using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace Webshop.Domain.Entities;

/// <summary>
/// Die Details jeder Kundenbestellung, inklusive Gastbestellungen.
/// </summary>
public class Order
{
    [Key]
    public Guid Id { get; set; }

    // Unique-Constraint wird via Fluent API konfiguriert
    [Required]
    [MaxLength(50)]
    public string OrderNumber { get; set; }

    [ForeignKey(nameof(Customer))]
    public Guid? CustomerId { get; set; }

    [MaxLength(256)]
    [EmailAddress]
    public string? GuestEmail { get; set; }

    [MaxLength(20)]
    [Phone]
    public string? GuestPhoneNumber { get; set; }

    [Required]
    public DateTimeOffset OrderDate { get; set; }

    [Required]
    [MaxLength(50)]
    public string OrderStatus { get; set; }

    // Precision wird via Fluent API konfiguriert
    [Required]
    public decimal OrderTotal { get; set; }

    [Required]
    public decimal ShippingCost { get; set; }

    [Required]
    public decimal TaxAmount { get; set; }

    [Required]
    public decimal DiscountAmount { get; set; }

    [Required]
    [MaxLength(50)]
    public string PaymentStatus { get; set; }

    [Required]
    [MaxLength(100)]
    public string PaymentMethod { get; set; }

    [ForeignKey(nameof(PaymentMethodInfo))]
    public Guid? PaymentMethodId { get; set; }

    [ForeignKey(nameof(ShippingMethodInfo))]
    public Guid? ShippingMethodId { get; set; }

    [MaxLength(255)]
    public string? TransactionId { get; set; }

    [Required]
    [ForeignKey(nameof(BillingAddress))]
    public Guid BillingAddressId { get; set; }

    [Required]
    [ForeignKey(nameof(ShippingAddress))]
    public Guid ShippingAddressId { get; set; }

    [MaxLength(1000)]
    public string? CustomerNotes { get; set; }

    [MaxLength(1000)]
    public string? AdminNotes { get; set; }

    // Navigation Properties
    public virtual Customer? Customer { get; set; }
    public virtual Address BillingAddress { get; set; }
    public virtual Address ShippingAddress { get; set; }
    public virtual PaymentMethod? PaymentMethodInfo { get; set; }
    public virtual ShippingMethod? ShippingMethodInfo { get; set; }
    public virtual ICollection<OrderItem> OrderItems { get; set; } = new List<OrderItem>();
}