const test = require('node:test');
const assert = require('node:assert/strict');

const { Reactor_CSTR, Reactor_PFR } = require('../../src/specificClass');
const { makeReactorConfig } = require('../helpers/factories');

test('CSTR getEffluent returns flat concentration vector', () => {
  const reactor = new Reactor_CSTR(makeReactorConfig({ reactor_type: 'CSTR', n_inlets: 1 }));
  reactor.state = Array.from({ length: 13 }, (_, i) => i + 1);
  reactor.Fs[0] = 5;

  const effluent = reactor.getEffluent;

  assert.equal(effluent.topic, 'Fluent');
  assert.equal(effluent.payload.inlet, 0);
  assert.equal(effluent.payload.F, 5);
  assert.deepEqual(effluent.payload.C, reactor.state);
});

test('PFR getEffluent returns last slice concentration vector', () => {
  const reactor = new Reactor_PFR(
    makeReactorConfig({ reactor_type: 'PFR', n_inlets: 1, length: 10, resolution_L: 4 }),
  );

  reactor.state = [
    Array(13).fill(10),
    Array(13).fill(20),
    Array(13).fill(30),
    Array(13).fill(40),
  ];
  reactor.Fs[0] = 7;

  const effluent = reactor.getEffluent;

  assert.equal(effluent.topic, 'Fluent');
  assert.equal(effluent.payload.F, 7);
  assert.deepEqual(effluent.payload.C, Array(13).fill(40));
});