const { chromium } = require("playwright-core");

const BASE = process.env.QA_BASE_URL || "http://127.0.0.1:5175/";
const SHOTS = process.env.QA_SHOTS || "/tmp/opencode/fund-lab-qa-screens";
const EXE = "/home/somhairle/.cache/ms-playwright/chromium-1243/chrome-linux64/chrome";

const results = [];
const consoleErrors = [];
const fundPosts = [];
const orderPosts = [];
const orderPostStatuses = [];
let fundPostResponses = 0;
let fundGets = 0;
let orderGets = 0;
let createdFund = null;
let createdFundResponse = null;
let lastOrdersResponse = null;

function check(name, ok, detail) {
  results.push({ name, ok, detail: detail || "" });
  console.log(`${ok ? "PASS" : "FAIL"}  ${name}${detail ? "  -- " + detail : ""}`);
}

async function expectText(page, selector, expected, name, timeout = 10000) {
  try {
    await page.waitForSelector(selector, { timeout });
    await page.waitForFunction(
      ({ sel, want }) => {
        const el = document.querySelector(sel);
        return el !== null && (el.textContent || "").trim() === want;
      },
      { sel: selector, want: expected },
      { timeout }
    );
    check(name, true);
  } catch (e) {
    let got = "";
    try {
      got = ((await page.textContent(selector)) || "").trim();
    } catch {}
    check(name, false, `got="${got}" want="${expected}"`);
  }
}

async function summaryValue(page, label, expected, name) {
  try {
    await page.waitForFunction(
      ({ want }) => {
        const rows = Array.from(document.querySelectorAll(".fund-detail-row"));
        return rows.some((r) => {
          const l = r.querySelector(".fund-detail-label");
          const v = r.querySelector(".fund-detail-value");
          return l && v && (l.textContent || "").trim() === want.label && (v.textContent || "").trim() === want.value;
        });
      },
      { want: { label, value: expected } },
      { timeout: 10000 }
    );
    check(name, true);
  } catch (e) {
    check(name, false, `summary row ${label} != "${expected}"`);
  }
}

async function summaryLabelExists(page, label, name) {
  try {
    await page.waitForFunction(
      (want) => {
        const rows = Array.from(document.querySelectorAll(".fund-detail-row"));
        return rows.some((r) => (r.querySelector(".fund-detail-label")?.textContent || "").trim() === want);
      },
      label,
      { timeout: 10000 }
    );
    check(name, true);
  } catch (e) {
    check(name, false, `summary row ${label} missing`);
  }
}

(async () => {
  const browser = await chromium.launch({
    executablePath: EXE,
    headless: true,
    args: ["--no-sandbox", "--disable-dev-shm-usage"],
  });
  const page = await browser.newPage({ viewport: { width: 1440, height: 1100 } });
  page.on("pageerror", (e) => consoleErrors.push("pageerror: " + e.message));
  page.on("response", async (r) => {
    if (r.url().includes("/api/funds") && r.request().method() === "POST" && r.status() < 400) {
      fundPostResponses++;
      try {
        if (!createdFundResponse) createdFundResponse = await r.json();
      } catch {}
    }
    if (r.url().includes("/api/funds/") && !r.url().includes("/orders") && r.request().method() === "GET" && r.status() < 400) fundGets++;
    if (r.url().includes("/api/funds/") && r.url().includes("/orders") && r.request().method() === "GET" && r.status() < 400) {
      orderGets++;
      try {
        lastOrdersResponse = await r.json();
      } catch {}
    }
    if (r.url().includes("/orders") && r.request().method() === "POST") orderPostStatuses.push(r.status());
    if (r.status() >= 400 && !/\/api\/instruments\//.test(r.url()) && !/\/orders/.test(r.url())) {
      consoleErrors.push("resource " + r.status() + ": " + r.url());
    }
  });
  page.on("request", (r) => {
    if (r.url().includes("/api/funds") && r.method() === "POST" && !r.url().includes("/orders")) {
      fundPosts.push({ url: r.url(), key: r.headers()["idempotency-key"] || "", body: r.postData() || "" });
    }
    if (r.url().includes("/orders") && r.method() === "POST") {
      orderPosts.push({ url: r.url(), key: r.headers()["idempotency-key"] || "", body: r.postData() || "" });
    }
  });
  page.on("console", (m) => {
    if (m.type() !== "error") return;
    const text = m.text();
    if (/favicon/i.test(text)) return;
    if (/401 \(Unauthorized\)/.test(text)) return;
    if (/orders/.test(text)) return;
    if (/Failed to load resource/.test(text) && !text.includes("api/")) return;
    consoleErrors.push("console: " + text);
  });

