using System.Linq.Expressions;
using JdeScoping.Core.Models.Inventory;
using JdeScoping.DataSync.Contracts;

namespace JdeScoping.DataSync.Configuration.MergeConfigurations;

/// <summary>
/// Merge configuration for Item entities.
/// </summary>
public sealed class ItemMergeConfiguration : IMergeConfiguration<Item>
{
    public string TableName => "Item";

    public Expression<Func<Item, object>> MatchOn =>
        x => x.ShortItemNumber;

    public Expression<Func<Item, object>>? UpdateColumns =>
        x => new
        {
            x.ItemNumber,
            x.Description,
            x.PlanningFamily,
            x.StockingType
        };

    public Expression<Func<Item, Item, bool>>? UpdateWhen =>
        (src, tgt) => src.LastUpdateDt > tgt.LastUpdateDt;

    public Expression<Func<Item, object>>? InsertColumns => null;
}