//implmentaion file for Movie class
// Author: 
// date:
// known bug: none
#include <iostream>
#include <assert.h>
using namespace std;

#include "Movie.h"


Movie::Movie()
{
	cout <<"Default constructor is called\n";
	name=string("");
	MPAA_rating=string("");
	for (int i=0;i<=5;i++)
		peopleRated[i]=0;
}

Movie::Movie(string n, string r)
{
	cout <<"Constructor with two parameters is called\n";
	name = n;
	MPAA_rating = r;

	for (int i=0;i<=5;i++)
		peopleRated[i]=0;
}

Movie::~Movie()
{
	cout <<"destructor called\n";
	cout <<"Nothing special needs to be done\n";
}

//return the movie name of the calling object
string Movie::GetName () const{
	return name;
	// return this->name;
}

//return MPAA rating of the calling object
string Movie::GetRating () const 
{
	return MPAA_rating; 
}
   
//set conresponding fields of calling object
void Movie::SetName (string newName)
{
	name = newName; // this->name = newName;
}

void Movie::SetRating (string newRating)
{
	assert (newRating=="R" || newRating=="PG-13");
 	MPAA_rating = newRating; 
}


//Please finish all above functions..... in 15 mins. 

// rating is between 1 and 5
// increment the corresponding counter 
void Movie::AddRating (int rating)
{
    assert (rating >=1 && rating<=5);
    peopleRated[rating]+=1;

}

   // calculate and return avergage rating of the calling object
float Movie::GetAverageRating () const
{
     double totalRating=0.0;
     int totalPeople=0;

     for (int i=1;i<=5;i++)
     {
		totalRating += i*peopleRated[i];
		totalPeople+=peopleRated[i];
     }
     if (totalPeople==0)
	     return 0.0;
     else
     	return (totalRating/totalPeople);

}