import { test } from 'node:test';
import assert from 'node:assert/strict';
import { voiceChannelOccupancy } from './voiceChannelFull';

test('voiceChannelOccupancy: one user on two devices fills one slot, not two', () => {
  assert.deepEqual(voiceChannelOccupancy(['@a:x', '@a:x'], '@b:x', 2), {
    channelFull: false,
    current: 1,
    max: 2,
  });
});

test('voiceChannelOccupancy: full when distinct users reach the limit', () => {
  assert.deepEqual(voiceChannelOccupancy(['@a:x', '@c:x', '@a:x'], '@b:x', 2), {
    channelFull: true,
    current: 2,
    max: 2,
  });
});

test('voiceChannelOccupancy: someone already in the call can always join another device', () => {
  assert.equal(voiceChannelOccupancy(['@a:x', '@b:x'], '@b:x', 2).channelFull, false);
});

test('voiceChannelOccupancy: no limit (0) is never full; unknown senders are ignored', () => {
  assert.equal(voiceChannelOccupancy(['@a:x', '@c:x'], '@b:x', 0).channelFull, false);
  assert.equal(voiceChannelOccupancy([undefined, '@a:x'], '@b:x', 2).current, 1);
});