// Helene Martin, CSE 142
// Calculates scores for section attendance based on a data file
// Structured by thinking of the high-level tasks: 
//		tallying scores, calculating percents, reporting results
// Each data transformation is a method.
import java.util.*;
import java.io.*;

public class SectionStructured {
	public static void main(String[] args) throws FileNotFoundException {
		Scanner fScan = new Scanner(new File("sections.txt"));
		
		int section = 1;
		while (fScan.hasNextLine()) {
			String line = fScan.nextLine();
			int[] scores = countScores(line);
			double[] percents = calcPercents(scores);
			
			report(section, scores, percents);
			
			section++;
		}
	}
	
	// given a String representing section attendance, return scores for 5 students
	public static int[] countScores(String line) {
		int[] scores = new int[5];
		for (int i = 0; i < line.length(); i++) {
			char c = line.charAt(i);
			if (c == 'y') {
				// every fifth score belongs to a particular student
				scores[i % 5] += 3;
			} else if (c == 'n') {
				scores[i % 5]++;
			}
			
			// cap scores at 20;
			scores[i % 5] = Math.min(scores[i % 5], 20);
		}	
		return scores;
	}
	
	// given a set of scores for 5 students, return their percentage grades
	public static double[] calcPercents(int[] scores) {
		double[] percents = new double[5];
		for (int i = 0; i < scores.length; i++) {
			percents[i] = scores[i] / 20.0 * 100;
		}
		return percents;
	}
	
	public static void report(int section, int[] scores, double[] percents) {
		System.out.println("Section " + section);
		System.out.println("Student scores: " + Arrays.toString(scores));
		System.out.println("Student percent: " + Arrays.toString(percents));
		System.out.println();	
	}
}