/* HEL-655 E 批 browser validation against the isolated stack:
 * vite dev (5173) → backend (8247) → fake ComfyUI (18188).
 * Covers the import drawer four-step checklist, the test-run drawer,
 * keyboard/Esc/focus, reduced motion, 1440/1024/390 widths, and the
 * preserved boundaries (unreachable connection, missing nodes, dry-run
 * refusal, artifact isolation, no-output failure).
 * Prints PASS/FAIL per check; screenshots land in e2e/shots/hel655-*.png. */
import { chromium } from "playwright";
import fs from "node:fs";
import path from "node:path";
import { fileURLToPath } from "node:url";

const ROOT = path.dirname(fileURLToPath(import.meta.url));
const SHOTS = path.join(ROOT, "shots");
fs.mkdirSync(SHOTS, { recursive: true });

const API = "http://127.0.0.1:8247";
const MODE_FILE = path.join(ROOT, "fake_mode.json");
const setMode = (m) => fs.writeFileSync(MODE_FILE, JSON.stringify(m));
const baseMode = () => ({ mode: "ok", delay_sec: 0 });

let failures = 0;
function ok(name, cond, extra = "") {
  const line = `${cond ? "PASS" : "FAIL"}  ${name}${extra ? "  — " + extra : ""}`;
  console.log(line);
  if (!cond) failures++;
}

const api = async (p, init) => {
  const r = await fetch(API + p, {
    headers: { "Content-Type": "application/json" },
    ...init,
  });
  const body = await r.text();
  try {
    return JSON.parse(body);
  } catch {
    return { raw: body, status: r.status };
  }
};

/* ---------------- workflow fixtures ---------------- */
const WF_NAME = `E批·文生图回归 ${Date.now() % 10000}`;
const T2I = {
  1: {
    class_type: "CLIPTextEncode",
    inputs: { text: "默认提示词" },
    _meta: { title: "(Input:prompt) 正向提示词" },
  },
  9: {
    class_type: "SaveImage",
    inputs: { images: "x" },
    _meta: { title: "(Output:image) 图片输出" },
  },
};

/** Self-consistent /object_info catalogue for a workflow (backend parity:
 *  every class present, every string widget a combo listing its value). */
function buildObjectInfo(wf, { dropClasses = [] } = {}) {
  const info = {};
  for (const [id, node] of Object.entries(wf)) {
    const cls = node.class_type;
    if (!cls || dropClasses.includes(cls)) continue;
    if (info[cls]) continue;
    const required = {};
    for (const [k, v] of Object.entries(node.inputs ?? {})) {
      if (typeof v === "string") required[k] = [[v], {}];
      else if (typeof v === "number")
        required[k] = Number.isInteger(v)
          ? ["INT", { min: 0, max: 2 ** 31 }]
          : ["FLOAT", { min: 0, max: 1e6 }];
    }
    info[cls] = { input: { required }, output: ["IMAGE"] };
  }
  return info;
}

/* ---------------- stack prep ---------------- */
const seeded = (async () => {
  // one fake endpoint + one imported t2i workflow bound to it
  for (const e of (await api("/api/comfyui/endpoints")).endpoints ?? []) {
    if (e.base_url === "http://127.0.0.1:18188")
      await api(`/api/comfyui/endpoints/${e.id}`, { method: "DELETE" });
  }
  let r = await api("/api/comfyui/endpoints", {
    method: "POST",
    body: JSON.stringify({
      name: "假 ComfyUI",
      base_url: "http://127.0.0.1:18188",
      auth_type: "none",
    }),
  });
  const ep = r.endpoints.find((e) => e.base_url === "http://127.0.0.1:18188");
  await api(`/api/comfyui/endpoints/${ep.id}/activate`, { method: "POST" });
  // dead endpoint for the unreachable-connection scenario (must be unique by
  // name: drop older 19999 endpoints now that the fake one is active)
  for (const e of (await api("/api/comfyui/endpoints")).endpoints ?? []) {
    if (e.base_url === "http://127.0.0.1:19999")
      await api(`/api/comfyui/endpoints/${e.id}`, { method: "DELETE" });
  }
  await api("/api/comfyui/endpoints", {
    method: "POST",
    body: JSON.stringify({
      name: "断开的连接",
      base_url: "http://127.0.0.1:19999",
      auth_type: "none",
    }),
  });
  return { endpointId: ep.id };
})();

