using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Lab_4
{
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;

    namespace Lab_4
    {
        class Program
        {
            static void Main(string[] args)
            {

                // Constants
                const int min = 0;
                const int max = 50;

                // Variables
                bool isValidNumber;
                int input;
                int[] carsEachDay = new int[7];
                int i = 0;
                bool done;

                // Loops that validates if it is a number, and also puts it in order
                do
                {
                    while (i < 7)
                    {
                        // prompt for a number
                        Console.Write("Vehicles Sold On Day " + (i + 1) + ": ");
                        // Tries to parse into an interger
                        isValidNumber = int.TryParse(Console.ReadLine(), out input);
                        // Validate if guess is a whole number
                        if (!isValidNumber)
                            Console.WriteLine("Error: input must be a whole number!");
                        // Validate if guess is whitin range
                        else if (input < min || input > max)
                            Console.WriteLine("Error: Input must be between {0} and {1}.", min, max);
                        else
                        {
                            carsEachDay[i] = input;
                            ++i;
                        }
                    }

                    int sumCars = 0;
                    int maxCars = carsEachDay[0];
                    int maxCarsWhichDay = 1;
                    int minCars = carsEachDay[0];
                    int minCarsWhichDay = 1;
                    for (int j = 0; j < 7; ++j)
                    {
                        Console.Clear();


                        sumCars += carsEachDay[j];
                        if (carsEachDay[j] > maxCars)
                        {
                            maxCars = carsEachDay[j];
                            maxCarsWhichDay = j + 1;
                        }

                        if (carsEachDay[j] < minCars)
                        {
                            minCars = carsEachDay[j];
                            minCarsWhichDay = j + 1;
                        }
                    }

                    Console.WriteLine("Total cars sold: " + sumCars);
                    Console.WriteLine("Average cars sold per day: " + (sumCars / 7));
                    //Console.WriteLine("Most cars sold in a day: "+maxCars);
                    Console.WriteLine("Most cars sold on day: " + maxCarsWhichDay);
                    //Console.WriteLine("Least cars sold in a day: "+minCars);
                    Console.WriteLine("Least cars sold on day: " + minCarsWhichDay);


                    done = true;
                } while (!done);

                // Press any key to exit
                Console.WriteLine("Press any key to exit...");
                Console.ReadKey();
                }
            }

        }
    }