import { expect, test } from "@playwright/test";
import AxeBuilder from "@axe-core/playwright";
import { WORDS } from "../../src/content";
import { isAudioRequest } from "./audio-requests";

// 실제 WAV를 디코드하고 Web Audio의 ended를 기다린다. 모의 엔진을 사용한
// 컴포넌트 검증과 달리 배포 산출물·자동 재생 정책·레이아웃을 함께 확인한다.
test("실제 오디오로 혼합 모드 완주·레이아웃·접근성·외부 요청 없음", async ({
  page,
}, info) => {
  const external: string[] = [];
  const errors: string[] = [];
  let audioPath = "";
  const audioUrls: URL[] = [];
  page.on("request", (request) => {
    const url = new URL(request.url());
    if (url.origin !== "http://127.0.0.1:4173") external.push(request.url());
    if (isAudioRequest(url)) {
      audioUrls.push(url);
      if (url.pathname !== "/audio/intro.wav") audioPath = url.pathname;
    }
  });
  page.on("pageerror", (error) => errors.push(error.message));
  await page.goto("/");
  await expect(
    page.getByRole("heading", { name: "단어를 맞춰라" }),
  ).toBeVisible();
  expect(audioPath).toBe("");
  expect(
    await page.evaluate(
      () => document.documentElement.scrollWidth <= innerWidth,
    ),
  ).toBe(true);
  await page.evaluate(() => window.scrollTo(0, 0));
  await page.screenshot({
    path: info.outputPath("home.png"),
    fullPage: true,
  });
  expect((await new AxeBuilder({ page }).analyze()).violations).toEqual([]);
  await page.emulateMedia({ reducedMotion: "reduce" });
  await page.getByRole("button", { name: "게임 시작 · 소리 듣기" }).click();
  await expect.poll(() => audioUrls.length).toBe(2);
  expect(audioUrls.map((url) => url.searchParams.get("v"))).toEqual([
    "0.2.5",
    "0.2.5",
  ]);
  await expect(page.getByRole("button", { name: /듣는 중/ })).toBeDisabled();
  await expect(page.locator(".sound-wave.active i").first()).toHaveCSS(
    "animation-name",
    "none",
  );
  await expect(page.getByRole("group", { name: "답 선택" })).toBeVisible();
  for (let i = 0; i < 3; i++) {
    if (i) await page.getByRole("button", { name: /문장 듣기/ }).click();
    const target =
      i % 2
        ? page.getByRole("textbox", { name: "들은 단어" })
        : page.getByRole("group", { name: "답 선택" });
    await expect(target).toBeVisible();
    // 세 문항 모두 실제 렌더링을 거쳐 어절 보존과 패널 내 표시를 검증한다.
    const heading = page.locator(".question-panel h2");
    await expect(heading).toHaveCSS("word-break", "keep-all");
    expect(
      await heading.evaluate(
        (element) => element.scrollWidth <= element.clientWidth,
      ),
    ).toBe(true);
    const answer = WORDS.find((w) =>
      audioPath.endsWith(`-${w.id}.wav`),
    )!.answer;
    if (i === 0) {
      expect(
        await page.evaluate(
          () => document.documentElement.scrollWidth <= innerWidth,
        ),
      ).toBe(true);
      await page.evaluate(() => window.scrollTo(0, 0));
      await page.screenshot({
        path: info.outputPath("game.png"),
        fullPage: true,
      });
      expect((await new AxeBuilder({ page }).analyze()).violations).toEqual([]);
      await page.getByRole("button", { name: /다시 듣기/ }).click();
      await expect(target).toBeVisible();
    }
    if (i % 2) {
      await target.fill(answer);
      await target.press("Enter");
    } else {
      const button = page.getByRole("button", {
        name: new RegExp(answer),
      });
      await button.focus();
      await button.press("Enter");
    }
    await expect(
      page.getByRole("heading", { name: "정답이에요!" }),
    ).toBeVisible();
    await page
      .getByRole("button", { name: i === 2 ? /결과 보기/ : /다음 문제/ })
      .click();
  }
  await expect(page.getByText("100%")).toBeVisible();
  expect(
    await page.evaluate(
      () => document.documentElement.scrollWidth <= innerWidth,
    ),
  ).toBe(true);
  await page.evaluate(() => window.scrollTo(0, 0));
  await page.screenshot({
    path: info.outputPath("results.png"),
    fullPage: true,
  });
  expect((await new AxeBuilder({ page }).analyze()).violations).toEqual([]);
  await page.getByRole("button", { name: "처음 화면으로" }).click();
  await expect(
    page.getByRole("button", { name: "게임 시작 · 소리 듣기" }),
  ).toBeVisible();
  expect(new Set(audioUrls.map((url) => url.searchParams.get("v")))).toEqual(
    new Set(["0.2.5"]),
  );
  expect(
    audioUrls.filter((url) => url.pathname !== "/audio/intro.wav"),
  ).toHaveLength(4);
  expect(external).toEqual([]);
  expect(errors).toEqual([]);
});

for (const failed of ["intro", "target"]) {
  test(`${failed} WAV query URL의 404를 표시하고 같은 URL로 재시도·정답 mapping한다`, async ({
    page,
  }) => {
    const audioUrls: string[] = [];
    const missing: string[] = [];
    page.on("request", (request) => {
      if (isAudioRequest(new URL(request.url()))) audioUrls.push(request.url());
    });
    const matchesFailure = (url: URL) =>
      isAudioRequest(url) &&
      (failed === "intro"
        ? url.pathname === "/audio/intro.wav"
        : url.pathname !== "/audio/intro.wav");
    await page.route(matchesFailure, (route) => {
      missing.push(route.request().url());
      return route.fulfill({ status: 404, body: "missing" });
    });
    await page.goto("/");
    await page.getByRole("button", { name: "게임 시작 · 소리 듣기" }).click();
    await expect(page.getByRole("alert")).toContainText(
      "소리를 재생하지 못했어요",
    );
    expect(missing).toHaveLength(1);
    expect(new URL(missing[0]!).searchParams.get("v")).toBe("0.2.5");
    expect(audioUrls).toHaveLength(2);
    await page.unroute(matchesFailure);
    await page.getByRole("button", { name: "다시 시도" }).click();
    // 안내 7.056 + 최대 목표 11.256초와 로드·디코드 여유를 포함한다.
    await expect(page.getByRole("group", { name: "답 선택" })).toBeVisible({
      timeout: 30_000,
    });
    expect(audioUrls).toHaveLength(4);
    expect(audioUrls.slice(2).sort()).toEqual(audioUrls.slice(0, 2).sort());
    expect(
      new Set(audioUrls.map((url) => new URL(url).searchParams.get("v"))),
    ).toEqual(new Set(["0.2.5"]));
    const targetPath = audioUrls
      .map((url) => new URL(url).pathname)
      .find((path) => path !== "/audio/intro.wav")!;
    const answer = WORDS.find((word) =>
      targetPath.endsWith(`-${word.id}.wav`),
    )!.answer;
    await page.getByRole("button", { name: new RegExp(answer) }).click();
    await expect(
      page.getByRole("heading", { name: "정답이에요!" }),
    ).toBeVisible();
    await page.getByRole("button", { name: "문제 풀이 종료" }).click();
    await page.getByRole("button", { name: "처음 화면으로" }).click();
    await expect(
      page.getByRole("button", { name: "게임 시작 · 소리 듣기" }),
    ).toBeFocused();
  });
}