import { expect, test } from 'vitest'

import { normalize } from './normalize.js'

test.each([
	{ name: 'awkweb.eth', expected: 'awkweb.eth' },
	{ name: 'Awkweb.eth', expected: 'awkweb.eth' },
	{ name: '🖖.eth', expected: '🖖.eth' },
	{ name: 'awkw𝝣b.eth', expected: 'awkwξb.eth' },
	{ name: '\u{0061}wkweb.eth', expected: 'awkweb.eth' },
	{ name: '\u{0061}wkw\u{0065}b.eth', expected: 'awkweb.eth' },
	{ name: 'awkweb.eth', expected: 'awkweb.eth' },
	//       ^ latin small "a"
	{ name: 'awkweb.eth', expected: 'awkweb.eth' },
	//           ^ latin small "e"
])("normalize('$name') -> '$expected'", ({ name, expected }) => {
	expect(normalize(name)).toBe(expected)
})

test('invalid label extension', () => {
	expect(() => normalize('34--A.eth')).toThrowErrorMatchingInlineSnapshot(
		'"Invalid label \\"34--A\\"‎: invalid label extension: \\"34--\\""',
	)
})

test('illegal placement: leading combining mark', () => {
	expect(() => normalize('\u{303}.eth')).toThrowErrorMatchingInlineSnapshot(
		'"Invalid label \\"◌̃\\"‎: illegal placement: leading combining mark"',
	)
})

test('underscore allowed only at start', () => {
	expect(() => normalize('a_b_c.eth')).toThrowErrorMatchingInlineSnapshot(
		'"Invalid label \\"a_b_c\\"‎: underscore allowed only at start"',
	)
})