using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace Fitness_core_BE.Models
{
    /// <summary>
    /// Tenant-scoped physical-access identity. A platform user can belong to several
    /// gyms, but receives one independent access profile per gym.
    /// </summary>
    public class AccessProfile
    {
        [Key]
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        public long AccessProfileId { get; set; }

        public Guid FKClientId { get; set; }
        [ForeignKey(nameof(FKClientId))]
        public Client Client { get; set; } = null!;

        public Guid FKUserId { get; set; }
        [ForeignKey(nameof(FKUserId))]
        public User User { get; set; } = null!;

        [MaxLength(20)]
        public string PersonType { get; set; } = "Customer";

        [MaxLength(128)]
        public string DisplayName { get; set; } = string.Empty;

        [MaxLength(20)]
        public string DesiredAccessState { get; set; } = "Enabled";

        public int DesiredVersion { get; set; } = 1;

        [MaxLength(100)]
        public string? LockReason { get; set; }

        public DateTime? LockedAt { get; set; }

        // ---- Face photo (Hikvision face library) ----
        // The image itself is never persisted here: it travels in the UpsertFacePhoto
        // DeviceCommand payload only until the terminal confirms enrolment, at which point
        // the payload is purged. What survives is the enrolment state plus the device-side
        // record id, which is what a later replace/delete needs.

        /// <summary>True once the terminal has accepted a face for this profile.</summary>
        public bool HasFacePhoto { get; set; }

        /// <summary>"None" | "Pending" | "Synced" | "Failed".</summary>
        [MaxLength(20)]
        public string FacePhotoStatus { get; set; } = "None";

        /// <summary>Hikvision face-record id (FPID) returned on enrolment.</summary>
        [MaxLength(64)]
        public string? FacePhotoFPID { get; set; }

        /// <summary>Why the terminal rejected the face (not frontal, eyes closed, ...).</summary>
        [MaxLength(500)]
        public string? FacePhotoError { get; set; }

        public DateTime? FacePhotoUpdatedAt { get; set; }
        public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
        public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;

        public ICollection<AccessDeviceBinding> DeviceBindings { get; set; } = new List<AccessDeviceBinding>();
    }
}