/**
 * Unit tests for shared send path selection (pure logic mirror).
 * Run: node tests/mailbox-send-path.test.js
 */
const assert = require('assert');
const { normalizeMailbox, buildPath } = require('../utils/mailbox');

function resolveSendPath(args) {
  const mb = normalizeMailbox(args.mailbox);
  const onBehalf = args.onBehalfOf === true || args.onBehalfOf === 'true';
  if (mb.kind === 'user' && !onBehalf) {
    return buildPath(mb, 'sendMail');
  }
  return 'me/sendMail';
}

assert.strictEqual(resolveSendPath({}), 'me/sendMail');
assert.strictEqual(resolveSendPath({ mailbox: 'me' }), 'me/sendMail');
assert.strictEqual(
  resolveSendPath({ mailbox: 'helpdesk@contoso.com' }),
  'users/helpdesk@contoso.com/sendMail'
);
assert.strictEqual(
  resolveSendPath({ mailbox: 'helpdesk@contoso.com', onBehalfOf: true }),
  'me/sendMail'
);
assert.strictEqual(
  resolveSendPath({ mailbox: 'helpdesk@contoso.com', onBehalfOf: 'true' }),
  'me/sendMail'
);

console.log('✅ send path selection');
console.log('\nAll mailbox-send-path tests passed.');