import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class WMStats {

    private static final String FILE_NAME = "pagecounts-20141029-230000";
    private static final String PREFIX = "en ";
    private static final String DELIMITER = " ";
    private static final int THRESHOLD = 500;

    public static void main(String[] args) throws IOException {
        new WMStats().go();
    }

    public void go() throws IOException {
        List<NameAndCount> list = new ArrayList<>();

        long start = System.currentTimeMillis();

        try (BufferedReader reader = new BufferedReader(new FileReader(FILE_NAME))) {
            for (String line; (line = reader.readLine()) != null; ) {
                if (!line.startsWith(PREFIX)) {
                    continue;
                }
                String[] parts = line.split(DELIMITER);
                int count = Integer.parseInt(parts[2]);
                if (count >= THRESHOLD) {
                    list.add(new NameAndCount(parts[1], count));
                }
            }
        }
        Collections.sort(list);

        System.out.println("Query took " + (System.currentTimeMillis() - start) / 1000f + " seconds");

        for (NameAndCount pair : list.subList(0, 9)) {
            System.out.println(pair.name + " (" + pair.count + ")");
        }
    }

    class NameAndCount implements Comparable<NameAndCount> {
        String name;
        int count;

        NameAndCount(String name, int count) {
            this.name = name;
            this.count = count;
        }

        @Override
        public int compareTo(NameAndCount other) {
            return Integer.compare(other.count, count);
        }
    }
}