import io.*;
import java.io.*;

public class TextAdventure
{

		private	TextFile text;
		private	Choices option;
		private	String directory;

		public TextAdventure (String folder)
		{
			directory = folder;
			text = new TextFile(directory+"/START.txt");
			option = new Choices(directory+"/START_opt.csv");
		}

		public void printCase()
		{
			text.printStory();
			option.printOptions();
		}

		public void getNextScene(int choice)
		{
			int lastIdx;
			String next;

			if(choice > option.getNumChoices())
			{
				throw new IllegalArgumentException("Invalid choice.");
			}
			else
			{
				lastIdx = option.getLastIdx(choice -1);
				next = option.nextScene((choice -1) , lastIdx);

				text.readScene(next+".txt");
				option.readOptions(next+"_opt.csv");

			}

		}

}