/* Lausekielinen ohjelmointi 2 Syksy 2017 UTA
 * Tallinen Anna (tallinen.anna.e@student.uta.fi)
 * Harjoitustyö 2
 */

 /* A program that will print ascii art
  * and make it possible for the user to do certain command-line arguments
  * concerning the array based ascii art. These commands are print, rotate,
  * and info. Info will show the stats of array, such as size and different types
  * of elements.
  */

public class ASCIIArt17{

   public static int[] readFile(String fileName){
      /* a method for reading the file that
       * contains the ascii art picture
       */

      //counter for rows
      //saves the longest row, i.e. the amount of columns

      int columns = 0;
      int rows = 0;
      int[] helperArray =  new int[2];

      //checking exceptions
      try{
         //opening the file
         File filetree = new File("file_tree.txt");

         Scanner reader = new Scanner(file_tree);

         //reading
         while(reader.hasNextLine()){
            // reading one row
            String rows = reader.nextLine();
            if(rows.length > columns){
               longestColumn = rows.length;
            }

            //next row
            rows++;
         }
         //closing the reader
         reader.close();
      }
      //catching exceptions
      catch (Exception e){
         rows = -1;
      }
      helperArray[0] = columns;
      helperArray[1] = rows;

      // returning the array containing column and row sizes
      return helperArray;
   }
   public static char[][] readASCII(int rows, int columns){
      char[][] helperArray2 = new char[rows][columns];

      try{
         //opening the file
         File file_tree = new File("file_tree.txt");

         Scanner reader = new Scanner(file_tree);

         int c = 0;
         //reading
         while(reader.hasNextLine()){
            // reading one row
            String elements = reader.nextLine();
            for(int i = 0; i < elements.length; i++){
               helperArray2[c][i] = elements.charAt(i);
            }

            c++;
         }
         //closing the reader
         reader.close();
      }
      //catching exceptions
      catch (Exception e){
         rows = -1;
      }
   }

   public static char[][] fillArray(String fileName){
     int rows = readFile(fileName);
     //luentokalvot 6. esimerkki lukemisesta ja tulostamisesta
     int columns = 0;
     return null;

   }
   public static void printBanner(){
      /* a method for printing the opening banner
       * i.e. program's name
       */
      System.out.println("-----------------------");
      System.out.println("| A S C I I A r t 1 7 |");
      System.out.println("-----------------------");
   }
   public static void printArray(char[][] gatheredASCIIpicture){
      if(array != null){
         //amount of rows and columns
         int totalRows = gatheredASCIIpicture.length;
         int totalCol = gatheredASCIIpicture[0].length;

         //printing rows
         for (int row = 0; row < totalRows; row ++){
            //printing row
            for (int column = 0; column < totalCol; column++){
               System.out.print(gatheredASCIIpicture[row][column]);
            }
            //new line
            System.out.println();
         }
      }
   }
   public static void main (String[] args){
      if(args.length == 1){
         printBanner();
         int[] arraySizeValues = readFile(fileName);
         int rows = arraySizeValues[1];
         int columns = arraySizeValues[0];
         char[][] gatheredASCIIpicture = readASCII(rows, columns);

         char[][] chars = fillArray(args[0]);

         char[] charArray = new char[]{'#', '@', '&', '$', '%', 'x', '*', 'o', '|', '!', ';',
         ':', '\'', ',', '.', ' '};

         System.out.println("Please, enter a command:");


         if(args[0] == "print"){
            printArray(gatheredASCIIpicture);
         }
         /*
         for(int i = 0; i < args.length; i++){

            int totalColumns;

            if(args[i] == print){
               fillArray(totalRows, columns);
            }
            else{
               if()
            }
         }
         */
      }
      else{
         printBanner();
         System.out.println("Invalid command-line argument!");
         System.out.println("Bye, see you soon.");
      }
   }
}