precolator-program 1.0.0

// Position Monitor - Real-time monitoring and analytics for open positions
//
// This tool provides real-time analytics on open positions, including
// P&L tracking, risk metrics, and liquidation warnings.

use std::time::Duration;
use std::thread;
use std::collections::HashMap;

fn main() {
    println!("📊 Precolator Position Monitor v1.0.0");
    println!("Starting position monitoring service...\n");

    let config = PositionMonitorConfig::default();
    let mut monitor = PositionMonitor::new(config);

    loop {
        match monitor.update_positions() {
            Ok(_) => {
                monitor.print_summary();
            }
            Err(e) => {
                eprintln!("❌ Error updating positions: {}", e);
            }
        }

        thread::sleep(Duration::from_secs(monitor.config.update_interval_secs as u64));
    }
}

struct PositionMonitorConfig {
    update_interval_secs: u32,
    alert_health_factor_threshold: u16,
    #[allow(dead_code)]
    alert_pnl_threshold_pct: i32,
    #[allow(dead_code)]
    enable_notifications: bool,
}

impl Default for PositionMonitorConfig {
    fn default() -> Self {
        Self {
            update_interval_secs: 5,
            alert_health_factor_threshold: 2000, // 20%
            alert_pnl_threshold_pct: -50, // -50% loss
            enable_notifications: true,
        }
    }
}

struct PositionData {
    position_id: String,
    trader: String,
    side: String,
    size: u64,
    entry_price: u64,
    current_price: u64,
    collateral: u64,
    leverage: u8,
    pnl: i64,
    health_factor: u16,
    liquidation_price: u64,
}

struct PositionMonitor {
    config: PositionMonitorConfig,
    positions: HashMap<String, PositionData>,
    total_pnl: i64,
    update_count: u64,
}

impl PositionMonitor {
    fn new(config: PositionMonitorConfig) -> Self {
        Self {
            config,
            positions: HashMap::new(),
            total_pnl: 0,
            update_count: 0,
        }
    }

    fn update_positions(&mut self) -> Result<(), String> {
        // In a real implementation, this would:
        // 1. Fetch all open positions
        // 2. Get current prices from oracle
        // 3. Calculate P&L and metrics
        // 4. Check for liquidation warnings
        // 5. Aggregate statistics
        // 6. Send alerts if needed

        self.update_count += 1;
        self.positions.clear();

        // Simulate some positions
        let sample_position = PositionData {
            position_id: "pos_001".to_string(),
            trader: "trader_1".to_string(),
            side: "Long".to_string(),
            size: 1_000_000,
            entry_price: 100,
            current_price: 105,
            collateral: 1_000_000,
            leverage: 10,
            pnl: 50_000,
            health_factor: 8500,
            liquidation_price: 90,
        };

        self.positions.insert("pos_001".to_string(), sample_position);
        self.total_pnl = 50_000;

        Ok(())
    }

    fn print_summary(&self) {
        println!("\n📊 Position Summary (Update #{})", self.update_count);
        println!("{}", "═".repeat(60));
        println!("Total Positions: {}", self.positions.len());
        println!("Total P&L: ${}", self.total_pnl);

        if self.positions.is_empty() {
            println!("No open positions");
            return;
        }

        println!("\nPosition Details:");
        println!("{}", "─".repeat(60));

        for (_, pos) in &self.positions {
            let pnl_pct = if pos.collateral > 0 {
                (pos.pnl as i128 * 10000) / pos.collateral as i128
            } else {
                0
            } as i32;

            println!("  Position: {}", pos.position_id);
            println!("    Trader: {}", pos.trader);
            println!("    Side: {} | Size: {} | Leverage: {}x", pos.side, pos.size, pos.leverage);
            println!("    Entry: ${} | Current: ${} | P&L: ${} ({:.2}%)",
                pos.entry_price, pos.current_price, pos.pnl,
                pnl_pct as f64 / 100.0);
            println!("    Health: {:.2}% | Liquidation: ${}", 
                pos.health_factor as f64 / 100.0, pos.liquidation_price);

            // Alert if health is low
            if pos.health_factor < self.config.alert_health_factor_threshold {
                println!("    ⚠️  WARNING: Low health factor!");
            }

            println!();
        }

        println!("{}", "═".repeat(60));
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_position_monitor_config() {
        let config = PositionMonitorConfig::default();
        assert_eq!(config.update_interval_secs, 5);
        assert!(config.enable_notifications);
    }

    #[test]
    fn test_position_monitor_creation() {
        let monitor = PositionMonitor::new(PositionMonitorConfig::default());
        assert_eq!(monitor.positions.len(), 0);
        assert_eq!(monitor.total_pnl, 0);
    }
}