/* The connections page keeps its own add-connection side form open when the
 * viewport shrinks below 1439 — close it so it doesn't cover the library. */
async function closeSideFormIfOpen(page) {
  const close = page.locator(".form-col.open .form-head .icon-btn");
  if ((await page.locator(".form-col.open").count()) === 0) return;
  if ((await close.count()) > 0) {
    await close.first().click();
  } else {
    // below 1439 the add-form's own full-screen backdrop covers the page
    await page.mouse.click(20, 400);
  }
  await page.waitForTimeout(250);
}

const run = async () => {
  const { endpointId } = await seeded;
  const browser = await chromium.launch();
  const ctx = await browser.newContext({
    viewport: { width: 1440, height: 900 },
  });
  const page = await ctx.newPage();
  page.on("pageerror", (e) => console.log("PAGEERROR:", e.message));

  await page.goto("http://127.0.0.1:5173/connections");
  await page.waitForSelector(".wf-panel", { timeout: 15000 });

  // ---------- 1. 导入入口统一：按钮打开右侧抽屉 ----------
  await page
    .getByRole("button", { name: /导入工作流/ })
    .first()
    .click();
  await page.waitForSelector(".drawer-panel");
  const panel = page.locator(".drawer-panel");
  ok(
    "导入抽屉从右侧滑入（挂载即向左滑动）",
    await panel.evaluate((el) => {
      const name = getComputedStyle(el).animationName;
      return name.includes("drawer-slide") || name === "none";
    }),
  );
  await page.waitForTimeout(360); // let the 280ms drawer settle
  const box = await panel.boundingBox();
  ok("抽屉宽度 380px", Math.round(box.width) === 380, `w=${box.width}`);
  ok("抽屉贴右缘", Math.abs(box.x + box.width - 1440) < 2, `x=${box.x}`);
  await page.screenshot({ path: `${SHOTS}/hel655-01-import-input-1440.png` });

  // ---------- 2. Step1：无效 JSON 的中文结论 ----------
  await page
    .locator(".drawer-panel textarea.a-textarea")
    .fill('{"不是":"API 格式"}');
  ok(
    "无效 JSON 显示中文错误",
    await page
      .locator(".drawer-panel .field-error")
      .textContent()
      .then((s) => s.includes("API 格式")),
  );
  ok(
    "无效 JSON 时「分析」禁用",
    await page.locator(".drawer-panel .a-btn.primary").isDisabled(),
  );
  await page
    .locator(".drawer-panel textarea.a-textarea")
    .fill(JSON.stringify(T2I));
  await page.locator(".drawer-panel input.a-input").fill(WF_NAME);
  await page
    .locator(".drawer-panel select.a-select")
    .selectOption({ label: "假 ComfyUI" });

