"""
Data analysis callbacks for the dashboard.
"""

from dash import Output, Input, html, dcc
import dash_bootstrap_components as dbc
from utils.logger import get_logger
from dashboard.components.data_analysis import (
    create_volume_stats_display,
    create_price_stats_display,
    get_market_statistics,
    VolumeAnalyzer,
    PriceMovementAnalyzer
)
from database.operations import get_database_operations
from datetime import datetime, timezone, timedelta

logger = get_logger("data_analysis_callbacks")


def register_data_analysis_callbacks(app):
    """Register data analysis related callbacks."""
    
    logger.info("🚀 STARTING to register data analysis callbacks...")
    
    # Initial callback to populate charts on load
    @app.callback(
        [Output('volume-analysis-chart', 'figure'),
         Output('price-movement-chart', 'figure'),
         Output('volume-stats-output', 'children'),
         Output('price-stats-output', 'children'),
         Output('market-statistics-output', 'children')],
        [Input('data-analysis-symbol-dropdown', 'value'),
         Input('data-analysis-timeframe-dropdown', 'value'),
         Input('data-analysis-days-back-dropdown', 'value')],
        prevent_initial_call=False
    )
    def update_data_analysis(symbol, timeframe, days_back):
        """Update data analysis with statistical cards only (no duplicate charts)."""
        logger.info(f"🎯 DATA ANALYSIS CALLBACK TRIGGERED! Symbol: {symbol}, Timeframe: {timeframe}, Days Back: {days_back}")

        db_ops = get_database_operations(logger)
        end_time = datetime.now(timezone.utc)
        start_time = end_time - timedelta(days=days_back)
        
        df = db_ops.market_data.get_candles_df(symbol, timeframe, start_time, end_time)

        volume_analyzer = VolumeAnalyzer()
        price_analyzer = PriceMovementAnalyzer()
        
        volume_stats = volume_analyzer.get_volume_statistics(df)
        price_stats = price_analyzer.get_price_movement_statistics(df)

        volume_stats_display = create_volume_stats_display(volume_stats)
        price_stats_display = create_price_stats_display(price_stats)
        market_stats_display = get_market_statistics(df, symbol, timeframe)
        
        # Return empty figures for charts, as they are no longer the primary display
        # And the stats displays
        return {}, {}, volume_stats_display, price_stats_display, market_stats_display

    logger.info("✅ Data analysis callbacks registered successfully")