import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
/**
* Created by fengxiaoping on 5/15/16.
*/
public class GameHelper {
private static final String alphabet = "abcdefg";
private int gridLength = 7;
private int gridSize = 49;
private int[] grid = new int[gridSize];
private int comCount = 0;
public String getUserInput(String prompt) {
String inputLine = null;
System.out.println(prompt + " ");
try {
BufferedReader is = new BufferedReader(new InputStreamReader(System.in));
inputLine = is.readLine();
if (inputLine.length() == 0) return null;
} catch (IOException e) {
System.out.println("IOException : " + e);
}
return inputLine.toLowerCase();
}
public ArrayList<String> placeDotCom(int comSize) {
ArrayList<String> alphaCells = new ArrayList<String>();
String[] alphacoords = new String[comSize];
String temp = null;
int[] coords = new int[comSize];
int attempts = 0;
boolean success = false;
int location;
comCount++;
int incr = 1;
if ((comCount % 2) == 1) {
incr = gridLength;
}
while (!success & attempts++ < 200) {
location = (int) (Math.random() * gridSize);
// System.out.println("try" + location);
int x = 0;
success = true;
while (success && x < comSize) {
if (grid[location] == 0) {
coords[x++] = location;
location += incr;
if (location >= gridSize) {
success = false;
}
if (x > 0 && (location % gridLength == 0)) {
success = false;
}
} else {
System.out.println("used" + location);
success = false;
}
}//end of inner while loop
}//end of outer while loop
int x = 0;
int row = 0;
int column = 0;
System.out.println("\n");
while (x < comSize) {
grid[coords[x]] = 1;
row = (int) (coords[x] / gridLength);
column = coords[x] % gridLength;
temp = String.valueOf(alphabet.charAt(column));
alphaCells.add(temp.concat(Integer.toString(row)));
x++;
// System.out.println(" coord " + x +" = "+ alphaCells.get(x-1));
}
//System.out.println("/n");
return alphaCells;
}// end of method placeDotCom(int comSize)
}
