daa-economy 0.2.1

//! Market operations for DAA Economy

use serde::{Deserialize, Serialize};
use rust_decimal::Decimal;
use std::collections::HashMap;
use std::str::FromStr;

use crate::Result;

/// Market data
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct MarketData {
    pub base_token: String,
    pub quote_token: String,
    pub last_price: Decimal,
    pub bid_price: Decimal,
    pub ask_price: Decimal,
    pub volume_24h: Decimal,
    pub price_change_24h: Decimal,
}

/// Market manager
pub struct MarketManager {
    config: MarketMakerConfig,
}

impl MarketManager {
    /// Create new market manager
    pub async fn new(config: MarketMakerConfig) -> Result<Self> {
        Ok(Self { config })
    }

    /// Initialize market maker
    pub async fn initialize(&mut self) -> Result<()> {
        tracing::info!("Market manager initialized");
        Ok(())
    }

    /// Get market data
    pub async fn get_market_data(&self, base_token: &str, quote_token: &str) -> Result<MarketData> {
        // Mock market data - in real implementation would fetch from exchange
        Ok(MarketData {
            base_token: base_token.to_string(),
            quote_token: quote_token.to_string(),
            last_price: Decimal::from(100),
            bid_price: Decimal::from(99),
            ask_price: Decimal::from(101),
            volume_24h: Decimal::from(10000),
            price_change_24h: Decimal::from(5) / Decimal::from(100), // 5%
        })
    }
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct MarketMakerConfig {
    pub spread: Decimal,
    pub depth: u32,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct MarketAnalyzer {
    data: HashMap<String, MarketData>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct PricePoint {
    pub price: Decimal,
    pub timestamp: u64,
}

#[derive(Debug, Clone, PartialEq)]
pub enum PriceTrend {
    Bullish,
    Bearish,
    Neutral,
}

impl MarketData {
    pub fn calculate_volatility(&self) -> Option<Decimal> {
        Some(Decimal::from_str("0.1").unwrap())
    }
    
    pub fn get_price_trend(&self, _window: u32) -> Result<PriceTrend> {
        Ok(PriceTrend::Neutral)
    }
}