Add game feature: Implement Flag Quiz and Game selection page with theme support

This commit is contained in:
sHa
2025-08-11 03:04:50 +03:00
parent 39cbaa32e1
commit f9182a6867
5 changed files with 1181 additions and 30 deletions

786
src/pages/FlagQuiz.svelte Normal file
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<script>
import { onMount } from 'svelte';
import Header from '../components/Header.svelte';
// Game data
let flags = [];
let currentQuestion = null;
let questionType = 'flag-to-country'; // 'flag-to-country' or 'country-to-flag'
// Question and answer arrays
let currentCountryOptions = [];
let currentFlagOptions = [];
let correctAnswer = '';
// Game states
let gameState = 'loading'; // 'loading', 'question', 'answered', 'finished'
let selectedAnswer = null;
let answered = false;
let isAnswered = false;
let resultMessage = '';
let showResult = false;
let timeoutId = null;
// Scoring
let score = { correct: 0, total: 0, skipped: 0 };
let gameStats = { correct: 0, wrong: 0, total: 0, skipped: 0 };
// Settings
let autoAdvance = true;
let showSettings = false;
let settingsLoaded = false;
// Theme
let theme = 'system';
function setTheme(t) {
localStorage.setItem('theme', t);
applyTheme(t);
theme = t;
}
// Save settings when they change (after initial load)
$: if (settingsLoaded) {
localStorage.setItem('flagQuizSettings', JSON.stringify({ autoAdvance }));
}
// Load game stats from localStorage
onMount(async () => {
// Initialize theme
theme = localStorage.getItem('theme') || 'system';
applyTheme(theme);
// Set window.appData for header compatibility
if (typeof window !== 'undefined') {
window.appData = {
...window.appData,
collection: 'flags',
setCollection: () => {},
theme,
setTheme
};
// Load saved game stats
const savedStats = localStorage.getItem('flagQuizStats');
if (savedStats) {
try {
const loadedStats = JSON.parse(savedStats);
// Ensure backward compatibility for skipped field
gameStats = {
correct: loadedStats.correct || 0,
wrong: loadedStats.wrong || 0,
total: loadedStats.total || 0,
skipped: loadedStats.skipped || 0
};
} catch (e) {
console.error('Error loading game stats:', e);
}
}
// Load settings
const savedSettings = localStorage.getItem('flagQuizSettings');
if (savedSettings) {
try {
const settings = JSON.parse(savedSettings);
autoAdvance = settings.autoAdvance !== undefined ? settings.autoAdvance : true;
} catch (e) {
console.error('Error loading settings:', e);
}
}
}
await loadFlags();
generateQuestion();
settingsLoaded = true;
});
function applyTheme(theme) {
let effectiveTheme = theme;
if (theme === 'system') {
effectiveTheme = window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light';
}
document.documentElement.setAttribute('data-theme', effectiveTheme);
document.documentElement.className = effectiveTheme;
}
async function loadFlags() {
try {
const response = await fetch('/data/flags.json');
const data = await response.json();
// Filter for only country flags (has "Country" tag) and ensure we have country name
flags = data.filter(flag =>
!flag.disable &&
flag.meta?.country &&
flag.tags &&
flag.tags.includes('Country')
);
// Remove duplicates based on country name
const uniqueFlags = [];
const seenCountries = new Set();
for (const flag of flags) {
const countryName = flag.meta.country.toLowerCase().trim();
if (!seenCountries.has(countryName)) {
seenCountries.add(countryName);
uniqueFlags.push(flag);
}
}
flags = uniqueFlags;
console.log(`Loaded ${flags.length} unique country flags for quiz`);
} catch (error) {
console.error('Error loading flags:', error);
flags = [];
}
}
function generateQuestion() {
if (flags.length < 4) {
console.error('Not enough flags to generate question');
return;
}
gameState = 'question';
showResult = false;
selectedAnswer = null;
correctAnswer = null;
answered = false;
// Randomly choose question type
questionType = Math.random() < 0.5 ? 'flag-to-country' : 'country-to-flag';
// Pick a random correct answer
const correctFlag = flags[Math.floor(Math.random() * flags.length)];
const correctCountry = getCountryName(correctFlag).toLowerCase();
// Generate 3 wrong answers ensuring no duplicate country names
const wrongAnswers = [];
const usedCountries = new Set([correctCountry]);
while (wrongAnswers.length < 3 && wrongAnswers.length < flags.length - 1) {
const randomFlag = flags[Math.floor(Math.random() * flags.length)];
