//----------------------------------------------------------------------------//
// Name: William Lee                                                          //
// Student ID: 1012604                                                        //
// Assignment: 1. Find the best crop for Old MacDonald to plant.              //
//----------------------------------------------------------------------------//

#include <iostream>
#include <iomanip>
#define SIZE 4 //number of types of crops
using namespace std;

void calculate(float cost, int yield, float price, float increase, float &mnP, float &mxP, float &avgP);
void getData(string &crop, float &cost, int &yield, float &price, float &increase);
void printResults(string crop, float mnP, float mxP, float avgP);

int main()
{
      //Declarations
      string crop, bestCrop;
      float cost, price, increase;
      float mnP, mxP, avgP, big = 0;
      int yield, i;

      //for loop for 4 crops
      for (i=0;i<SIZE;i++)
      {
          getData(crop, cost, yield, price, increase);
          calculate(cost, yield, price, increase, mnP, mxP, avgP);
          printResults(crop, mnP, mxP, avgP);

          //if statement for best crop
          if (avgP > big)
          {
              big = avgP;
              bestCrop = crop;
          }

      }
      cout << endl << "Old MacDonald, you should plant " << bestCrop << endl << endl;
      return 0;
}

//Gets data from main function and returns min, max, and avg profit
void calculate( float cost, int yield, float price, float increase, float &mnP, float &mxP, float &avgP)
{
    mnP = (yield * price * 1000) - (1000 * cost);
    mxP = (yield * price * 1000) + ((yield * price * 1000) * (increase / 100)) - (1000 * cost);
    avgP = (mxP + mnP)/2;
}

//Gets user input of data for crops
void getData(string &crop, float &cost, int &yield, float &price, float &increase)
{
    cout << "Enter the crop name: ";
    getline(cin, crop);
    cout << "Enter cost, yield, price per bushel, and increase data: ";
    cin >> cost >> yield >> price >> increase;
    cin.ignore();
}

//Prints crop name, minimum profit, maximum profit, average profit
void printResults(string crop, float mnP, float mxP, float avgP)
{
    cout << endl;
    cout << setw(30) << "Minimum Profit" << setw(20) << "Maximum Profit" << setw(20) << "Average profit" << endl;
    cout << left << setw(11) << crop;
    cout << fixed << setprecision(2) << right << setw(8) << "$" << mnP << setw(12) << "$" << mxP << setw(12) << "$" << avgP << endl << endl;
    //find out how to align values
}

/*
Enter the crop name: Sweet corn
Enter cost, yield, price per bushel, and increase data: 45.25 173 0.54 4.7

                Minimum Profit      Maximum Profit      Average profit
Sweet corn        $48170.00           $52560.74           $50365.38

Enter the crop name: Wheat
Enter cost, yield, price per bushel, and increase data: 43.00 200 0.43 3.1

                Minimum Profit      Maximum Profit      Average profit
Wheat             $43000.00           $45666.00           $44333.00

Enter the crop name: Soybeans
Enter cost, yield, price per bushel, and increase data: 43.50 157 0.61 4.3

                Minimum Profit      Maximum Profit      Average profit
Soybeans          $52270.00           $56388.11           $54329.06

Enter the crop name: Green beans
Enter cost, yield, price per bushel, and increase data: 40.80 118 0.72 2.7

                Minimum Profit      Maximum Profit      Average profit
Green beans       $44160.00           $46453.93           $45306.96


Old MacDonald, you should plant Soybeans


Process returned 0 (0x0)   execution time : 54.076 s
Press any key to continue.
*/