using System;

using System.Collections.Concurrent;

using System.Collections.Generic;

using System.IO;

using System.Threading.Tasks;

using System.Linq;

public class Program

{

    public static async void Main()

    {

        string[] firmaListesi = new string[]{ "AK", "ALLIANZ" };

        var tasks = new List<Task>();

        var list = new List<KeyValuePair<string, string>>();

        foreach (var line in firmaListesi)

        {

            if (!string.IsNullOrEmpty(line))

            {

                list.Add(new KeyValuePair<string, string>("EcryptedHeaderID", "EID"));

                list.Add(new KeyValuePair<string, string>("InsuranceFirm", line));

                Console.WriteLine(list.FirstOrDefault(x => x.Key == "EcryptedHeaderID"));

                tasks.Add( Task.Run(async () => {  RunComplementaryHealth(line, list); }));

                list.Remove(list.FirstOrDefault(x => x.Key == "InsuranceFirm"));

                list.Remove(list.FirstOrDefault(x => x.Key == "EcryptedHeaderID"));

            }

        }

        Task t = Task.WhenAll(tasks);

    }

    public static async Task RunComplementaryHealth(string line, List<KeyValuePair<string, string>> list) {

        Console.WriteLine("ASYNC ÇALIŞTIĞINDA");

        Console.WriteLine(line);

        Console.WriteLine("HEADERID ASYNC: " + list.FirstOrDefault(x => x.Key == "InsuranceFirm"));

    }

}