import { expect, test } from "@playwright/test";
import jsQR from "jsqr";
import { bytesToBase32 } from "../../src/crypto/encoding";
import { parseOtpAuth } from "../../src/otp/profile";

test("displays scannable imported TOTP and HOTP tokens on a dark mobile screen", async ({
  page,
}) => {
  await page.setViewportSize({ width: 390, height: 844 });
  await page.emulateMedia({ colorScheme: "dark" });
  const requests: string[] = [];
  page.on("request", (request) => requests.push(request.url()));
  await page.goto("/deep/nested/auth/");
  await page.getByRole("button", { name: "Import & migration" }).click();
  await page
    .getByPlaceholder("Paste migration data. It never leaves this tab.")
    .fill(
      "otpauth://totp/Ex%C3%A4mple:alice%40example.test?secret=JBSWY3DPEHPK3PXP&issuer=Ex%C3%A4mple&algorithm=SHA256&digits=8&period=45\n" +
        "otpauth://hotp/Other:bob?secret=GEZDGNBVGY3TQOJQGEZDGNBVGY3TQOJQ&issuer=Other&counter=18446744073709551615",
    );
  await page.getByRole("button", { name: "Inspect import" }).click();

  for (const account of ["Exämple: alice@example.test", "Other: bob"]) {
    const trigger = page.getByRole("button", {
      name: `Show QR code for ${account}`,
      exact: true,
    });
    await trigger.click();
    const dialog = page.getByRole("dialog", { name: "OTP token QR code" });
    await expect(dialog).toBeVisible();
    const svg = dialog.getByRole("img", { name: "OTP provisioning QR code" });
    await expect(svg).toBeVisible();
    const bounds = await svg.boundingBox();
    expect(bounds!.width).toBeGreaterThan(250);
    expect(bounds!.height).toBeCloseTo(bounds!.width, 0);
    expect(bounds!.x + bounds!.width).toBeLessThanOrEqual(390);
    const pixels = await svg.evaluate(async (element) => {
      const source = new XMLSerializer().serializeToString(element);
      const url = URL.createObjectURL(
        new Blob([source], { type: "image/svg+xml" }),
      );
      try {
        const image = new Image();
        image.src = url;
        await image.decode();
        const canvas = document.createElement("canvas");
        canvas.width = canvas.height = 640;
        const context = canvas.getContext("2d")!;
        context.drawImage(image, 0, 0, 640, 640);
        return Array.from(context.getImageData(0, 0, 640, 640).data);
      } finally {
        URL.revokeObjectURL(url);
      }
    });
    expect(pixels.slice(0, 4)).toEqual([255, 255, 255, 255]);
    const decoded = jsQR(new Uint8ClampedArray(pixels), 640, 640);
    expect(decoded).not.toBeNull();
    const { profile } = parseOtpAuth(decoded!.data);
    if (account.startsWith("Exämple")) {
      expect(profile).toMatchObject({
        kind: "totp",
        issuer: "Exämple",
        account: "alice@example.test",
        algorithm: "SHA-256",
        digits: 8,
        period: 45,
      });
      expect(bytesToBase32(profile.secret)).toBe("JBSWY3DPEHPK3PXP");
    } else {
      expect(profile).toMatchObject({
        kind: "hotp",
        issuer: "Other",
        account: "bob",
        counter: 18446744073709551615n,
      });
      expect(bytesToBase32(profile.secret)).toBe(
        "GEZDGNBVGY3TQOJQGEZDGNBVGY3TQOJQ",
      );
    }
    await page.keyboard.press("Escape");
    await expect(dialog).toHaveCount(0);
    await expect(trigger).toBeFocused();
  }
  expect(
    requests.every((url) => new URL(url).origin === "http://127.0.0.1:4173"),
  ).toBe(true);
});

test("runs from a nested path and keeps authentication material local", async ({
  page,
}) => {
  const requests: string[] = [];
  page.on("request", (request) => requests.push(request.url()));
  await page.goto("/deep/nested/auth/");
  await expect(page.getByText("Sensitive session · memory only")).toBeVisible();
  await expect(
    page.getByRole("heading", { name: "Credential parameters" }),
  ).toBeVisible();
  await page.getByLabel("Issuer").fill("Example");
  await page.getByLabel("Account").fill("alice@example.test");
  await expect(page.getByText("TOTP code")).toBeVisible();
  await page.getByRole("button", { name: "Show QR code", exact: true }).click();
  await expect(page.locator(".qr svg")).toBeVisible();
  await page.keyboard.press("Escape");
  await expect(page.getByRole("dialog")).toHaveCount(0);
  expect(
    requests.every((url) => new URL(url).origin === "http://127.0.0.1:4173"),
  ).toBe(true);
});

test("computes an RFC OCRA vector and decodes client data", async ({
  page,
}) => {
  await page.goto("/deep/nested/auth/");
  await page.getByRole("button", { name: "OCRA challenge" }).click();
  await page
    .getByLabel("Base32 shared secret")
    .fill("GEZDGNBVGY3TQOJQGEZDGNBVGY3TQOJQ");
  await page.getByRole("button", { name: "Compute OCRA response" }).click();
  await expect(page.getByText("237653")).toBeVisible();

  await page.getByRole("button", { name: /WebAuthn \/ Passkeys/ }).click();
  const client = btoa(
    JSON.stringify({
      type: "webauthn.get",
      challenge: "YQ",
      origin: "https://example.test",
    }),
  )
    .replaceAll("+", "-")
    .replaceAll("/", "_")
    .replace(/=+$/u, "");
  await page.getByLabel("Encoded input").fill(client);
  await page.getByRole("button", { name: "Decode locally" }).click();
  await expect(page.locator(".diagnostic-output")).toContainText(
    "webauthn.get",
  );
});

test("localhost development enables live credential creation", async ({
  page,
}) => {
  await page.goto("/deep/nested/auth/");
  await page.getByRole("button", { name: /WebAuthn \/ Passkeys/ }).click();
  await page.getByRole("button", { name: "Live ceremony" }).click();
  await expect(page.getByText("Live enabled")).toBeVisible();
  await expect(
    page.getByRole("button", { name: "Create test credential" }),
  ).toBeEnabled();
});

test("exposes the advanced OTP and WebAuthn laboratories", async ({ page }) => {
  await page.goto("/deep/nested/auth/");
  await page.getByRole("button", { name: "Resync & rotation" }).click();
  await expect(
    page.getByRole("heading", { name: "HOTP resynchronization" }),
  ).toBeVisible();
  await expect(
    page.getByRole("heading", { name: "Collection comparison" }),
  ).toBeVisible();

  await page.getByRole("button", { name: "Import & migration" }).click();
  await expect(
    page.getByRole("button", { name: "Scan with camera" }),
  ).toBeVisible();
  await expect(
    page.getByRole("button", { name: "Decrypt PSKC" }),
  ).toBeDisabled();

  await page.getByRole("button", { name: /WebAuthn \/ Passkeys/ }).click();
  await page.getByRole("button", { name: "Extensions & traces" }).click();
  await expect(
    page.getByRole("heading", { name: "Extension configuration" }),
  ).toBeVisible();
  await expect(
    page.getByRole("heading", { name: "Ceremony traces" }),
  ).toBeVisible();
  await page.getByRole("button", { name: "Attestation verifier" }).click();
  await expect(
    page.getByRole("heading", { name: "Trust root and historical policy" }),
  ).toBeVisible();
});