using Fitness_core_BE.Models.Receipt;

namespace Fitness_core_BE.Interfaces.Services
{
    public interface IReceiptService
    {
        /// <summary>Gathers member/plan/gym/amount data for a member invoice.
        /// When <paramref name="requireClientId"/> is set, throws if the invoice isn't that gym's.</summary>
        Task<ReceiptModel> BuildForInvoiceAsync(Guid customerInvoiceId, decimal? paymentAmount = null, Guid? requireClientId = null);

        /// <summary>Gathers gym/amount data for a platform (HexaFitness -> gym) invoice.
        /// When <paramref name="requireClientId"/> is set, throws if the invoice isn't that gym's.</summary>
        Task<ReceiptModel> BuildForClientInvoiceAsync(Guid clientInvoiceId, decimal? paymentAmount = null, Guid? requireClientId = null);

        byte[] GeneratePdf(ReceiptModel model);

        /// <summary>Best-effort: emails the receipt PDF and texts the member. Never throws.</summary>
        Task SendReceiptAsync(ReceiptModel model);
    }
}