/* DeleteName.java written by Craig Persiko
   CS 111A Solution to in-class exercise
   Gets an array of names from the command line,
   inputs one name from user, and deletes that name from the list.
*/

import java.util.Scanner;

class DeleteName
{
  public static void main(String[] args)
  {
    Scanner scan = new Scanner(System.in);
    String inputtedName;
    boolean nameFound = false;
    int numNames;
    
    // Make sure user entered at least one command line argument:
    if(args == null || args.length < 1)
    {
      System.out.println("usage: java SearchName Craig Bob Jane Ming:");
      System.out.println("To search for a name in the list (Craig Bob Jane Ming)");
      return;
    }

    System.out.println("Which name are you looking for?");
    inputtedName = scan.nextLine();

    numNames = args.length;
    for(int i=0; i < numNames; i++)
    {
      if(args[i].equalsIgnoreCase(inputtedName)) 
      {
        System.out.println("Removing " + inputtedName + " from the list.");
        // Starting with element i (the one to delete) Replace each element with the one that follows it:
        for(int d=i; d < numNames-1; d++)
          args[d] = args[d+1];
        numNames--; // now we will remember that we have one fewer name, and only look at the ones which remain.
        nameFound = true;
        break;
      }
    }

    if(!nameFound)
      System.out.println("Name not found.");

    System.out.println("Here are the remaining names:");
    for(int i=0; i < numNames; i++)
      System.out.print(args[i] + " ");

    System.out.println();
  }
}

/* Sample Output:

[cpersiko@fog cs111a]$ java DeleteName Bassam Robert Ha Andy Korman Francisco Gloria
Which name are you looking for?
Robert
Removing Robert from the list.
Here are the remaining names:
Bassam Ha Andy Korman Francisco Gloria 
[cpersiko@fog cs111a]$ java DeleteName Nicholas Francisco Elaine Joseph
Which name are you looking for?
Gloria
Name not found.
Here are the remaining names:
Nicholas Francisco Elaine Joseph 
[cpersiko@fog cs111a]$ java DeleteName Nicholas Francisco Elaine Joseph
Which name are you looking for?
Joseph
Removing Joseph from the list.
Here are the remaining names:
Nicholas Francisco Elaine 
[cpersiko@fog cs111a]$ 

*/