import { readFileSync } from "node:fs";
import { expect, test } from "@playwright/test";
test.use({ trace: "off" });
// @muse-case {"case_id":"O08-browser-branch-buffer-lifecycle","then":"真实浏览器中同章两分支草稿刷新不串用，未知保存刷新重放原请求；终态任务没有持续事件请求"}
test("O08-browser-branch-buffer-lifecycle：分支缓冲与终态读取旅程", async ({
  page,
}, info) => {
  test.setTimeout(120_000);
  const work = process.env.MUSE_WORK_ID,
    chapter = process.env.MUSE_CHAPTER_ID,
    taskId = process.env.MUSE_TERMINAL_TASK_ID;
  const branchA = process.env.MUSE_BRANCH_A,
    branchB = process.env.MUSE_BRANCH_B;
  if (
    !work ||
    !chapter ||
    !taskId ||
    !branchA ||
    !branchB ||
    branchA === branchB
  )
    throw new Error(
      "需要预置合成作品、同章两个独立分支与已completed/cancelled任务身份。",
    );
  await page.goto("/");
  await page
    .getByLabel("访问口令")
    .fill(readFileSync(process.env.MUSE_AUTHOR_PASSWORD_FILE!, "utf8").trim());
  await page.getByRole("button", { name: "进入工作台" }).click();
  const route = (branch: string) =>
    `/works/${encodeURIComponent(work)}/candidates/${encodeURIComponent(chapter)}?branch=${encodeURIComponent(branch)}`;
  await page.goto(route(branchA));
  await page.getByRole("button", { name: "另拟改稿" }).click();
  const aText = `A分支合成稿-${Date.now()}`;
  await page.getByRole("textbox", { name: "候选改稿" }).fill(aText);
  await page.goto(route(branchB));
  await page.getByRole("button", { name: "另拟改稿" }).click();
  await expect(
    page.getByRole("textbox", { name: "候选改稿" }),
  ).not.toContainText(aText);
  const bText = `B分支合成稿-${Date.now()}`;
  await page.getByRole("textbox", { name: "候选改稿" }).fill(bText);
  await page.reload();
  await page.getByRole("button", { name: "另拟改稿" }).click();
  await expect(page.getByRole("textbox", { name: "候选改稿" })).toContainText(
    bText,
  );
  await page.goto(route(branchA));
  await page.getByRole("button", { name: "另拟改稿" }).click();
  await expect(page.getByRole("textbox", { name: "候选改稿" })).toContainText(
    aText,
  );
  const requests: unknown[] = [];
  let lose = true;
  await page.route(
    `**/api/v1/chapters/${encodeURIComponent(chapter)}/writing-candidates`,
    async (intercepted) => {
      if (intercepted.request().method() !== "POST") {
        await intercepted.continue();
        return;
      }
      requests.push(intercepted.request().postDataJSON());
      const response = await intercepted.fetch();
      if (lose) {
        lose = false;
        await intercepted.abort("failed");
      } else await intercepted.fulfill({ response });
    },
  );
  await page.getByRole("button", { name: "保存候选版本", exact: true }).click();
  await expect(
    page.getByRole("button", { name: "重试候选保存" }),
  ).toBeVisible();
  await page.reload();
  await page.getByRole("button", { name: "另拟改稿" }).click();
  await page.getByRole("button", { name: "重试候选保存" }).click();
  await expect(page.getByText(/候选新版本已保存/)).toBeVisible();
  expect(requests).toHaveLength(2);
  expect(requests[1]).toEqual(requests[0]);
  const streamRequests: string[] = [],
    taskReads: string[] = [];
  page.on("request", (request) => {
    if (request.url().includes("/events/stream"))
      streamRequests.push(request.url());
    if (new URL(request.url()).pathname === `/api/v1/tasks/${taskId}`)
      taskReads.push(request.url());
  });
  await page.goto(`/tasks?task=${encodeURIComponent(taskId)}`);
  await expect(page.getByText("执行已收尾")).toBeVisible();
  await page.waitForTimeout(60_000);
  expect(streamRequests).toHaveLength(0);
  expect(taskReads).toHaveLength(1);
  await page.screenshot({
    path: info.outputPath("终态执行与独立账目.png"),
    fullPage: true,
  });
});