/**
 * Airhub App - Main JavaScript
 * Premium IoT Device Control Center
 */

// ========================================
// App State
// ========================================
const AppState = {
    currentPage: 'home',
    isConnecting: false,
    connectedDevice: null,
};

// ========================================
// Page Navigation
// ========================================
function navigateTo(pageId) {
    const pages = document.querySelectorAll('.page');
    pages.forEach(page => page.classList.remove('active'));

    const targetPage = document.getElementById(`page-${pageId}`);
    if (targetPage) {
        targetPage.classList.add('active');
        AppState.currentPage = pageId;
    }
}

// ========================================
// Connect Button Handler
// ========================================
function handleConnect() {
    if (AppState.isConnecting) return;

    AppState.isConnecting = true;
    const btn = document.getElementById('connect-btn');
    const btnText = btn.querySelector('.btn-text');

    // Add brief feedback before navigating
    btn.style.pointerEvents = 'none';
    btnText.textContent = '正在搜索...';

    // Navigate to Bluetooth search page
    setTimeout(() => {
        window.location.href = 'bluetooth.html';
    }, 300);
}

// ========================================
// Initialization
// ========================================
document.addEventListener('DOMContentLoaded', () => {
    console.log('Airhub App initialized');

    // Add touch feedback for mobile
    const buttons = document.querySelectorAll('button');
    buttons.forEach(btn => {
        btn.addEventListener('touchstart', () => {
            btn.style.transform = 'scale(0.98)';
        });
        btn.addEventListener('touchend', () => {
            btn.style.transform = '';
        });
    });
});