components/LiteCharms.Features/Customers/Commands/RefundCustomerCommand.cs

namespace LiteCharms.Features.Customers.Commands;

public class RefundCustomerCommand : IRequest<Result<Guid>>
{
    public Guid OrderId { get; set; }

    public Guid CustomerId { get; set; }

    public string? Reason { get; set; }

    public decimal Amount { get; set; }

    private RefundCustomerCommand(Guid orderId, Guid customerId, string? reason, decimal amount)
    {
        OrderId = orderId;
        CustomerId = customerId;
        Reason = reason;
        Amount = amount;
        CustomerId = customerId;
    }

    public static RefundCustomerCommand Create(Guid orderId, Guid customerId, string? reason, decimal amount)
    {
        if (orderId == Guid.Empty)
            throw new ArgumentException("OrderId is required", nameof(orderId));

        if (customerId == Guid.Empty)
            throw new ArgumentException("CustomerId is required", nameof(customerId));

        if (amount <= 0)
            throw new ArgumentException("Amount must be greater than zero", nameof(amount));

        if (string.IsNullOrWhiteSpace(reason))
            throw new ArgumentException("Reason is required", nameof(reason));

        return new(orderId, customerId, reason, amount);
    }
}