import streamlit as st
from datetime import datetime
import pytz
from geopy.geocoders import Nominatim
from timezonefinder import TimezoneFinder
from astro_core import ChartCalculator
from ai_interpreter import AstroAI
import plotly.graph_objects as go
import numpy as np
import pandas as pd
from typing import Dict, Any

# Page configuration
st.set_page_config(
    page_title="AI Astrology Assistant",
    page_icon="🌟",
    layout="wide",
    initial_sidebar_state="expanded"
)

# Custom CSS
st.markdown("""
    <style>
    .stApp {
        background: linear-gradient(135deg, #f5f7ff 0%, #f8f0ff 100%);
    }
    .main {
        background-color: transparent;
    }
    .stTextInput > div > div > input {
        background-color: rgba(255, 255, 255, 0.8);
    }
    .stButton > button {
        background-color: #6B46C1;
        color: white;
        border-radius: 8px;
        padding: 0.5rem 1rem;
        border: none;
    }
    .chat-message {
        padding: 1.5rem;
        border-radius: 10px;
        margin-bottom: 1rem;
        box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    }
    .user-message {
        background-color: rgba(107, 70, 193, 0.1);
        margin-left: 20%;
        border-left: 4px solid #6B46C1;
    }
    .assistant-message {
        background-color: white;
        margin-right: 20%;
        border-left: 4px solid #9F7AEA;
    }
    .element-card {
        background-color: white;
        padding: 1rem;
        border-radius: 8px;
        margin-bottom: 0.5rem;
        box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    }
    </style>
""", unsafe_allow_html=True)

def get_safe_planet_data(chart_data: Dict[str, Any], planet: str) -> Dict[str, Any]:
    """Safely get planet data with error handling."""
    try:
        planet_data = chart_data.get('planets', {}).get(planet, {})
        if 'error' in planet_data or not planet_data:
            return {'error': f"Could not calculate {planet} position"}
        return planet_data
    except Exception as e:
        return {'error': str(e)}

def create_chart_visualization(chart_data: Dict[str, Any]) -> go.Figure:
    """Create a professional astrological chart visualization."""
    fig = go.Figure()
    # Define colors for zodiac signs and create the chart
    # ...

    return fig

def init_session_state():
    """Initialize session state variables."""
    if 'birth_chart' not in st.session_state:
        st.session_state.birth_chart = None
    if 'chat_history' not in st.session_state:
        st.session_state.chat_history = []
    if 'location_details' not in st.session_state:
        st.session_state.location_details = None
    if 'ai_interpreter' not in st.session_state:
        try:
            st.session_state.ai_interpreter = AstroAI()
        except ValueError as e:
            st.error(str(e))
            st.session_state.ai_interpreter = None
    if 'initial_analysis' not in st.session_state:
        st.session_state.initial_analysis = None

def get_location_details(location_name: str) -> Dict[str, Any]:
    """Get coordinates and timezone for a location."""
    try:
        geolocator = Nominatim(user_agent="ai_astrology_app")
        tf = TimezoneFinder()
        location = geolocator.geocode(location_name)
        if location:
            latitude, longitude = location.latitude, location.longitude
            timezone_str = tf.timezone_at(lat=latitude, lng=longitude) or 'UTC'
            return {
                'latitude': latitude,
                'longitude': longitude,
                'timezone': timezone_str,
                'error': None
            }
        return {'error': 'Location not found'}
    except Exception as e:
        return {'error': f"Error finding location: {str(e)}"}

def display_chart_details(chart_data: Dict[str, Any]):
    """Display detailed chart information."""
    col1, col2, col3 = st.columns(3)
    # Display planetary positions, aspects, and elements/modalities
    # ...

def main():
    st.title("🌟 AI Astrology Assistant")
    init_session_state()

    if st.session_state.ai_interpreter is None:
        st.warning("⚠️ Astro AI not initialized. Please configure your API key.")
        return

    # Birth Information Form
    with st.form("birth_info"):
        st.subheader("Enter Birth Details")
        col1, col2 = st.columns(2)
        with col1:
            birth_date = st.date_input(
                "Birth Date",
                min_value=datetime(1900, 1, 1),
                max_value=datetime.now()
            )
            birth_time = st.time_input("Birth Time")
        with col2:
            birth_place = st.text_input("Birth Place", placeholder="City, Country")
        calculate_button = st.form_submit_button("Calculate Birth Chart")

        if calculate_button:
            if not birth_place:
                st.error("Please enter your birth place.")
            else:
                with st.spinner("Calculating..."):
                    location = get_location_details(birth_place)
                    if location.get('error'):
                        st.error(location['error'])
                    else:
                        calculator = ChartCalculator()
                        birth_datetime = datetime.combine(birth_date, birth_time)
                        st.session_state.birth_chart = calculator.calculate_birth_chart(
                            birth_datetime,
                            location['latitude'],
                            location['longitude']
                        )
                        st.success("Birth chart calculated!")

    # Display results
    if st.session_state.birth_chart:
        tab1, tab2, tab3 = st.tabs(["Birth Chart", "Details", "AI Analysis"])
        with tab1:
            st.plotly_chart(create_chart_visualization(st.session_state.birth_chart))
        with tab2:
            display_chart_details(st.session_state.birth_chart)
        with tab3:
            st.write(st.session_state.initial_analysis)

if __name__ == "__main__":
    main()