import { expect, test } from "@playwright/test";
import type { Page } from "@playwright/test";

import { apiBaseUrl } from "./api-base-url";
const authSession = JSON.stringify({ token: "admin-token", role: "ADMIN" });

async function hasMockWorker(page: Page): Promise<boolean> {
  return page.evaluate(async () => {
    const registrations = await navigator.serviceWorker.getRegistrations();

    return registrations.some((registration) =>
      registration.active?.scriptURL.endsWith("/mockServiceWorker.js"),
    );
  });
}

test("keeps server mode requests outside browser MSW", async ({ page }) => {
  // Given
  await page.goto("/");

  // When
  const registeredMockWorker = await hasMockWorker(page);

  // Then
  expect(registeredMockWorker).toBe(false);
});

test("retries a server 404 without falling back to browser MSW", async ({ page }) => {
  // Given
  await page.addInitScript((session) => {
    sessionStorage.setItem("ai-character-admin-auth-session", session);
  }, authSession);
  const protectedRouteUrl = `${apiBaseUrl}/api/v2/admin/ai-characters?page=0&size=20`;
  let retryRequestCount = 0;
  let releaseRetryResponse: () => void = () => undefined;
  const retryResponseGate = new Promise<void>((resolve) => {
    releaseRetryResponse = resolve;
  });
  await page.route(protectedRouteUrl, async (route) => {
    await route.fulfill({
      contentType: "application/json",
      json: { success: false, message: "없습니다.", data: null, errorProperty: null },
      status: 404,
    });
  });
  await page.goto("/ai-characters");
  const retryButton = page.getByRole("button", { name: "보호 route 다시 시도" });
  await expect(retryButton).toBeVisible();
  await expect(page.getByRole("alert")).toContainText("없습니다.");
  await expect(page.getByRole("main", { name: "AI 캐릭터 관리" })).toHaveCount(0);
  await expect(page.getByRole("button", { name: "로그아웃" })).toHaveCount(0);
  await page.unroute(protectedRouteUrl);
  await page.route(protectedRouteUrl, async (route) => {
    retryRequestCount += 1;
    await retryResponseGate;
    await route.fulfill({
      contentType: "application/json",
      json: { success: true, message: null, data: null, errorProperty: null },
      status: 200,
    });
  });

  // When
  await retryButton.click();

  // Then
  await expect.poll(() => retryRequestCount).toBe(1);
  await expect(page.getByRole("status")).toContainText("보호 route 확인 중");
  await expect(page.getByRole("main", { name: "AI 캐릭터 관리" })).toHaveCount(0);
  await expect(page.getByRole("button", { name: "로그아웃" })).toHaveCount(0);
  releaseRetryResponse();
  await expect(page.getByRole("main", { name: "AI 캐릭터 관리" })).toBeVisible();
  await expect(page.getByRole("button", { name: "로그아웃" })).toBeVisible();
  expect(await hasMockWorker(page)).toBe(false);
});

test("keeps a network error from falling back to browser MSW", async ({ page }) => {
  // Given
  await page.addInitScript((session) => {
    sessionStorage.setItem("ai-character-admin-auth-session", session);
  }, authSession);
  await page.route(`${apiBaseUrl}/api/v2/admin/ai-characters?page=0&size=20`, async (route) => {
    await route.abort("failed");
  });

  // When
  await page.goto("/ai-characters");

  // Then
  await expect(page.getByRole("alert")).toContainText("알 수 없는 오류가 발생했습니다.");
  await expect(page.getByRole("main", { name: "AI 캐릭터 관리" })).toHaveCount(0);
  await expect(page.getByRole("button", { name: "로그아웃" })).toHaveCount(0);
  expect(await hasMockWorker(page)).toBe(false);
});

test("keeps retry available after a server network retry fails", async ({ page }) => {
  // Given
  await page.addInitScript((session) => {
    sessionStorage.setItem("ai-character-admin-auth-session", session);
  }, authSession);
  const protectedRouteUrl = `${apiBaseUrl}/api/v2/admin/ai-characters?page=0&size=20`;
  let retryRequestCount = 0;
  let releaseRetryFailure: () => void = () => undefined;
  const retryFailureGate = new Promise<void>((resolve) => {
    releaseRetryFailure = resolve;
  });
  await page.route(protectedRouteUrl, async (route) => {
    await route.abort("failed");
  });
  await page.goto("/ai-characters");
  const retryButton = page.getByRole("button", { name: "보호 route 다시 시도" });
  await expect(retryButton).toBeVisible();
  await expect(page.getByRole("alert")).toContainText("알 수 없는 오류가 발생했습니다.");
  await page.unroute(protectedRouteUrl);
  await page.route(protectedRouteUrl, async (route) => {
    retryRequestCount += 1;
    await retryFailureGate;
    await route.abort("failed");
  });

  // When
  await retryButton.click();

  // Then
  await expect.poll(() => retryRequestCount).toBe(1);
  await expect(page.getByRole("status")).toContainText("보호 route 확인 중");
  await expect(page.getByRole("main", { name: "AI 캐릭터 관리" })).toHaveCount(0);
  await expect(page.getByRole("button", { name: "로그아웃" })).toHaveCount(0);
  releaseRetryFailure();
  await expect(page.getByRole("button", { name: "보호 route 다시 시도" })).toBeVisible();
  await expect(page.getByRole("alert")).toContainText("알 수 없는 오류가 발생했습니다.");
  await expect(page.getByRole("main", { name: "AI 캐릭터 관리" })).toHaveCount(0);
  await expect(page.getByRole("button", { name: "로그아웃" })).toHaveCount(0);
  expect(await hasMockWorker(page)).toBe(false);
});