/**
 * pray-calc v2 — CJS smoke test.
 *
 * Verifies that the CommonJS build loads and the primary API works.
 */

'use strict';

const assert = require('assert');
const {
  getTimes,
  calcTimes,
  getTimesAll,
  calcTimesAll,
  getAngles,
  getAsr,
  getQiyam,
  getMscFajr,
  getMscIsha,
  solarEphemeris,
  toJulianDate,
  METHODS,
} = require('./dist/index.cjs');

let passed = 0;
let failed = 0;

function test(name, fn) {
  try {
    fn();
    console.log(`  ${name}... PASS`);
    passed++;
  } catch (err) {
    console.error(`  ${name}... FAIL: ${err.message}`);
    failed++;
  }
}

console.log('\n[CJS] Core exports');

test('METHODS exported and has 14 entries', () => {
  assert(Array.isArray(METHODS));
  assert.strictEqual(METHODS.length, 14);
});

test('getTimes returns valid structure', () => {
  const t = getTimes(new Date('2024-06-21'), 40.7128, -74.0060, -4);
  assert(isFinite(t.Fajr), `Fajr=${t.Fajr}`);
  assert(isFinite(t.Sunrise), `Sunrise=${t.Sunrise}`);
  assert(isFinite(t.Maghrib), `Maghrib=${t.Maghrib}`);
  assert(isFinite(t.Isha), `Isha=${t.Isha}`);
  assert(typeof t.angles.fajrAngle === 'number');
});

test('calcTimes returns HH:MM:SS strings', () => {
  const t = calcTimes(new Date('2024-06-21'), 40.7128, -74.0060, -4);
  assert(/^\d{2}:\d{2}:\d{2}$/.test(t.Fajr), `Fajr="${t.Fajr}"`);
  assert(/^\d{2}:\d{2}:\d{2}$/.test(t.Sunrise), `Sunrise="${t.Sunrise}"`);
  assert(/^\d{2}:\d{2}:\d{2}$/.test(t.Maghrib), `Maghrib="${t.Maghrib}"`);
});

test('getTimesAll returns 14 methods', () => {
  const t = getTimesAll(new Date('2024-06-21'), 40.7128, -74.0060, -4);
  assert.strictEqual(Object.keys(t.Methods).length, 14);
});

test('calcTimesAll Methods are string pairs', () => {
  const t = calcTimesAll(new Date('2024-06-21'), 40.7128, -74.0060, -4);
  for (const [fajr, isha] of Object.values(t.Methods)) {
    assert(typeof fajr === 'string');
    assert(typeof isha === 'string');
  }
});

test('getAngles returns bounded angles', () => {
  const a = getAngles(new Date('2024-06-21'), 40.7128, -74.0060);
  assert(a.fajrAngle >= 10 && a.fajrAngle <= 22);
  assert(a.ishaAngle >= 10 && a.ishaAngle <= 22);
});

test('getAsr Hanafi later than Shafii', () => {
  const s = getAsr(12.0, 40.7, 20.0, false);
  const h = getAsr(12.0, 40.7, 20.0, true);
  assert(h > s);
});

test('getQiyam returns a number', () => {
  const q = getQiyam(4.0, 22.0);
  assert(typeof q === 'number');
});

test('getMscFajr returns positive minutes', () => {
  const m = getMscFajr(new Date('2024-06-21'), 40.7);
  assert(m > 0);
});

test('getMscIsha returns positive minutes', () => {
  const m = getMscIsha(new Date('2024-06-21'), 40.7);
  assert(m > 0);
});

test('toJulianDate and solarEphemeris work', () => {
  const jd = toJulianDate(new Date(Date.UTC(2024, 5, 21, 12, 0, 0)));
  const e = solarEphemeris(jd);
  assert(typeof e.decl === 'number');
  assert(typeof e.r === 'number');
  assert(typeof e.eclLon === 'number');
});

test('Makkah all-methods comparison — UAQ Isha = Maghrib + 90min', () => {
  const t = getTimesAll(new Date('2024-06-21'), 21.4225, 39.8262, 3);
  const diff = (t.Methods.UAQ[1] - t.Maghrib) * 60;
  assert(Math.abs(diff - 90) < 2, `UAQ isha diff=${diff}`);
});

const total = passed + failed;
console.log(`\n${'─'.repeat(50)}`);
console.log(`${passed}/${total} CJS tests passed`);

if (failed > 0) {
  process.exit(1);
}