using GB5Shared.DTO.Framework.Login;
using GoodBooks.PAY.PAYDAL.DTO.Cashback;
using Microsoft.Extensions.Logging;
using System.Net.Http.Json;

namespace GoodBooks.PAY.PAYBLL.Integration
{
    public class FinanceIntegrationService : IFinanceIntegrationService
    {
        private readonly IHttpClientFactory                _httpClientFactory;
        private readonly ILogger<FinanceIntegrationService> _logger;

        public FinanceIntegrationService(
            IHttpClientFactory httpClientFactory,
            ILogger<FinanceIntegrationService> logger)
        {
            _httpClientFactory = httpClientFactory;
            _logger            = logger;
        }

        public async Task PostCreditNoteAsync(
            CashbackLedgerDTO cashback, LoginDTO login, CancellationToken ct)
        {
            var client = _httpClientFactory.CreateClient("FinanceModule");
            var payload = new
            {
                cashback.CashbackLedgerId,
                cashback.PayOrderId,
                cashback.CashbackRuleId,
                cashback.CustomerId,
                cashback.CashbackAmt,
                cashback.PayoutMode,
                cashback.ScheduledPayoutOn,
                ClientId     = login.ClientId,
                DatabaseName = login.DatabaseName
            };
            var response = await client
                .PostAsJsonAsync("/Finance/CreditNote/PostCashbackCreditNote", payload, ct)
                .ConfigureAwait(false);
            // Throw on failure — caller (CashbackLedgerBLL) is responsible for retry/error handling
            response.EnsureSuccessStatusCode();
        }

        public async Task NotifyPaymentSettledAsync(
            int payOrderId, decimal amount, LoginDTO login, CancellationToken ct)
        {
            try
            {
                var client = _httpClientFactory.CreateClient("FinanceModule");
                var payload = new
                {
                    PayOrderId   = payOrderId,
                    Amount       = amount,
                    ClientId     = login.ClientId,
                    DatabaseName = login.DatabaseName
                };
                await client
                    .PostAsJsonAsync("/Finance/Payment/NotifySettled", payload, ct)
                    .ConfigureAwait(false);
            }
            catch (Exception ex)
            {
                // Non-fatal — outbox retry loop handles eventual delivery
                _logger.LogWarning(ex,
                    "NotifyPaymentSettled failed for PayOrderId {PayOrderId}; outbox will retry",
                    payOrderId);
            }
        }
    }
}