  try {
    await page.goto(BASE, { waitUntil: "networkidle", timeout: 30000 });

    await expectVisibleFundPanel(page);
    await validationScenario(page);
    await createScenario(page);
    await rereadScenario(page);
    await staleTokenScenario(page);
    await idempotentRetryScenario(page);
    await orderScenario(page);
  } finally {
    check("G1 无浏览器控制台/页面错误", consoleErrors.length === 0, consoleErrors.slice(0, 3).join(" | "));
    await browser.close();
  }

  const failed = results.filter((r) => !r.ok);
  console.log(`\n==== ${results.length - failed.length}/${results.length} passed ====`);
  process.exit(failed.length > 0 ? 1 : 0);
})().catch((e) => {
  console.error("QA driver crashed:", e);
  process.exit(2);
});

async function expectVisibleFundPanel(page) {
  await page.waitForSelector(".fund-panel", { timeout: 15000 });
  await page.waitForSelector(".fund-name-input", { timeout: 10000 });
  await page.waitForSelector(".fund-cash-input", { timeout: 10000 });
  check("A1 初始渲染: 创建面板/名称/现金输入框", true);
  const eyebrow = ((await page.textContent(".fund-panel .eyebrow")) || "").trim();
  check("A2 面板 eyebrow 为 03 / CREATE", eyebrow === "03 / CREATE", eyebrow);
  const btn = ((await page.textContent(".fund-create-action")) || "").trim();
  check("A3 创建按钮初始为 创建基金", btn === "创建基金", btn);
  const summaryCount = await page.locator(".fund-summary").count();
  check("A4 初始无基金档案", summaryCount === 0, `count=${summaryCount}`);
  await page.screenshot({ path: SHOTS + "/01-initial.png" });
}

async function validationScenario(page) {
  await page.fill(".token-input", "qa-token");
  await page.fill(".fund-name-input", "");
  await page.fill(".fund-cash-input", "");
  await page.click(".fund-create-action");
  await expectText(page, ".error-banner", "请输入基金名称", "B1 空名称校验提示");

  await page.fill(".fund-name-input", "稳健一号");
  await page.fill(".fund-cash-input", "abc");
  await page.click(".fund-create-action");
  await expectText(
    page,
    ".error-banner",
    "初始现金必须是合法金额，例如 10000.00",
    "B2 非法金额校验提示"
  );

  await page.fill(".fund-cash-input", "-5.00");
  await page.click(".fund-create-action");
  const negativeBlocked = await page
    .waitForSelector(".error-banner", { timeout: 5000 })
    .then(() => true)
    .catch(() => false);
  check("B3 负数金额被拒绝", negativeBlocked, "banner presence");
  check("B4 校验阶段无 POST /api/funds", fundPosts.length === 0, `posts=${fundPosts.length}`);
  await page.screenshot({ path: SHOTS + "/02-validation.png" });
}

async function createScenario(page) {
  await page.fill(".fund-name-input", "稳健一号");
  await page.fill(".fund-cash-input", "12345.67");
  await page.evaluate(() => {
    const btn = document.querySelector(".fund-create-action");
    btn.click();
    btn.click();
  });
  await page.waitForSelector(".fund-summary", { timeout: 15000 });

  check("C1 创建阶段恰好 1 次 POST（双击防护）", fundPosts.length === 1, `posts=${fundPosts.length}`);
  const post = fundPosts[0] || { key: "", body: "" };
  check("C2 幂等键为 32 位十六进制", /^[0-9a-f]{32}$/.test(post.key), post.key);
  let body = {};
  try {
    body = JSON.parse(post.body);
  } catch {}
  check(
    "C3 请求体金额为 decimal 字符串",
    body.initialCash === "12345.67" && body.initialUnitNav === "1.00000000",
    post.body.slice(0, 200)
  );
  check("C4 请求体 isSynthetic=false", body.isSynthetic === false, String(body.isSynthetic));
  check("C5 请求体名称为 稳健一号", body.name === "稳健一号", String(body.name));

