// When DI is not possible for your case don't give up just yet...

//create httpclient instance
var httpClient = new HttpClient();

httpClient.BaseAddress = RequestEndPoint.SandboxBaseAddress; //Use RequestEndPoint.LiveBaseAddress in production
	
//create Mpesa API client instance
var mpesaClient = new MpesaClient(httpClient); //make sure to pass httpclient intance as an argument
	

using MpesaLib;

services.AddHttpClient<IMpesaClient, MpesaClient>(options => options.BaseAddress = RequestEndPoint.SandboxBaseAddress);

//Async 
var accesstoken = await _mpesaClient.GetAuthTokenAsync(ConsumerKey, ConsumerSecret, RequestEndPoint.AuthToken);

var RegisterC2BUrlObject = new CustomerToBusinessRegisterUrlDto(
	"https://blablabala/api/confirm",
	"https://blablabala/api/validate",
	"Cancelled",
	"603047"
);

var c2bRegisterUrlrequest = await _mpesaClient.RegisterC2BUrlAsync(RegisterC2BUrlObject, accesstoken, RequestEndPoint.RegisterC2BUrl);

//C2B Object
Var CustomerToBusinessSimulateObject = new CustomerToBusinessSimulateDto
(
	"603047",
	"10",
	"account",
	"254708374149",
	"CustomerPayBillOnline"
);

var c2brequest = await _mpesaClient.MakeC2BPaymentAsync(CustomerToBusinessSimulateObject, accesstoken, RequestEndPoint.CustomerToBusinessSimulate);

// initialize object with data
var MpesaExpressObject = new LipaNaMpesaOnlineDto
(
	"BusinessShortCode",// businessShortCode
    	Timestamp, //Timestamp
        "TransactionType",  //transactionType
        "Amount", // amount
        "PartyA" ,// partyA
        "PartyB" ,// partyB
        "PhoneNumber", // phoneNumber
        "CallBackURL", // callBackUrl
        "AccountReference" ,//accountReference
        "TransactionDesc" ,//transactionDescription
        "Passkey" //passkey
);

//Make payment request 
var paymentrequest = await _mpesaClient.MakeLipaNaMpesaOnlinePaymentAsync(MpesaExpressObject, accesstoken, RequestEndPoint.LipaNaMpesaOnline));

var QueryLipaNaMpesaTransactionObject = new LipaNaMpesaQueryDto
(
	 "174379", //BusinessShortCode
	 "CheckoutRequestID", //CheckoutRequestID
	 "Password", //Password
	 "Timestamp" //Timestamp

);

var stkpushquery = await _mpesaClient.QueryLipaNaMpesaTransactionAsync(QueryLipaNaMpesaTransactionObject, accesstoken, equestEndPoint.QueryLipaNaMpesaOnlieTransaction);

//B2C Object
var BusinessToCustomerObject = new BusinessToCustomerDto
(
	"test",//Remarks
	"1", //Amount
	"BusinessPayment", //CommandID
	"safaricom.15", //InitiatorName
	"test", //Occasion
	"603047", //PartyA
	"254708374149", //PartyB
	"https://blablabla/timeoutendpoint", //QueueTimeOutURL
	"https://blablabla/resultendpoint", //ResultURL
	"security credential" //SecurityCredential
);

var b2crequest = await _mpesaClient.MakeB2CPaymentAsync(BusinessToCustomerObject, accesstoken, RequestEndPoint.BusinessToCustomer);

var BusinessToBusinessObject = new BusinessToBusinessDto
(
	"test", //AccountReference 
	"safaricom.13", //Initiator 
	"1500", //Amount 
	"603047", //PartyA 
	"600000", //PartyB
	"BusinessPayBill",// Please use the correct command -usage depends on what is enabled for your shortcode
	"https://blablabla/callback", //QueueTimeOutURL 
	"4", // RecieverIdentifierType  - Read on receiver identifier types from daraja
	"security credential", //SecurityCredential - Use MpesaLib.Helpers.Credentials class to generate security credential
	"4", //SenderIdentifierType
	"https://blablabla/callback", //ResultURL
	"payment" //Remarks
);

var b2brequest = await _mpesaClient.MakeB2BPaymentAsync(BusinessToBusinessObject, accesstoken, RequestEndPoint.BusinessToBusiness);

var TransactionStatusObject = new MpesaTransactionStatusDto
(
	 "IdentifierType",//IdentifierType
	 "Initiator", //Initiator
	 "Occasion", //Occasion
	 "PartyA", //PartyA
	 "QueueTimeOutURL", //QueueTimeOutURL
	 "ResultURL", //ResultURL
	 "TransactionID", //TransactionID
	 "Remarks", //Remarks
	 "SecurityCredential" //SecurityCredential
);

var transactionrequest = await _mpesaClient.QueryMpesaTransactionStatusAsync(TransactionStatusObject, accesstoken, RequestEndPoint.QueryMpesaTransactionStatus);

var AccountBalanceObject = new AccountBalanceDto
(	
	"IdentifierType",// 4 for Paybill 2 for Till
	"Initiator", //Initiator password
	"PartyA", 
	"QueueTimeOutURL",
	"ResultURL",
	"remarks",
	"security credential", 
);

var accountbalancerequest = await _mpesaClient.QueryAccountBalanceAsync(AccountBalanceObject, accesstoken, RequestEndPoint.QueryAccountBalance); //async method

var TransactionReversalObject = new ReversalDto
(
	"Initiator",	//Initiator
	"Occasion", //Occasion
	"ReceiverParty", //ReceiverParty
	"RecieverIdentifierType", //RecieverIdentifierType
	"QueueTimeOutURL", //QueueTimeOutURL
	"ResultURL", //ResultURL
	"TransactionID", //TransactionID
	"SecurityCredential",  //SecurityCredential
	"Remarks", //Remarks

);

var reversalrequest = await _mpesaClient.ReverseMpesaTransactionAsync(TransactionReversalObject, accesstoken, RequestEndPoint.ReverseMpesaTransaction);

using MpesaLib.Helpers; // add this to your class or namespace

//get path to Mpesa public certificate. There are different certs for development and for production, ensure to use the correct one)

string certificate = @"C:\Dev\MpesaLibSamples\WebApplication1\Certificate\prod.cer";
 
 //generate security credential as follows...

var SecutityCredential = Credentials.EncryptPassword(certificate, "Initiator Password");

using MpesaLib.Helpers.Exceptions; // add this to you class or namespace


try
{	
	return await _mpesaClient.MakeLipaNaMpesaOnlinePaymentAsync(MpesaPayment, accesstoken, RequestEndPoint.LipaNaMpesaOnline);
}
catch (MpesaApiException e)
{
	_logger.LogError($"An Error Occured, Status Code {e.StatusCode}: {e.Content}");

//check the status code and return what is appropriate for your case. e.Content has the error message from Mpesa inform of a json string (not object) incase you do things like tying to transact 0 shillings or more than the 70k limit per transaction, or your shorcode is wrong or your accesstoken is not valid etc.
    
	return BadRequest(); //I am just being lazy here.
}