Core_Be/DTOs/Facility/FacilityDtos.cs

namespace Fitness_core_BE.DTOs.Facility
{
    public class FacilityDto
    {
        public Guid FacilityId { get; set; }
        public string Name { get; set; } = string.Empty;

        /// <summary>"Scheduled" | "AdHoc".</summary>
        public string BookingMode { get; set; } = "Scheduled";
        public string? Description { get; set; }
        public int DefaultCapacity { get; set; }
        public int NumberOfUnits { get; set; }
        public decimal PricePerHour { get; set; }
        public bool IsActive { get; set; }
        public DateTime CreatedAt { get; set; }

        // Absorbed from the old PlaceDto -- at most one for now, see AccessDevice.FKFacilityId.
        public Guid? DeviceId { get; set; }
        public string? DeviceName { get; set; }
    }

    public class FacilitySessionDto
    {
        public Guid FacilitySessionId { get; set; }
        public Guid FacilityId { get; set; }
        public string? FacilityName { get; set; }
        public DateTime StartTime { get; set; }
        public DateTime EndTime { get; set; }
        public int Capacity { get; set; }
        public int BookedCount { get; set; }
        public bool IsCancelled { get; set; }
    }

    /// <summary>GET api/client/facilities/availability -- how much room is left for a requested
    /// window, uniformly across both booking modes (TotalUnits/UnitsFree mean NumberOfUnits/
    /// overlap-count for AdHoc, DefaultCapacity/free-session-spots for Scheduled).</summary>
    public class FacilityAvailabilityDto
    {
        public Guid FacilityId { get; set; }
        public string FacilityName { get; set; } = string.Empty;
        public string BookingMode { get; set; } = string.Empty;
        public int TotalUnits { get; set; }
        public int UnitsFree { get; set; }
        public decimal PricePerHour { get; set; }
    }
}