/**
 * @file server-s3-lanes.test.js
 * @description S3 plan, P3e: a workspace in a member's folder gets neither the
 * managed-worktree mode nor the runtime layer (they run as the dashboard's own
 * account and write into LANES_ROOT) — 403 EMEMBERLANE; a host workspace is
 * untouched. A host plugin reload never types into a member's pane. An analyst
 * WRITES like a developer: their workspace only in their own folder, run as
 * their own Linux account.
 * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
 */

const { describe, it, before, after } = require("node:test");
const assert = require("node:assert/strict");
const path = require("node:path");
const fs = require("node:fs");
const os = require("node:os");
const { execFileSync } = require("node:child_process");

const TMP = fs.realpathSync(fs.mkdtempSync(path.join(os.tmpdir(), "server-s3-lanes-")));
const USERS = path.join(TMP, "users");
const PROJ = path.join(USERS, "mia", "proj");
process.env.DASHBOARD_DB_PATH = path.join(TMP, "dashboard.db");
process.env.DASHBOARD_LIVENESS_PROBE = "0";
process.env.LANES_ROOT = path.join(TMP, "lanes");
process.env.AGENTHUB_SERVER_CONF = path.join(TMP, "server.conf");
process.env.AGENTHUB_PASSWD = path.join(TMP, "passwd");

const { createApp, startServer } = require("../index");
const { db } = require("../db");
const auth = require("../lib/auth");
const linux = require("../lib/linux-accounts");
const runAs = require("../lib/run-as");
const tmux = require("../lib/tmux");

let server;
let BASE;
let memberLane;
let hostLane;
let cookie;

const call = (method, p, body) =>
  fetch(BASE + p, {
    method,
    headers: { "Content-Type": "application/json", cookie },
    body: body ? JSON.stringify(body) : undefined,
  }).then(async (r) => ({ status: r.status, body: await r.json().catch(() => null) }));

before(async () => {
  fs.mkdirSync(PROJ, { recursive: true });
  execFileSync("git", ["init", "-q", PROJ]);
  execFileSync("git", [
    "-C",
    PROJ,
    "-c",
    "user.email=a@b",
    "-c",
    "user.name=a",
    "commit",
    "-q",
    "--allow-empty",
    "-m",
    "x",
  ]);
  fs.writeFileSync(
    process.env.AGENTHUB_PASSWD,
    "ah-mia:x:5001:5001::/:/bin/sh\nah-ana:x:5002:5002::/:/bin/sh\n"
  );
  fs.writeFileSync(
    process.env.AGENTHUB_SERVER_CONF,
    `HOST_USER=h\nHOST_UID=1\nUSERS_ROOT=${USERS}\nPORT=4820\n`
  );
  linux.__resetConfCache();
  runAs.__resetCache();
  linux.__setRunImpl(() => "ok");
  server = await startServer(createApp(), 0);
  BASE = `http://127.0.0.1:${server.address().port}`;
  process.env.AGENTHUB_MODE = "server";
  await auth.createUser("boss", "admin-pass-1", "admin");
  await auth.createUser("mia", "member-pass-1", "developer");
  await auth.createUser("ana", "analyst-pass-1", "analyst");
  const boss = db.prepare("SELECT id FROM users WHERE username = 'boss'").get().id;
  const insert = db.prepare("INSERT INTO lanes (cwd, tool, owner_id) VALUES (?, 'claude', ?)");
  memberLane = Number(insert.run(PROJ, boss).lastInsertRowid);
  hostLane = Number(insert.run(path.join(TMP, "hostproj"), boss).lastInsertRowid);
  const login = await fetch(`${BASE}/api/auth/login`, {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ username: "boss", password: "admin-pass-1" }),
  });
  cookie = login.headers.get("set-cookie").split(";")[0];
});

after(() => {
  tmux.__reset();
  delete process.env.AGENTHUB_MODE;
  server?.close();
  fs.rmSync(TMP, { recursive: true, force: true });
});

