using System.ComponentModel.DataAnnotations;

namespace LittleShop.Models;

public class BotActivity
{
    [Key]
    public Guid Id { get; set; }

    public Guid BotId { get; set; }

    [StringLength(256)]
    public string SessionIdentifier { get; set; } = string.Empty; // Hashed user ID

    [StringLength(100)]
    public string UserDisplayName { get; set; } = string.Empty; // e.g., "Merlin", "Anonymous User #123"

    [Required]
    [StringLength(50)]
    public string ActivityType { get; set; } = string.Empty; // e.g., "ViewProduct", "AddToCart", "Checkout", "Browse"

    [StringLength(500)]
    public string ActivityDescription { get; set; } = string.Empty; // e.g., "Viewing Red Widget", "Added 3x Blue Gadget to cart"

    public Guid? ProductId { get; set; } // Related product if applicable

    [StringLength(200)]
    public string ProductName { get; set; } = string.Empty; // Denormalized for performance

    public Guid? OrderId { get; set; } // Related order if applicable

    [StringLength(100)]
    public string CategoryName { get; set; } = string.Empty; // If browsing categories

    public decimal? Value { get; set; } // Monetary value if applicable (cart total, order amount)

    public int? Quantity { get; set; } // Quantity if applicable

    [StringLength(100)]
    public string Platform { get; set; } = "Telegram"; // Telegram, Discord, Web, etc.

    [StringLength(50)]
    public string DeviceType { get; set; } = string.Empty; // Mobile, Desktop, etc.

    [StringLength(100)]
    public string Location { get; set; } = string.Empty; // Country or region if available

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

    public string Metadata { get; set; } = "{}"; // JSON for additional flexible data

    // Navigation properties
    public virtual Bot Bot { get; set; } = null!;
    public virtual Product? Product { get; set; }
    public virtual Order? Order { get; set; }
}