  // ---------- 3. 四步检查 · 全绿 ----------
  setMode({ ...baseMode(), object_info: buildObjectInfo(T2I) });
  await page.locator(".drawer-panel .a-btn.primary").click();
  await page.waitForSelector(".drawer-panel .checks .check");
  const t0 = Date.now();
  await page.waitForFunction(
    () =>
      document.querySelectorAll(".drawer-panel .checks .check").length === 4,
  );
  const spread = Date.now() - t0;
  ok(
    "四步检查逐条出现（首条→第 4 条 ≥140ms）",
    spread >= 140,
    `spread=${spread}ms`,
  );
  const labels = await page
    .locator(".drawer-panel .checks .check-label")
    .allTextContents();
  ok(
    "四步顺序：解析 JSON→识别节点→核对模型→建立输入槽",
    labels[0].includes("解析") &&
      labels[1].includes("识别") &&
      labels[2].includes("核对") &&
      labels[3].includes("输入槽"),
    labels.join("|"),
  );
  const states = await page
    .locator(".drawer-panel .checks .check")
    .evaluateAll((els) =>
      els.map((el) => ({
        ok: el.className.includes("state-ok"),
        color: getComputedStyle(el.querySelector(".mark")).color,
      })),
    );
  ok(
    "① 解析 JSON 亮灰 ✓",
    states[0].ok && states[0].color === "rgb(221, 221, 215)",
    states[0].color,
  );
  ok(
    "② 识别节点判定文生图（绿）",
    states[1].ok,
    await page
      .locator(".drawer-panel .checks .check")
      .nth(1)
      .locator(".check-line")
      .textContent(),
  );
  ok(
    "③ 核对模型全亮灰（假 object_info 装齐）",
    states[2].ok && states[2].color === "rgb(221, 221, 215)",
    states[2].color,
  );
  ok("④ 建立输入槽（1 参数 0 媒体）", states[3].ok);
  await page.screenshot({
    path: `${SHOTS}/hel655-02-checks-allgreen-1440.png`,
  });

  // ---------- 4. 缺节点：③ 红 + 可展开错误 + 重试恢复 ----------
  setMode({
    ...baseMode(),
    object_info: buildObjectInfo(T2I, { dropClasses: ["SaveImage"] }),
  });
  await page
    .locator(".drawer-panel .checks .check")
    .nth(2)
    .locator(".recheck")
    .click();
  await page.waitForFunction(() => {
    const el = document.querySelectorAll(".drawer-panel .checks .check")[2];
    return el && el.className.includes("state-fail");
  });
  const failLine = await page
    .locator(".drawer-panel .checks .check")
    .nth(2)
    .locator(".check-line")
    .textContent();
  ok("③ 缺节点显示中文问题数", /1/.test(failLine), failLine);
  const finding = await page
    .locator(".drawer-panel .findings li .finding-msg")
    .first()
    .textContent();
  ok(
    "错误详情可展开且为中文原因",
    finding.includes("缺少自定义节点"),
    finding.slice(0, 40),
  );
  ok(
    "给出下一步建议",
    (
      await page
        .locator(".drawer-panel .checks .check .suggest")
        .allTextContents()
    ).some((s) => s.includes("重新检查")),
  );
  ok(
    "缺节点不阻断保存（沿用既有边界）",
    !(await page.locator(".drawer-panel .a-btn.primary").last().isDisabled()),
  );
  await page.screenshot({ path: `${SHOTS}/hel655-03-missing-node-1440.png` });
  setMode({ ...baseMode(), object_info: buildObjectInfo(T2I) });
  await page
    .locator(".drawer-panel .checks .check")
    .nth(2)
    .locator(".recheck")
    .click();
  await page.waitForFunction(() => {
    const el = document.querySelectorAll(".drawer-panel .checks .check")[2];
    return el && el.className.includes("state-ok");
  });
  ok("「重新检查」复查后恢复绿", true);

  // ---------- 5. 断开的连接：琥珀「无法核查」，不伪装通过 ----------
  await page.locator(".drawer-panel .a-btn.secondary").first().click(); // 上一步
  await page
    .locator(".drawer-panel select.a-select")
    .selectOption({ label: "断开的连接" });
  await page.locator(".drawer-panel .a-btn.primary").click(); // 重新分析
  await page.waitForFunction(
    () =>
      document.querySelectorAll(".drawer-panel .checks .check").length === 4,
  );
  await page.waitForFunction(() => {
    const el = document.querySelectorAll(".drawer-panel .checks .check")[2];
    return el && el.className.includes("state-warn");
  });
  const warnColor = await page
    .locator(".drawer-panel .checks .check")
    .nth(2)
    .locator(".mark")
    .evaluate((el) => getComputedStyle(el).color);
  ok(
    "无法核查 = 琥珀（非绿非红）",
    warnColor === "rgb(163, 145, 95)",
    warnColor,
  );
  ok(
    "无法核查给中文原因与建议",
    (
      await page
        .locator(".drawer-panel .checks .check")
        .nth(2)
        .locator(".check-line")
        .textContent()
    ).includes("无法核查"),
  );
  await page.screenshot({ path: `${SHOTS}/hel655-04-unreachable-1440.png` });

