using System;

namespace PS3_Q2
{	//
	// Problem Set 3, Question 2
	// Written by Paul Hudak
	// October 4, 2006
	//
	class Class1
	{	//
		// The Crazy Paragraph Program.
		// Generates a paragraph of 3 to 6 random sentences.
		//
		[STAThread]
		static void Main(string[] args)
		{	
			// generate one random number generator for entire program
			Random r = new Random();

			// generate random paragraphs until user types something other than "yes"
			string response;
			do 
			{	CrazyParagraph(r);
				Console.Write("\nWould you like another paragraph? ");
				response = Console.ReadLine();
			}
			while (response == "yes");

			Console.WriteLine();
		}

		public static void CrazyParagraph(Random r)
		{
			Console.WriteLine();
			
			// determine number of sentences
			int num = r.Next(4) + 3;

			// generate "num" random sentences
			while (num>0)
			{	// choose sentence form randomly
				switch (r.Next(3))
				{	case 0: Sentence1(r); break;
					case 1: Sentence2(r); break;
					case 2: Sentence3(r); break;
				}
				num = num-1;
			}

			// done
			Console.WriteLine("\n");
		}

		public static void Sentence1(Random r)
		{	Console.Write("The {0} {1} {2}.  ", Adjective(r), Noun(r), Verb(r)); }

		public static void Sentence2(Random r)
		{	Console.Write("When the {0} {1} saw what was happening, she {2}.  ", Adjective(r), Noun(r), Verb(r)); }

		public static void Sentence3(Random r)
		{	Console.Write("She {0} violently, and then whacked the {1} {2}.  ", Verb(r), Adjective(r), Noun(r)); }

		public static string Verb(Random r)
		{	switch (r.Next(3))
			{	case 0: return "ran";
				case 1: return "hopped";
				case 2: return "walked";
				default: return "oops";
			}
		}

		public static string Noun(Random r)
		{	switch (r.Next(3))
			{	case 0: return "ball";
				case 1: return "student";
				case 2: return "professor";
				default: return "oops";
			}
		}

		public static string Adjective(Random r)
		{	switch (r.Next(3))
			{	case 0: return "red";
				case 1: return "silly";
				case 2: return "sad";
				default: return "oops";
			}
		}
	}
}