import streamlit as st
import pandas as pd

# Placeholder data structures (replace with actual data sources)
if 'drivers' not in st.session_state:
    st.session_state.drivers = pd.DataFrame(columns=["driver_id", "name", "location", "status"])
if 'orders' not in st.session_state:
    st.session_state.orders = pd.DataFrame(columns=["order_id", "pickup_location", "dropoff_location", "status"])
if 'zone_pressure' not in st.session_state:
    st.session_state.zone_pressure = pd.DataFrame(columns=['zone_id', 'pressure_level'])
if 'Analytics' not in st.session_state:
    st.session_state.Analytics = pd.DataFrame(columns=['performance indicators', 'drivers trips', 'delivery times', 'delivery delay', 'customer satisfaction'])

# Basic UI structure
st.title("Dispatch Call Scheduler")

# Sidebar for navigation and actions
with st.sidebar:
    st.header("Navigation")
    selected_page = st.radio("Go to", ["Order Management", "Driver Management", "Zone Pressure", "Analytics"])

    st.header("Actions")
    if st.button("Schedule Dispatch"):
        # Logic to schedule a dispatch based on current data
        st.write("Dispatch scheduled!")

# Order Management page
if selected_page == "Order Management":
    st.subheader("Order Management")
    
    # Add new order form
    with st.form("add_order_form"):
        st.write("Add New Order")
        order_id = st.text_input("Order ID")
        pickup_location = st.text_input("Pickup Location")
        dropoff_location = st.text_input("Dropoff Location")
        status = st.selectbox("Status", ["Pending", "In Progress", "Completed"])
        submitted = st.form_submit_button("Add Order")
        if submitted:
            new_order = pd.DataFrame({"order_id":[order_id], 
                                      "pickup_location":[pickup_location],
                                      "dropoff_location":[dropoff_location],
                                      "status":[status]})
            st.session_state.orders = pd.concat([st.session_state.orders, new_order], ignore_index=True)

    # Display order list
    st.write(st.session_state.orders)

# Driver Management page
elif selected_page == "Driver Management":
    st.subheader("Driver Management")
    
    # Add new driver form
    with st.form("add_driver_form"):
        st.write("Add New Driver")
        driver_id = st.text_input("Driver ID")
        name = st.text_input("Name")
        location = st.text_input("Location")
        status = st.selectbox("Status", ["Available", "On Duty", "Offline"])
        submitted = st.form_submit_button("Add Driver")
        if submitted:
            new_driver = pd.DataFrame({"driver_id":[driver_id],
                                       "name":[name],
                                       "location":[location],
                                       "status":[status]})
            st.session_state.drivers = pd.concat([st.session_state.drivers, new_driver], ignore_index=True)

    # Display driver list
    st.write(st.session_state.drivers)

# Zone Monitoring page
elif selected_page == "Zone Pressure":
    st.subheader("Dynamic Zone Pressure Monitoring")

    # Add new zone form
    with st.form("add_zone_form"):
        st.write("Add New Zone")
        zone_id = st.text_input("Zone ID")
        pressure_level = st.number_input("Pressure Level", min_value=0, max_value=10, value=0)
        submitted = st.form_submit_button("Add Zone")
        if submitted:
            new_zone = pd.DataFrame({"zone_id":[zone_id], "pressure_level":[pressure_level]})
            st.session_state.zone_pressure = pd.concat([st.session_state.zone_pressure, new_zone], ignore_index=True)

    # Display zone pressure
    st.write(st.session_state.zone_pressure)

# Analytics Dashboard page
elif selected_page == "Analytics":
    st.subheader("Analytics Dashboard")

    # Add analytics information form (consider more specific inputs based on your needs)
    with st.form("add_analytics_form"):
        st.write("Add Analytics Information")
        performance_indicators = st.text_input("Performance Indicators")
        drivers_trips = st.text_input("Drivers Trips")
        delivery_times = st.text_input("Delivery Times")
        delivery_delay = st.text_input("Delivery Delay")
        customer_satisfaction = st.text_input("Customer Satisfaction")
        submitted = st.form_submit_button("Add Analytics")
        if submitted:
            new_analytics = pd.DataFrame({"performance indicators":[performance_indicators],
                                          "drivers trips":[drivers_trips],
                                          "delivery times":[delivery_times],
                                          "delivery delay":[delivery_delay],
                                          "customer satisfaction":[customer_satisfaction]})
            st.session_state.Analytics = pd.concat([st.session_state.Analytics, new_analytics], ignore_index=True)

    # Display analytics information
    st.write(st.session_state.Analytics)