using System;
namespace ConsoleApp5
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] personalData = new string[0];
            string[] numberToFami = new string[0];
            bool exit = true;
            while (exit)
            {
                Console.SetCursorPosition(30, 0);
                Console.WriteLine("Базза данных");
                Console.WriteLine("Список комманд:\n");
                Console.WriteLine(" 1)Добавить досье");
                Console.WriteLine(" 2)Вывести досье");
                Console.WriteLine(" 3)Удалить досье");
                Console.WriteLine(" 4)Поиск по фамилии");
                Console.WriteLine(" 5)Выйти");
                Console.Write("Введите номер комманды:");
                int numberCommand = Convert.ToInt32(Console.ReadLine());
                switch (numberCommand)
                {
                    case 1:
                        Console.Write("Введите имя\nИмя:");
                        string name = Console.ReadLine();
                        Console.Write("Введите фамилию\nФамилия:");
                        string fami = Console.ReadLine();
                        Console.Write("Введите отчество\nОтчество:");
                        string patronymic = Console.ReadLine();
                        Console.Write("Введите должность\nДолжность:");
                        string post = Console.ReadLine();
                        addDossier(ref personalData, ref numberToFami, name, fami, patronymic, post);
                        break;
                    case 2:
                        for (int i = 0; i < personalData.Length; i++)
                        {
                            Console.WriteLine("#" + (i + 1) + " " + personalData[i]);
                        }
                        break;
                    case 3:
                        Console.Write("Введите номер досье:");
                        int numberDpssierDelete = Convert.ToInt32(Console.ReadLine()) - 1;
                        deleteDossier(ref personalData, ref numberToFami, numberDpssierDelete);
                        break;
                    case 4:
                        Console.Write("Введите фамилию\n Фамилия:");
                        string searchByFami = Console.ReadLine();
                        for (int i = 0; i < numberToFami.Length; i++)
                        {
                            if (numberToFami[i] == searchByFami)
                            {
                                Console.WriteLine(personalData[i]);
                                break;
                            }
                            if (i == numberToFami.Length - 1)
                            {
                                Console.WriteLine("Нет досье с введённой фамилией...");
                            }
                        }
                        break;
                    case 5:
                        exit = false;
                        break;
                    default:
                        Console.Write("Вы ввели неправильный номер комманды...");
                        break;
                }
                Console.ReadLine();
                Console.Clear();
            }
        }
        static void addDossier(ref string[] personalData, ref string[] numberToFami, string name, string fami, string patronymic, string post)
        {

            string[] array = new string[personalData.Length + 1];
            string[] addArrayNumberToFami = new string[personalData.Length + 1];
            for (int i = 0; i < personalData.Length; i++)
            {
                array[i] = personalData[i];
            }
            for (int i = 0; i < numberToFami.Length; i++)
            {
                addArrayNumberToFami[i] = numberToFami[i];
            }
            addArrayNumberToFami[numberToFami.Length] = fami;
            array[personalData.Length ] = ($"{fami} {name} {patronymic} - Должность {post}");
            numberToFami = addArrayNumberToFami;
            personalData = array;
        }
        static void deleteDossier(ref string[] personalData,ref string[] numberToFami, int numberDpssierDelete)
        {
            string[] arrayNumberToFamiEditor = numberToFami;
            string[] arrayNumberToFamiDeleteIndex = new string[numberToFami.Length - 1];
            for (int i = numberDpssierDelete; i < arrayNumberToFamiEditor.Length - 1; i++)
            {
                arrayNumberToFamiEditor[i] = arrayNumberToFamiEditor[i + 1];
            }
            for (int i = 0; i < arrayNumberToFamiDeleteIndex.Length; i++)
            {
                arrayNumberToFamiDeleteIndex[i] = arrayNumberToFamiEditor[i];
            }
            numberToFami = arrayNumberToFamiDeleteIndex;
            string[] arrayPersonalDataEditor = personalData;
            string[] arrayPersonalDateDeleteIndex = new string[personalData.Length - 1];
            for (int i = numberDpssierDelete; i < arrayPersonalDataEditor.Length - 1; i++)
            {
                arrayPersonalDataEditor[i] = arrayPersonalDataEditor[i+1] ;
            }
            for (int i = 0; i < arrayPersonalDateDeleteIndex.Length; i++)
            {
                arrayPersonalDateDeleteIndex[i] = arrayPersonalDataEditor[i];
            }
            personalData = arrayPersonalDateDeleteIndex;
        }
    }
}