using System;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("This is part 4");

        Chicken chicken1 = new Chicken();

        Paneer paneer2 = new Paneer();

        Milk milk3 = new Milk();

        Lentils lentils4 = new Lentils();

        ProteinShake ps5 = new ProteinShake();

        Protein[] diet =

        {

            chicken1,

            paneer2,

            milk3,

            lentils4,

            ps5,

        };

        for (int i = 0; i < diet.Length; i++)

        {

            diet[i].getGains();

            diet[i].getEnergy();

        }

​

        bool repeat = true;

        MealPrep mealPrep = new MealPrep();

        while (repeat)

        {

            Console.WriteLine("---------------------------");

            Console.WriteLine("Choose what you want to add to your meal prep");

            Console.WriteLine("1: Chicken");

            Console.WriteLine("2: Milk");

            Console.WriteLine("3: Protein Shake");

            Console.WriteLine("4: Paneer");

            Console.WriteLine("5: Lentils");

            Console.WriteLine("6: Exit");

            string choice = Console.ReadLine();

            Console.WriteLine("What is the quantity of this item you want to add?");

            string quant = Console.ReadLine();

            bool success = int.TryParse(quant, out int num);

            switch (choice)

            {

                case ("1"):

                    Chicken chicken = new Chicken();

                    chicken.Count = num;

                    mealPrep.AddToMealPlan(chicken);

                    mealPrep.AddProteinAndCalories();

                    break;

                case ("2"):

                    Milk milk = new Milk();

                    milk.Count = num;

                    mealPrep.AddToMealPlan(milk);

                    mealPrep.AddProteinAndCalories();

                    break;

                case ("3"):

                    ProteinShake ps = new ProteinShake();

                    ps.Count = num;

                    mealPrep.AddToMealPlan(ps);

                    mealPrep.AddProteinAndCalories();

                    break;

                case ("4"):

                    Paneer paneer = new Paneer();

                    paneer.Count = num;

                    mealPrep.AddToMealPlan(paneer);

                    mealPrep.AddProteinAndCalories();

                    break;

                case ("5"):

                    Lentils lentils = new Lentils();

                    lentils.Count = num;

                    mealPrep.AddToMealPlan(lentils);

                    mealPrep.AddProteinAndCalories();

                    break;

                case ("6"):

                    Console.WriteLine("You are exiting");

                    repeat = false;

                    break;

            }

        }

    }

​

    public class MealPrep

    {

        public MealPrep()

        {

        }

​

        List<Protein> list = new List<Protein>();

        public void AddToMealPlan(Protein protein)

        {

            list.Add(protein);

        }

​

        public void AddProteinAndCalories()

        {

            //recalc

            TotalProtein = 0;

            TotalCalories = 0;

            foreach (Protein p in list)

            {

                TotalProtein += p.GramsProtein * p.Count;

                TotalCalories += p.Calories * p.Count;

                Console.WriteLine(TotalProtein);

            }

​

            Console.WriteLine("The total protein in the Meal plan is: " + TotalProtein + " grams");

            Console.WriteLine("The total calories in the Meal plan are: " + TotalCalories);

        }

​

        public int TotalProtein { get; set; }

        public int TotalCalories { get; set; }

    }

​

    public abstract class Protein

    {

        public abstract void getGains();

        public abstract void getEnergy();

        public int GramsProtein { get; set; }

        public int Count { get; set; }

        public int Calories { get; set; }

    }

​

    internal class Chicken : Protein

    {

        public Chicken()

        {

            GramsProtein = 15;

            Count = 1;

            Calories = 165;

        }

​

        public override void getGains()

        {

            Console.WriteLine("Protein from Chicken: " + GramsProtein + " grams");

        }

​

        public override void getEnergy()

        {

            Console.WriteLine("Calories from Chicken: " + Calories);

        }

    }

​

    internal class Milk : Protein

    {

        public Milk()

        {

            GramsProtein = 8;

            Count = 1;

            Calories = 42;

        }

​

        public override void getGains()

        {

            Console.WriteLine("Protein from Milk: " + GramsProtein + " grams");

        }

​

        public override void getEnergy()

        {

            Console.WriteLine("Calories from Milk: " + Calories);

        }

    }

​

    internal class ProteinShake : Protein

    {

        public ProteinShake()

        {

            GramsProtein = 40;

            Count = 1;

            Calories = 125;

        }

​

        public override void getGains()

        {

            Console.WriteLine("Protein from ProteinShakes: " + GramsProtein + " grams");

        }

​

        public override void getEnergy()

        {

            Console.WriteLine("Calories from ProteinShakes: " + Calories);

        }

    }

​

    internal class Paneer : Protein

    {

        public Paneer()

        {

            GramsProtein = 19;

            Count = 1;

            Calories = 265;

        }

​

        public override void getGains()

        {

            Console.WriteLine("Protein from Paneer: " + GramsProtein + " grams");

        }

​

        public override void getEnergy()

        {

            Console.WriteLine("Calories from Paneer: " + Calories);

        }

    }

​

    internal class Lentils : Protein

    {

        public Lentils()

        {

            GramsProtein = 9;

            Count = 1;

            Calories = 116;

        }

​

        public override void getGains()

        {

            Console.WriteLine("Protein from Lentils: " + GramsProtein + " grams");

        }

​

        public override void getEnergy()

        {

            Console.WriteLine("Calories from Lentils: " + Calories);

        }

    }

}