using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using Volo.Abp.Domain.Entities.Auditing;

namespace KonSoft.Admin.Entities;

public class Product(
    Guid id,
    string name,
    string code,
    decimal price,
    string description,
    string type,
    Guid? parentId,
    string status = "在售",
    int order = 0) : FullAuditedAggregateRoot<Guid>(id)
{
    /// <summary>
    ///     分类名称
    /// </summary>
    public string Name { get; private set; } = name;

    /// <summary>
    ///     商品编码
    /// </summary>
    public string Code { get; private set; } = code;

    /// <summary>
    ///     商品价格
    /// </summary>
    public decimal Price { get; private set; } = price;

    /// <summary>
    ///     商品描述
    /// </summary>
    public string Description { get; private set; } = description;

    /// <summary>
    ///     分类类型（大类或小类）
    /// </summary>
    public string Type { get; private set; } = type;

    /// <summary>
    ///     父分类ID
    /// </summary>
    public Guid? ParentId { get; private set; } = parentId;

    /// <summary>
    ///     商品状态（在售/下架等）
    /// </summary>
    public string Status { get; private set; } = status;

    /// <summary>
    ///     排序字段
    /// </summary>
    public int Order { get; private set; } = order;

    [NotMapped] public List<Product> Children { get; set; } = new();

    /// <summary>
    ///     修改商品信息
    /// </summary>
    public void Update(string name, string code, decimal price, string description, int order)
    {
        Name = name;
        Code = code;
        Price = price;
        Description = description;
        Order = order;
    }

    /// <summary>
    ///     修改商品分类
    /// </summary>
    public void ChangeCategory(string type, Guid? parentId)
    {
        Type = type;
        ParentId = parentId;
    }

    /// <summary>
    ///     上架商品
    /// </summary>
    public void PutOnSale()
    {
        Status = "在售";
    }

    /// <summary>
    ///     下架商品
    /// </summary>
    public void TakeOffSale()
    {
        Status = "下架";
    }

    /// <summary>
    ///     修改价格
    /// </summary>
    public void ChangePrice(decimal newPrice)
    {
        Price = newPrice;
    }
}