private List<Date> generateDatesForFlowers() {
int desiredFlowersPerMonth = girl.getDesiredFlowersPerMonth();
List<Date> importantDates = Lists.newArrayList(girl.getImportantAnniversariesDates().values());
if (desiredFlowersPerMonth <= importantDates.size()) {
return importantDates;
}
Date now = new Date();
Date monthAfter = new Date(System.currentTimeMillis() + TimeUnit.DAYS.toMillis(30));
List<Date> flowersDates = Lists.newArrayList();
final Random random = new Random();
for (int i = desiredFlowersPerMonth; i-- > 0; ) {
int dayOfMonth = random.nextInt(30 + 1);
Date potentialNewDate = new Date(now.getTime() + TimeUnit.DAYS.toMillis(dayOfMonth));
while (flowersDates.contains(potentialNewDate)) {
dayOfMonth = random.nextInt(30 + 1);
potentialNewDate = new Date(now.getTime() + TimeUnit.DAYS.toMillis(dayOfMonth));
}
flowersDates.add(potentialNewDate);
}
return flowersDates;
}
