/// Robo-Advisor Core Implementation
use serde::{Deserialize, Serialize};
use std::collections::HashMap;

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Client {
    pub id: String,
    pub name: String,
    pub age: u32,
    pub risk_profile: RiskProfile,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RiskProfile {
    pub risk_score: f64,
    pub risk_category: String,
    pub time_horizon: u32,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Portfolio {
    pub id: String,
    pub client_id: String,
    pub total_value: f64,
    pub cash_balance: f64,
    pub allocations: HashMap<String, f64>,
}

pub struct AllocationEngine;

impl AllocationEngine {
    pub fn mpt_allocation(risk_score: f64) -> HashMap<String, f64> {
        let mut allocation = HashMap::new();
        let equity_pct = risk_score * 10.0;
        allocation.insert("stocks".to_string(), equity_pct);
        allocation.insert("bonds".to_string(), 100.0 - equity_pct);
        allocation
    }

    pub fn rebalance(portfolio: &Portfolio, target: &HashMap<String, f64>) -> Vec<(String, f64)> {
        let mut trades = Vec::new();
        for (asset, target_pct) in target {
            let current_pct = portfolio.allocations.get(asset).unwrap_or(&0.0);
            let diff = (target_pct - current_pct) * portfolio.total_value / 100.0;
            if diff.abs() > 100.0 {
                trades.push((asset.clone(), diff));
            }
        }
        trades
    }
}

pub struct TaxOptimizer;

impl TaxOptimizer {
    pub fn find_tlh_opportunities(portfolio: &Portfolio, min_loss: f64) -> Vec<String> {
        vec![] // Simplified
    }
}
