#include "SmartBuyStrategy.h"
#include "Stock.h"

SmartBuyStrategy::SmartBuyStrategy( unsigned int gainTime, double minLoss, double howMuch ) :
  gainTime_( gainTime ),
  minLoss_( minLoss ),
  howMuch_( howMuch )
{
}

SmartBuyStrategy::~SmartBuyStrategy()
{
}

long SmartBuyStrategy::buy( Stock* stock, double capital, double buyPrice, long amount  )
{
  if ( - stock->gain( gainTime_ ) >= minLoss_ )
   {
     price_ = stock->price() * 1.001;
     long maxAmount = (long) ( capital / price_ );
     amount = (long)(howMuch_ * maxAmount);
     return amount;
   }
  return 0;
}