text: 'use strict'
  
  const isRoughlyEqual = require('is-roughly-equal')
  
  const { createWhen } = require('./lib/util')
  const createClient = require('../..')
  const saarfahrplanProfile = require('../../p/saarfahrplan')
  const products = require('../../p/saarfahrplan/products')
  const {
  	station: createValidateStation,
  	stop: validateStop
  } = require('./lib/validators')
  const createValidate = require('./lib/validate-fptf-with')
  const {test} = require('./lib/util')
  const testJourneysStationToStation = require('./lib/journeys-station-to-station')
  const testJourneysStationToAddress = require('./lib/journeys-station-to-address')
  const testJourneysStationToPoi = require('./lib/journeys-station-to-poi')
  const testEarlierLaterJourneys = require('./lib/earlier-later-journeys')
  const testRefreshJourney = require('./lib/refresh-journey')
  const journeysFailsWithNoProduct = require('./lib/journeys-fails-with-no-product')
  const testJourneysWithDetour = require('./lib/journeys-with-detour')
  const testDepartures = require('./lib/departures')
  const testDeparturesInDirection = require('./lib/departures-in-direction')
  
  const when = createWhen('Europe/Berlin', 'de-DE')
  
  const cfg = {
  	when,
  	// stationCoordsOptional: false, @todo
  	products,
  	minLatitude: 49,
  	maxLatitude: 49.6,
  	minLongitude: 6.1,
  	maxLongitude: 7.5
  }
  
  // @todo validateDirection: search list of stations for direction
  
  const validate = createValidate(cfg)
  
  const assertValidPrice = (t, p) => {
  	t.ok(p)
  	if (p.amount !== null) {
  		t.equal(typeof p.amount, 'number')
  		t.ok(p.amount > 0)
  	}
  	if (p.hint !== null) {
  		t.equal(typeof p.hint, 'string')
  		t.ok(p.hint)
  	}
  }
  
  const client = createClient(saarfahrplanProfile, 'public-transport/hafas-client:test')
  
  const saarbrueckenHbf = '8000323'
  // This seems to be the bus/tram stop. 🙄
  const hauptbahnhofSaarbruecken = '10600'
  const saarlouisHbf = '8005247'
  const metzVille = '8700019'
  const saarbrueckenUhlandstr = '10609'
  
  const thomasMannStr = {
  	type: 'location',
  	address: 'Neunkirchen, Thomas-Mann-Straße 1',
  	latitude: 49.348307,
  	longitude: 7.183613
  }
  
  // @todo prices/tickets
  // @todo journeys, only one product
  
  test('journeys – fails with no product', (t) => {
  	journeysFailsWithNoProduct({
  		test: t,
  		fetchJourneys: client.journeys,
  		fromId: saarbrueckenHbf,
  		toId: saarlouisHbf,
  		when,
  		products
  	})
  	t.end()
  })
  
  test('Saarbrücken Hbf to Neunkirchen, Thomas-Mann-Straße 1', async (t) => {
  	const res = await client.journeys(saarbrueckenHbf, thomasMannStr, {
  		results: 3,
  		departure: when
  	})
  
  	await testJourneysStationToAddress({
  		test: t,
  		res,
  		validate,
  		fromId: saarbrueckenHbf,
  		to: thomasMannStr
  	})
  	t.end()
  })
  
  test('Saarbrücken Hbf to Schlossberghöhlen', async (t) => {
  	const schlossberghoehlen = {
  		type: 'location',
  		id: '9000185',
  		poi: true,
  		name: 'Homburg, Schlossberghöhlen',
  		latitude: 49.32071,
  		longitude: 7.343764
  	}
  	const res = await client.journeys(saarbrueckenHbf, schlossberghoehlen, {
  		results: 3, departure: when
  	})
  
  	await testJourneysStationToPoi({
  		test: t,
  		res,
  		validate,
  		fromId: saarbrueckenHbf,
  		to: schlossberghoehlen
  	})
  	t.end()
  })
  
  test.skip('journeys: via works – with detour', async (t) => {
  	// Going from Stephansplatz to Schottenring via Donauinsel without detour
  	// is currently impossible. We check if the routing engine computes a detour.
  	const stephansplatz = '1390167'
  	const schottenring = '1390163'
  	const donauinsel = '1392277'
  	const donauinselPassed = '922001'
  	const res = await client.journeys(stephansplatz, schottenring, {
  		via: donauinsel,
  		results: 1,
  		departure: when,
  		stopovers: true
  	})
  
  	await testJourneysWithDetour({
  		test: t,
  		res,
  		validate,
  		detourIds: [donauinsel, donauinselPassed]
  	})
  	t.end()
  })
  
