import gradio as gr

def letter_counter(word: str, letter: str) -> int:
    """
    Count the number of occurrences of a letter in a word or text.
    Args:
        word (str): The input text to search through
        letter (str): The letter to search for
    Returns:
        int: The number of times the letter appears in the text
    """
    word = word.lower()
    letter = letter.lower()
    count = word.count(letter)
    return count

def word_length_calculator(text: str) -> int:
    """
    Calculate the length of the input text.
    Args:
        text (str): The input text to measure
    Returns:
        int: The number of characters in the text
    """
    return len(text)

def text_reverser(text: str) -> str:
    """
    Reverse the input text.
    Args:
        text (str): The text to reverse
    Returns:
        str: The reversed text
    """
    return text[::-1]

def word_counter(text: str) -> int:
    """
    Count the number of words in the input text.
    Args:
        text (str): The input text to count words from
    Returns:
        int: The number of words in the text
    """
    return len(text.split())

# Create individual interfaces for each function
letter_counter_interface = gr.Interface(
    fn=letter_counter,
    inputs=["textbox", "textbox"],
    outputs="number",
    title="Letter Counter",
    description="Count occurrences of a specific letter in text"
)

word_length_interface = gr.Interface(
    fn=word_length_calculator,
    inputs="textbox",
    outputs="number",
    title="Text Length Calculator",
    description="Calculate the length of input text"
)

text_reverser_interface = gr.Interface(
    fn=text_reverser,
    inputs="textbox",
    outputs="textbox",
    title="Text Reverser",
    description="Reverse the input text"
)

word_counter_interface = gr.Interface(
    fn=word_counter,
    inputs="textbox",
    outputs="number",
    title="Word Counter",
    description="Count the number of words in text"
)

# Combine all interfaces into a tabbed interface
demo = gr.TabbedInterface(
    [letter_counter_interface, word_length_interface, text_reverser_interface, word_counter_interface],
    ["Letter Counter", "Text Length", "Text Reverser", "Word Counter"],
    title="Text Processing MCP Server"
)

# For Hugging Face Spaces - remove the if __name__ == "__main__": wrapper
demo.launch(mcp_server=True)