import { describe, expect, it } from 'vitest';
import { awayDurationOk, browserOffset, isOffsetZone, validDisplayName, validEmail } from './profileValidation';

describe('validDisplayName', () => {
  it.each([
    ['Kaya', true],
    ['Кая', true],
    ['Name_P. Last', true],
    ['Mr.Smith', true],
    ['Mr. Smith', true],
    ['  Kaya  ', true],
    ['Name P._Last', false],
    ['Name  Last', false],
    ['_Name', false],
    ['Anna B.', true],
    ['Name.', true],
    ['Name..', false],
    ['Name_', false],
    ['Name2', false],
    ['', false],
    ['a'.repeat(33), false],
  ])('%s -> %s', (name, ok) => {
    expect(validDisplayName(name)).toBe(ok);
  });
});

describe('validEmail', () => {
  it('accepts a normal address', () => expect(validEmail('you@example.com')).toBe(true));
  it('rejects a missing domain', () => expect(validEmail('you@')).toBe(false));
  it('rejects spaces', () => expect(validEmail('a b@x.com')).toBe(false));
});

describe('awayDurationOk', () => {
  it.each([
    ['22:00', '06:00', true],
    ['00:00', '12:00', true],
    ['08:00', '21:00', false],
    ['07:00', '07:00', true],
    ['20:00', '09:00', false],
  ])('%s-%s -> %s', (s, e, ok) => expect(awayDurationOk(s, e)).toBe(ok));
});

describe('timezone helpers', () => {
  it('detects offset zones', () => {
    expect(isOffsetZone('+03:00')).toBe(true);
    expect(isOffsetZone('Europe/Moscow')).toBe(false);
  });
  it('formats the browser offset as ±HH:MM', () => {
    expect(browserOffset()).toMatch(/^[+-]\d{2}:\d{2}$/);
  });
});