#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "CStr.hpp"
#include "cmenu.hpp"
#include "spitball.hpp"


extern int num_commands;
extern CMenu *commands[];




void Init_Commands(void) {
	commands[0] = new CMenuBell;
	strcpy(commands[0]->title, "Sound a bell.\n");
	commands[1] = new CMenuSaying;
	strcpy(commands[1]->title, "Print a wise saying.\n");
	commands[2] = new CMenuAdd;
	strcpy(commands[2]->title, "Add two numbers.\n");
	num_commands = 3;
}
	
                                                               


int main()
{
	int i, sel;

	Init_Commands();
	do {
		puts("\nMENU: \n");
		for (i=0; i<num_commands; i++)
			printf("%d. %s", i, commands[i]->title);
		printf("Enter a selection: ");
		scanf("%d", &sel);
		if (sel >= 0 && sel <= num_commands)
			commands[sel]->Do_Command();
	}while (sel <= num_commands);
	

	try {							// check for exceptions since constructors
									// can't return a value
		CStr string1, string2;

		string1.cpy("My name is ");
		string2.cpy("Burt.");
		string1.cat(string2.get());
		printf("%s\n",string1.get());

		CStr first("Burt");			//calls CStr::CStr(char *)
		CStr last = "Crockett";     //also calls CStr::CStr(char *) on var definition  
		CStr name;
		name = first + " " + last;  //calls operator= since not var definition
		CStr phrase = name + " was ";
		phrase += "here.";
		printf("%s\n",phrase.get());
		printf("%s\n",name);		// calls conversion function
	}
	
	catch (spitball gross) {
		printf("%s\n",gross);
		exit(-1);
	}

	return 0;
}