SteelBase/public/js/core/state.js

/**
 * Application State Management
 * Central state for the entire application
 */

// Main application state
var appState = {
    history: [],
    favorites: [],
    budgetItems: [],
    currentSection: 'cev',
    currentTheme: 'dark',
    expertMode: false,
    currentSidebarTab: 0
};

// User preferences (persisted to localStorage)
var userPreferences = {
    theme: 'dark',
    colorScheme: 'default',
    fontSize: 'medium',
    fontFamily: 'default'
};

// Load preferences from localStorage
function loadPreferences() {
    try {
        var saved = localStorage.getItem('acoCalcPreferences');
        if (saved) {
            var parsed = JSON.parse(saved);
            for (var key in parsed) {
                if (parsed.hasOwnProperty(key)) {
                    userPreferences[key] = parsed[key];
                }
            }
        }
    } catch (e) {
        console.warn('Nao foi possivel carregar preferencias:', e);
    }
}

// Save preferences to localStorage
function savePreferences() {
    try {
        localStorage.setItem('acoCalcPreferences', JSON.stringify(userPreferences));
    } catch (e) {
        console.warn('Nao foi possivel salvar preferencias:', e);
    }
}

// Admin configuration
var adminConfig = {
    appName: 'SteelBase',
    appSubtitle: 'Plataforma Tecnica com Base de Dados de Materiais Brasileiros',
    footerText: '© 2025 SteelBase v7.5 PROFESSIONAL EDITION - Plataforma Tecnica com Base de Dados de Materiais Brasileiros',
    themeDefault: 'escuro',
    modeDefault: 'simples',
    toolsVisibility: {
        'cev': true,
        'seletor': true,
        'equivalencias': false,
        'comparativo': false,
        'parafusos': true,
        'layout': true,
        'parafuso-vs-solda': false,
        'preaquecimento': true,
        'dureza': true,
        'charpy': true,
        'certificado': false,
        'ultrassom': false,
        'area-pintura': true,
        'consumo-tinta': true,
        'galvanizacao': false,
        'custo-pintura': true,
        'secagem': false,
        'inspecao-pintura': false,
        'orcamento': true,
        'peso-rigging': false,
        'referencia': false
    }
};

/**
 * Update app state
 * @param {string} key - State key
 * @param {any} value - New value
 */
function updateState(key, value) {
    appState[key] = value;
}

/**
 * Get state value
 * @param {string} key - State key
 * @returns {any} State value
 */
function getState(key) {
    return appState[key];
}

/**
 * Update user preferences
 * @param {string} key - Preference key
 * @param {any} value - New value
 */
function updatePreference(key, value) {
    userPreferences[key] = value;
}

/**
 * Get preference value
 * @param {string} key - Preference key
 * @returns {any} Preference value
 */
function getPreference(key) {
    return userPreferences[key];
}

/**
 * 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
window.appState = appState;
window.userPreferences = userPreferences;
window.loadPreferences = loadPreferences;
window.savePreferences = savePreferences;
window.adminConfig = adminConfig;
window.updateState = updateState;
window.getState = getState;
window.updatePreference = updatePreference;
window.getPreference = getPreference;
window.checkStorage = checkStorage;