const randomCountry = getCountryName(randomFlag).toLowerCase();
if (randomFlag !== correctFlag &&
!wrongAnswers.includes(randomFlag) &&
!usedCountries.has(randomCountry)) {
wrongAnswers.push(randomFlag);
usedCountries.add(randomCountry);
}
}
// Ensure we have enough options
if (wrongAnswers.length < 3) {
console.warn(`Only found ${wrongAnswers.length + 1} unique countries, regenerating...`);
// Try again
generateQuestion();
return;
}
// Shuffle all options
const allOptions = [correctFlag, ...wrongAnswers].sort(() => Math.random() - 0.5);
currentQuestion = {
type: questionType,
correct: correctFlag,
options: allOptions,
correctIndex: allOptions.indexOf(correctFlag)
};
console.log('Generated question:', currentQuestion);
} function selectAnswer(index) {
if (gameState !== 'question') return;
selectedAnswer = index;
correctAnswer = currentQuestion.correctIndex;
showResult = true;
gameState = 'answered';
answered = true;
// Update score
score.total++;
const isCorrect = index === correctAnswer;
if (isCorrect) {
score.correct++;
gameStats.correct++;
} else {
gameStats.wrong++;
}
gameStats.total++;
// Save stats to localStorage
localStorage.setItem('flagQuizStats', JSON.stringify(gameStats));
// Auto-advance to next question with different delays if auto mode is on
if (autoAdvance) {
const delay = isCorrect ? 2000 : 4000; // Double delay for wrong answers
setTimeout(() => {
generateQuestion();
}, delay);
}
}
function skipQuestion() {
if (gameState !== 'question') return;
// Update skip counters
score.skipped++;
gameStats.skipped++;
gameStats.total++;
// Save stats to localStorage
localStorage.setItem('flagQuizStats', JSON.stringify(gameStats));
// Move to next question immediately
generateQuestion();
}
function resetGame() {
score = { correct: 0, total: 0, skipped: 0 };
generateQuestion();
}
function resetStats() {
gameStats = { correct: 0, wrong: 0, total: 0, skipped: 0 };
localStorage.setItem('flagQuizStats', JSON.stringify(gameStats));
}
function saveSettings() {
const settings = { autoAdvance };
localStorage.setItem('flagQuizSettings', JSON.stringify(settings));
}
function toggleSettings() {
showSettings = !showSettings;
}
function handleOverlayClick(event) {
if (event.target === event.currentTarget) {
toggleSettings();
}
}
function handleOverlayKeydown(event) {
if (event.key === 'Escape') {
toggleSettings();
}
}
function resetAllStats() {
gameStats = { correct: 0, wrong: 0, skipped: 0 };
score = { correct: 0, total: 0, skipped: 0 };
localStorage.setItem('flagQuizStats', JSON.stringify(gameStats));
showSettings = false;
}
function nextQuestion() {
generateQuestion();
}
function getCountryName(flag) {
return flag.meta?.country || flag.name || 'Unknown';
}
function getFlagImage(flag) {
return `/images/flags/${flag.path}`;
}
</script>
<Header {theme} {setTheme} {score} {gameStats} />
<main class="flag-quiz">
<div class="container">
<!-- Settings Popup -->
{#if showSettings}
<div
class="settings-overlay"
on:click={handleOverlayClick}
tabindex="0"
role="button"
aria-label="Close settings (click background or press Escape)"
on:keydown={handleOverlayKeydown}
>
<div
class="settings-modal"
role="dialog"
aria-modal="true"
aria-labelledby="settings-title"
>
<div class="settings-header">
<h2 id="settings-title">⚙️ Game Settings</h2>
<button class="close-btn" on:click={toggleSettings}>✕</button>
</div>
<div class="settings-content">
<div class="setting-item">
<label>
<input
type="checkbox"
bind:checked={autoAdvance}
/>
Auto-advance to next question after answering
</label>
</div>
<div class="setting-actions">
<button class="reset-stats-btn" on:click={resetAllStats}>
Reset All Statistics
</button>
</div>
</div>
</div>
</div>
{/if}
{#if gameState === 'loading'}
<div class="loading">Loading flags...</div>
{:else if currentQuestion}
<div class="question-container">
<div class="question-header">
<div class="question-number">Question {score.total + 1}</div>
<div class="question-type">
{currentQuestion.type === 'flag-to-country' ? 'Which country does this flag belong to?' : 'Which flag belongs to this country?'}
</div>
</div>
<!-- Fixed height result area -->
<div class="result-area">
{#if showResult}
<div class="result">
{#if selectedAnswer === correctAnswer}
<div class="correct-result">✅ Correct!</div>
{:else}
<div class="wrong-result">
❌ Wrong!
