/**
 * 知识阅读页的验收：点开一条知识应该离开列表、进整页阅读，正文落在视线中间。
 *
 * 断言的是用户提的那件事，而不是"有个 drawer"：
 * ① 点卡片后 URL 变成 /w/<ws>/knowledge/<id>，列表页的元素不在了
 * ② 正文渲染成样式（h2 存在），不是编辑器
 * ③ 正文列的宽度 ≤ 46rem 且在内容区里居中（左右留白差不多）
 * ④ 点「编辑」才出现编辑器（抽屉），保存/取消都收回去
 */
import { chromium } from "playwright-core";
import { mkdirSync, readFileSync } from "node:fs";

const WEB = process.env.WEB ?? "http://127.0.0.1:5180";
const API = process.env.API ?? "http://127.0.0.1:8100/api/v1";
const PHONE = process.env.PHONE ?? "13900000001";
const OUT = "e2e/artifacts";
const PWD_FILE = new URL("../../.local/e2e-account-password.txt", import.meta.url);

let pass = 0;
let fail = 0;
function check(name, ok, extra = "") {
  if (ok) {
    pass += 1;
    console.log(`PASS ${name}`);
  } else {
    fail += 1;
    console.log(`FAIL ${name}${extra ? ` — ${extra}` : ""}`);
  }
}

const password = (() => {
  try {
    return readFileSync(PWD_FILE, "utf8").trim();
  } catch {
    return "";
  }
})();

const browser = await chromium.launch({
  executablePath:
    process.env.CHROME ??
    `${process.env.LOCALAPPDATA}/ms-playwright/chromium-1223/chrome-win64/chrome.exe`,
});
const page = await browser.newPage({ viewport: { width: 1440, height: 960 } });
const errors = [];
page.on("console", (m) => m.type() === "error" && errors.push(m.text()));
page.on("pageerror", (e) => errors.push(String(e)));
mkdirSync(OUT, { recursive: true });

try {
  const r = await fetch(`${API}/auth/login/password`, {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ phone: PHONE, password }),
  });
  const login = await r.json();
  if (login.code !== 0) throw new Error(`登录失败：${JSON.stringify(login)}`);
  const ws = login.data.user ? null : null;
  void ws;
  const token = login.data.tokens.access_token;
  const refresh = login.data.tokens.refresh_token;

  // 找一个有正文的知识
  const listResp = await fetch(`${API}/workspaces`, {
    headers: { Authorization: `Bearer ${token}` },
  }).then((x) => x.json());
  const workspaces = listResp.data.items ?? listResp.data.workspaces ?? listResp.data;
  const workspace = workspaces.find((w) => w.name?.includes("备忘")) ?? workspaces[0];
  const wsId = workspace.id;

  const docsResp = await fetch(`${API}/workspaces/${wsId}/knowledge?limit=50`, {
    headers: { Authorization: `Bearer ${token}` },
  }).then((x) => x.json());
  const docs = docsResp.data.items.filter((d) => (d.body_md ?? "").length > 200);
  if (docs.length === 0) throw new Error("没有正文够长的知识可用来验收");
  const target = docs[0];

  await page.addInitScript(
    ([access, refreshToken]) => {
      localStorage.setItem("dadao.access", access);
      localStorage.setItem("dadao.refresh", refreshToken);
    },
    [token, refresh],
  );

  await page.goto(`${WEB}/w/${wsId}/knowledge`);
  await page.waitForSelector("li button");

  await page
    .locator("li")
    .filter({ hasText: target.title.slice(0, 8) })
    .first()
    .getByRole("button")
    .first()
    .click();

  const onDoc = await page
    .waitForURL(new RegExp(`/w/${wsId}/knowledge/${target.id}$`), { timeout: 10000 })
    .then(() => true)
    .catch(() => false);
  check("点卡片进的是独立阅读页（不是抽屉）", onDoc, page.url());

  await page.waitForSelector("h1");
  const title = await page.locator("h1").first().innerText();
  check("整页标题就是这条知识的标题", title.trim() === target.title.trim(), title);

  // 正文渲染成样式：markdown 里的标题/列表应该变成真元素
  const hasProse = (await page.locator(".prose-dadao").count()) > 0;
  const hasEditor = (await page.locator(".vditor-ir").count()) > 0;
  check("阅读时是渲染后的正文，不是编辑器", hasProse && !hasEditor, `prose=${hasProse} editor=${hasEditor}`);

  // 正文列在内容区里居中、宽度适合阅读
  const box = await page.locator(".prose-dadao").first().boundingBox();
  const main = await page.locator("main").first().boundingBox();
  if (box && main) {
    const leftGap = box.x - main.x;
    const rightGap = main.x + main.width - (box.x + box.width);
    const width = box.width;
    check(
      "正文列限宽到可读宽度（≤46rem≈736px）",
      width <= 760,
      `width=${Math.round(width)}`,
    );
    check(
      "正文列在内容区里居中",
      Math.abs(leftGap - rightGap) < 40,
      `left=${Math.round(leftGap)} right=${Math.round(rightGap)}`,
    );
  } else {
    check("正文列在内容区里居中", false, "拿不到布局尺寸");
  }

  await page.screenshot({ path: `${OUT}/knowledge-read-page.png` });

  // 编辑才是抽屉
  await page.getByRole("button", { name: "编辑", exact: true }).click();
  await page.waitForSelector(".vditor-ir", { timeout: 10000 });
  check("点「编辑」才出现编辑器（抽屉）", (await page.locator(".vditor-ir").count()) > 0);
  await page.screenshot({ path: `${OUT}/knowledge-edit-drawer.png` });

  await page.getByRole("button", { name: "取消", exact: true }).click();
  const closed = await page
    .waitForSelector(".vditor-ir", { state: "detached", timeout: 10000 })
    .then(() => true)
    .catch(() => false);
  check("取消编辑后回到阅读页", closed);

  check("控制台无报错", errors.length === 0, errors.slice(0, 2).join(" | "));
} catch (err) {
  fail += 1;
  console.log(`FAIL 脚本异常 — ${err}`);
} finally {
  await browser.close();
}

console.log(`\n${fail === 0 ? "ALL PASS" : "FAILED"} — pass ${pass}, fail ${fail}`);
process.exit(fail === 0 ? 0 : 1);