describe("no runtime layer and no managed worktree in a member's folder", () => {
  for (const [method, p] of [
    ["POST", "up"],
    ["POST", "down"],
    ["POST", "hook/bootstrap"],
    ["POST", "sync-base"],
    ["POST", "profile/init"],
    ["POST", "mcp/sync"],
  ]) {
    it(`refuses ${method} /:id/${p}`, async () => {
      const r = await call(method, `/api/lanes/${memberLane}/${p}`, {});
      assert.equal(r.status, 403, JSON.stringify(r.body));
      assert.equal(r.body.error.code, "EMEMBERLANE");
    });
  }

  it("refuses a managed worktree of a member's repository", async () => {
    const r = await call("POST", "/api/lanes/worktree", { sourceRepo: PROJ, slug: "feat" });
    assert.equal(r.status, 403);
    assert.equal(r.body.error.code, "EMEMBERLANE");
  });

  it("leaves a host workspace's runtime routes as they were", async () => {
    const r = await call("POST", `/api/lanes/${hostLane}/up`, {});
    assert.notEqual(r.body?.error?.code, "EMEMBERLANE");
  });
});

describe("a host plugin reload", () => {
  it("never types into a member's pane", () => {
    const { reloadableLanes } = require("../lib/cc-reload");
    const runs = require("../lib/pty-run");
    const orig = runs.listRuns;
    db.prepare(
      "INSERT INTO dashboard_runs (id, lane_id, cwd, mode, status, tool) VALUES (?, ?, ?, 'interactive', 'running', 'claude')"
    ).run(`agenthub-lane-${memberLane}`, memberLane, PROJ);
    tmux.__setExecImpl((args) =>
      args.includes("list-sessions") ? `agenthub-lane-${memberLane}\n` : "claude\n"
    );
    try {
      assert.ok(!reloadableLanes().some((l) => l.id === `agenthub-lane-${memberLane}`));
    } finally {
      runs.listRuns = orig;
    }
  });
});

describe("an analyst's workspace is theirs, like a developer's", () => {
  it("is created only in their own folder and runs as their Linux account", async () => {
    const own = path.join(USERS, "ana", "proj");
    fs.mkdirSync(own, { recursive: true });
    process.env.AGENTHUB_USERS_ROOT = USERS;
    try {
      const login = await fetch(`${BASE}/api/auth/login`, {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ username: "ana", password: "analyst-pass-1" }),
      });
      const ca = login.headers.get("set-cookie").split(";")[0];
      const post = (cwd) =>
        fetch(`${BASE}/api/lanes`, {
          method: "POST",
          headers: { "Content-Type": "application/json", cookie: ca },
          body: JSON.stringify({ cwd }),
        }).then(async (r) => ({ status: r.status, body: await r.json() }));
      const theirs = await post(path.join(USERS, "mia"));
      assert.equal(theirs.status, 403);
      assert.equal(theirs.body.error.code, "EFOLDER");
      const mine = await post(own);
      assert.equal(mine.status, 201, JSON.stringify(mine.body));
      assert.equal(runAs.accountForLane(mine.body.lane.id).login, "ah-ana");
    } finally {
      delete process.env.AGENTHUB_USERS_ROOT;
    }
  });
});

describe("a member's new project folder", () => {
  it("is made as the member, and nothing else is made for anyone", () => {
    const { fakeSudo } = require("./fixtures/fake-sudo");
    const sudo = fakeSudo();
    runAs.__setExecImpl(sudo.exec);
    const fresh = path.join(USERS, "mia", "brand-new", "sub");
    assert.equal(runAs.makeMemberFolder(fresh), true);
    assert.ok(fs.statSync(fresh).isDirectory());
    const call = sudo.calls.find((c) => c.includes("/opt/agenthub/libexec/write-as"));
    assert.ok(call && call.includes("ah-mia") && call.includes(fresh) && call.includes("mkdir"));
    sudo.calls.length = 0;
    assert.equal(runAs.makeMemberFolder(path.join(USERS, "mia")), false, "the home itself");
    assert.equal(runAs.makeMemberFolder(path.join(TMP, "host-new")), false, "not a member's");
    assert.equal(runAs.makeMemberFolder(path.join(USERS, "nobody", "x")), false, "no account");
    assert.deepEqual(sudo.calls, []);
    assert.equal(fs.existsSync(path.join(TMP, "host-new")), false);
  });
});