GrumpsGenerator

import java.util.Random;

public class GrumpsGenerator {

  private final String INTRO_START = "Welcome back to";
  private final String OUTRO_START = "Next time on";

  private final String[] NAMES = { "Game Grumps", "Gample Gust", "Grep",
      "Gash Garst", "Gurp Gurp Gurp Gurp", "Squidward", "Batman",
      "Grumble Dumps", "Groomp Croomp", "Gargarsh", "Grusput", "Goof Troop" };
  private final int UPPERCASE_NAMES = 0;

  private final String[] LINE_STARTS = { "OH IT'S A",
      "ROLLING AROUND AT THE SPEED OF", "POPPY BROTHERS JUNIOR",
      "WHAT IS THIS?", "Look at this", "Look at that dang-ass", "Real talk?",
      "I legitimately think", "I hate when", "Pause balls by going upstairs," };
  private final int UPPERCASE_LINE_STARTS = 4;

  private final String[] LINE_ENDS = { "IT'S NO USE", "BARRY, PUT THAT IN",
      "POPPY BROTHERS SENIOR", "WE ALWAYS RESET TOGETHER", "GREATGREATGREAT",
      "WHAT IS MY LIFE?", "Pumbloom", "dang", "game feel", "Silver",
      "*Jon coughs*", "[JON NO]", "Chiz Peetza" };
  private final int UPPERCASE_LINE_ENDS = 6;

  private Random random;

  private StringBuilder sb;

  private int lineCount;

  public GrumpsGenerator() {
    random = new Random();

    sb = new StringBuilder();

    generateIntro();

    lineCount = random.nextInt(30) + 5;

    generateLines(lineCount);

    generateOutro();
  }

  public void generateIntro() {
    String intro = INTRO_START + " " + NAMES[random.nextInt(NAMES.length)];

    sb.append(intro + "\n");
  }

  public void generateLines(int n) {
    for (int i = 0; i < n; i++) {
      int lineStartIndex = random.nextInt(LINE_STARTS.length);
      int lineEndIndex = random.nextInt(LINE_ENDS.length);

      String line = LINE_STARTS[lineStartIndex] + " " + LINE_ENDS[lineEndIndex];

      if (lineStartIndex < UPPERCASE_LINE_STARTS
          || lineEndIndex < UPPERCASE_LINE_ENDS)
        line = line.toUpperCase();

      sb.append(line + "\n");
    }
  }

  public void generateOutro() {
    String outro = OUTRO_START + " " + NAMES[random.nextInt(NAMES.length)];

    sb.append(outro + "\n");
  }

  @Override
  public String toString() {
    return sb.toString();
  }

  public static void main(String[] args) {
    System.out.println(new GrumpsGenerator());
  }
}