import streamlit as st

#Globals
legal_numbers = [1,2,3,4,5,6,7,8,9]

def get_userInput(): 
    input = st.text_input("Enter a number between 1 to 9: ", key="input")
    return input

def validate_userInput(user_input):
    if user_input.isdigit():
        if int(user_input) < 1 or int(user_input) > 9:
            return "Please enter a digit between 1 to 9."
        else:    
            legal_numbers = legal_numbers.pop(int(user_input)-1)
            update_legalNumbers(legal_numbers)
    else:
        return "Please enter a digit between 1 to 9."

def display_board(firstRun):  
    if firstRun:
        col1, col2, col3 = st.columns(3)
        col4, col5, col6 = st.columns(3)
        col7, col8, col9 = st.columns(3)
        with col1:
            st.text("X")
        with col2:
           st.text("O")
        with col3:
           st.text("...")
        with col4:
            st.text(" X ")
        with col5:
           st.text(" O ")
        with col6:
           st.text(" ... ")
        with col7:
            st.text(" X ")
        with col8:
           st.text(" O ")
        with col9:
           st.text(" ... ")
 #   else:
        

def reset_legalNumbers():
    legal_numbers = [1,2,3,4,5,6,7,8,9]
    
def update_legalNumbers(legal_numbers):
    st.text("Legal Numbers: " + "".join(str(legal_numbers)))
    #print (legal_numbers)

#UIApp starts here
st.set_page_config(page_title="Python - Tic Tac Toe", page_icon=":python:")
st.header("Python - Tic Tac Toe")

user_input=get_userInput()
display_board(True)

#Button functionality
if submit:
    st.subheader("")
    update_legalNumbers(legal_numbers)
    #st.write(response)
else:
   update_legalNumbers(legal_numbers) 

if replay:
    display_board(True)
    reset_legalNumbers()

#UI Buttons
submit=st.button('Submit')
replay=st.button('Replay')
    
#After User Interaction
response=validate_userInput(user_input)