import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class Library implements Comparable<Library>{
    public int id;
    public int signUpTime;
    public int numberOfBooks;
    public int numberShipDays;
    public List<Book> books;
    public int rate = 0;

    public Library(int id, int numberOfBooks, int signUpTime , int numberShipDays) {
        this.id = id;
        this.signUpTime = signUpTime;
        this.numberOfBooks = numberOfBooks;
        this.numberShipDays = numberShipDays;
        books = new ArrayList<>();
    }

    public Library(){}

    @Override
    public int compareTo(Library o) {
        return rate - o.rate;
    }

    public int totalLibraryScore() {
        int count = 0;

        for (Book b: books) {
            count+=b.score;
        }

        return count;
    }

    public void calculateAverageDayScore() {
        double totalBookScore = totalLibraryScore();
        int daysToShipAll = numberOfBooks/numberShipDays;

        this.rate = (int) (totalBookScore/numberShipDays);
    }

    public void calculateScoreOfLibraryAfterNDays(/*int nDays*/)   {
        int nDays = 1000;
        int scoreAfterNDays = 0;

        Collections.sort(books, Collections.reverseOrder());


        int bookIndex = 0;
        for(int i = 0; i < nDays; i++) {
            if (i >= signUpTime)    {
                for(int j = 0; j < numberShipDays; j++)  {
                    if(books.size()-1 > j+bookIndex)  {
                        scoreAfterNDays += books.get(j + bookIndex).score;
                    }
                }
                bookIndex+=numberShipDays;
            }

        }
        this.rate = scoreAfterNDays;
        /*return scoreAfterNDays;*/
    }
}