  // ---------- 6. 保存导入（回到可用连接） ----------
  await page.locator(".drawer-panel .a-btn.secondary").first().click(); // 上一步
  await page
    .locator(".drawer-panel select.a-select")
    .selectOption({ label: "假 ComfyUI" });
  await page.locator(".drawer-panel .a-btn.primary").click(); // 分析
  await page.waitForFunction(
    () =>
      document.querySelectorAll(".drawer-panel .checks .check").length === 4,
  );
  await page.locator(".drawer-panel .a-btn.primary").last().click(); // 确认保存
  await page.waitForSelector(".drawer-panel", {
    state: "detached",
    timeout: 10000,
  });
  ok("确认保存后抽屉关闭", true);
  await page.waitForFunction(
    (n) => document.body.textContent.includes(n),
    WF_NAME,
  );
  ok("工作流入库名称正确", true);

  // ---------- 7. 试运行抽屉：全链路（进行中→完成→隔离） ----------
  const wfId = (await api("/api/workflows")).find(
    (w) => w.name === WF_NAME,
  )?.id;
  ok("已导入工作流可查询", !!wfId);
  const row = page.locator(".wf-row", { hasText: WF_NAME });
  await row.locator(".wf-test-btn").first().click();
  await page.waitForSelector(".drawer-panel");
  const tbox = await page.locator(".drawer-panel").boundingBox();
  ok(
    "试运行抽屉 420px 右侧",
    Math.round(tbox.width) === 420,
    `w=${tbox.width}`,
  );
  await page.screenshot({ path: `${SHOTS}/hel655-05-test-form-1440.png` });

  // dry_run 拒绝（边界保留）
  await api("/api/settings", {
    method: "POST",
    body: JSON.stringify({ dry_run: true }),
  });
  await page.locator(".drawer-panel .a-btn.primary").click();
  await page.locator(".modal-panel .modal-footer .a-btn.primary").click();
  await page.waitForFunction(() => {
    const els = [...document.querySelectorAll(".drawer-panel .field-error")];
    return els.some((e) => e.textContent.includes("Dry-run"));
  });
  ok("dry_run 下试运行被拒绝（中文原因）", true);
  await api("/api/settings", {
    method: "POST",
    body: JSON.stringify({ dry_run: false }),
  });

  // 真实试运行：进行中（青进度 + 阶段日志）→ 通过（绿 + 缩略图横排）
  setMode({ mode: "ok", delay_sec: 3, object_info: buildObjectInfo(T2I) });
  await page.locator(".drawer-panel .a-btn.primary").click();
  await page.locator(".modal-panel .modal-footer .a-btn.primary").click();
  await page.waitForSelector(".drawer-panel .wft-active", { timeout: 8000 });
  await page.waitForSelector(".drawer-panel .wft-active .chip.run", {
    timeout: 8000,
  });
  const chipColor = await page
    .locator(".drawer-panel .wft-active .chip.run")
    .evaluate((el) => getComputedStyle(el).color);
  ok("进行中状态为运行灰", chipColor === "rgb(184, 182, 172)", chipColor);
  ok(
    "进行中显示进度条",
    (await page.locator(".drawer-panel .wft-active .track").count()) === 1,
  );
  await page.waitForSelector(".drawer-panel .wft-log p", { timeout: 6000 });
  const logText = await page.locator(".drawer-panel .wft-log").textContent();
  ok(
    "阶段日志为中文滚动区",
    /队列|排队|连接|运行|保存|执行|ComfyUI/.test(logText),
    logText.slice(0, 30),
  );
  ok(
    "阶段日志为 mono 字体",
    await page
      .locator(".drawer-panel .wft-log")
      .evaluate((el) => getComputedStyle(el).fontFamily.includes("Mono")),
  );
  await page.screenshot({ path: `${SHOTS}/hel655-06-test-running-1440.png` });
  await page.waitForSelector(".drawer-panel .wft-result.ok", {
    timeout: 30000,
  });
  const verdict = await page
    .locator(".drawer-panel .wft-verdict")
    .textContent();
  ok("只有真实输出才算通过（绿判定）", verdict.includes("测试通过"), verdict);
  const thumbs = await page
    .locator(".drawer-panel .wft-outputs .wft-out")
    .count();
  ok("结果缩略图横排（≥1 可下载）", thumbs >= 1, `n=${thumbs}`);
  // 产物隔离：测试任务产物落在 assets/_workflow_test/{id}/
  const jobs = await api("/api/jobs");
  const testJob = jobs.find(
    (j) =>
      j.workflow_id === wfId &&
      j.status === "done" &&
      (j.output_paths ?? []).length,
  );
  ok(
    "试运行产物与普通素材隔离（_workflow_test/）",
    !!testJob && (testJob.output_paths ?? [])[0].includes("_workflow_test"),
    testJob?.output_paths?.[0],
  );
  await page.screenshot({ path: `${SHOTS}/hel655-07-test-passed-1440.png` });

