//  main.cpp
//  PolymorphicArray
//  Created by Robert Metcalfe on 29/05/13 ...  Abstract base class, two subclasses, polymorphic array
//  Copyright (c) 2013 Robert Metcalfe. All rights reserved.
using namespace std;
#include <iostream>

class Cmd {
public:
    virtual void showIt() { std::cout << "Nothing to do" << std::endl; };
    void execute(Cmd* ourcp) { ourcp->showIt(); };
};

class CmdMessage: public Cmd {
public:
    char* mymsg;
    CmdMessage(char* mymessage) { mymsg = mymessage; };
    void showIt() { std::cout << mymsg << std::endl;  };
};

class CmdRepeat: public Cmd {
public:
    Cmd* thecmd;
    int timesToDo;
    CmdRepeat(Cmd* mycmd, int n) { thecmd = mycmd;  timesToDo = n; };
    void showIt() { for (int i=0; i<timesToDo; i++) thecmd->showIt();  };
};

int main(int argc, char** argv) {
    CmdMessage wakeUp((char *)"Wake up");
    CmdMessage getOutOfBed((char *)"Get out of bed");
    CmdMessage sitDownForBreakfast((char *)"Sit down for breakfast");
    CmdMessage eatYourGreens((char *)"Eat your greens");
    CmdRepeat repetition(&eatYourGreens, 5);
    Cmd* thecmds[4] = {&wakeUp, &getOutOfBed, &sitDownForBreakfast, &repetition};
    
    for (int i=0; i<4; i++) thecmds[i]->showIt();
    return 0;
}