app.py

import streamlit as st
from utils.budget_utils import estimate_budget
from utils.cohere_logic import generate_travel_description
from utils.image_utils import get_unsplash_image
from dotenv import load_dotenv
import os

# Load environment variables
load_dotenv()

# Configure Streamlit page
st.set_page_config(page_title="AI Summer Travel Guide ☀️", layout="centered")

# Add blurred background image
st.markdown("""
    <style>
        .stApp {
            background-image: url("https://images.pexels.com/photos/1103970/pexels-photo-1103970.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=650&w=940");
            background-size: cover;
            background-repeat: no-repeat;
            background-attachment: fixed;
        }
        .stApp::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            height: 100%;
            width: 100%;
            z-index: -1;
            background: rgba(255, 255, 255, 0.5); /* translucent white */
            backdrop-filter: blur(10px); /* soft blur */
        }
    </style>
""", unsafe_allow_html=True)


# App Title
st.title("🌴 WanderGenie – AI-Powered Summer Travel Guide ✈️")

# Input Form
with st.form("travel_form"):
    destination = st.text_input("Enter a Destination (e.g., Bali, Paris, Ladakh)", "")
    theme = st.selectbox("Choose a Travel Theme", ["beach", "camping", "city", "desert", "forest", "historical", "island", "lake", "mountains", "snow"])
    days = st.slider("Duration of Stay (in days)", 1, 30, 5)
    travel_style = st.radio("Select Travel Style", ["budget", "standard", "luxury"])
    submitted = st.form_submit_button("Generate My Guide")

# Handle form submission
if submitted and destination:
    with st.spinner("Generating your perfect summer trip..."):

        # Generate AI guide
        guide = generate_travel_description(destination, theme)

        # Fetch Unsplash image
        image_url = get_unsplash_image(destination)

        # Estimate budget
        budget = estimate_budget(theme, days, travel_style)

    # Display output
    st.subheader(f"🌍 Your Summer Travel Guide to {destination}")
    if image_url:
        st.image(image_url, caption=f"{destination}", use_container_width=True)
    else:
        st.warning("Image could not be fetched.")

    st.markdown(guide)
    st.success(f"💰 Estimated Budget for {days} days ({travel_style.title()}): **${budget}**")
    st.caption("Includes transport (round-trip), accommodation, food, and activity costs.")
   
elif submitted:
    st.warning("Please enter a destination to continue.")