  // ---------- 8. 失败路径：执行报错 红 + 中文 ----------
  setMode({ mode: "fail" });
  await page.waitForSelector(".drawer-panel .wft-form", { timeout: 10000 });
  await page.locator(".drawer-panel .a-btn.primary").click();
  await page.locator(".modal-panel .modal-footer .a-btn.primary").click();
  await page.waitForSelector(".drawer-panel .wft-result.bad", {
    timeout: 30000,
  });
  const badColor = await page
    .locator(".drawer-panel .wft-result.bad .wft-verdict")
    .evaluate((el) => getComputedStyle(el).color);
  ok(
    "失败判定为红 + 中文标题",
    badColor === "rgb(208, 122, 107)",
    await page
      .locator(".drawer-panel .wft-result.bad .wft-verdict")
      .textContent(),
  );
  ok(
    "失败给出具体原因",
    ((await page.locator(".drawer-panel .wft-error").textContent()) ?? "")
      .length > 0,
  );
  await page.screenshot({ path: `${SHOTS}/hel655-08-test-failed-1440.png` });

  // ---------- 9. 无输出：不算通过 ----------
  setMode({ mode: "ok", delay_sec: 0, no_outputs: true });
  await page.waitForSelector(".drawer-panel .wft-form", { timeout: 10000 });
  await page.locator(".drawer-panel .a-btn.primary").click();
  await page.locator(".modal-panel .modal-footer .a-btn.primary").click();
  await page.waitForFunction(
    () => {
      const bad = document.querySelector(".drawer-panel .wft-result.bad");
      if (!bad) return false;
      // the previous fail verdict also matches .bad — wait until the error text changes
      return (
        !bad.textContent.includes("boom") || bad.textContent.includes("输出")
      );
    },
    { timeout: 30000 },
  );
  ok("无输出不判通过（红/失败结论）", true);
  setMode({ ...baseMode() });

  // ---------- 10. 键盘：Esc 关闭、焦点圈、焦点回归 ----------
  await page.keyboard.press("Escape");
  await page.waitForSelector(".drawer-panel", { state: "detached" });
  ok("Esc 关闭试运行抽屉", true);
  await row.locator(".wf-test-btn").first().click();
  await page.waitForSelector(".drawer-panel");
  await page.waitForTimeout(300); // focus moves on the next animation frame
  const focusIn = await page.evaluate(
    () => document.activeElement.closest(".drawer-panel") !== null,
  );
  ok("抽屉打开后焦点进入面板", focusIn);
  for (let i = 0; i < 12; i++) await page.keyboard.press("Tab");
  const stillIn = await page.evaluate(
    () => document.activeElement.closest(".drawer-panel") !== null,
  );
  ok("Tab 在抽屉内循环（焦点不逃逸）", stillIn);
  await page.keyboard.press("Escape");
  await page.waitForSelector(".drawer-panel", { state: "detached" });
  const backOnBtn = await page.evaluate(
    () =>
      document.activeElement?.getAttribute("title") === "测试工作流" ||
      (document.activeElement?.textContent ?? "").trim().startsWith("测试"),
  );
  ok("关闭后焦点回到触发按钮", backOnBtn === true);

