Backend-Api/ServiceHost/Controllers/GeneralController.cs

using _0_Framework.Application;
using CompanyManagment.App.Contracts.PaymentTransaction;
using CompanyManagment.EFCore.Migrations;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using ServiceHost.BaseControllers;
using System.Globalization;
using _0_Framework.Application.PaymentGateway;
using CompanyManagment.App.Contracts.FinancialStatment;
using CompanyManagment.App.Contracts.FinancilTransaction;

namespace ServiceHost.Controllers;

public class GeneralController : GeneralBaseController
{

    private readonly IPaymentTransactionApplication _paymentTransactionApplication;
    private readonly IPaymentGateway _paymentGateway;
    private readonly IFinancialStatmentApplication _financialStatmentApplication;

    public GeneralController(IPaymentTransactionApplication paymentTransactionApplication,IHttpClientFactory clientFactory, IFinancialStatmentApplication financialStatmentApplication)
    {
        _paymentTransactionApplication = paymentTransactionApplication;
        _financialStatmentApplication = financialStatmentApplication;
        _paymentGateway = new AqayePardakhtPaymentGateway(clientFactory);
    }

    /// <summary>
    /// نمایش اطلاعات عمومی مانند تاریخ ها و سال ها
    /// </summary>
    /// <returns></returns>
    [HttpGet("Dates")]
    public IActionResult GetDates()
    {
        var pc = new PersianCalendar();
        var now = DateTime.Now;
        var currentYear = pc.GetYear(now);
        var years = Enumerable.Range(1370, currentYear - 1370 + 1).ToList();
        var months = Enumerable.Range(1, 12).ToList();
        var currentDate = new { Year = currentYear, Month = pc.GetMonth(now), Day = pc.GetDayOfMonth(now) };
        return new JsonResult(new
        {
            years,
            months,
            currentDate
        });
    }

    [HttpPost("/api/callback")]
    public async Task<IActionResult> OnGetCallBack(string? transid, string? cardnumber, string? tracking_number, 
        string bank, string invoice_id, string? status,CancellationToken cancellationToken)
    {
        if (!long.TryParse(invoice_id, out var paymentTransactionId))
        {
            return BadRequest("Invalid invoice_id");
        }

        var transaction = await _paymentTransactionApplication.GetDetails(paymentTransactionId);
        if (transaction == null)
        {
            return NotFound("Transaction not found");
        }

        if (transaction.Status != PaymentTransactionStatus.Pending)
        {
            return BadRequest("این تراکنش قبلا پرداخت شده است");
        }

        // اگر شماره کارت یا شماره پیگیری خالی باشد، تراکنش ناموفق است
        if (string.IsNullOrWhiteSpace(cardnumber) || string.IsNullOrWhiteSpace(tracking_number))
        {
            return await HandleFailedTransaction(transaction, paymentTransactionId);
        }

        var verifyCommand = new VerifyPaymentGateWayRequest()
        {
            Amount = transaction.Amount,
            TransactionId = transid
        };
        var verifyRes =await _paymentGateway.Verify(verifyCommand, cancellationToken);

        // اگر استاتوس 1 باشد، تراکنش موفق است
        if (verifyRes.IsSuccess)
        {
            var setSuccessResult = _paymentTransactionApplication.SetSuccess(paymentTransactionId, cardnumber, bank);

            var command = new CreateFinancialStatment()
            {
                
                ContractingPartyId = transaction.ContractingPartyId,
                TdateFa = DateTime.Now.ToFarsi(),
                Deptor = 0,
                Creditor = transaction.Amount,
                DeptorString = "درگاه بانکی",
                TypeOfTransaction = "credit",
                DescriptionOption = "بابت قرارداد مابین (روابط کار)",

            };
            _financialStatmentApplication.Create(command);

            if (!setSuccessResult.IsSuccedded)
            {
                return new JsonResult(setSuccessResult);
            }
            return Redirect(BuildCallbackUrl(transaction.CallBackUrl, true, transaction.Id));
        }

        // در غیر این صورت تراکنش ناموفق است
        return await HandleFailedTransaction(transaction, paymentTransactionId);
    }

    private async Task<IActionResult> HandleFailedTransaction(PaymentTransactionDetailsViewModel transaction, long transactionId)
    {
        var result = _paymentTransactionApplication.SetFailed(transactionId);
        if (!result.IsSuccedded)
        {
            return new JsonResult(result);
        }

        return Redirect(BuildCallbackUrl(transaction.CallBackUrl, false, transaction.Id));
    }

    private string BuildCallbackUrl(string baseUrl, bool isSuccess, long transactionId)
    {
        var statusCode = isSuccess ? "1" : "0";
        return $"{baseUrl}/callback?Status={statusCode}&transactionId={transactionId}";
    }


}