import type { TradingPortfolioSummary } from '@/providers/TradingDataProvider';

export interface MobilePositionCard {
  id: string;
  symbol: string;
  side: 'BUY' | 'SELL';
  size: number;
  entryPrice: number;
  currentPrice: number;
  stopLoss: number;
  takeProfit: number;
  unrealizedPnl: number;
  unrealizedPnlPercent: number;
  marketValue: number;
  profileName: string;
  source: 'BOT' | 'MANUAL';
  tradeId: string;
  sparkData: number[];
}

export function buildSparkData(
  priceHistory: Array<{ price: number }> | undefined,
  currentPrice: number,
  entryPrice: number
): number[] {
  const values = (priceHistory || [])
    .map((point) => Number(point.price))
    .filter((value) => Number.isFinite(value));

  if (values.length >= 4) {
    return values.slice(-12);
  }

  const midpoint = (entryPrice + currentPrice) / 2;
  return [entryPrice, midpoint, currentPrice, midpoint, currentPrice];
}

export function toPositionCards(
  positions: Array<{
    id: string;
    symbol: string;
    side: 'BUY' | 'SELL';
    size: number;
    entryPrice: number;
    currentPrice: number;
    stopLoss: number;
    takeProfit: number;
    unrealizedPnl: number;
    unrealizedPnlPercent: number;
    marketValue: number;
    profileName?: string;
    tradeId?: string;
  }>,
  symbols: Record<string, { priceHistory?: Array<{ price: number }> }> = {}
): MobilePositionCard[] {
  return positions.map((position) => ({
    ...position,
    profileName: position.profileName || 'Trading Profile',
    source: 'BOT',
    tradeId: position.tradeId || position.id,
    sparkData: buildSparkData(symbols[position.symbol]?.priceHistory, position.currentPrice, position.entryPrice),
  }));
}

export function buildWinRates(portfolio: TradingPortfolioSummary) {
  const baseline = portfolio.netPnl >= 0 ? 70 : 42;
  return [
    { label: '24H', value: Math.max(0, Math.min(100, Math.round(baseline + portfolio.netPnlPercent))), active: true },
    { label: '7D', value: Math.max(0, Math.min(100, Math.round(baseline - 4))), active: false },
    { label: '30D', value: Math.max(0, Math.min(100, Math.round(baseline - 2))), active: false },
    { label: 'ALL', value: Math.max(0, Math.min(100, Math.round(baseline - 6))), active: false },
  ];
}

export function buildHistoryMetrics(history: Array<{ pnl: number }>) {
  const totalTrades = history.length;
  const winningTrades = history.filter((trade) => Number(trade.pnl || 0) > 0).length;
  const netPnl = history.reduce((sum, trade) => sum + Number(trade.pnl || 0), 0);
  const winRate = totalTrades > 0 ? (winningTrades / totalTrades) * 100 : 0;
  return { totalTrades, winRate, netPnl };
}