  await summaryLabelExists(page, "基金ID", "C6 档案含基金ID");
  await summaryValue(page, "初始现金", "12345.67", "C7 初始现金 12345.67");
  await summaryValue(page, "初始单位净值", "1.00000000", "C8 初始单位净值 1.00000000");
  await summaryValue(page, "份额", "0（新基金尚未买入持仓）", "C9 份额诚实显示 0");
  await summaryValue(page, "数据来源", "真实建档", "C10 数据来源为 真实建档");

  createdFund = { id: body.id || "", name: "稳健一号" };
  try {
    const idRow = await page.locator(".fund-detail-row", { hasText: "基金ID" }).first().textContent();
    const m = /[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/i.exec(idRow || "");
    if (m) createdFund.id = m[0];
  } catch {}
  check(
    "C11 已捕获完整档案响应载荷",
    !!(createdFundResponse && createdFundResponse.id && createdFundResponse.name && createdFundResponse.availableCash),
    JSON.stringify(createdFundResponse || {}).slice(0, 160)
  );
  await page.screenshot({ path: SHOTS + "/03-created.png" });
}

async function rereadScenario(page) {
  await page.click(".fund-read-action");
  await expectText(page, ".fund-read-action", "重新读取", "D1 重新读取完成按钮恢复", 15000);
  check("D2 重新读取恰好 1 次 GET", fundGets === 1, `gets=${fundGets}`);
  await summaryValue(page, "可用现金", "12345.67", "D3 重读后可用现金 12345.67");
  await page.screenshot({ path: SHOTS + "/04-reread.png" });
}

async function staleTokenScenario(page) {
  check(
    "E0 延迟响应使用完整档案载荷",
    !!(createdFundResponse && createdFundResponse.id && createdFundResponse.name && createdFundResponse.availableCash),
    JSON.stringify(createdFundResponse || {}).slice(0, 160)
  );
  await page.route("**/api/funds/*", async (route) => {
    await new Promise((r) => setTimeout(r, 1200));
    await route.fulfill({
      status: 200,
      contentType: "application/json",
      body: JSON.stringify(createdFundResponse || createdFund || {}),
    });
  });
  await page.click(".fund-read-action");
  await page.fill(".token-input", "qa-token-rotated");
  await page.waitForSelector(".fund-summary", { state: "detached", timeout: 10000 });
  check("E1 换 token 立即清空基金档案", true);
  await page.waitForTimeout(1800);
  const summaryAfter = await page.locator(".fund-summary").count();
  check("E2 延迟响应落地后档案仍被清除（stale 忽略）", summaryAfter === 0, `count=${summaryAfter}`);
  await page.unroute("**/api/funds/*");
  await page.fill(".token-input", "qa-token");
  await page.screenshot({ path: SHOTS + "/05-stale-token.png" });
}

async function idempotentRetryScenario(page) {
  let aborted = false;
  await page.route("**/api/funds", async (route) => {
    if (!aborted) {
      aborted = true;
      await route.abort("failed");
    } else {
      await route.continue();
    }
  });

  await page.fill(".fund-name-input", "稳健二号");
  await page.fill(".fund-cash-input", "20000.00");
  await page.click(".fund-create-action");
  await page.waitForSelector(".error-banner", { timeout: 15000 });
  const failedKey = fundPosts[fundPosts.length - 1]?.key || "";
  check("F1 首次 POST 失败显示错误横幅", true);

  await page.click(".fund-create-action");
  await page.waitForSelector(".fund-summary", { timeout: 15000 });
  const retryKey = fundPosts[fundPosts.length - 1]?.key || "";
  check("F2 重试复用同一 Idempotency-Key", failedKey !== "" && failedKey === retryKey, `${failedKey} vs ${retryKey}`);
  check("F3 失败后恰好 2 次 POST", fundPosts.length === 3, `posts=${fundPosts.length}`);
  await summaryValue(page, "名称", "稳健二号", "F4 重试成功档案为 稳健二号");
  await page.unroute("**/api/funds");
  await page.screenshot({ path: SHOTS + "/06-idempotent-retry.png" });
}

