import streamlit as st
import streamlit.components.v1 as components



# --- Page Configuration (Optional but good practice) ---
st.set_page_config(
    page_title="newMATTER",
    page_icon=":computer:",
    layout="wide",
    #initial_sidebar_state="collapsed"
)

st.markdown("""
<style>
    .main > div {
        padding-top: 0rem;
    }
</style>
""", unsafe_allow_html=True)





if 'logged_in' not in st.session_state:
    st.session_state.logged_in = False

if 'username' not in st.session_state:
    st.session_state.username = ""

if 'projectname' not in st.session_state:
    st.session_state.projectname = ""

    

hardcodedlogin_user={
    
    "usernames":["admin"],
    "passwords":["123"] 

}



def authenticate_user(username,password):
    
    if username in hardcodedlogin_user["usernames"] and password in hardcodedlogin_user["passwords"]:
        return True
    else:
        return False
        



def LOGIN():
    
    st.text("Authentication System")
    
    
    st.subheader("Login to the application")
        
    with st.form("login_form"):
            username = st.text_input("Username")
            password = st.text_input("Password", type="password")
            login_button = st.form_submit_button("Login")
            
            if login_button:
                if username and password:
                    status = authenticate_user(username, password)
                    if status==True:
                        st.session_state.logged_in = True
                        st.session_state.username = username
                        st.rerun()
                    else:
                        st.error(message)
                else:
                    st.warning("Please enter both username and password")

  

def APP():

        st.title("newMATTER")
        st.markdown("> Engineering Programmable Biology")
    
        tab1, tab2, tab3 = st.tabs(["PROTEIN ENGINEERING LAB", "EXECUTED OPERATIONS", "LAB OUTPUT"])
    
        def SHOW_PROJECT_NAME():

            
            st.header(f"setup your project @ {st.session_state.username}")
        
            project_name=st.text_input("enter project name ")
        
            st.session_state.projectname=project_name
            
            st.rerun()
    

   
        def SHOWTABS():
            

            st.markdown("""
            <style>
                @keyframes blink {
                    0% { opacity: 1; }
                    50% { opacity: 0; }
                    100% { opacity: 1; }
                }

                .blinking-text {
                    animation: blink 2s infinite;
                    font-size: 24px;
                    font-weight: bold;
                    color: red;
                }
            </style>
            """, unsafe_allow_html=True)

            st.markdown('<div class="blinking-text"> 🚨CAUTION ! </div>', unsafe_allow_html=True)
            
            with tab1:
    
                console_container = st.container(height=150, border=False)
               
                with console_container:
                    st.code(">>> System Online...", language="bash") # Use st.code for a console look

                user_input = st.text_area(
                    "Protein Engineering Query",
                    placeholder="Type your query here."
                )
                if st.button("Execute", use_container_width=True):
                    if user_input:
                # Simulate processing and append to the console
                        with console_container:
                            st.markdown(f"**>>> Processing input...**")
                            st.code(f"Input received ({len(user_input)} characters):\n{user_input[:200]}...", language="text") # Show first 200 chars
                            st.success("Task completed!")
                    else:
                        with console_container:
                            st.warning(">>> Please enter some text before processing.")


            with tab2:
                st.markdown("### Operations")
    
            with tab3:
                st.markdown("### Output")

            

        if st.session_state.projectname is not "":
            SHOWTABS()

        else:
            SHOW_PROJECT_NAME()



if st.session_state.logged_in:
        APP()
else:
        LOGIN()