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

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

test('customer-service health', async () => {
  const port = 18011;
  const child = spawn(process.execPath, ['src/server.js'], {
    cwd: path.join(root),
    env: { ...process.env, PORT: String(port) },
    stdio: ['ignore', 'pipe', 'pipe'],
  });
  await new Promise((r) => setTimeout(r, 400));
  try {
    const r = await fetch(`http://127.0.0.1:${port}/health`);
    const body = await r.json();
    assert.equal(body.role, 'zappier-customer-service');
    const home = await fetch(`http://127.0.0.1:${port}/`);
    assert.equal(home.status, 200);
    assert.match(await home.text(), /Customer service/);
  } finally {
    child.kill('SIGTERM');
  }
});

test('customer-service review via account-balance HTTP', async () => {
  const booksPort = 18014;
  const csPort = 18015;
  const books = spawn(process.execPath, ['src/server.js'], {
    cwd: path.join(root, '..', 'zappier-account-balance'),
    env: { ...process.env, PORT: String(booksPort) },
    stdio: ['ignore', 'pipe', 'pipe'],
  });
  const cs = spawn(process.execPath, ['src/server.js'], {
    cwd: path.join(root),
    env: {
      ...process.env,
      PORT: String(csPort),
      ACCOUNT_BALANCE_URL: `http://127.0.0.1:${booksPort}`,
    },
    stdio: ['ignore', 'pipe', 'pipe'],
  });
  await new Promise((r) => setTimeout(r, 500));
  try {
    const add = await fetch(`http://127.0.0.1:${csPort}/credits`, {
      method: 'POST',
      headers: { 'content-type': 'application/json' },
      body: JSON.stringify({ customerId: 'c-review', cents: 700, reason: 'goodwill', agent: 'cs' }),
    });
    assert.equal(add.status, 200);
    const st = await (await fetch(`http://127.0.0.1:${csPort}/review/c-review`)).json();
    assert.equal(st.prepaidCents, 700);
    assert.equal(st.source, 'account-balance');
    assert.equal(st.credits[0].reason, 'goodwill');
  } finally {
    cs.kill('SIGTERM');
    books.kill('SIGTERM');
  }
});