async function orderScenario(page) {
  await page.waitForSelector(".subscribe-panel", { timeout: 10000 });
  const eyebrow = ((await page.textContent(".subscribe-panel .eyebrow")) || "").trim();
  check("G1 认购面板 eyebrow 为 04 / SUBSCRIBE", eyebrow === "04 / SUBSCRIBE", eyebrow);
  for (const sel of [".order-code-input", ".order-amount-input", ".order-fee-input", ".order-submit-action"]) {
    const count = await page.locator(sel).count();
    check(`G1 认购面板包含 ${sel}`, count === 1, `count=${count}`);
  }
  const emptyHint = ((await page.textContent(".pending-orders")) || "").trim();
  check("G2 初始无待确认订单提示", emptyHint.includes("暂无待确认订单"), emptyHint.slice(0, 40));

  await page.click(".order-submit-action");
  await expectText(page, ".error-banner", "请输入基金代码", "G3 空代码校验提示");
  await page.fill(".order-code-input", "000001");
  await page.fill(".order-amount-input", "abc");
  await page.click(".order-submit-action");
  await expectText(
    page,
    ".error-banner",
    "认购金额必须是大于零的两位小数金额，例如 100.00",
    "G4 非法金额校验提示"
  );
  await page.fill(".order-amount-input", "100.00");
  await page.fill(".order-fee-input", "-0.01");
  await page.click(".order-submit-action");
  await expectText(
    page,
    ".error-banner",
    "认购手续费必须是不小于零的两位小数金额，例如 0.00",
    "G5 负手续费校验提示"
  );
  check("G6 校验阶段无认购 POST", orderPosts.length === 0, `posts=${orderPosts.length}`);

  await page.fill(".search-input", "000001");
  await page.click(".search-row .primary-action");
  await page.waitForSelector(".result-list", { timeout: 15000 });
  const resultText = ((await page.textContent(".result-list")) || "");
  check("G7 搜索到目录代码 000001", resultText.includes("000001"), resultText.slice(0, 80));

  await page.fill(".order-code-input", "000001");
  await page.fill(".order-amount-input", "100.00");
  await page.fill(".order-fee-input", "1.50");
  await page.click(".order-submit-action");
  await page.waitForSelector(".order-row", { timeout: 15000 });
  check("G8 成功下单恰好 1 次认购 POST", orderPosts.length === 1, `posts=${orderPosts.length}`);
  const post = orderPosts[0] || { key: "", body: "" };
  check("G9 认购幂等键为 32 位十六进制", /^[0-9a-f]{32}$/.test(post.key), post.key);
  let body = {};
  try {
    body = JSON.parse(post.body);
  } catch {}
  check(
    "G10 请求体为两位小数字符串",
    body.fundCode === "000001" && body.amount === "100.00" && body.feeAmount === "1.50",
    post.body.slice(0, 160)
  );
  check("G11 认购响应 201 OrderCreated", orderPostStatuses[0] === 201, String(orderPostStatuses[0]));
  const rowText = ((await page.textContent(".pending-orders")) || "");
  check(
    "G12 订单行为已提交·待确认且无份额收益",
    rowText.includes("000001") && rowText.includes("金额 100.00") && rowText.includes("预留合计 101.50") && rowText.includes("已提交 · 待确认") && !rowText.includes("份额") && !rowText.includes("收益"),
    rowText.slice(0, 200)
  );
  await summaryValue(page, "可用现金", "19898.50", "G13 下单后可用现金 19898.50");
  await summaryValue(page, "保留现金", "101.50", "G14 下单后保留现金 101.50");
  check("G15 建档后自动读取订单列表", orderGets >= 1, `gets=${orderGets}`);
  await page.screenshot({ path: SHOTS + "/07-order-created.png" });

