/**
 * Application constants and configuration values
 * Centralizes magic numbers, API endpoints, and default settings
 */

const Constants = {
    // Server configuration
    PORT: 3002,
    API_BASE_URL: 'http://localhost:3002',
    
    // API Endpoints
    ENDPOINTS: {
        DEPARTURES: '/api/departures',
        SITES_SEARCH: '/api/sites/search',
        SITES_NEARBY: '/api/sites/nearby',
        CONFIG_UPDATE: '/api/config/update'
    },
    
    // External API URLs
    EXTERNAL_APIS: {
        SL_TRANSPORT_BASE: 'https://transport.integration.sl.se/v1',
        OPENWEATHERMAP_BASE: 'https://api.openweathermap.org/data/2.5'
    },
    
    // Refresh intervals (in milliseconds)
    REFRESH: {
        DEPARTURES: 5000, // 5 seconds
        WEATHER: 30 * 60 * 1000, // 30 minutes
        DARK_MODE_CHECK: 60000 // 1 minute
    },
    
    // Default location (Stockholm, Sweden)
    DEFAULT_LOCATION: {
        LATITUDE: 59.3293,
        LONGITUDE: 18.0686,
        NAME: 'Stockholm'
    },
    
    // Default site configuration
    DEFAULT_SITE: {
        ID: '1411',
        NAME: 'Ambassaderna'
    },
    
    // Default search radius (in meters)
    DEFAULT_SEARCH_RADIUS: 5000, // 5km
    
    // Transport mode identifiers
    TRANSPORT_MODES: {
        BUS: 'bus',
        METRO: 'metro',
        TRAIN: 'train',
        TRAM: 'tram',
        SHIP: 'ship'
    },
    
    // CSS class names (for consistency)
    CSS_CLASSES: {
        DARK_MODE: 'dark-mode',
        ORIENTATION_NORMAL: 'normal',
        ORIENTATION_LANDSCAPE: 'landscape',
        ORIENTATION_VERTICAL: 'vertical',
        ORIENTATION_UPSIDE_DOWN: 'upsidedown',
        ORIENTATION_VERTICAL_REVERSE: 'vertical-reverse'
    },
    
    // Time thresholds (in minutes)
    TIME_THRESHOLDS: {
        URGENT: 5, // Less than 5 minutes is urgent (red)
        WITHIN_HOUR: 60 // Within next hour
    },
    
    // LocalStorage keys
    STORAGE_KEYS: {
        CONFIG: 'sl-departures-config'
    },
    
    // Timezone
    TIMEZONE: 'Europe/Stockholm',
    
    // Date/time formats
    DATE_FORMAT: {
        TIMEZONE: 'Europe/Stockholm',
        LOCALE: 'sv-SE'
    }
};

// Export constants
window.Constants = Constants;