// Massingill, Berna L.
// 2000Apr19
// CS1321

// Program to Test Hash Table Class

#include <iostream>
#include <string>
#include <stdlib.h>		// has EXIT_SUCCESS
#include <assert.h>
#include "hashTable.h"

int main(void)
{
  hashTable h;

  string prompt =
    "Please enter an operation to perform:\n"
    "    ?: this prompt again\n"
    "    x: exit\n"
    "    i: insert\n"
    "    r: remove\n"
    "    q: query\n"
    "    p: print\n"
    "    P: print with internal info\n";
  string prompt2 =
    "Command?\n";

  string reply;

  cout << prompt;
  cout << prompt2;
  while (getline(cin, reply)) {
    if (reply.size() > 0) {
      char c = reply[0];

      if (c == '?')
	cout << prompt;

      else if (c == 'x')
	break;

      else if (c == 'i') {
	string key;
	cout << "Enter key to insert:\n";
	getline(cin, key);
	h.insert(key);
      }

      else if (c == 'r') {
	string key;
	cout << "Enter key to remove:\n";
	getline(cin, key);
	h.remove(key);
      }

      else if (c == 'q') {
	string key;
	cout << "Enter key to look up:\n";
	getline(cin, key);
	if (h.query(key))
	  cout << "Matching key found\n";
	else
	  cout << "No matching key found\n";
      }

      else if (c == 'p') {
	cout << "Contents of table:\n";
	cout << h << endl;
      }

      else if (c == 'P') {
	h.printInfo(cout);
      }

      else
	cerr << "Invalid command\n";
    }
    cout << prompt2;
  }

  cout << "That's all, folks!\n";
  return EXIT_SUCCESS;
}