using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        List<List<CyberRecord>> cyberSearchRecords = new List<List<CyberRecord>>();

        List<CyberRecord> cyberRecords = new List<CyberRecord>();

        CyberRecord cyberRecord = new CyberRecord();

        cyberRecord.CyberId = 1;

        cyberRecord.Match = new List<string>{"ssn"};

        cyberRecords.Add(cyberRecord);

        cyberRecords.Add(cyberRecord);

        cyberSearchRecords.Add(cyberRecords);

        var outputs = MergeCyberRecordsByCyberIds(cyberSearchRecords);

        foreach (var output in outputs)

            {

                foreach (var out1 in output)

                {

                    Console.WriteLine(out1.CyberId);

                    Console.WriteLine(String.Join(",", out1.Match.Select(x => x).ToArray()));

                }

            }

    }

    private static List<List<CyberRecord>> MergeCyberRecordsByCyberIds(List<List<CyberRecord>> cyberSearchRecords)

        {

            List<List<CyberRecord>> mergedCyberRecord = new();

            List<CyberRecord> cyberRecords = new();

            int indexToBeMatched = 1;

            CyberRecord record = new();

            foreach (var cyberSearchRecord in cyberSearchRecords)

            {

                foreach (var cyberRecord in cyberSearchRecord)

                {

                    if (cyberSearchRecord.Count > indexToBeMatched)  

                    {

                        record = cyberSearchRecord[indexToBeMatched];

                        indexToBeMatched++;

                        if (cyberRecord.CyberId == record.CyberId)

                        {

                            List<string> concatenateMatchTypes = new(record.Match.Union(cyberRecord.Match));

                            record.Match = concatenateMatchTypes;

                            continue;

                        }

                    }

                    cyberRecords.Add(record);

                }

                mergedCyberRecord.Add(cyberRecords);

            }

            return mergedCyberRecord;

        }

}

public class CyberRecord : CyberRecordMetadata

    {

        public ulong CyberId { get; set; }

        public string FirstName { get; set; }

        public string MiddleInitial { get; set; }

        public string LastName { get; set; }

        public string StreetAddress1 { get; set; }

        public string StreetAddress2 { get; set; }

        public string City { get; set; }

        public string State { get; set; }

        public string Zip { get; set; }

        public string Country { get; set; }

        public string Phone { get; set; }

        public string Phone1 { get; set; }

        public string Phone2 { get; set; }

        public string Phone3 { get; set; }

        public string PhoneExtension { get; set; }

        public string Ssn { get; set; }

        public string Last4Ssn { get; set; }

        public string NationalId { get; set; }

        public string Mmn { get; set; }

        public string DateOfBirth { get; set; }

        public string DateOfBirthYear { get; set; }

        public string DateOfBirthMonth { get; set; }

        public string DateOfBirthDay { get; set; }

        public string DriverLicenseNumber { get; set; }

        public string DriverLicenseState { get; set; }

        public string Email { get; set; }

        public string EmailDomain { get; set; }

        public string UserId { get; set; }

        public string Password { get; set; }

        public string CardType { get; set; }

        public string CardName { get; set; }

        public string CardNumber { get; set; }

        public string CardBin { get; set; }

        public string Md5CardNumber { get; set; }

        public string CardCvn { get; set; }

        public string CardPin { get; set; }

        public string CardExpirationDate { get; set; }

        public string CardExpirationYear { get; set; }

        public string CardExpirationMonth { get; set; }

        public string CardExpirationDay { get; set; }

        public string CardAddress { get; set; }

        public string RetailCardNumber { get; set; }

        public string BankName { get; set; }

        public string BankPhone { get; set; }

        public string BankRoute { get; set; }

        public string BankAccount { get; set; }

        public string BankUserId { get; set; }

        public string BankPassword { get; set; }

        public string BankPin { get; set; }

        public string Iban { get; set; }

        public string PassportNumber { get; set; }

        public DateTimeOffset? PassportExpirationDate { get; set; }

        public DateTimeOffset? PassportIssueDate { get; set; }

        public string PassportCountry { get; set; }

        public string Gender { get; set; }

        public string MedicalId { get; set; }

        public string MedicalProvider { get; set; }

        public string Sha1 { get; set; }

        public string Site { get; set; }

        public string Source { get; set; }

        public DateTimeOffset? SourceDate { get; set; }

        public DateTimeOffset? UpdateDate { get; set; }

        public DateTimeOffset? CreationDate { get; set; }

        public string SourceCategory { get; set; }

        public string BreachedSite { get; set; }

        public string BreachedSector { get; set; }

        public string BreachedSiteCountry { get; set; }

        public int BreachedRecordCount { get; set; }

        public string CompromiseType { get; set; }

        public string PhishedKeyLoggedSite { get; set; }

        public string Hacker { get; set; }

        public string HackerGroup { get; set; }

        public string Motivation { get; set; }

        public string HackingOperation { get; set; }

        public string PasswordStatus { get; set; }

        public string Severity { get; set; }

        public string SynopsisId { get; set; }

    }

    public class CyberRecordMetadata

    {

        public List<string> Match { get; set; }

    }