From de1504494d3b645b838b925f1c5873f1dfb0259d Mon Sep 17 00:00:00 2001
From: Muskankr <mkr803967@gmail.com>
Date: Mon, 13 Jul 2026 11:24:29 +0530
Subject: [PATCH] Add distinct error messages for city not found vs API/network
 failures

---
 Frontend/script.js     | 15 +++++++++++++++
 backend/alertsystem.py | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)

diff --git a/Frontend/script.js b/Frontend/script.js
index 1c044ca..1218142 100644
--- a/Frontend/script.js
+++ b/Frontend/script.js
@@ -263,3 +263,18 @@ if (scrollTopBtn) {
     });
   });
 }
+
+try {
+  const response = await fetch(`/weather?city=${city}&state=${state}&country=${country}`);
+  const data = await response.json();
+
+  if (!response.ok) {
+    document.getElementById("formErrors").textContent = data.error;
+    return;
+  }
+
+  //  Show weather data if successful
+  console.log(data);
+} catch (err) {
+  document.getElementById("formErrors").textContent = "Unexpected error. Please try again.";
+}
diff --git a/backend/alertsystem.py b/backend/alertsystem.py
index bde3472..e668759 100644
--- a/backend/alertsystem.py
+++ b/backend/alertsystem.py
@@ -2,6 +2,8 @@
 import sys
 import requests
 
+from flask import request, jsonify
+from backend import app
 from dotenv import load_dotenv
 
 load_dotenv()
@@ -697,6 +699,37 @@ def chatbot():
             "Chatbot unavailable."
         })
 
+
+
+OPENWEATHER_API_KEY = "YOUR_KEY"
+
+@app.route("/weather")
+def weather():
+    city = request.args.get("city")
+    state = request.args.get("state")
+    country = request.args.get("country")
+
+    if not city or not country:
+        return jsonify({"error": "Missing required fields"}), 400
+
+    try:
+        url = f"http://api.openweathermap.org/data/2.5/weather?q={city},{state},{country}&appid={OPENWEATHER_API_KEY}"
+        resp = requests.get(url, timeout=5)
+
+        # Handle API response codes
+        if resp.status_code == 404:
+            return jsonify({"error": "City not found. Please check spelling."}), 404
+        elif resp.status_code != 200:
+            return jsonify({"error": "Weather service error. Try again later."}), resp.status_code
+
+        data = resp.json()
+        return jsonify(data)
+
+    except requests.exceptions.Timeout:
+        return jsonify({"error": "Weather service timed out. Please retry."}), 504
+    except requests.exceptions.RequestException:
+        return jsonify({"error": "Network failure. Please check your connection."}), 503
+    
 # =========================================================
 # LOCAL RUN
 # =========================================================