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

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

const NUM_SPECIES = 13;

test('Reactor_CSTR tick clips negative concentrations to zero', () => {
  const reactor = new Reactor_CSTR(
    makeReactorConfig({
      reactor_type: 'CSTR',
      volume: 1,
      n_inlets: 1,
      kla: NaN,
      S_O_init: 0.1,
      S_I_init: 0.1,
      S_S_init: 0.1,
      S_NH_init: 0.1,
      S_N2_init: 0.1,
      S_NO_init: 0.1,
      S_HCO_init: 0.1,
      X_I_init: 0.1,
      X_S_init: 0.1,
      X_H_init: 0.1,
      X_STO_init: 0.1,
      X_A_init: 0.1,
      X_TS_init: 0.1,
    }),
  );

  reactor.asm = {
    compute_dC: () => Array(NUM_SPECIES).fill(0),
  };
  reactor.Fs[0] = 1;
  reactor.Cs_in[0] = Array(NUM_SPECIES).fill(0);

  reactor.tick(1);

  assert.equal(reactor.state.every((v) => Number.isFinite(v) && v >= 0), true);
  assert.equal(reactor.state.every((v) => v === 0), true);
});