#include "SimpleBuyStrategy.h"
#include "Stock.h"

SimpleBuyStrategy::SimpleBuyStrategy( unsigned int gainTime, double minGain, double howMuch ) :
  gainTime_( gainTime ),  minGain_( minGain ), howMuch_( howMuch )
{
}

SimpleBuyStrategy::~SimpleBuyStrategy()
{
}

long SimpleBuyStrategy::buy( Stock* stock, double capital, double, long )
{
  if ( stock->gain( gainTime_ ) >= minGain_ )
  {
    price_ = stock->price() * 0.999;
    long maxAmount = (long) ( capital / price_ );
    long amount = (long)(howMuch_ * maxAmount);
    return amount;
  }
  price_ = 0;
  return 0;
}