  await page.fill(".order-amount-input", "19900.00");
  await page.fill(".order-fee-input", "1.00");
  await page.click(".order-submit-action");
  await page.waitForSelector(".error-banner", { timeout: 15000 });
  const insufficientText = ((await page.textContent(".error-banner")) || "").trim();
  check(
    "G16 超额认购被 409 拒绝",
    insufficientText.includes("available cash is not enough"),
    insufficientText.slice(0, 120)
  );
  const rowsAfterConflict = await page.locator(".order-row").count();
  check("G17 409 后无新订单", rowsAfterConflict === 1, `rows=${rowsAfterConflict}`);
  await summaryValue(page, "可用现金", "19898.50", "G18 409 后可用现金不变");
  await page.screenshot({ path: SHOTS + "/08-order-insufficient.png" });

  let aborted = false;
  await page.route("**/api/funds/*/orders", async (route) => {
    if (route.request().method() !== "POST") {
      await route.continue();
      return;
    }
    if (!aborted) {
      aborted = true;
      await route.abort("failed");
    } else {
      await route.continue();
    }
  });
  await page.fill(".order-amount-input", "10.00");
  await page.fill(".order-fee-input", "0.50");
  await page.click(".order-submit-action");
  await page.waitForSelector(".error-banner", { timeout: 15000 });
  check("G19 网络失败显示错误横幅", true);
  const failedKey = orderPosts[orderPosts.length - 1]?.key || "";
  await page.click(".order-submit-action");
  await page.waitForFunction(() => document.querySelectorAll(".order-row").length === 2, null, { timeout: 15000 });
  const retryKey = orderPosts[orderPosts.length - 1]?.key || "";
  check("G20 重试复用同一认购幂等键", failedKey !== "" && failedKey === retryKey, `${failedKey} vs ${retryKey}`);
  await summaryValue(page, "可用现金", "19888.00", "G21 重试后可用现金 19888.00");
  await summaryValue(page, "保留现金", "112.00", "G22 重试后保留现金 112.00");
  await page.unroute("**/api/funds/*/orders");
  await page.screenshot({ path: SHOTS + "/09-order-retry.png" });

  // ==== H 系列: 下单/读取请求身份隔离 + 零手续费 + 换基金隔离 ====
  await page.route("**/api/funds/*/orders", async (route) => {
    if (route.request().method() !== "POST") {
      await route.continue();
      return;
    }
    await new Promise((r) => setTimeout(r, 1200));
    await route.continue();
  });
  await page.fill(".order-code-input", "000001");
  await page.fill(".order-amount-input", "5.00");
  await page.fill(".order-fee-input", "0.00");
  await page.click(".order-submit-action");
  await expectText(page, ".order-submit-action", "下单中...", "H1 延迟 POST 进入下单中状态");
  const refreshStart = orderGets;
  await page.click(".orders-refresh-action");
  for (let i = 0; i < 60 && orderGets === refreshStart; i++) {
    await page.waitForTimeout(100);
  }
  check("H2 并发刷新在 POST 在途时完成", orderGets > refreshStart, `gets=${orderGets}/${refreshStart}`);
  const midRows = await page.locator(".order-row").count();
  check("H3 刷新落地时 POST 仍未完成", midRows === 2, `rows=${midRows}`);
  await page.waitForFunction(() => document.querySelectorAll(".order-row").length === 3, null, { timeout: 15000 });
  const doneBtn = ((await page.textContent(".order-submit-action")) || "").trim();
  check("H4 延迟 POST 完成后按钮恢复认购下单", doneBtn === "认购下单", doneBtn);
  await summaryValue(page, "可用现金", "19883.00", "H5 零手续费下单后可用现金 19883.00");
  await summaryValue(page, "保留现金", "117.00", "H6 零手续费下单后保留现金 117.00");
  const zeroFeeRow = ((await page.textContent(".pending-orders")) || "");
  check(
    "H7 零手续费订单行金额 5.00 手续费 0.00 预留 5.00",
    zeroFeeRow.includes("金额 5.00") && zeroFeeRow.includes("手续费 0.00") && zeroFeeRow.includes("预留合计 5.00"),
    zeroFeeRow.slice(0, 200)
  );
  await page.unroute("**/api/funds/*/orders");
  await page.screenshot({ path: SHOTS + "/10-order-delayed-refresh.png" });