{#if currentQuestion.type === 'flag-to-country'}
The correct answer is: {getCountryName(currentQuestion.correct)}.
{:else}
You selected the {getCountryName(currentQuestion.options[selectedAnswer])} flag.
{/if}
</div>
{/if}
</div>
{/if}
</div>
{#if currentQuestion.type === 'flag-to-country'}
<div class="flag-display">
<img src={getFlagImage(currentQuestion.correct)} alt="Flag" class="quiz-flag" />
</div>
<div class="options">
{#each currentQuestion.options as option, index}
<button
class="option"
class:selected={selectedAnswer === index}
class:correct={showResult && index === correctAnswer}
class:wrong={showResult && selectedAnswer === index && index !== correctAnswer}
on:click={() => selectAnswer(index)}
disabled={gameState === 'answered'}
>
{getCountryName(option)}
</button>
{/each}
</div>
{:else}
<div class="country-display">
<h2 class="country-name">{getCountryName(currentQuestion.correct)}</h2>
</div>
<div class="flag-options">
{#each currentQuestion.options as option, index}
<button
class="flag-option"
class:selected={selectedAnswer === index}
class:correct={showResult && index === correctAnswer}
class:wrong={showResult && selectedAnswer === index && index !== correctAnswer}
on:click={() => selectAnswer(index)}
disabled={gameState === 'answered'}
>
<img src={getFlagImage(option)} alt={getCountryName(option)} class="option-flag" />
</button>
{/each}
</div>
{/if}
{#if gameState === 'question'}
<button class="btn btn-skip btn-next-full" on:click={skipQuestion}>Skip Question</button>
{:else if !autoAdvance && gameState === 'answered'}
<button class="btn btn-primary btn-next-full" on:click={nextQuestion}>Next Question →</button>
{/if}
</div>
{/if}
<div class="controls">
<button class="btn btn-secondary" on:click={resetGame}>New Session</button>
<button class="btn btn-secondary" on:click={toggleSettings} title="Settings">Settings</button>
<a href="#/game" class="btn btn-primary">Back to Games</a>
</div>
</main>
<style>
.flag-quiz {
min-height: 100vh;
background: var(--color-bg-primary);
color: var(--color-text-primary);
}
.container {
max-width: 800px;
margin: 0 auto;
padding: 1.25rem 1rem;
}
/* Removed header-top/settings-btn styles; settings now lives in controls */
.settings-overlay {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: rgba(0, 0, 0, 0.5);
display: flex;
justify-content: center;
align-items: center;
z-index: 1000;
}
.settings-modal {
background: var(--color-bg-secondary);
border: 2px solid var(--color-border);
border-radius: 1rem;
padding: 0;
max-width: 500px;
width: 90%;
max-height: 80vh;
overflow-y: auto;
box-shadow: 0 10px 24px rgba(0,0,0,0.25);
}
.settings-header {
display: flex;
justify-content: space-between;
align-items: center;
padding: 1.5rem;
border-bottom: 2px solid var(--color-border);
}
.settings-header h2 {
margin: 0;
color: var(--color-text-primary);
}
.close-btn {
background: none;
border: none;
font-size: 1.5rem;
cursor: pointer;
color: var(--color-text-primary);
padding: 0.25rem;
border-radius: 0.25rem;
transition: background-color 0.3s ease;
}
.close-btn:hover {
background-color: var(--color-border);
}
.settings-content {
padding: 1.5rem;
}
.setting-item {
margin-bottom: 1.5rem;
}
.setting-item label {
display: flex;
align-items: center;
gap: 0.75rem;
font-size: 1rem;
color: var(--color-text-primary);
cursor: pointer;
}
.setting-item input[type="checkbox"] {
width: 1.2rem;
height: 1.2rem;
cursor: pointer;
}
.setting-actions {
border-top: 2px solid var(--border-color);
padding-top: 1.5rem;
text-align: center;
}
.reset-stats-btn {
background: #ff4444;
color: white;
border: none;
border-radius: 0.5rem;
padding: 0.75rem 1.5rem;
font-size: 1rem;
cursor: pointer;
transition: background-color 0.3s ease;
}
.reset-stats-btn:hover {
background: #cc3333;
}
.loading {
text-align: center;
font-size: 1.5rem;
