#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>


// global array for maze
char **maze;


int main(int argc, char *argv[])
{
    FILE* mazeFile; 			        /* Maze Input File */
    char chold;                             /* Holds character for line input from file */
    int row = 0;                            /* Holds number of rows for input from file */
    int col = 0;                            /* Holds number of cols for input from file */
    char shold[2000];                   /* Holds lines for input from file */
    int l = 0;
    int k = 0;
    int c1 = 0;
    int c2 = 0;
    
	// check to see if 
    if (argc != 2)
    {
		printf("An error has ocurred no input file was given.\n");
		return 1;
    }
    mazeFile = fopen(argv[1], "r"); 
    if (mazeFile == NULL)
    {
	printf("Error in opening the file.\n");
        return 1;
    }
    fgets(shold, 2, mazeFile);
    while ( !feof(mazeFile) )
    {

	switch(shold[0])
	{
		case 'M':
            fscanf(mazeFile, "%d %d", &row, &col);
            // possible dynamic allocation of 2D array
            // dynamic allocation of array for maze
            int i = 0, j = 0;
            maze = malloc(row * sizeof(char *));
	        for(i = 0; i < row; i++)
			{
		        maze[i] = malloc(col * sizeof(char));
			}
            for (i = 0; i < row; i++)
            {
                for (j = 0; j < col; j++)
                {
					fscanf(mazeFile, "%c", &maze[i][j]);
					if (maze[i][j] == '\n')
					{
						fscanf(mazeFile, "%c", &maze[i][j]);
					}
                }
            }
			break;
		case 'P':
			fscanf(mazeFile, "%d %d", &k, &l);
			maze[k][l] = 'P';
			break;
		
		case 'Z':
			fscanf(mazeFile, "%d %d", &k, &l);
			maze[k][l] = 'Z';
			printf("%c" , maze[k][l]);
		break;

		case 'T':
        	fscanf(mazeFile, "%d %d", &k, &l);
			maze[k][l] = 'T';
			break;
		case '\n':
				printf("\n");
				break;
		default:
				break;
	};
         fgets(shold, 2, mazeFile);
         if (feof(mazeFile))
         {
		 break;
	 }
    }
    fclose(mazeFile);
	for (c1 =0; c1 < row; c1++)
	{
		printf ("\n");
		for (c2=0; c2 < col; c2++)
		{
			printf("%c", maze[c1][c2]);
		}
	}

    //free the memory
	int i = 0;
	for(i = 0; i < row; i++)
	{
		free(maze[i]);
	}
	free(maze);
	printf("\n");

    return 0;
}