  // todo: journeys: via works – without detour
  
  test('earlier/later journeys, Saarbrücken Hbf -> Saarlouis Hbf', async (t) => {
  	await testEarlierLaterJourneys({
  		test: t,
  		fetchJourneys: client.journeys,
  		validate,
  		fromId: saarbrueckenHbf,
  		toId: saarlouisHbf,
  		when
  	})
  
  	t.end()
  })
  
  test('trip details', async (t) => {
  	const res = await client.journeys(saarlouisHbf, metzVille, {
  		results: 1, departure: when
  	})
  
  	const p = res.journeys[0].legs.find(l => !l.walking)
  	t.ok(p.tripId, 'precondition failed')
  	t.ok(p.line.name, 'precondition failed')
  	const trip = await client.trip(p.tripId, p.line.name, { when })
  
  	validate(t, trip, 'trip', 'trip')
  	t.end()
  })
  
  test('departures', async (t) => {
  	const departures = await client.departures(saarbrueckenUhlandstr, {
  		duration: 5, when
  	})
  
  	validate(t, departures, 'departures', 'departures')
  	t.ok(departures.length > 0, 'must be >0 departures')
  	for (let i = 0; i < departures.length; i++) {
  		let stop = departures[i].stop
  		let name = `departures[${i}].stop`
  		if (stop.station) {
  			stop = stop.station
  			name += '.station'
  		}
  
  		t.equal(stop.id, saarbrueckenUhlandstr, name + '.id is invalid')
  	}
  
  	// todo: move into deps validator
  	t.deepEqual(departures, departures.sort((a, b) => t.when > b.when))
  	t.end()
  })
  
  test('departures with stop object', async (t) => {
  	const deps = await client.departures({
  		type: 'stop',
  		id: '8000323',
  		name: 'Saarbrücken Hbf',
  		location: {
  			type: 'location',
  			latitude: 49.241066,
  			longitude: 6.991019
  		}
  	}, {when})
  
  	validate(t, deps, 'departures', 'departures')
  	t.end()
  })
  
  test('departures at Uhlandstr., Saarbrücken in direction of Landwehrplatz', async (t) => {
  	const saarbrueckenLandwehrplatz = '10606'
  	await testDeparturesInDirection({
  		test: t,
  		fetchDepartures: client.departures,
  		fetchTrip: client.trip,
  		id: saarbrueckenUhlandstr,
  		directionIds: [saarbrueckenLandwehrplatz],
  		when,
  		validate
  	})
  	t.end()
  })
  
  // todo: arrivals
  
  test('nearby Saarbrücken Hbf', async (t) => {
  	const nearby = await client.nearby({
  		type: 'location',
  		latitude: 49.241066,
  		longitude: 6.991019
  	}, {
  		results: 5, distance: 400
  	})
  
  	validate(t, nearby, 'locations', 'nearby')
  	t.equal(nearby.length, 5)
  
  	const s = nearby[0]
  	t.equal(s.id, saarbrueckenHbf, 'id should be ' + saarbrueckenHbf)
  	t.equal(s.name, 'Saarbrücken Hbf')
  	t.ok(isRoughlyEqual(0.0005, s.location.latitude, 49.241066))
  	t.ok(isRoughlyEqual(0.0005, s.location.longitude, 6.991019))
  	t.ok(s.distance >= 0)
  	t.ok(s.distance <= 100)
  
  	t.end()
  })
  
  test('locations named Saarbrücken', async (t) => {
  	const aufDerWerthBürgerpark = '10204'
  	const locations = await client.locations('bürgerpark', {
  		results: 20
  	})
  
  	validate(t, locations, 'locations', 'locations')
  	t.ok(locations.length <= 20)
  
  	t.ok(locations.find(s => s.type === 'stop' || s.type === 'station'))
  	t.ok(locations.find(s => s.poi)) // POIs
  	t.ok(locations.some((s) => {
  		return s.station && s.station.id === aufDerWerthBürgerpark || s.id === aufDerWerthBürgerpark
  	}))
  
  	t.end()
  })
  
  test('stop', async (t) => {
  	const s = await client.stop(saarbrueckenUhlandstr)
  
  	validate(t, s, ['stop', 'station'], 'stop')
  	t.equal(s.id, saarbrueckenUhlandstr)
  
  	t.end()
  })
  
  test('radar', async (t) => {
  	const vehicles = await client.radar({
  		north: 49.27,
  		west: 6.97,
  		south: 49.22,
  		east: 7.02
  	}, {
  		duration: 5 * 60, when
  	})
  
  	validate(t, vehicles, 'movements', 'vehicles')
  	t.end()
  })
  