#include <iostream>
#include <iomanip>
#include <fstream>
#include <string>
//standards, instead of "using namespace std;"
using std::cerr;
using std::cout;
using std::cin;
using std::endl;
using std::string;
using std::setw;
using std::ifstream;
using std::ws;

const int LessThan5 = 0;
const int Age18to24 = 2;
const int Age25to34 = 3;
const int Age65to74 = 7;
const int Age75to84 = 8;
const int GtrThan85 = 9;




class Population
{
  private:
	//data members
	string state;
	int    age[10];

  public:
	//constructor method
	Population();

	//accesor methods
	string get_state(void);
	void set_state(string);

	int get_age(int);
	void set_age(int, int);

	//other methods
	int total_pop();
};

//Constructor 
Population::Population()
{
    state = "";
    for (int i = 0; i < 10; i++)
	age[i] = 0;
}

//state
string Population::get_state(void)
{
     return state;
}

void Population::set_state(string x)
{
     state = x;
}

//ages
int Population::get_age(int i)
{
    return age[i];
}

void Population::set_age(int i, int a)
{
     age[i] = a;
}

//total population function
int Population::total_pop()
{
    int total = 0;
    for (int i = 0; i < 10; i++)
	total += age[i];

    return total;
}

//Functions
int load_data(string , Population []);
int least_under_5(Population [], int);
//int most_under_5(Population [], int);
//int least_18_to_34(Population [], int);
//int most_18_to_34(Population [], int);
//int least_over_64(Population [], int);
//int most_over_64(Population [], int);


//MAIN PROGRAM
int main()
{
    Population p[70];
    string filename;

    cout << "File to open? ";
    cin >> filename;

    cout << load_data(filename, p) << " records read from " 
	 << filename << endl;


/******NOT TO BE INCLUDED IN FINAL PROGRAM******
	//get state and print
	for (int i=0;i<51;i++)
	{
		cout << p[i].get_state() << endl;
		//get ages and print
		for (int j=0;j<10;j++)
		{
			cout << setw(6) << p[i].get_age(j);
		}
		cout << endl;
	}
******NOT TO BE INCLUDED IN FINAL PROGRAM******/



	//test
	cout << "Alabama total: " << p[0].total_pop() << endl;
	cout << "least is: " << least_under_5(p, 51);

    return 0;
}




//data_load function...[LessThan5]
int load_data(string f, Population p[])
{
    string s;
    int ages, 
	i = 0;


    ifstream file;

    file.open(f.c_str());

    if (!file)
    {
	cerr << "Error, file not opening..." << endl;
	return 0;
    }
    else
    {
        //set state name
        getline(file, s);
        p[i].set_state(s);
	  
        //set numbers
        for (int j = 0; j < 10; j++)
        {
            file >> ages >> ws;
            p[i].set_age(j, ages);
        }

        while (!file.eof())
        {	  
	  
    	      //increase count
	      i++;

	      //set state name
	      getline(file, s);
	      p[i].set_state(s);
	  
	      //set numbers
	      for (int j = 0; j < 10; j++)
	      {
	          file >> ages >> ws;
	          p[i].set_age(j, ages);
	      }

	  
        }//closing while

        file.close();//closing file
    }//closing else
    
    //element 0 needs to be counted for, 
    //so we add one onto i for the total
    //number of elements used in the array.
    return i + 1;
}


int least_under_5(Population p[], int size)
{
    int least = 0;

    for (int i = 1; i < size; i++)
        if (p[i].get_age(LessThan5) / p[i].total_pop() < p[least].get_age(LessThan5) / p[least].total_pop())
            least = i;


    return least;
}