app.py

import streamlit as st
import folium
from streamlit_folium import folium_static
from folium.plugins import MarkerCluster
import requests
import json
from datetime import datetime
import re
from geopy.distance import geodesic
from typing import Dict, List, Tuple, Optional
import time
import random

# Set page configuration
st.set_page_config(
    page_title="GeoVision Pro",
    page_icon="🌍",
    layout="wide",
    initial_sidebar_state="expanded"
)

# Custom CSS for a blue-themed UI without the black strip
st.markdown("""
<style>
    @import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

    body {
        font-family: 'Roboto', sans-serif;
        background-color: #e0f7fa;
        color: #263b5e;
        margin: 0;
        padding: 0;
    }

    .stApp {
        max-width: 1200px;
        margin: 0 auto;
        padding: 2rem;
    }

    .header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background: #007bff;
        padding: 1rem 2rem;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        z-index: 1000;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .header h1 {
        font-size: 1.8rem;
        color: #fff;
        margin: 0;
    }

    .header .subtitle {
        font-size: 1rem;
        color: #e0f7fa;
    }

    .main {
        margin-top: 6rem; /* Adjust for the fixed header */
    }

    .section {
        margin-bottom: 3rem;
    }

    .section-title {
        font-size: 1.5rem;
        color: #004085;
        margin-bottom: 1rem;
        border-bottom: 2px solid #b3e5fc;
        padding-bottom: 0.5rem;
    }

    .card {
        background: #fff;
        border: 1px solid #b3e5fc;
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        padding: 1.5rem;
        margin-bottom: 1.5rem;
        transition: transform 0.3s;
    }

    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .card h3 {
        margin-top: 0;
        font-size: 1.2rem;
        color: #004085;
    }

    .card p {
        font-size: 1rem;
        color: #263b5e;
    }

    .map-container {
        border: 1px solid #b3e5fc;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .button-container {
        display: flex;
        justify-content: center;
        gap: 1rem;
        margin-top: 2rem;
    }

    .button {
        background-color: #007bff;
        color: #fff;
        border: none;
        border-radius: 5px;
        padding: 0.7rem 1.5rem;
        font-size: 1rem;
        cursor: pointer;
        transition: background-color 0.3s;
    }

    .button:hover {
        background-color: #0056b3;
    }

    .footer {
        text-align: center;
        margin-top: 3rem;
        font-size: 0.9rem;
        color: #999;
    }

    .earth-bg {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        z-index: -1;
        overflow: hidden;
    }

    .earth-orbit {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        width: 100vw;
        height: 100vw;
        animation: earth-spin 120s linear infinite;
    }

    @keyframes earth-spin {
        0% { transform: translate(-50%, -50%) rotate(0deg); }
        100% { transform: translate(-50%, -50%) rotate(360deg); }
    }

    .earth-img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 50%;
        filter: brightness(1.2) saturate(1.5);
    }
</style>
""", unsafe_allow_html=True)

# Moving 3D Earth Background (Smaller)
st.markdown('''
<div class="earth-bg">
    <div class="earth-orbit">
        <img class="earth-img" src="https://upload.wikimedia.org/wikipedia/commons/9/97/The_Earth_seen_from_Apollo_17.jpg" alt="Earth">
    </div>
</div>
''', unsafe_allow_html=True)

# Title Section
st.markdown('<div class="header"><h1>GeoVision Pro</h1><p class="subtitle">Your Professional Geospatial Data Solution</p></div>', unsafe_allow_html=True)

# Main Content Section
st.markdown('<div class="main">', unsafe_allow_html=True)

# Query Section
st.markdown('<div class="section"><h2 class="section-title">Query Interface</h2></div>', unsafe_allow_html=True)

# Function to handle smart location search
def smart_location_search():
    st.session_state.query = "Show restaurants near the Eiffel Tower"
    st.experimental_rerun

# Query input with a button for smart location search
query = st.text_input("Enter your query:", placeholder="Try: 'Show restaurants near the Eiffel Tower' or 'What's the weather in Tokyo?'", key="query_input")

if st.button("Smart Location Search"):
    smart_location_search()

# Function to fetch data from backend
def fetch_data_from_backend(endpoint, params=None):
    try:
        response = requests.get(f"https://geosapi.onrender.com/{endpoint}", params=params)
        response.raise_for_status()
        return response.json()
    except requests.exceptions.RequestException as e:
        st.error(f"Error fetching data: {e}")
        return None

# Features Section
st.markdown('<div class="section"><h2 class="section-title">Features</h2></div>', unsafe_allow_html=True)

features = [
    {"icon": "🌐", "title": "Smart Location Search", "description": "Find places and get directions with natural language queries."},
    {"icon": "🌦️", "title": "Real-time Weather", "description": "Get current weather conditions and forecasts for any location."},
    {"icon": "🌬️", "title": "Air Quality", "description": "Check air quality levels and pollution data worldwide."},
    {"icon": "📍", "title": "Personal Places", "description": "Save and manage your favorite locations with notes and emotions."}
]

for feature in features:
    st.markdown(f"""
    <div class="card">
        <h3>{feature['icon']} {feature['title']}</h3>
        <p>{feature['description']}</p>
    </div>
    """, unsafe_allow_html=True)

# Map Section (Placeholder)
st.markdown('<div class="section"><h2 class="section-title">Map Visualization</h2></div>', unsafe_allow_html=True)

# Example: Fetching data from the backend
if query:
    # Example endpoint and parameters
    data = fetch_data_from_backend("your-endpoint", params={"query": query})
    if data:
        st.write("Data from backend:", data)

# Here you would integrate the map visualization
st.markdown('<div class="map-container" style="height: 500px;"></div>', unsafe_allow_html=True)

# Button Section
st.markdown('<div class="button-container">', unsafe_allow_html=True)

if st.button("Random Place"):
    random_queries = [
        "Show restaurants in Tokyo",
        "Find museums in Berlin",
        "Show hospitals in Paris",
        "Find parks in New York",
        "Show cafes in London",
        "Find supermarkets in Rome"
    ]
    st.write(f"Random Query: {random.choice(random_queries)}")

if st.button("Clear Results"):
    st.write("Results cleared.")

st.markdown('</div>', unsafe_allow_html=True)

# Footer Section
st.markdown('<div class="footer"><p>&copy; 2025 GeoVision Pro. All rights reserved.</p></div>', unsafe_allow_html=True)

st.markdown('</div>', unsafe_allow_html=True)