app.py

import gradio as gr
from interface.rebalancing_interface import (
    input as rebalancing_inputs, 
    output as rebalancing_output,     
    update_output as rebalancing_update_output,
    examples as rebalancing_examples, 
    component_rows as rebalancing_component_rows,
)
from interface.share_price_trend_interface import (
    input as share_price_trend_inputs, 
    output as share_price_trend_output, 
    update_output as share_price_trend_update_output,
    examples as share_price_trend_examples, 
    component_rows as share_price_trend_component_rows,
)
from interface.dollar_cost_averaging_interface import (
    input as dollar_cost_averaging_inputs, 
    output as dollar_cost_averaging_output, 
    update_output as dollar_cost_averaging_update_output,
    examples as dollar_cost_averaging_examples,
    component_rows as dollar_cost_averaging_component_rows,
)
from interface.retirement_planning_interface import (
    input as retirement_planning_inputs, 
    output as retirement_planning_output,
    update_output as retirement_update_output,
    examples as retirement_planning_examples,  
    component_rows as retirement_planning_component_rows, 
)

tabs_configuration = [
    ("💸 Dividend-Based Retirement Planning", retirement_planning_inputs, retirement_planning_output, retirement_update_output, retirement_planning_examples, retirement_planning_component_rows),
    ("🚀 Re-Balancing Calculator", rebalancing_inputs, rebalancing_output, rebalancing_update_output, rebalancing_examples, rebalancing_component_rows),
    ("📈 Share Price Trend", share_price_trend_inputs, share_price_trend_output, share_price_trend_update_output, share_price_trend_examples, share_price_trend_component_rows),
    ("📉 Dollar Cost Averaging Calculator", dollar_cost_averaging_inputs, dollar_cost_averaging_output, dollar_cost_averaging_update_output, dollar_cost_averaging_examples, dollar_cost_averaging_component_rows),
]

def initial_load(*args):
    idx = 0
    rebalancing_results = rebalancing_update_output(*args[idx:idx+len(rebalancing_inputs)])
    idx += len(rebalancing_inputs)
    share_price_trend_results = share_price_trend_update_output(*args[idx:idx+len(share_price_trend_inputs)])
    idx += len(share_price_trend_inputs)
    dollar_cost_averaging_results = dollar_cost_averaging_update_output(*args[idx:idx+len(dollar_cost_averaging_inputs)])
    idx += len(dollar_cost_averaging_inputs)
    retirement_results = retirement_update_output(*args[idx:])
    
    return (rebalancing_results, share_price_trend_results, dollar_cost_averaging_results, retirement_results)

MARKDOWN = ("""
---

**If you find this tool useful and would like to support its development, please consider making a donation. Your support is greatly appreciated!**

- [Donate with KakaoPay](https://qr.kakaopay.com/Ej7jF6o7B)

---

For any questions or feedback, reach us at: 📧 [cryman38@daum.net](mailto:cryman38@daum.net)

---

""")

# Helper function to add buttons
def clear_buttons(inputs):
    clear_button = gr.ClearButton(value="Clear")
    clear_button.click(
        fn=lambda: [None] * len(inputs),
        inputs=[],
        outputs=inputs
    )
    return clear_button

def submit_buttons(inputs, update_fn, output):    
    submit_button = gr.Button(value="Run", variant="primary")
    submit_button.click(
        fn=update_fn,
        inputs=inputs,
        outputs=output
    )
    return submit_button

def on_change(inputs, update_ouutput, outputs):
    for input_component in inputs:
        input_component.change(
            fn=update_ouutput,
            inputs=inputs,
            outputs=outputs
        )

def render_components(component_rows):
    for row in component_rows:
        if isinstance(row, list):
            with gr.Row():
                for component in row:
                    component.render()
        else:
            row.render()

def create_tab(tab_name, inputs, outputs, update_fn, examples, component_rows):
    with gr.Tab(tab_name):
        with gr.Row():
            with gr.Column(elem_classes="input", scale=1):
                render_components(component_rows)
                clear_buttons(inputs)
                submit_buttons(inputs, update_fn, outputs)
            with gr.Column(scale=3):
                outputs.render()
        with gr.Accordion("👀 Examples", open=False):            
            gr.Examples(examples=examples, cache_examples=False, inputs=inputs)
        on_change(inputs, update_fn, outputs)

with gr.Blocks(css='style.css') as demo:
    with gr.Column(elem_id="col-container"):
        with gr.Tabs():
            for tab in tabs_configuration:
                create_tab(*tab)
            # render_about_tab()  # "Support Us" 탭 추가
    with gr.Accordion("🤝 DONATE", open=True):
        gr.Markdown(MARKDOWN, elem_id="col-container")

    demo.load(
        initial_load, 
        inputs=rebalancing_inputs + share_price_trend_inputs + dollar_cost_averaging_inputs + retirement_planning_inputs,
        outputs=[
            rebalancing_output,
            share_price_trend_output,
            dollar_cost_averaging_output,
            retirement_planning_output
        ]
    )
demo.launch(share=True)