  // ---------- 11. 减少动态效果：抽屉只留透明度 ----------
  await page.evaluate(() => (document.documentElement.dataset.reduce = "1"));
  await page
    .getByRole("button", { name: /导入工作流/ })
    .first()
    .click();
  await page.waitForSelector(".drawer-panel");
  const anim = await page
    .locator(".drawer-panel")
    .evaluate((el) => getComputedStyle(el).animationName);
  ok("减动效时抽屉无位移动画（仅淡变）", anim.includes("drawer-fade"), anim);
  await page.keyboard.press("Escape");
  await page.evaluate(() => delete document.documentElement.dataset.reduce);

  // ---------- 12. 中屏 1024 / 窄屏 390 ----------
  await page.setViewportSize({ width: 1024, height: 768 });
  await closeSideFormIfOpen(page);
  await page
    .getByRole("button", { name: /导入工作流/ })
    .first()
    .click();
  await page.waitForSelector(".drawer-panel");
  await page.waitForTimeout(320);
  const mid = await page.locator(".drawer-panel").boundingBox();
  ok(
    "中屏抽屉仍 380px 贴右",
    Math.round(mid.width) === 380 && Math.abs(mid.x + mid.width - 1024) < 2,
  );
  await page.screenshot({ path: `${SHOTS}/hel655-09-import-1024.png` });
  await page.keyboard.press("Escape");

  await page.setViewportSize({ width: 390, height: 844 });
  await closeSideFormIfOpen(page);
  await page
    .getByRole("button", { name: /导入工作流/ })
    .first()
    .click();
  await page.waitForSelector(".drawer-panel");
  await page.waitForTimeout(320);
  const narrow = await page.locator(".drawer-panel").boundingBox();
  ok("窄屏抽屉全屏宽", Math.round(narrow.width) === 390, `w=${narrow.width}`);
  const overflow = await page.evaluate(
    () =>
      document.scrollingElement.scrollWidth -
      document.scrollingElement.clientWidth,
  );
  ok("窄屏无横向溢出", overflow <= 0, `overflow=${overflow}px`);
  await page.screenshot({ path: `${SHOTS}/hel655-10-import-390.png` });
  await page.keyboard.press("Escape");
  await page.waitForSelector(".drawer-panel", { state: "detached" });
  await page.setViewportSize({ width: 1440, height: 900 });

  // ---------- 13. 试运行历史与清除 ----------
  await row.locator(".wf-test-btn").first().click();
  await page.waitForSelector(".drawer-panel");
  await page.waitForSelector(".drawer-panel .wft-rows li", { timeout: 8000 });
  const histCount = await page.locator(".drawer-panel .wft-rows li").count();
  ok("测试记录列表保留", histCount >= 2, `n=${histCount}`);
  await page.locator(".drawer-panel .link-danger").click();
  await page.waitForFunction(
    () => document.querySelectorAll(".drawer-panel .wft-rows li").length === 0,
    { timeout: 8000 },
  );
  ok("清除测试记录生效", true);
  await page.keyboard.press("Escape");

  await browser.close();
  console.log(failures === 0 ? "\nALL PASS" : `\n${failures} FAILURES`);
  process.exit(failures === 0 ? 0 : 1);
};

run().catch(async (e) => {
  console.error("FATAL", e?.message?.slice(0, 300));
  try {
    const fs = await import("node:fs");
    const { chromium } = await import("playwright");
  } catch {}
  console.error("FATAL", e);
  process.exit(1);
});