import test from 'node:test';
import assert from 'node:assert/strict';
import {
  createState,
  purchaseBlocker,
  priceAt,
  canAffordAnything,
  formatClock,
} from '../src/game-state.js';
import {
  createPayment,
  beginPayment,
  readyPayment,
  swipePayment,
  cancelPayment,
} from '../src/payment.js';
import { machineById, machines } from '../src/locations.js';

const park = machineById('mellat-park'),
  school = machineById('school-rahil'),
  uni = machineById('ferdowsi-university');

test('Payment charges once, only after ready and an explicit swipe', () => {
  const state = createState(),
    payment = createPayment();
  assert.ok(beginPayment(state, payment, park, 'juice'));
  assert.equal(state.balance, 500);
  assert.equal(swipePayment(state, payment), false, 'not ready yet');
  assert.ok(readyPayment(payment));
  assert.ok(swipePayment(state, payment));
  assert.equal(state.balance, 465);
  assert.equal(swipePayment(state, payment), false, 'no double charge');
  assert.equal(state.purchases.length, 1);
  assert.equal(
    beginPayment(state, createPayment(), park, 'water'),
    false,
    'busy until delivery ends',
  );
});

test('Cancel, closed machines, unknown products and low funds never charge', () => {
  const state = createState(),
    payment = createPayment();
  assert.ok(beginPayment(state, payment, park, 'cake'));
  assert.ok(cancelPayment(state, payment));
  assert.equal(state.balance, 500);
  assert.equal(state.busy, false);
  assert.equal(purchaseBlocker(state, park, 'not-a-product'), 'unknown');
  assert.equal(purchaseBlocker(state, school, 'nuts'), 'unknown', 'school does not sell nuts');
  state.minutes = 14 * 60;
  assert.equal(purchaseBlocker(state, school, 'water'), 'closed');
  state.minutes = 9 * 60;
  state.balance = 10;
  assert.equal(purchaseBlocker(state, park, 'water'), 'funds');
  assert.equal(beginPayment(state, payment, park, 'water'), false);
});

test('Prices follow machine discounts and the clock is Persian', () => {
  assert.equal(priceAt(uni, 'nuts'), 52);
  assert.equal(priceAt(park, 'nuts'), 65);
  assert.equal(formatClock(8 * 60 + 5), '۰۸:۰۵');
  const state = createState();
  state.balance = 5;
  assert.equal(canAffordAnything(state, machines), false);
  state.balance = 15;
  assert.ok(canAffordAnything(state, machines));
});