import * as lang from './language';

test('correctly output basic vowels', () => {
	expect(lang.vowelFeaturesToIpa({
		height: lang.VowelHeight.Close,
		depth: lang.VowelDepth.Front,
		round: false,
		long: false,
		nasal: false,
	})).toBe('i');
	expect(lang.vowelFeaturesToIpa({
		height: lang.VowelHeight.Mid,
		depth: lang.VowelDepth.Central,
		round: false,
		long: false,
		nasal: false,
	})).toBe('ə');
	expect(lang.vowelFeaturesToIpa({
		height: lang.VowelHeight.Open,
		depth: lang.VowelDepth.Back,
		round: true,
		long: false,
		nasal: true,
	})).toBe('ɒ̃');
	expect(lang.vowelFeaturesToIpa({
		height: lang.VowelHeight.CloseMid,
		depth: lang.VowelDepth.Front,
		round: false,
		long: true,
		nasal: false,
	})).toBe('eː');

});


test('correctly output basic consonants', () => {
	expect(lang.consonantFeaturesToIpa({
		place: lang.ConsonantPlace.Bilabial,
		manner: lang.ConsonantManner.Nasal,
		voice: true,
	})).toBe('m');
	expect(lang.consonantFeaturesToIpa({
		place: lang.ConsonantPlace.Uvular,
		manner: lang.ConsonantManner.NonSibilantFricative,
		voice: true,
	})).toBe('ʁ');
	expect(lang.consonantFeaturesToIpa({
		place: lang.ConsonantPlace.Velar,
		manner: lang.ConsonantManner.Plosive,
		voice: false,
	})).toBe('k');
});


test('fail to output impossible consonants', () => {
	expect(lang.consonantFeaturesToIpa({
		place: lang.ConsonantPlace.Retroflex,
		manner: lang.ConsonantManner.NonSibilantAffricate,
		voice: false,
	})).toBe('');
	expect(lang.consonantFeaturesToIpa({
		place: lang.ConsonantPlace.Labiodental,
		manner: lang.ConsonantManner.Trill,
		voice: true,
	})).toBe('');
	expect(lang.consonantFeaturesToIpa({
		place: lang.ConsonantPlace.Palatal,
		manner: lang.ConsonantManner.Approximant,
		voice: false,
	})).toBe('');
});


test('all consonants can be selected', () => {
	expect(lang.pickConsonants(
		[ lang.ConsonantPlace.Bilabial ],
		[ lang.ConsonantManner.Nasal ],
		[ true, true ],
	)).toEqual([
		{
			place: lang.ConsonantPlace.Bilabial,
			manner: lang.ConsonantManner.Nasal,
			voice: false,
		},
		{
			place: lang.ConsonantPlace.Bilabial,
			manner: lang.ConsonantManner.Nasal,
			voice: true,
		},
	]);

	expect(lang.pickConsonants(
		[ lang.ConsonantPlace.Labiodental ],
		[ 
			lang.ConsonantManner.Nasal,
			lang.ConsonantManner.Plosive,
			lang.ConsonantManner.SibilantAffricate,
			lang.ConsonantManner.NonSibilantAffricate,
			lang.ConsonantManner.SibilantFricative,
			lang.ConsonantManner.NonSibilantFricative,
			lang.ConsonantManner.Approximant,
			lang.ConsonantManner.Tap,
			lang.ConsonantManner.Trill,
			lang.ConsonantManner.LateralAffricate,
			lang.ConsonantManner.LateralFricative,
			lang.ConsonantManner.LateralApproximant,
			lang.ConsonantManner.LateralTap,
		],
		[ true, false ],
	)).toEqual([
		{
			place: lang.ConsonantPlace.Labiodental,
			manner: lang.ConsonantManner.Nasal,
			voice: false,
		},
		{
			place: lang.ConsonantPlace.Labiodental,
			manner: lang.ConsonantManner.Plosive,
			voice: false,
		},
		{
			place: lang.ConsonantPlace.Labiodental,
			manner: lang.ConsonantManner.NonSibilantAffricate,
			voice: false,
		},
		{
			place: lang.ConsonantPlace.Labiodental,
			manner: lang.ConsonantManner.NonSibilantFricative,
			voice: false,
		},
	]);

	expect(lang.pickConsonants(
		[ lang.ConsonantPlace.Bilabial, lang.ConsonantPlace.Alveolar ],
		[ lang.ConsonantManner.Plosive, lang.ConsonantManner.Tap ],
		[ true, true ],
	).map(lang.consonantFeaturesToIpa)).toEqual([
		'p', 'b', 'ⱱ̟', 't', 'd', 'ɾ̥', 'ɾ',
	]);
});


test('vowel positions work correctly', () => {
	expect(
		lang._vowelXY(lang.VowelHeight.Open, lang.VowelDepth.Back)
	).toEqual([0, 0]);
	expect(
		lang._vowelXY(lang.VowelHeight.NearOpen, lang.VowelDepth.Central)
	).toEqual([1.5, 1]);
	expect(
		lang._vowelXY(lang.VowelHeight.Close, lang.VowelDepth.Front)
	).toEqual([8, 6]);
	expect(
		lang._vowelXY(lang.VowelHeight.Close, lang.VowelDepth.Back)
	).toEqual([0, 6]);
});