app.py

import streamlit as st
import folium
from folium.plugins import MarkerCluster
from streamlit_folium import folium_static
import googlemaps
from datetime import datetime
import os

# Initialize Google Maps
gmaps = googlemaps.Client(key=os.getenv('GOOGLE_KEY'))

# Function to fetch directions
def get_directions_and_coords(source, destination):
    now = datetime.now()
    directions_info = gmaps.directions(source, destination, mode='driving', departure_time=now)
    if directions_info:
        steps = directions_info[0]['legs'][0]['steps']
        coords = [(step['start_location']['lat'], step['start_location']['lng']) for step in steps]
        return steps, coords
    else:
        return None, None

# Function to render map with directions
def render_folium_map(coords):
    m = folium.Map(location=[coords[0][0], coords[0][1]], zoom_start=13)
    folium.PolyLine(coords, color="blue", weight=2.5, opacity=1).add_to(m)
    return m

# Function to add medical center paths and annotate distance
def add_medical_center_paths(m, source, med_centers):
    for name, lat, lon, specialty, city in med_centers:
        _, coords = get_directions_and_coords(source, (lat, lon))
        if coords:
            folium.PolyLine(coords, color="red", weight=2.5, opacity=1).add_to(m)
            folium.Marker([lat, lon], popup=name).add_to(m)
            distance_info = gmaps.distance_matrix(source, (lat, lon), mode='driving')
            distance = distance_info['rows'][0]['elements'][0]['distance']['text']
            folium.PolyLine(coords, color='red').add_to(m)
            folium.map.Marker(
                [coords[-1][0], coords[-1][1]],
                icon=folium.DivIcon(
                    icon_size=(150, 36),
                    icon_anchor=(0, 0),
                    html=f'<div style="font-size: 10pt; color : red;">{distance}</div>',
                    )
                ).add_to(m)

# Driving Directions Sidebar
st.sidebar.header('Directions 🚗')
source_location = st.sidebar.text_input("Source Location", "Mound, MN")
destination_location = st.sidebar.text_input("Destination Location", "Minneapolis, MN")
if st.sidebar.button('Get Directions'):
    steps, coords = get_directions_and_coords(source_location, destination_location)
    if steps and coords:
        st.subheader('Driving Directions:')
        for i, step in enumerate(steps):
            st.write(f"{i+1}. {step['html_instructions']}")
        st.subheader('Route on Map:')
        m1 = render_folium_map(coords)
        folium_static(m1)
    else:
        st.write("No available routes.")

# Minnesota Medical Centers
st.markdown("## 🗺️ Maps 🗺️ for 🏥 Minnesota Medical Centers 🌳")
m2 = folium.Map(location=[45.6945, -93.9002], zoom_start=6)
marker_cluster = MarkerCluster().add_to(m2)

# Define Minnesota medical centers data
minnesota_med_centers = [
    ('Mayo Clinic', 44.0224, -92.4658, 'General medical and surgical', 'Rochester'),
    ('University of Minnesota Medical Center', 44.9721, -93.2595, 'Teaching hospital', 'Minneapolis'),
    ('Abbott Northwestern Hospital', 44.9526, -93.2622, 'Heart specialty', 'Minneapolis'),
    ('Regions Hospital', 44.9558, -93.0942, 'Trauma center', 'St. Paul'),
    ('St. Cloud Hospital', 45.5671, -94.1989, 'Multiple specialties', 'St. Cloud'),
    ('Park Nicollet Methodist Hospital', 44.9304, -93.3640, 'General medical and surgical', 'St. Louis Park'),
    ('Fairview Ridges Hospital', 44.7391, -93.2777, 'Community hospital', 'Burnsville'),
    ('Mercy Hospital', 45.1761, -93.3099, 'Acute care', 'Coon Rapids'),
    ('North Memorial Health Hospital', 45.0131, -93.3246, 'General medical and surgical', 'Robbinsdale'),
    ('Essentia Health-Duluth', 46.7860, -92.1011, 'Community hospital', 'Duluth'),
    ('M Health Fairview Southdale Hospital', 44.8806, -93.3241, 'Community hospital', 'Edina'),
    ('Woodwinds Health Campus', 44.9272, -92.9689, 'Community hospital', 'Woodbury'),
    ('United Hospital', 44.9460, -93.1052, 'Acute care', 'St. Paul'),
    ('Buffalo Hospital', 45.1831, -93.8772, 'Community hospital', 'Buffalo'),
    ('Maple Grove Hospital', 45.1206, -93.4790, 'Community hospital', 'Maple Grove'),
    ('Olmsted Medical Center', 44.0234, -92.4610, 'General medical and surgical', 'Rochester'),
    ('Hennepin Healthcare', 44.9738, -93.2605, 'Teaching hospital', 'Minneapolis'),
    ('St. Francis Regional Medical Center', 44.7658, -93.5143, 'Community hospital', 'Shakopee'),
    ('Lakeview Hospital', 45.0422, -92.8137, 'Community hospital', 'Stillwater'),
    ('St. Luke\'s Hospital', 46.7831, -92.1043, 'Community hospital', 'Duluth')
]

# Dropdown to select medical center to focus on
medical_center_names = [center[0] for center in minnesota_med_centers]
selected_medical_center = st.selectbox("Select Medical Center to Focus On:", medical_center_names)

# Zoom into the selected medical center
for name, lat, lon, specialty, city in minnesota_med_centers:
    if name == selected_medical_center:
        m2 = folium.Map(location=[lat, lon], zoom_start=15)

# Annotate distances and paths for each medical center
add_medical_center_paths(m2, source_location, minnesota_med_centers)

folium_static(m2)