Core_Be/Models/ClientPackage.cs

using System.ComponentModel.DataAnnotations;

namespace Fitness_core_BE.Models
{
    public class ClientPackage
{

        [Key]
        public Guid ClientPackageId { get; set; }
        public string? PackageName { get; set; }
        public string? PackageDescription { get; set; }
        public decimal PackagePrice { get; set; }

        // Platform (HexaFitness -> gym) billing formula for this plan.
        // baseFee = MinimumMonthlyBill + max(0, min(activeMembers, MaxBillableMemberCount) - IncludedMemberCount) * PerMemberRate,
        // capped by MonthlyCap when set. PerMemberRate = 0 preserves legacy flat-PackagePrice behavior for existing rows.
        public decimal PerMemberRate { get; set; } = 0;
        public decimal MinimumMonthlyBill { get; set; } = 0;
        public decimal? MonthlyCap { get; set; }
        public decimal SetupFee { get; set; } = 0;

        // Members already covered by MinimumMonthlyBill before PerMemberRate overage kicks in.
        public int IncludedMemberCount { get; set; } = 0;
        // Optional ceiling on the member count billed for (null = unlimited).
        public int? MaxBillableMemberCount { get; set; }

        // Platform's cut of a client's own member-billing, depending on which gateway
        // (the client's own, or HexaFitness's) their member payments route through.
        public decimal OwnGatewayFeePercent { get; set; } = 0;
        public decimal OwnGatewayFeeFixed { get; set; } = 0;
        public decimal OurGatewayFeePercent { get; set; } = 0;
        public decimal OurGatewayFeeFixed { get; set; } = 0;

        // Day of month (1-28) the client is paid out on, for clients on their own gateway.
        public int PayoutDayOfMonth { get; set; } = 1;

        // The plan applied to a client when it has no active ClientSubscription assignment.
        // Only one row should have IsDefault = true.
        public bool IsDefault { get; set; } = false;

        public bool IsActive { get; set; } = true;
        public DateTime CreatedAt { get; set; } = DateTime.UtcNow;


    }
}