import { expect, test, type APIRequestContext, type Page } from "@playwright/test";
import { readFile } from "node:fs/promises";
import path from "node:path";
import { fileURLToPath } from "node:url";
import { spawn } from "node:child_process";

type RuntimeInfo = {
  httpBase: string;
  adminPassword: string;
  dataDir: string;
  binPath: string;
  vitePort: number;
};

const webRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "..");
const repoRoot = path.resolve(webRoot, "..");
const runtimePath = path.join(webRoot, "e2e", ".runtime.json");

async function loadRuntime(): Promise<RuntimeInfo> {
  return JSON.parse(await readFile(runtimePath, "utf8")) as RuntimeInfo;
}

async function login(page: Page, password: string) {
  await page.goto("/login");
  await page.getByPlaceholder("admin").fill("admin");
  await page.getByPlaceholder("请输入密码").fill(password);
  await page.getByTestId("login-submit").click();
  await expect(page).toHaveURL(/\/overview/);
}

function nav(page: Page, label: string) {
  return page.locator(".n-menu").getByText(label, { exact: true }).click();
}

async function createPeerViaAdmin(
  request: APIRequestContext,
  httpBase: string,
  password: string,
  id: string,
  loginPassword: string,
) {
  const loginRes = await request.post(`${httpBase}/api/admin/login`, {
    data: { username: "admin", password },
  });
  expect(loginRes.ok()).toBeTruthy();
  const res = await request.post(`${httpBase}/api/admin/endpoints`, {
    headers: { "X-Nixmsg-Request": "1" },
    data: { id, name: id, login_password: loginPassword },
  });
  const body = await res.json();
  expect(res.ok(), JSON.stringify(body)).toBeTruthy();
  expect(body.ok).toBe(true);
}

function seedPending(httpBase: string, from: string, fromPass: string, to: string): Promise<void> {
  return new Promise((resolve, reject) => {
    const child = spawn(
      "go",
      [
        "run",
        "./web/e2e/seedpending",
        "-base",
        httpBase,
        "-from",
        from,
        "-from-pass",
        fromPass,
        "-to",
        to,
      ],
      { cwd: repoRoot, shell: process.platform === "win32" },
    );
    let out = "";
    child.stdout.on("data", (d) => {
      out += String(d);
    });
    child.stderr.on("data", (d) => {
      out += String(d);
    });
    child.on("error", reject);
    child.on("close", (code) => {
      if (code === 0) resolve();
      else reject(new Error(`seedpending failed: ${out}`));
    });
  });
}

test.describe("后台主路径 W4", () => {
  test("登录、开通、注册、建群、未完成投递、令牌创建停用", async ({ page, request }) => {
    const rt = await loadRuntime();
    await login(page, rt.adminPassword);

    await nav(page, "端");
    await expect(page).toHaveURL(/\/endpoints/);
    await page.getByRole("button", { name: "开通", exact: true }).click();
    await page.getByTestId("create-id").locator("input").fill("w4ep001");
    await page.getByTestId("create-name").locator("input").fill("W4端一");
    await page.getByTestId("create-submit").click();
    await expect(page.getByText("只显示一次")).toBeVisible();
    await page.getByRole("button", { name: "我已保存" }).click();
    await expect(page.getByText("只显示一次")).toHaveCount(0);
    await expect(page.getByText("w4ep001")).toBeVisible();

    // 管理接口开通第二端（已知密码），供 MQTT 造未完成投递；管理 messages 只读
    await createPeerViaAdmin(request, rt.httpBase, rt.adminPassword, "w4ep002", "password12ab");

    await nav(page, "注册设置");
    await expect(page).toHaveURL(/\/registration/);
    await page.getByTestId("reg-enabled").click();
    await expect(page.getByText("已开启自助注册")).toBeVisible();
    await page.getByTestId("reg-code").locator("input").fill("w4-reg-code-01");
    await page.getByTestId("reg-save-code").click();
    await expect(page.getByText("安全码已更新")).toBeVisible();

    await nav(page, "群");
    await expect(page).toHaveURL(/\/groups/);
    await page.getByTestId("group-create-open").click();
    await page.getByTestId("group-name").locator("input").fill("W4测试群");
    await page.getByTestId("group-owner").locator("input").fill("w4ep001");
    await page.getByTestId("group-members").locator("textarea").fill("w4ep002");
    await page.getByTestId("group-create-submit").click();
    await expect(page.getByText("W4测试群")).toBeVisible();

    await seedPending(rt.httpBase, "w4ep002", "password12ab", "w4ep001");

    await nav(page, "投递记录");
    await expect(page).toHaveURL(/\/messages/);
    await expect(page.getByText("w4-e2e-scheduled")).toBeVisible();
    await expect(page.getByRole("cell", { name: "scheduled", exact: true })).toBeVisible();

    await nav(page, "API 令牌");
    await expect(page).toHaveURL(/\/tokens/);
    await page.getByTestId("token-create-open").click();
    await page.getByTestId("token-name").locator("input").fill("w4-e2e-token");
    await page.getByTestId("token-create-submit").click();
    await expect(page.getByText("令牌只显示一次")).toBeVisible();
    const bodyText = await page.locator("body").innerText();
    const tokenMatch = bodyText.match(/nxm_[A-Za-z0-9_-]+/);
    expect(tokenMatch).toBeTruthy();
    const shown = tokenMatch![0];
    await page.getByRole("button", { name: "我已保存" }).click();
    await expect(page.getByText("令牌只显示一次")).toHaveCount(0);
    await expect(page.getByText(shown)).toHaveCount(0);
    await expect(page.getByText("w4-e2e-token")).toBeVisible();

    const row = page.locator("tr", { hasText: "w4-e2e-token" });
    await expect(row.getByText("是")).toBeVisible();
    await row.getByRole("button", { name: "停用" }).click();
    await expect(row.getByText("否")).toBeVisible();
  });
});