//////////////////////////////////////////////////////////////////////
//
// life.cs
//
// for Life game
//
//
//                                                    XIII
//////////////////////////////////////////////////////////////////////

using System;
using System.IO;

namespace MyLife
{

	class MyLifeMainClass
	{
		static void Main(string[] args)
		{
//----------------------//-------------------------------------------//
			MyLife life = new MyLife();
			if(args.Length<1)
			{
				Console.WriteLine("life v0.1");
				Console.WriteLine("usage: life <file_with_configuration>");
				life.Load();
			}
			else
				life.Load(args[0]);
			
			Console.WriteLine("press eny Enter to play; for Exit press q");

			while(Console.ReadLine()!="q")
				life.Show();
//----------------------//-------------------------------------------//
		}
	}

	public class MyLife
	{
		protected int age=0;
		protected int table_size_x=60;
		protected int table_size_y=20;
		// for store life-array
		char[,] itable;
		public MyLife()
		{
			itable = new char [table_size_y+2 , table_size_x+2];
			//
			// set border
			//
			int i,j;
			for(i=0;i<table_size_x+2;i++)
			{
				itable[0,i]='-';
				itable[table_size_y+1,i]='-';
			}
			for(j=0;j<table_size_y+2;j++)
			{
				itable[j,0]='|';
				itable[j,table_size_x+1]='|';
			}
			itable[0,table_size_x+1]='+';
			itable[table_size_y+1,0]='+';
			itable[0,0]='+';
			itable[table_size_y+1,table_size_x+1]='+';

		}
		public void Load()
		{
			//
			// generate random configuration
			//
			int seed = DateTime.Now.Hour;
			seed+=DateTime.Now.Minute;
			seed+=DateTime.Now.Millisecond;
			System.Random rnd = new System.Random(seed);
			for(int j=1; j<table_size_y+1; j++)
			{
				for(int i=1; i<table_size_x+1; i++)
				{
					if (rnd.Next(5)<2)
					{
						itable[j,i]='*';
					}
					else
					{
						itable[j,i]='0';
					}
				}
			}
		}
		public void Load(string file)
		{
			//
			// read configuration from file
			//
			if(file==null)
				return;

			// counters
			int i,j;

			StreamReader fs = null;
			try
			{
				fs = new StreamReader(file);
				j=0;
				for(string line = fs.ReadLine(); line != null; line = fs. ReadLine())
				{
					//Console.WriteLine(line);
					j++;
					if(line.Length>table_size_x || j>table_size_y+1) // ignor '\n'
					{
						Console.WriteLine("Line too long!");
						Console.WriteLine("need:");
						Console.WriteLine("x: {0}, y: {1}",table_size_x, table_size_y);
						Console.WriteLine("your x: {0}, y: {1}", line.Length, j);
						//
						// fill table with zero
						//
						for(j=1; j<table_size_y+1; j++)
						{
							for(i=1; i<table_size_x+1; i++)
							{
								itable[j,i]='0';
							}
						}
					}

					//
					// put data into array
					//
					if(j<table_size_x)
					{
						for(i=1; i<table_size_x+1; i++)
						{
							itable[j,i]=line[i-1];
						}
					}
				}
			}
			catch
			{
			}
			finally
			{
				if(fs!=null)
					fs.Close();
			}
		}
		public void Show()
		{
			Console.WriteLine("Age: {0}", age);
			age++;
			//
			// show configuration
			//
			for(int j=0; j<table_size_y+2; j++)
			{
				for(int i=0; i<table_size_x+2; i++)
				{
					if(itable[j,i]=='d')
						itable[j,i]='0';
					if(itable[j,i]=='a')
						itable[j,i]='*';
					if(itable[j,i]=='0')
						Console.Write(" ");
					else
						Console.Write(itable[j,i]);
				}
				Console.Write("\n");
			}
			Next();
		}
		public void Next()
		{
			//
			// calculate next configuration
			//
			int i,j, neibor;
			//----
			for(j=1; j<table_size_y+1; j++)
			{
				for(i=1; i<table_size_x+1; i++)
				{
					//-----------------------------
					switch(itable[j,i])
					{
						case 'a':
						case 'd':
						case '+':
						case '|':
						case '-':
							break;
						case '0':
						case '*':
							//-------------------------------------//
							neibor=0;
							if(itable[j-1,i]=='*'|| itable[j-1,i]=='d') // west
								neibor++;
							if(itable[j-1,i-1]=='*'|| itable[j-1,i-1]=='d')// north-west
								neibor++;
							if(itable[j,i-1]=='*'||itable[j,i-1]=='d')// north
								neibor++;
							if(itable[j+1,i-1]=='*'||itable[j+1,i-1]=='d')// north-east
								neibor++;
							if(itable[j+1,i]=='*'||itable[j+1,i]=='d')// east
								neibor++;
							if(itable[j+1,i+1]=='*'||itable[j+1,i+1]=='d')// south-east
								neibor++;
							if(itable[j,i+1]=='*'||itable[j,i+1]=='d')// south
								neibor++;
							if(itable[j-1,i+1]=='*'||itable[j-1,i+1]=='d')// south-west
								neibor++;
						switch(neibor)
						{
							case 0: 
							case 1: // will die
								if(itable[j,i]=='*')
									itable[j,i]='d';
								break;
								//	case 2:// stable =)
								//		if(itable[x][y]=='*')
								//			itable[x][y]='*';
								//		break;
							case 3: // will born
								if(itable[j,i]=='0')
									itable[j,i]='a';
								break;
							case 4: // will die
							case 5:
							case 6:
							case 7:
							case 8:
								if(itable[j,i]=='*')
									itable[j,i]='d';
								break;
							default:
								break;
						}
							//-------------------------------------//
							break;
						default:
							break;
					}
					//-----------------------------
				}
			}
		//----
		}
	}
}