Code Editor for app.py

import streamlit as st
import datetime

# Configure page
st.set_page_config(page_title="CMD Interface", layout="wide")

# Custom CSS for CMD-like interface
st.markdown("""
    <style>
    .stTextInput input {
        background-color: black;
        color: #00ff00;
        font-family: 'Courier New', Courier, monospace;
        border: none;
        padding: 10px;
    }
    .output-text {
        background-color: black;
        color: #00ff00;
        font-family: 'Courier New', Courier, monospace;
        padding: 10px;
        border: none;
        min-height: 400px;
    }
    </style>
    """, unsafe_allow_html=True)

# Initialize session state
if 'command_history' not in st.session_state:
    st.session_state.command_history = []

# Title
st.markdown("<h1 style='color: #00ff00; font-family: Courier New'>Command Prompt Emulator</h1>", unsafe_allow_html=True)

# Command input
command = st.text_input("C:\\>", key="command_input")

# Process command
if command:
    timestamp = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
    st.session_state.command_history.append(f"[{timestamp}] C:\\> {command}")
    
    # Basic command processing
    if command.lower() == "help":
        st.session_state.command_history.append("""
Available commands:
- help: Display this help message
- clear: Clear the screen
- time: Display current time
- echo [text]: Display text
- dir: List directory contents (simulated)
""")
    elif command.lower() == "clear":
        st.session_state.command_history = []
    elif command.lower() == "time":
        st.session_state.command_history.append(f"Current time: {datetime.datetime.now().strftime('%H:%M:%S')}")
    elif command.lower().startswith("echo "):
        st.session_state.command_history.append(command[5:])
    elif command.lower() == "dir":
        st.session_state.command_history.append("""
Directory of C:\\
12/01/2023  10:00    <DIR>          Program Files
12/01/2023  10:00    <DIR>          Users
12/01/2023  10:00    <DIR>          Windows
               0 File(s)              0 bytes
               3 Dir(s)  100,000,000,000 bytes free
""")
    else:
        st.session_state.command_history.append(f"'{command}' is not recognized as an internal or external command")

# Display output
output = "\n".join(st.session_state.command_history)
st.markdown(f"""
<div class="output-text">
<pre>{output}</pre>
</div>
""", unsafe_allow_html=True)

# Instructions
with st.expander("Instructions"):
    st.markdown("""
    This is a simple Command Prompt emulator. Available commands:
    - `help`: Display available commands
    - `clear`: Clear the screen
    - `time`: Display current time
    - `echo [text]`: Display text
    - `dir`: Show simulated directory listing
    
    Press Enter after typing a command to execute it.
    """)