Update app.py

app.py

@@ -1,36 +1,61 @@
 import streamlit as st
 from streamlit_folium import st_folium
 import folium
-import requests
 from datetime import datetime
-import cdsapi  # To connect with ECMWF's Copernicus Data Service
 
 # Streamlit App
 st.title("Weather Explorer 🌍☀️")
 
 st.markdown("Search and click a location on the map to get current and historical temperature data.")
 
+# Date input (defaults to today)
+default_date = datetime.utcnow().date()
+date_input = st.text_input("Enter Date (YYYY-MM-DD)", value=str(default_date))
+
+# Latitude and Longitude Inputs (initialized empty)
+lat_input = st.text_input("Latitude", value="")
+lon_input = st.text_input("Longitude", value="")
+
 # Map setup
+st.subheader("Select a location on the map:")
 m = folium.Map(location=[20, 0], zoom_start=2)
 map_data = st_folium(m, width=700, height=500)
 
-# Check if user clicked a location
+# If user clicks on the map, populate the lat/lon fields
 if map_data and map_data.get("last_clicked"):
-    lat = map_data["last_clicked"]["lat"]
-    lon = map_data["last_clicked"]["lng"]
-    st.success(f"You selected: Latitude {lat:.4f}, Longitude {lon:.4f}")
-    
-    # Get today's date
-    today = datetime.utcnow().date()
-    
-    # --------- Replace below with actual data fetching ----------
-    st.write("Fetching current and historical weather data...")
-
-    # Example placeholder (you'll replace this with real ECMWF data):
-    current_temp = 25  # Placeholder: current temperature
-    historical_min_temp = 15  # Placeholder: historical minimum
-    historical_max_temp = 35  # Placeholder: historical maximum
-
-    st.metric("Current Temperature (°C)", f"{current_temp}°C")
-    st.metric("Historical Min (°C) on this day", f"{historical_min_temp}°C")
-    st.metric("Historical Max (°C) on this day", f"{historical_max_temp}°C")
+    clicked_lat = map_data["last_clicked"]["lat"]
+    clicked_lon = map_data["last_clicked"]["lng"]
+    st.session_state['clicked_lat'] = clicked_lat
+    st.session_state['clicked_lon'] = clicked_lon
+
+# Pre-fill lat/lon if available
+if 'clicked_lat' in st.session_state and 'clicked_lon' in st.session_state:
+    lat_input = st.text_input("Latitude", value=str(st.session_state['clicked_lat']))
+    lon_input = st.text_input("Longitude", value=str(st.session_state['clicked_lon']))
+
+# 'Enter' Button
+if st.button("Enter"):
+    if lat_input and lon_input and date_input:
+        try:
+            # Convert input to correct types
+            lat = float(lat_input)
+            lon = float(lon_input)
+            selected_date = datetime.strptime(date_input, "%Y-%m-%d").date()
+            
+            st.success(f"Fetching weather data for {lat:.4f}, {lon:.4f} on {selected_date}")
+
+            # --------- Replace below with actual data fetching ----------
+            # Example placeholder (replace with real ECMWF or API call)
+            current_temp = 25  # Placeholder: current temperature
+            historical_min_temp = 15  # Placeholder: historical minimum
+            historical_max_temp = 35  # Placeholder: historical maximum
+
+            st.metric("Current Temperature (°C)", f"{current_temp}°C")
+            st.metric(f"Historical Min (°C) on {selected_date.strftime('%B %d')}", f"{historical_min_temp}°C")
+            st.metric(f"Historical Max (°C) on {selected_date.strftime('%B %d')}", f"{historical_max_temp}°C")
+
+        except ValueError:
+            st.error("Please enter valid latitude, longitude, and date values.")
+
+    else:
+        st.error("Please provide all inputs (date, latitude, longitude).")