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

namespace ConsoleApplication19
{
    class Program
    {
        static void Main(string[] args)
        {
            List<Address> AddressBook = new List<Address>(10);

            while (true)
            {
                Console.WriteLine("Main Menu");
                Console.WriteLine("=========");
                Console.WriteLine("1 - Add an Address");
                Console.WriteLine("2 - Delete an Address");
                Console.WriteLine("3 - List All Addresses");
                Console.WriteLine("4 - Search");
                Console.WriteLine("5 - Sort The Addresses");
                Console.WriteLine("6- Save Address Book");
                Console.WriteLine("7 -Import Address Book");
                Console.WriteLine("");
                Console.WriteLine("Enter The Corresponding Number.");
                int number = 0;
                try
                {
                    number = Convert.ToInt32(Console.ReadLine());
                }
                catch
                {
                    Console.Clear();
                    continue;
                }
                if (number == 1)
                {
                    Console.Clear();
                    Console.Write("Input First Name: ");
                    string FirstName = Console.ReadLine();
                    Console.Write("Input Last Name: ");
                    string LastName = Console.ReadLine();
                    Console.Write("Input Number And Street:  ");
                    string NumberStreet = Console.ReadLine();
                    Console.Write("Input City: ");
                    string City = Console.ReadLine();
                    Console.Write("Input State: ");
                    String State = Console.ReadLine();
                    Console.Write("Input Zipcode: ");
                    string Zipcode = Console.ReadLine();
                    Address x = new Address(FirstName, LastName, NumberStreet, City, State, Zipcode);
                    AddressBook.Add(x);
                    // AddressBook[counter] = x;
                    Console.Clear();
                    Console.WriteLine("Address Has Been Added. Press Enter To Continue!");
                    Console.ReadLine();
                    Console.Clear();
                }
                else if (number == 2)
                {
                    if (AddressBook.Count > 0)
                    {
                        for (int i = 0; i < AddressBook.Count(); i++)
                        {
                            Console.WriteLine(i + ") " + AddressBook[i].VFirstName + " " + AddressBook[i].VLastName);
                        }

                        int Index = Convert.ToInt32(Console.ReadLine());

                        AddressBook.RemoveAt(Index);
                        Console.WriteLine("The Address has been removed.");
                        Console.ReadLine();
                        Console.Clear();
                    }
                    else
                    {
                        Console.Clear();
                        Console.WriteLine("You Have No Addresses. Press Enter To Go Back to the Main Menu.");
                        Console.ReadLine();
                        Console.Clear();
                    }
                }

                else if (number == 3)
                {
                    Console.Clear();
                    Console.WriteLine("Here Are Your Addresses Listed Thus Far.");
                    Console.WriteLine("");
                    for (int i = 0; i < AddressBook.Count; i++)
                    {

                        if (AddressBook[i] != null)
                        {
                            AddressBook[i].Display();

                        }
                    }

                    Console.WriteLine("Press Enter To Go Back To The Main Menu.");
                    Console.ReadLine();
                    Console.Clear();
                }


                else if (number == 4)
                {

                    Console.Write("Enter a search term: ");
                    string response = Console.ReadLine();
                    var foundAddress = AddressBook.SingleOrDefault(x => x.ContainsWord(response)) ?? null;
                    if (foundAddress != null)
                    {
                        if (foundAddress.VFirstName.Contains(response))
                        {
                            Console.WriteLine(foundAddress.ToString());
                        }
                        else if (foundAddress.VLastName.Contains(response))
                        {
                            Console.WriteLine(foundAddress.ToString());

                        }
                        else if (foundAddress.VNumberStreet.Contains(response))
                        {
                            Console.WriteLine(foundAddress.ToString());

                        }
                        else if (foundAddress.VState.Contains(response))
                        {
                            Console.WriteLine(foundAddress.ToString());

                        }
                        else if (foundAddress.VCity.Contains(response))
                        {
                            Console.WriteLine(foundAddress.ToString());

                        }
                        else  if (foundAddress.VZipcode.Contains(response))
                        {
                            Console.WriteLine(foundAddress.ToString());

                        }
                        else
                    {
                        Console.Clear();
                        Console.WriteLine("No Entry With Such Name, Press Enter To Continue.o");
                        Console.ReadLine();
                        Console.Clear();
                    }
                    }
                    else
                    {
                        Console.Clear();
                        Console.WriteLine("You have no adresses to search for, Press Enter To Continue.");
                        Console.ReadLine();
                        Console.Clear();
                    }
                }
                else if (number == 5)
                {

                }
                else if (number == 6)
                {
                    Console.Write("Enter a search term: ");


                }

                else if (number == 7)
                {

                }

                else
                {
                    Console.Clear();
                    continue;
                }
                }
            }
        }
    }