import gradio as gr

# Function to calculate percentage
def calculate_percentage(part, whole):
    try:
        part = float(part)
        whole = float(whole)
        if whole == 0:
            return "Whole cannot be zero"
        return f"{(part / whole) * 100:.2f}%"
    except ValueError:
        return "Invalid input"

# Function to calculate percentage increase
def percentage_increase(original, new):
    try:
        original = float(original)
        new = float(new)
        if original == 0:
            return "Original value cannot be zero"
        increase = new - original
        return f"{(increase / original) * 100:.2f}%"
    except ValueError:
        return "Invalid input"

# Function to calculate percentage decrease
def percentage_decrease(original, new):
    try:
        original = float(original)
        new = float(new)
        if original == 0:
            return "Original value cannot be zero"
        decrease = original - new
        return f"{(decrease / original) * 100:.2f}%"
    except ValueError:
        return "Invalid input"

# Function to calculate a value from percentage
def value_from_percentage(percentage, whole):
    try:
        percentage = float(percentage)
        whole = float(whole)
        return f"{(percentage / 100) * whole:.2f}"
    except ValueError:
        return "Invalid input"

# Creating Gradio interface
with gr.Blocks() as demo:
    gr.Markdown("# Percentage Calculator")

    with gr.Tabs():
        with gr.TabItem("Calculate Percentage"):
            part = gr.Number(label="Part")
            whole = gr.Number(label="Whole")
            percentage_output = gr.Textbox(label="Percentage", interactive=False)
            calc_button = gr.Button("Calculate")
            calc_button.click(calculate_percentage, inputs=[part, whole], outputs=percentage_output)
        
        with gr.TabItem("Percentage Increase"):
            original_value_inc = gr.Number(label="Original Value")
            new_value_inc = gr.Number(label="New Value")
            increase_output = gr.Textbox(label="Percentage Increase", interactive=False)
            calc_button_inc = gr.Button("Calculate")
            calc_button_inc.click(percentage_increase, inputs=[original_value_inc, new_value_inc], outputs=increase_output)
        
        with gr.TabItem("Percentage Decrease"):
            original_value_dec = gr.Number(label="Original Value")
            new_value_dec = gr.Number(label="New Value")
            decrease_output = gr.Textbox(label="Percentage Decrease", interactive=False)
            calc_button_dec = gr.Button("Calculate")
            calc_button_dec.click(percentage_decrease, inputs=[original_value_dec, new_value_dec], outputs=decrease_output)
        
        with gr.TabItem("Value from Percentage"):
            percentage_value = gr.Number(label="Percentage")
            whole_value = gr.Number(label="Whole")
            value_output = gr.Textbox(label="Value", interactive=False)
            calc_button_value = gr.Button("Calculate")
            calc_button_value.click(value_from_percentage, inputs=[percentage_value, whole_value], outputs=value_output)

demo.launch()