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

namespace Lagerbestand.Models;

/// <summary>
/// Type of catalog item
/// </summary>
public enum CatalogItemType
{
    /// <summary>
    /// Tire category
    /// </summary>
    Reifen = 0,

    /// <summary>
    /// Rim/wheel category
    /// </summary>
    Felgen = 1
}

public class CatalogItem
{
    [Key]
    public Guid Id { get; set; } = Guid.NewGuid();

    [Required]
    [MaxLength(200)]
    public string Name { get; set; } = string.Empty;

    [MaxLength(500)]
    public string? PictureFileName { get; set; }

    /// <summary>
    /// Size info - tire size for Reifen (e.g., "225/45 R17"), rim size for Felgen (e.g., "17 Zoll")
    /// </summary>
    [MaxLength(50)]
    public string TireSize { get; set; } = string.Empty;

    public TireSeason Season { get; set; } = TireSeason.Sommer;

    /// <summary>
    /// Category type (Reifen or Felgen)
    /// </summary>
    public CatalogItemType Type { get; set; } = CatalogItemType.Reifen;

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

    public DateTime? UpdatedAt { get; set; }

    /// <summary>
    /// Display label for the size field based on type
    /// </summary>
    [NotMapped]
    public string SizeLabel => Type == CatalogItemType.Felgen ? "Felgengröße" : "Reifengröße";

    /// <summary>
    /// Display details string
    /// </summary>
    [NotMapped]
    public string DisplayDetails => Type == CatalogItemType.Felgen
        ? TireSize
        : $"{TireSize} | {Season}";
}

public enum TireSeason
{
    Sommer = 0,
    Winter = 1,
    Allrad = 2
}