using System.ComponentModel.DataAnnotations;

namespace Fitness_core_BE.DTOs.Facility
{
    public class CreateFacilityRequest
    {
        [Required]
        public string Name { get; set; } = string.Empty;

        /// <summary>At least one of SupportsClasses/SupportsBooking must be true.</summary>
        public bool SupportsClasses { get; set; } = true;
        public bool SupportsBooking { get; set; } = false;

        public string? Description { get; set; }

        /// <summary>Required (meaningfully) when SupportsClasses.</summary>
        [Range(1, int.MaxValue, ErrorMessage = "DefaultCapacity must be at least 1")]
        public int DefaultCapacity { get; set; } = 1;

        /// <summary>Required (meaningfully) when SupportsBooking -- e.g. 3 for "3 courts".</summary>
        [Range(1, int.MaxValue, ErrorMessage = "NumberOfUnits must be at least 1")]
        public int NumberOfUnits { get; set; } = 1;

        [Range(typeof(decimal), "0", "79228162514264337593543950335", ErrorMessage = "PricePerHour cannot be negative")]
        public decimal PricePerHour { get; set; } = 0m;
    }

    public class UpdateFacilityRequest
    {
        [Required]
        public Guid FacilityId { get; set; }
        public string? Name { get; set; }
        public bool? SupportsClasses { get; set; }
        public bool? SupportsBooking { get; set; }
        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 class SetFacilityStatusRequest
    {
        [Required]
        public bool IsActive { get; set; }
    }

    public class CreateFacilitySessionRequest
    {
        [Required]
        public Guid FacilityId { get; set; }

        [Required]
        public DateTime StartTime { get; set; }

        [Required]
        public DateTime EndTime { get; set; }

        /// <summary>Overrides the facility's default capacity for this specific session.</summary>
        public int? Capacity { get; set; }
    }

    /// <summary>Absorbed from the old AssignPlaceDeviceRequest.</summary>
    public class AssignFacilityDeviceRequest
    {
        // Null unassigns the facility's current device.
        public Guid? DeviceId { get; set; }
    }

    public class GetFacilityAvailabilityRequest
    {
        public Guid? FacilityId { get; set; }

        [Required]
        public DateTime StartTime { get; set; }

        [Required, Range(1, int.MaxValue, ErrorMessage = "DurationMinutes must be at least 1")]
        public int DurationMinutes { get; set; }
    }
}