/**
 * Application State Management
 * Central state for the entire application
 * Apenas funções utilitárias - estados são gerenciados em app.js
 */

/**
 * Check if localStorage is available and has space
 * @returns {object} Storage status
 */
function checkStorage() {
    try {
        var testKey = '__storage_test__';
        localStorage.setItem(testKey, testKey);
        localStorage.removeItem(testKey);
        
        var totalSize = 0;
        for (var key in localStorage) {
            if (localStorage.hasOwnProperty(key)) {
                totalSize += localStorage[key].length * 2;
            }
        }
        
        return { available: true, usedBytes: totalSize };
    } catch (error) {
        return { available: false, error: error.message };
    }
}

// Make available globally (only functions)
window.checkStorage = checkStorage;