早的 Mac/ })).toContainText(
    "2019 年或之前发布",
  );
  await expect(chooser.getByText("关于本机")).toBeVisible();

  const openedPagePromise = context.waitForEvent("page");
  await chooser.getByRole("link", { name: /较新的 Mac/ }).click();
  const openedPage = await openedPagePromise;
  await expect(chooser).toBeHidden();
  await expect(openedPage).toHaveURL("https://github.com/block/buzz/releases");
  await expect(page).toHaveURL(/\/buzz\/invite\/demo-code$/);
  await openedPage.close();

  await download.click();
  await expect(chooser).toBeVisible();
  await page.keyboard.press("Escape");
  await expect(chooser).toBeHidden();
  await expect(download).toBeFocused();
  await context.close();
});

test("invite download falls back for mobile and non-desktop devices", async ({
  browser,
}) => {
  const unsupportedDevices = [
    {
      name: "iPhone Safari",
      platform: "iPhone",
      userAgent:
        "Mozilla/5.0 (iPhone; CPU iPhone OS 18_5 like Mac OS X) AppleWebKit/605.1.15",
      maxTouchPoints: 5,
    },
    {
      name: "iPadOS desktop mode",
      platform: "MacIntel",
      userAgent:
        "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15) AppleWebKit/605.1.15",
      maxTouchPoints: 5,
    },
    {
      name: "Android phone",
      platform: "Linux armv8l",
      userAgent:
        "Mozilla/5.0 (Linux; Android 15; Pixel 9 Pro) AppleWebKit/537.36 Mobile",
      maxTouchPoints: 5,
    },
    {
      name: "ChromeOS",
      platform: "Linux x86_64",
      userAgent: "Mozilla/5.0 (X11; CrOS x86_64 16093.68.0) AppleWebKit/537.36",
      maxTouchPoints: 0,
    },
  ];

  for (const device of unsupportedDevices) {
    const context = await browser.newContext({ userAgent: device.userAgent });
    await context.addInitScript(({ platform, maxTouchPoints }) => {
      Object.defineProperties(navigator, {
        platform: { configurable: true, value: platform },
        maxTouchPoints: { configurable: true, value: maxTouchPoints },
        userAgentData: {
          configurable: true,
          value: { platform, mobile: maxTouchPoints > 0 },
        },
      });
    }, device);
    const page = await context.newPage();
    await page.route("**/buzz/api/join-policy", async (route) => {
      await route.fulfill({
        status: 200,
        contentType: "application/json",
        body: JSON.stringify({ policy: null }),
      });
    });
    await page.route("https://api.github.com/**", async (route) => {
      await route.fulfill({
        status: 200,
        contentType: "application/json",
        headers: { "Access-Control-Allow-Origin": "*" },
        body: JSON.stringify([
          {
            draft: false,
            prerelease: false,
            assets: [
              {
                name: "Buzz_0.4.9_x64.dmg",
                browser_download_url:
                  "https://github.com/block/buzz/releases/download/v0.4.9/Buzz_0.4.9_x64.dmg",
              },
              {
                name: "Buzz_0.4.9_amd64.AppImage",
                browser_download_url:
                  "https://github.com/block/buzz/releases/download/v0.4.9/Buzz_0.4.9_amd64.AppImage",
              },
            ],
          },
        ]),
      });
    });

    await page.goto("./invite/demo-code");
    await expect(
      page.getByRole("link", { name: "立即下载" }),
      device.name,
    ).toHaveAttribute("href", "https://github.com/block/buzz/releases");
    await context.close();
  }
});