using UnityEngine;
using System.Collections;

public class SquareCipher : MonoBehaviour {
	public string text2encrypt;
	public string inputHere = "Input text Here";
	double Squareroot;
	string outputHere = "";

	void Start ()
	{
		//Squareroot = Mathf.RoundToInt (Mathf.Sqrt (inputHere.Length));
	}

	void encryptText ()
	{
		int length = inputHere.Length;
		string tempInput = inputHere.Replace (" ","-") + inputHere.Replace (" ","-");
		Squareroot = Mathf.Sqrt (inputHere.Length);
		bool isSquare = Squareroot % 1 == 0;
		while (!isSquare){
			length++;
			Squareroot = Mathf.Sqrt(length);
			isSquare = Squareroot % 1 == 0;
		}
		string encryptedtxt = "";
		for (int i =0; i<Squareroot; i++) {
			for (int j=0; j<(int)Squareroot*(int)Squareroot; j+=(int)Squareroot) {
				encryptedtxt += tempInput.Substring (j + i, 1);
				Debug.Log (i + "," + (j + i).ToString ());
			}
		}
		outputHere = encryptedtxt;
	}

	void OnGUI ()
	{
		GUI.Label(new Rect(145,200,200,20), "Input: ");
		GUI.Label(new Rect(400,200,200,20), "Output: ");
		outputHere = GUI.TextField(new Rect(400,225,175,150), outputHere);
		inputHere = GUI.TextField(new Rect(145,225,175,150), inputHere);
		if(GUI.Button(new Rect(100,170,120,20), "Encrypt/Decrypt")){
		encryptText();
		}
		if(GUI.Button(new Rect(100,500,120,20), "Caesar Ciphering")){
		Application.LoadLevel("CaesarCipher");
		}
	}
}