/**
* Formatters for Position Data
* Extracted from index.ts for better modularity
*/
import type { Position } from '../signal-generation/position-management/positions'
import { calculateMAE } from '../signal-generation/risk-management/mae'
/**
* Format position data with PnL and MAE
*/
export function formatPosition(
position: Position | null,
currentPrice: number | null,
maeResult: ReturnType<typeof calculateMAE> | null
) {
if (!position || !currentPrice) {
return null
}
const quantity = Math.abs(position.quantity)
const entryPrice = position.entryPrice
const side = position.side || (position.quantity > 0 ? 'LONG' : 'SHORT')
// Calculate unrealized PnL
let unrealizedPnl = 0
let unrealizedPnlPct = 0
if (side === 'LONG') {
unrealizedPnl = (currentPrice - entryPrice) * quantity
unrealizedPnlPct = entryPrice > 0 ? ((currentPrice - entryPrice) / entryPrice) * 100 : 0
} else {
unrealizedPnl = (entryPrice - currentPrice) * quantity
unrealizedPnlPct = entryPrice > 0 ? ((entryPrice - currentPrice) / entryPrice) * 100 : 0
}
// Calculate PnL based on margin (if leverage is available)
const leverage = position.leverage || 1
const positionValue = entryPrice * quantity
const marginUsed = positionValue / leverage
const pnlPctOnMargin = marginUsed > 0 ? (unrealizedPnl / marginUsed) * 100 : 0
return {
side,
quantity,
entryPrice,
currentPrice,
leverage,
unrealizedPnl,
unrealizedPnlPct,
pnlPctOnMargin,
mae: maeResult?.mae || null,
worstPrice: maeResult?.worstPrice || null,
entryTime: position.entryTime || null,
}
}
