import { test } from 'node:test';
import assert from 'node:assert/strict';
import { spawn } from 'node:child_process';
import fs from 'node:fs';
import os from 'node:os';
import path from 'node:path';
import { fileURLToPath } from 'node:url';

const root = path.join(path.dirname(fileURLToPath(import.meta.url)), '..');

test('iam login, permission check, user CRUD', async () => {
  const port = 18028;
  const dir = fs.mkdtempSync(path.join(os.tmpdir(), 'iam-'));
  const child = spawn(process.execPath, ['src/server.js'], {
    cwd: root,
    env: { ...process.env, PORT: String(port), STAFF_IAM_PATH: path.join(dir, 'iam.json') },
    stdio: ['ignore', 'pipe', 'pipe'],
  });
  await new Promise((r) => setTimeout(r, 500));
  try {
    const h = await (await fetch(`http://127.0.0.1:${port}/health`)).json();
    assert.equal(h.role, 'verae-staff-iam');
    const login = await fetch(`http://127.0.0.1:${port}/login`, {
      method: 'POST',
      headers: { 'content-type': 'application/json' },
      body: JSON.stringify({ username: 'admin', password: 'admin-dev-key' }),
    });
    assert.equal(login.status, 200);
    const { token, user } = await login.json();
    assert.ok(user.permissions.includes('*'));
    const hdr = { authorization: `Bearer ${token}`, 'content-type': 'application/json' };
    const ok = await fetch(`http://127.0.0.1:${port}/check?permission=cs.credit`, { headers: hdr });
    assert.equal(ok.status, 200);
    const csLogin = await fetch(`http://127.0.0.1:${port}/login`, {
      method: 'POST',
      headers: { 'content-type': 'application/json' },
      body: JSON.stringify({ username: 'cs', password: 'cs-dev-key' }),
    });
    const cs = await csLogin.json();
    const deny = await fetch(`http://127.0.0.1:${port}/check?permission=accounting.export`, {
      headers: { authorization: `Bearer ${cs.token}` },
    });
    assert.equal(deny.status, 403);
    const created = await fetch(`http://127.0.0.1:${port}/users`, {
      method: 'POST',
      headers: hdr,
      body: JSON.stringify({ username: 'pat', password: 'pat-pass-99', name: 'Pat', roles: ['sales'] }),
    });
    assert.equal(created.status, 201);
    const body = await created.json();
    assert.deepEqual(body.roles, ['sales']);
    const list = await (await fetch(`http://127.0.0.1:${port}/users`, { headers: hdr })).json();
    assert.ok(list.users.some((u) => u.username === 'pat'));
  } finally {
    child.kill('SIGTERM');
  }
});