  await page.route("**/api/funds/*/orders", async (route) => {
    if (route.request().method() !== "POST") {
      await route.continue();
      return;
    }
    await new Promise((r) => setTimeout(r, 1200));
    await route.continue();
  });
  await page.fill(".order-amount-input", "99999.00");
  await page.fill(".order-fee-input", "0.01");
  await page.click(".order-submit-action");
  await expectText(page, ".order-submit-action", "下单中...", "H8 失败路径进入下单中状态");
  const failRefreshStart = orderGets;
  await page.click(".orders-refresh-action");
  for (let i = 0; i < 60 && orderGets === failRefreshStart; i++) {
    await page.waitForTimeout(100);
  }
  await page.waitForSelector(".error-banner", { timeout: 15000 });
  const failText = ((await page.textContent(".error-banner")) || "").trim();
  check("H9 延迟 409 显示不足横幅", failText.includes("available cash is not enough"), failText.slice(0, 120));
  const failBtn = ((await page.textContent(".order-submit-action")) || "").trim();
  check("H10 失败后按钮恢复（不被刷新卡死）", failBtn === "认购下单", failBtn);
  const failRows = await page.locator(".order-row").count();
  check("H11 失败后无新订单行", failRows === 3, `rows=${failRows}`);
  await summaryValue(page, "可用现金", "19883.00", "H12 失败后可用现金不变");
  await summaryValue(page, "保留现金", "117.00", "H13 失败后保留现金不变");
  await page.unroute("**/api/funds/*/orders");

  await page.route("**/api/funds/*/orders", async (route) => {
    if (route.request().method() !== "POST") {
      await route.continue();
      return;
    }
    await new Promise((r) => setTimeout(r, 1500));
    await route.continue();
  });
  await page.fill(".order-amount-input", "7.00");
  await page.fill(".order-fee-input", "0.00");
  await page.click(".order-submit-action");
  await expectText(page, ".order-submit-action", "下单中...", "H14 换基金前 POST 在途");
  await page.fill(".fund-name-input", "切换基金测试");
  await page.fill(".fund-cash-input", "3000.00");
  await page.click(".fund-create-action");
  await page.waitForSelector(".order-row", { state: "detached", timeout: 10000 });
  check("H15 换基金立即清空旧基金订单行", true);
  const switchBtn = ((await page.textContent(".order-submit-action")) || "").trim();
  check("H16 换基金后按钮恢复（在途请求被丢弃）", switchBtn === "认购下单", switchBtn);
  const switchHint = ((await page.textContent(".pending-orders")) || "").trim();
  check("H17 换基金后显示暂无待确认订单", switchHint.includes("暂无待确认订单"), switchHint.slice(0, 40));
  await page.waitForTimeout(2200);
  const staleRows = await page.locator(".order-row").count();
  check("H18 延迟 POST 落地后旧订单仍未出现", staleRows === 0, `rows=${staleRows}`);
  await summaryValue(page, "可用现金", "3000.00", "H19 新基金可用现金 3000.00");
  await summaryValue(page, "保留现金", "0.00", "H20 新基金保留现金 0.00");
  await page.unroute("**/api/funds/*/orders");
  await page.screenshot({ path: SHOTS + "/11-fund-switch-isolated.png" });

  await page.route("**/api/funds/*/orders", async (route) => {
    if (route.request().method() !== "GET") {
      await route.continue();
      return;
    }
    await new Promise((r) => setTimeout(r, 1200));
    await route.fulfill({
      status: 200,
      contentType: "application/json",
      body: JSON.stringify(lastOrdersResponse || []),
    });
  });
  await page.click(".orders-refresh-action");
  await page.fill(".token-input", "qa-token-rotated");
  await page.waitForSelector(".order-row", { state: "detached", timeout: 10000 });
  check("G23 换 token 立即清空待确认订单", true);
  await page.waitForTimeout(1800);
  const rowsAfterStale = await page.locator(".order-row").count();
  check("G24 延迟订单响应落地后仍被清除（stale 忽略）", rowsAfterStale === 0, `rows=${rowsAfterStale}`);
  await page.unroute("**/api/funds/*/orders");
  await page.fill(".token-input", "qa-token");
  await page.screenshot({ path: SHOTS + "/10-order-stale-token.png" });
}