// Shared storage for paper trades
// In production, this should be replaced with a proper database

let paperTrades = []
let tradeIdCounter = 1

export function addTrade(trade) {
  const newTrade = {
    ...trade,
    id: `PAPER_${Date.now()}_${tradeIdCounter++}`,
    status: 'OPEN',
    createdAt: new Date().toISOString(),
    pnl: 0,
    fees: 0
  }
  
  paperTrades.push(newTrade)
  console.log(`📄 Paper trade stored: ${newTrade.id} - ${newTrade.side} ${newTrade.symbol} at $${newTrade.entry}`)
  
  return newTrade
}

export function getAllTrades() {
  return paperTrades
}

export function getTradeStats() {
  const totalTrades = paperTrades.length
  const totalValue = paperTrades.reduce((sum, trade) => {
    return sum + (trade.side === 'BUY' ? -trade.amount : trade.amount) + trade.pnl
  }, 0)
  
  const buyTrades = paperTrades.filter(t => t.side === 'BUY').length
  const sellTrades = paperTrades.filter(t => t.side === 'SELL').length
  
  return {
    totalTrades,
    totalValue,
    buyTrades,
    sellTrades,
    paperTrades
  }
}