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

const { validatePassengerTelemetryPayload } = require('../src/services/passengerTelemetryValidator');

const NOW = new Date('2026-05-20T12:30:00Z');

test('validates and normalizes passenger telemetry payload', () => {
  const payload = validatePassengerTelemetryPayload({
    session_id: ' temporary-anonymous-id ',
    latitude: '55.485',
    longitude: '28.768',
    accuracy_m: '18.5',
    speed_kmh: '32',
    heading: '91',
    observed_at: '2026-05-20T12:29:30Z',
    route_id: '12',
    stop_id: '123',
    app_state: 'foreground'
  }, { now: NOW });

  assert.equal(payload.sessionId, 'temporary-anonymous-id');
  assert.equal(payload.latitude, 55.485);
  assert.equal(payload.longitude, 28.768);
  assert.equal(payload.accuracyM, 18.5);
  assert.equal(payload.speedKmh, 32);
  assert.equal(payload.heading, 91);
  assert.equal(payload.routeId, 12);
  assert.equal(payload.stopId, 123);
  assert.equal(payload.appState, 'foreground');
});

test('rejects invalid latitude and longitude', () => {
  assert.throws(() => validatePassengerTelemetryPayload({
    session_id: 's1',
    latitude: 91,
    longitude: 28.768
  }, { now: NOW }), /latitude must be between -90 and 90/);

  assert.throws(() => validatePassengerTelemetryPayload({
    session_id: 's1',
    latitude: 55.485,
    longitude: 181
  }, { now: NOW }), /longitude must be between -180 and 180/);
});

test('rejects stale and far-future observations', () => {
  assert.throws(() => validatePassengerTelemetryPayload({
    session_id: 's1',
    latitude: 55.485,
    longitude: 28.768,
    observed_at: '2026-05-20T12:10:00Z'
  }, { now: NOW }), /observed_at is too old/);

  assert.throws(() => validatePassengerTelemetryPayload({
    session_id: 's1',
    latitude: 55.485,
    longitude: 28.768,
    observed_at: '2026-05-20T12:40:00Z'
  }, { now: NOW }), /observed_at is too far in the future/);
});

test('rejects implausible city transit speed', () => {
  assert.throws(() => validatePassengerTelemetryPayload({
    session_id: 's1',
    latitude: 55.485,
    longitude: 28.768,
    speed_kmh: 180
  }, { now: NOW }), /speed_kmh must be between 0 and 120/);
});