Hw41

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

namespace Hospital
{
    class Program
    {
        static void Main(string[] args)
        {
            Hospital hospital = new Hospital();
            hospital.Work();
        }
    }

    class Hospital
    {
        private List<Patient> _patients = new List<Patient>();

        public Hospital()
        {
            Fill();
            SortByName();
        }

        public void Work()
        {
            ConsoleKeyInfo consoleKeyInfo;

            Console.WriteLine("Press Any Button To Start");
            consoleKeyInfo = Console.ReadKey();

            while (consoleKeyInfo.Key != ConsoleKey.Escape)
            {
                Console.WriteLine("1 - Sort by Name \n2 - Sort by Age \n3 - Sort by Disease");

                switch (Console.ReadLine())
                {
                    case "1":
                        ShowPatients(SortByName());
                        break;
                    case "2":
                        ShowPatients(SortByAge());
                        break;
                    case "3":
                        ShowPatients(SortByDisease());
                        break;
                    default:
                        Console.WriteLine("Wrong action");
                        break;
                }

                Console.WriteLine("Press any button to continue");
                consoleKeyInfo = Console.ReadKey();
                Console.Clear();
            }
        }

        private List<Patient> SortByDisease()
        {
            string userInput;

            Console.Write("Inpute Disease: ");
            userInput = Console.ReadLine();

            var filteredByDisease = _patients.Where(patient => patient.Disease.ToUpper() == userInput.ToUpper());

            if(filteredByDisease.Count() == 0)
            {
                Console.WriteLine("There are no patients with such a disease");
                return null;
            }
            else
            {
                return filteredByDisease.ToList<Patient>();
            }
        }

        private List<Patient> SortByAge()
        {
            var filteredByAge = _patients.OrderBy(patient => patient.Age);

            return filteredByAge.ToList<Patient>();
        }

        private List<Patient> SortByName()
        {
            var filteredByName = _patients.OrderBy(patient => patient.FullName);

            return filteredByName.ToList<Patient>();
        }

        private void ShowPatients(List<Patient> patients)
        {
            if (patients != null)
            {
                foreach (var patient in patients)
                {
                    patient.ShowInfo();
                }
            }
        }

        private void Fill()
        {
            Random random = new Random();

            _patients.Add(new Patient("John White", random.Next(1,100), TypeOfDisease.Ascariasis));
            _patients.Add(new Patient("Alister Miler", random.Next(1, 100), TypeOfDisease.Malaria));
            _patients.Add(new Patient("Nevada Ruchini", random.Next(1, 100), TypeOfDisease.Pneumonia));
            _patients.Add(new Patient("Moksi Bord", random.Next(1, 100), TypeOfDisease.Typhoid));
            _patients.Add(new Patient("Luchina Petrov", random.Next(1, 100), TypeOfDisease.Amoebiasis));
            _patients.Add(new Patient("Kobalt Seriy", random.Next(1, 100), TypeOfDisease.Pneumonia));
            _patients.Add(new Patient("Java Float", random.Next(1, 100), TypeOfDisease.Cancer));
            _patients.Add(new Patient("Waterovich Neptun", random.Next(1, 100), TypeOfDisease.Ascariasis));
            _patients.Add(new Patient("Abdul Juhamba", random.Next(1, 100), TypeOfDisease.Pneumonia));
            _patients.Add(new Patient("Hooma Sapiens", random.Next(1, 100), TypeOfDisease.Malaria));

        }
    }

    class Patient
    {
        private TypeOfDisease _disease;
        public string FullName { get; private set; }
        public int Age { get; private set; }

        public string Disease => _disease.ToString();

        public Patient(string name, int age, TypeOfDisease disease)
        {
            FullName = name;
            Age = age;
            _disease = disease;
        }

        public void ShowInfo()
        {
            Console.WriteLine($"Full Name - {FullName}, Age - {Age}, Disease - {Disease}");
        }
    }

    enum TypeOfDisease
    {
        Typhoid,
        Pneumonia,
        Malaria,
        Amoebiasis,
        Ascariasis,
        Cancer
    }
}