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

namespace Fitness_core_BE.Models
{
    /// <summary>A snapshot receipt generated the moment a Booking's payment is recorded (either
    /// via MarkGuestBookingPaid or the Complete checkout flow) -- deliberately NOT a live join to
    /// Booking/Facility, so it stays stable and printable even if the booking is later reassigned,
    /// rescheduled, or the facility renamed. Purpose-built for bookings and kept entirely separate
    /// from CustomerInvoice, which is hardwired to the membership/subscription domain
    /// (FKCustomerSubscriptionId is required there) and has no concept of a one-off booking
    /// charge.</summary>
    public class BookingInvoice
    {
        [Key]
        public Guid BookingInvoiceId { get; set; }

        public Guid FKBookingId { get; set; }
        [ForeignKey(nameof(FKBookingId))]
        public Booking? Booking { get; set; }

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

        public decimal Amount { get; set; }

        /// <summary>"Cash" | "Bank".</summary>
        [MaxLength(20)]
        public string PaymentMethod { get; set; } = "Cash";

        [MaxLength(200)]
        public string GuestName { get; set; } = string.Empty;
        [MaxLength(32)]
        public string? GuestPhone { get; set; }

        [MaxLength(128)]
        public string FacilityName { get; set; } = string.Empty;
        public DateTime BookingStartTime { get; set; }
        public DateTime BookingEndTime { get; set; }

        public DateTime IssuedAt { get; set; } = DateTime.UtcNow;
    }
}