/**
 * @file server-mode-leaks.test.js
 * @description Server mode (S3 plan, P0): a member cannot read the host's AI
 * tool config files through `/api/ai-tools/:id/config[/:index]`, and the
 * member-readable `/api/cc-config/{skills,commands}` list project items only
 * from the member's own workspaces — never another user's folder, nor the
 * dashboard's own working directory when no `cwd` is given.
 * @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 TMP = fs.realpathSync(fs.mkdtempSync(path.join(os.tmpdir(), "server-mode-leaks-")));
process.env.DASHBOARD_DB_PATH = path.join(TMP, "dashboard.db");
process.env.DASHBOARD_LIVENESS_PROBE = "0";
process.env.LANES_ROOT = path.join(TMP, "lanes");
// The user-scope skills come from CLAUDE_HOME — keep it out of the real one.
process.env.CLAUDE_HOME = path.join(TMP, "claude-home");

const { createApp, startServer } = require("../index");
const { db } = require("../db");
const auth = require("../lib/auth");

let server;
let BASE;
const MIA_DIR = path.join(TMP, "w", "mia");
const MAX_DIR = path.join(TMP, "w", "max");

function writeSkill(dir, name) {
  const d = path.join(dir, ".claude", "skills", name);
  fs.mkdirSync(d, { recursive: true });
  fs.writeFileSync(path.join(d, "SKILL.md"), `---\nname: ${name}\n---\nbody\n`);
}

function writeCommand(dir, name) {
  const d = path.join(dir, ".claude", "commands");
  fs.mkdirSync(d, { recursive: true });
  fs.writeFileSync(path.join(d, `${name}.md`), "do it\n");
}

async function call(p, cookie) {
  const res = await fetch(BASE + p, { headers: cookie ? { cookie } : {} });
  return { status: res.status, body: await res.json().catch(() => null) };
}

async function login(username, password) {
  const res = await fetch(BASE + "/api/auth/login", {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ username, password }),
  });
  assert.equal(res.status, 200);
  return res.headers.get("set-cookie").split(";")[0];
}

const names = (r) => (r.body?.items || []).map((i) => i.name);

before(async () => {
  writeSkill(MIA_DIR, "mia-skill");
  writeSkill(MAX_DIR, "max-skill");
  writeCommand(MAX_DIR, "max-cmd");
  server = await startServer(createApp(), 0);
  BASE = `http://127.0.0.1:${server.address().port}`;
  const mia = await auth.createUser("mia", "member-pass-1", "developer");
  const max = await auth.createUser("max", "member-pass-2", "developer");
  await auth.createUser("boss", "admin-pass-1", "admin");
  const lane = db.prepare("INSERT INTO lanes (cwd, tool, owner_id) VALUES (?, 'claude', ?)");
  lane.run(MIA_DIR, mia.id);
  lane.run(MAX_DIR, max.id);
  process.env.AGENTHUB_MODE = "server";
});

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

describe("server mode: AI tool config files are staff-only", () => {
  for (const p of [
    "/api/ai-tools/claude/config",
    "/api/ai-tools/claude/config/0",
    "/api/AI-Tools/claude/Config/0",
    "/api/ai-tools/claude/%63onfig/0",
    "/api/ai-tools//claude/config/0",
  ]) {
    it(`refuses a member ${p}`, async () => {
      const r = await call(p, await login("mia", "member-pass-1"));
      assert.equal(r.status, 403);
      assert.equal(r.body.error.code, "EADMIN");
    });
  }

  it("still lets an admin reach it", async () => {
    const r = await call("/api/ai-tools/claude/config", await login("boss", "admin-pass-1"));
    assert.notEqual(r.status, 403);
  });

  it("keeps the rest of /api/ai-tools open to a member", async () => {
    const r = await call("/api/ai-tools", await login("mia", "member-pass-1"));
    assert.equal(r.status, 200);
  });
});

describe("server mode: a member's skills/commands come from their own workspaces", () => {
  it("lists the project skills of the member's own workspace", async () => {
    const mia = await login("mia", "member-pass-1");
    const r = await call(`/api/cc-config/skills?cwd=${encodeURIComponent(MIA_DIR)}`, mia);
    assert.equal(r.status, 200);
    assert.ok(names(r).includes("mia-skill"));
  });

  it("refuses another user's folder (skills and commands)", async () => {
    const mia = await login("mia", "member-pass-1");
    for (const kind of ["skills", "commands"]) {
      const r = await call(`/api/cc-config/${kind}?cwd=${encodeURIComponent(MAX_DIR)}`, mia);
      assert.equal(r.status, 403, kind);
      assert.equal(r.body.error.code, "EFOLDER");
      assert.ok(!JSON.stringify(r.body).includes("max-"));
    }
  });

  it("refuses a path that walks out of the member's folder", async () => {
    const mia = await login("mia", "member-pass-1");
    const sneaky = path.join(MIA_DIR, "..", "max");
    const r = await call(`/api/cc-config/skills?cwd=${encodeURIComponent(sneaky)}`, mia);
    assert.equal(r.status, 403);
  });

  it("lists no project items without a cwd (never the dashboard's own folder)", async () => {
    const mia = await login("mia", "member-pass-1");
    const r = await call("/api/cc-config/skills?scope=project", mia);
    assert.equal(r.status, 200);
    assert.deepEqual(r.body.items, []);
    const all = await call("/api/cc-config/commands", mia);
    assert.equal(all.status, 200);
    assert.ok(all.body.items.every((i) => i.scope === "user"));
  });

  it("leaves an admin free to name any folder", async () => {
    const boss = await login("boss", "admin-pass-1");
    const r = await call(`/api/cc-config/skills?cwd=${encodeURIComponent(MAX_DIR)}`, boss);
    assert.equal(r.status, 200);
    assert.ok(names(r).includes("max-skill"));
  });
});

describe("the System page's facts for a developer", () => {
  // Every string that looks like an absolute path, anywhere in a body.
  const paths = (o, out = []) => {
    if (typeof o === "string" && o.startsWith("/")) out.push(o);
    else if (o && typeof o === "object") for (const v of Object.values(o)) paths(v, out);
    return out;
  };

  it("carries no host or other-user path (DB, hooks file, transcript cache keys)", async () => {
    const mia = await login("mia", "member-pass-1");
    const info = await call("/api/settings/info", mia);
    assert.equal(info.status, 200);
    assert.deepEqual(paths(info.body), []);
    assert.equal(typeof info.body.db.size, "number", "the numbers stay");
    const boss = await login("boss", "admin-pass-1");
    const full = await call("/api/settings/info", boss);
    assert.ok(full.body.db.path, "an admin still sees the host's paths");
  });
});