/**
 * Application constants and configuration
 */

export const APP_CONSTANTS = {
    TIMEOUTS: {
        ERROR_AUTO_HIDE: 8000,
        VERIFICATION_MIN_LOADING: 1000,
        TUTORIAL_DELAY: 800,
        BROKER_RETRY_DELAY: 2000,
    },
    LIMITS: {
        MAX_MESSAGE_LENGTH: 10000,
        MAX_ERROR_DISPLAY_LENGTH: 1000,
        TEXTAREA_MAX_HEIGHT: 120,
        SEARCH_RESULTS_LIMIT: 100,
        SESSION_HISTORY_LIMIT: 50,
    },
    UI: {
        VERIFICATION_EXPIRY_MINUTES: 20,
        LOW_BALANCE_THRESHOLD: 500,
    },
    DATABASE: {
        DB_NAME: 'idb://chat-history-db',
        MAX_RETRIES: 3,
    },
    BLOCKCHAIN: {
        NEURON_DECIMALS: 18,
        MAX_SIGNER_RETRIES: 3,
    },
} as const

/**
 * Validate Ethereum address format
 */
export const validateContractAddress = (address: string): string => {
    if (!address || !/^0x[a-fA-F0-9]{40}$/.test(address)) {
        throw new Error(`Invalid contract address format: ${address}`)
    }
    return address
}