using System;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

     Program  p = new Program();

     p.start();

    }

    public void start(){

        Console.WriteLine("Skriv in rummets dimensioner (bredd och djup). Två heltal som ska sepereras med mellanslag.\n");

        string breddDjup = Console.ReadLine();

        string[] breddDjupArr = breddDjup.Split(' ');

        countWords(breddDjupArr);

        checkIfNumber(breddDjupArr[0]);

        checkIfNumber(breddDjupArr[1]);

        int x = 0;

        int y = 0;

        Int32.TryParse(breddDjupArr[0], out x);

        Int32.TryParse(breddDjupArr[1], out y);

        Console.WriteLine("Ange startposition \n");

        string startPos = Console.ReadLine();

        string[] startPosArr = startPos.Split(' ');

        countWords(startPosArr);

        checkIfNumber(startPosArr[0]);

        checkIfNumber(startPosArr[1]);

​

        string[] serieRader = new string[4];

        for(var i = 0; i < serieRader.Length; i++){

            Console.WriteLine("Ange Rörelse (tex  0,0)");

            string temp = Console.ReadLine();

            string[] tempArr = temp.Split(',');

            int xRad = 0;

            int yRad = 0;

​

            Int32.TryParse(tempArr[0], out xRad);

            Int32.TryParse(tempArr[1], out yRad);

            if(xRad <= x && yRad <= y){

                serieRader[i] = xRad + "," + yRad;

            }

        }       

    }

    public void runMachine(int bredd, int djup, string[] startPos, string[] movement){

        string[,] room = new string[bredd,djup];

        HashSet<string> coveredAreas = new HashSet<string>();

        for(var i = 0; i < movement.Length; i++){

            coveredAreas.Add(movement[i]);

        }

        int x = 0;

        int y = 0;

        Int32.TryParse(startPos[0], out x);

        Int32.TryParse(startPos[1], out y); 

        countSteps(x, y, coveredAreas);

    }

    public void countSteps(int curX, int curY, HashSet<string> area){

        int count = 0;

         foreach (string i in area){

            int tempX = 0;

            int tempY = 0;

            string tempXstring = i.Substring(0,1);

            string tempYstring = i.Substring(1,2);

            Int32.TryParse(tempXstring, out tempX);

            Int32.TryParse(tempYstring, out tempY);

            count += curX - tempX;

            count += curY - tempY;

        }

        Console.WriteLine("Totalt:" + count.ToString() + "\n");

    }

    public void checkIfNumber(string word){

        int n = 0;

        bool isNumeric = int.TryParse(word, out n);

        if(!isNumeric){

            Console.WriteLine("Skriv endast nummer!");

            throw new Exception("Only numbers!");

        }

    }

    public void countWords(string [] words){

        Console.WriteLine("words är:" + words.Length);

        if(words.Length > 2){

            Console.WriteLine("Skriv rätt format!");

            throw new Exception("Wrong format!");

        }

    }

}