namespace MoneyMap.Models.Import
{
    /// <summary>
    /// Result of resolving a payment method (card or account) for a transaction.
    /// </summary>
    public class PaymentResolutionResult
    {
        public bool IsSuccess { get; init; }
        public int? CardId { get; init; }
        public int? AccountId { get; init; }
        public string? Last4 { get; init; }
        public string? ErrorMessage { get; init; }

        /// <summary>
        /// Creates a successful result when a card is used.
        /// </summary>
        public static PaymentResolutionResult SuccessCard(int cardId, int accountId, string last4) =>
            new() { IsSuccess = true, CardId = cardId, AccountId = accountId, Last4 = last4 };

        /// <summary>
        /// Creates a successful result when a direct account transaction (no card).
        /// </summary>
        public static PaymentResolutionResult SuccessAccount(int accountId, string last4) =>
            new() { IsSuccess = true, AccountId = accountId, Last4 = last4 };

        /// <summary>
        /// Creates a failure result with error message.
        /// </summary>
        public static PaymentResolutionResult Failure(string error) =>
            new() { IsSuccess = false, ErrorMessage = error };
    }
}