import { describe, expect, it } from 'vitest';

import {
  formatCooldown,
  formatDuration,
  formatMultiplier,
  formatScore,
  formatSequence,
  sanitizeName,
  validateName,
} from '../../app/static/js/logic/format.js';

describe('Formatierung', () => {
  it('formatiert Punkte mit Tausenderpunkt', () => {
    expect(formatScore(0)).toBe('0');
    expect(formatScore(1234567)).toBe('1.234.567');
    expect(formatScore(-5)).toBe('0');
  });

  it('formatiert Dauer als m:ss', () => {
    expect(formatDuration(0)).toBe('0:00');
    expect(formatDuration(65_400)).toBe('1:05');
    expect(formatDuration(3_600_000)).toBe('60:00');
  });

  it('formatiert Richtungsfolgen als Pfeile', () => {
    expect(formatSequence(['up', 'right', 'down', 'left'])).toBe('↑ → ↓ ←');
    expect(formatSequence(['left', 'left'], '  ')).toBe('←  ←');
    expect(formatSequence(['quer'])).toBe('?');
  });

  it('formatiert Multiplikator und Abklingzeit mit Dezimalkomma', () => {
    expect(formatMultiplier(1)).toBe('×1');
    expect(formatMultiplier(2.5)).toBe('×2,5');
    expect(formatCooldown(0)).toBe('');
    expect(formatCooldown(12_100)).toBe('13');
    expect(formatCooldown(800)).toBe('0,8');
  });
});

// Dieselben Fälle wie tests/test_validation.py – Frontend und Backend müssen gleich bereinigen.
describe('sanitizeName (gleich wie Backend)', () => {
  const ZWSP = String.fromCodePoint(0x200b);
  const RLO = String.fromCodePoint(0x202e);
  const cases = [
    ['Ada', 'Ada'],
    ['  Max    Muster  ', 'Max Muster'],
    ['Jürg Größli', 'Jürg Größli'],
    ['Ｆｕｌｌｗｉｄｔｈ', 'Fullwidth'],
    ['Null\u0000Byte', 'NullByte'],
    [`Zero${ZWSP}Width`, 'ZeroWidth'],
    [`Bidi${RLO}Trick`, 'BidiTrick'],
    ['Tab\tNeu\nZeile', 'TabNeuZeile'],
    ['<script>alert(1)</script>', 'scriptalert1script'],
    ["O'Neil-Test!?", "O'Neil-Test!?"],
    ['Emoji 🚀 Held', 'Emoji Held'],
    ['', ''],
  ];
  it.each(cases)('%j → %j', (raw, expected) => {
    expect(sanitizeName(raw)).toBe(expected);
  });
});

describe('validateName', () => {
  it('akzeptiert gültige Namen bis 16 Zeichen', () => {
    expect(validateName('  Kadettin Ada ')).toEqual({ ok: true, name: 'Kadettin Ada' });
    expect(validateName('N'.repeat(16)).ok).toBe(true);
  });

  it('lehnt leere und zu lange Namen ab', () => {
    expect(validateName('   ').ok).toBe(false);
    expect(validateName('<>').ok).toBe(false);
    expect(validateName('N'.repeat(17)).ok).toBe(false);
  });
});