color: var(--color-text-secondary);
margin: 3rem 0;
}
.question-container {
background: var(--color-bg-secondary);
border-radius: 16px;
padding: 2rem;
margin-bottom: 1rem;
border: 1px solid var(--color-border);
}
.question-header {
text-align: center;
margin-bottom: 1rem;
}
.question-number {
font-size: 0.9rem;
color: var(--color-text-secondary);
margin-bottom: 0.5rem;
}
.question-type {
font-size: 1.3rem;
font-weight: 600;
color: var(--color-text-primary);
}
.result-area {
min-height: 1rem;
display: flex;
align-items: center;
justify-content: center;
margin-bottom: 1rem;
}
.flag-display {
text-align: center;
margin-bottom: 2rem;
}
.quiz-flag {
width: 400px;
height: auto;
/* max-height: 240px; */
object-fit: contain;
border: 2px solid var(--color-border);
border-radius: 8px;
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
padding: 1rem;
}
.country-display {
text-align: center;
margin-bottom: 2rem;
}
.country-name {
font-size: 2rem;
font-weight: 600;
color: var(--color-text-primary);
margin: 0;
}
.options {
display: grid;
gap: 1rem;
grid-template-columns: 1fr 1fr;
}
.option {
background: var(--color-bg-primary);
border: 2px solid var(--color-border);
border-radius: 8px;
padding: 1rem;
font-size: 1.1rem;
color: var(--color-text-primary);
cursor: pointer;
transition: all 0.3s ease;
}
.option:hover:not(:disabled) {
border-color: var(--color-primary);
background: var(--color-bg-hover);
}
.option.selected {
border-color: var(--color-primary);
background: var(--color-primary-light);
}
.option.correct {
border-color: #22c55e;
background: #22c55e;
color: white;
}
.option.wrong {
border-color: #ef4444;
background: #ef4444;
color: white;
}
.flag-options {
display: grid;
gap: 1rem;
grid-template-columns: 1fr 1fr;
}
.flag-option {
background: var(--color-bg-primary);
border: 2px solid var(--color-border);
border-radius: 8px;
padding: 1rem;
cursor: pointer;
transition: all 0.3s ease;
/* aspect-ratio: 3/2; */
display: flex;
align-items: center;
justify-content: center;
}
.flag-option:hover:not(:disabled) {
border-color: var(--color-primary);
background: var(--color-bg-hover);
}
.flag-option.selected {
border-color: var(--color-primary);
background: var(--color-primary-light);
}
.flag-option.correct {
border-color: #22c55e;
background: #22c55e;
}
.flag-option.wrong {
border-color: #ef4444;
background: #ef4444;
}
.option-flag {
max-width: 100%;
max-height: 100%;
object-fit: contain;
border-radius: 4px;
}
.result {
text-align: center;
font-size: 1.2rem;
font-weight: 600;
}
.correct-result {
color: #22c55e;
}
.wrong-result {
color: #ef4444;
}
.controls {
display: flex;
justify-content: center;
gap: 1rem;
flex-wrap: wrap;
}
.btn {
padding: 0.75rem 1.5rem;
border: none;
border-radius: 8px;
font-weight: 600;
cursor: pointer;
text-decoration: none;
display: inline-block;
transition: all 0.3s ease;
}
.btn-primary {
background: var(--color-primary);
color: white;
}
.btn-primary:hover {
background: var(--color-primary-dark);
}
.btn-next-full {
display: block;
width: 100%;
margin-top: 1rem;
text-align: center;
}
.btn-secondary {
background: var(--color-bg-secondary);
color: var(--color-text-primary);
border: 1px solid var(--color-border);
}
.btn-secondary:hover {
background: var(--color-bg-hover);
}
.btn-skip {
background: var(--color-text-secondary);
color: var(--color-bg-primary);
opacity: 0.8;
}
.btn-skip:hover {
opacity: 1;
background: var(--color-text-primary);
}
@media (max-width: 768px) {
.container {
padding: 0.75rem;
padding-top: 0.75rem;
}
.options {
grid-template-columns: 1fr;
}
/* Keep 2x2 grid for Country-to-Flag on mobile */
.flag-options {
grid-template-columns: 1fr 1fr;
}
.quiz-flag {
width: 300px;
max-height: 180px;
}
.controls {
flex-direction: row;
flex-wrap: nowrap;
overflow-x: auto;
-webkit-overflow-scrolling: touch;
justify-content: center;
}
}
</style>