app.py

import gradio as gr
import subprocess

# Run setup.sh once at startup
def run_setup():
    result = subprocess.run(
        ["sh", "scripts/setup.sh"],
        capture_output=True,
        text=True
    )
    return result.stdout + "\n" + result.stderr

# Run setup to compile COBOL files
print("🚀 Running setup...")
setup_output = run_setup()
print(setup_output)

# Helper function to run COBOL binaries
def run_cobol_binary(binary_name, input_data=None):
    try:
        if input_data:
            result = subprocess.run(
                [f"./cobol/{binary_name}"],
                input=input_data,
                capture_output=True,
                text=True,
                timeout=10
            )
        else:
            result = subprocess.run(
                [f"./cobol/{binary_name}"],
                capture_output=True,
                text=True,
                timeout=10
            )
        return result.stdout or result.stderr
    except Exception as e:
        return str(e)

# --- Account Balance ---
def get_balance(account_number):
    input_str = f"{account_number}\n"
    return run_cobol_binary("account", input_str)

# --- Loan Status ---
def check_loan_status(account_number):
    input_str = f"{account_number}\n"
    return run_cobol_binary("loan", input_str)

# --- Gradio UI ---
with gr.Blocks(title="COBOL Bank Demo") as demo:
    gr.Markdown("# 💰 COBOL Banking System\nRun real COBOL programs in your browser!")

    with gr.Tab("Account Balance"):
        acc_input = gr.Number(label="Enter Account Number")
        acc_output = gr.Textbox(label="Balance Info")
        acc_btn = gr.Button("Check Balance")
        acc_btn.click(fn=get_balance, inputs=acc_input, outputs=acc_output)

    with gr.Tab("Loan Status"):
        loan_input = gr.Number(label="Enter Account Number")
        loan_output = gr.Textbox(label="Loan Info")
        loan_btn = gr.Button("Check Loan")
        loan_btn.click(fn=check_loan_status, inputs=loan_input, outputs=loan_output)

demo.launch()