# Utility functions for the Gradio application
# This file contains helper functions that can be used in the main app

def validate_input(text: str) -> bool:
    """
    Validate that the input text is not empty.
    
    Args:
        text: The text to validate
        
    Returns:
        bool: True if text is not empty, False otherwise
    """
    return bool(text.strip())


def sanitize_text(text: str) -> str:
    """
    Sanitize input text by removing leading/trailing whitespace.
    
    Args:
        text: The text to sanitize
        
    Returns:
        str: The sanitized text
    """
    return text.strip()


def format_greeting(name: str, language: str = "ru") -> str:
    """
    Format a greeting message based on the selected language.
    
    Args:
        name: The name to greet
        language: The language code ('ru' for Russian, 'en' for English)
        
    Returns:
        str: The formatted greeting message
    """
    if language == "ru":
        return f"Привет, {name}! Добро пожаловать!"
    else:
        return f"Hello, {name}! Welcome!"


def calculate_word_count(text: str) -> int:
    """
    Calculate the number of words in the text.
    
    Args:
        text: The text to analyze
        
    Returns:
        int: The word count
    """
    if not text:
        return 0
    words = text.split()
    return len(words)