using System.Linq.Expressions;
using Comal.Classes;
using InABox.Configuration;
using InABox.Core;
using InABox.Database;
using NPOI.SS.Formula.Functions;
using Columns = InABox.Core.Columns;

namespace PRS.Shared.Database_Update_Scripts;

internal class Update_8_23 : DatabaseUpdateScript
{
    
    public override VersionNumber Version => new(8, 23);
    
    public override bool Update()
    {
        var _provider = DbFactory.NewProvider(Logger.Main);
        CheckDimensions<RequisitionItem>(_provider);
        
        CheckDimensions<StockMovement>(_provider);

        // var holdings = _provider.Query(
        //     null,
        //     Columns.None<StockHolding>()
        //         .Add(x => x.Location.ID)
        //         .Add(x => x.Product.ID)
        //         .Add(x => x.Job.ID)
        //         .Add(x => x.Style.ID)
        //         .Add(x => x.Dimensions.Unit.ID)
        //         .Add(x => x.Dimensions.Length)
        //         .Add(x => x.Dimensions.Width)
        //         .Add(x => x.Dimensions.Height)
        //         .Add(x => x.Dimensions.Quantity)
        //         .Add(x => x.Dimensions.Width)
        //         .Add(x => x.AverageValue)
        // ).Rows.ToObjects<StockHolding>().ToArray();
        //
        // var instances = _provider.Query(
        //     null,
        //     Columns.None<ProductInstance>()
        //         .Add(x => x.Product.ID)
        //         .Add(x => x.Style.ID)
        //         .Add(x => x.Dimensions.Unit.ID)
        //         .Add(x => x.Dimensions.Length)
        //         .Add(x => x.Dimensions.Width)
        //         .Add(x => x.Dimensions.Height)
        //         .Add(x => x.Dimensions.Quantity)
        //         .Add(x => x.Dimensions.Width)
        //         .Add("AverageCost")
        // ).Rows.ToObjects<ProductInstance>().ToArray();

        //CheckStockMovementCosts(_provider, holdings, instances);

        //RecalculateHoldings(_provider, holdings);
        
        return true;
    }

    // private void RecalculateHoldings(IProvider provider, StockHolding[] holdings)
    // {
    //     foreach (var holding in holdings)
    //     {
    //         var movements = provider.Query(
    //             new Filter<StockMovement>(x=>x.Product.ID))
    //     }
    // }

    // private void CheckStockMovementCosts(IProvider provider, StockHolding[] holdings, ProductInstance[] instances)
    // {
    //     
    //     var items = provider.Query(
    //         new Filter<StockMovement>(x=>x.Product.ID).IsNotEqualTo(Guid.Empty).And(x=>x.Cost).IsEqualTo(0.0),
    //         Columns.None<StockMovement>()
    //             .Add(x => x.ID)
    //             .Add(x => x.Location.ID)
    //             .Add(x => x.Product.ID)
    //             .Add(x => x.Job.ID)
    //             .Add(x => x.Style.ID)
    //             .Add(x => x.Dimensions.Unit.ID)
    //             .Add(x => x.Dimensions.Length)
    //             .Add(x => x.Dimensions.Width)
    //             .Add(x => x.Dimensions.Height)
    //             .Add(x => x.Dimensions.Quantity)
    //             .Add(x => x.Dimensions.Width)
    //             .Add(x => x.Cost)
    //     ).Rows.ToQueue();
    //     
    //     while (items.Any())
    //     {
    //         Logger.Send(LogType.Information,"",$"Updating {nameof(StockMovement)} Costs ({items.Count} remaining)..");
    //         var updates = items.Dequeue(100).ToObjects<StockMovement>().ToArray();
    //         foreach (var item in updates)
    //         {
    //             var holding = holdings.FirstOrDefault(x =>
    //                 Guid.Equals(x.Product.ID, item.Product.ID)
    //                 && Guid.Equals(x.Location.ID, item.Location.ID)
    //                 && Guid.Equals(x.Style.ID, item.Style.ID)
    //                 && Guid.Equals(x.Dimensions.Unit.ID, item.Dimensions.Unit.ID)
    //                 && x.Dimensions.Length.IsEffectivelyEqual(item.Dimensions.Length)
    //                 && x.Dimensions.Width.IsEffectivelyEqual(item.Dimensions.Width)
    //                 && x.Dimensions.Height.IsEffectivelyEqual(item.Dimensions.Height)
    //                 && x.Dimensions.Weight.IsEffectivelyEqual(item.Dimensions.Weight)
    //                 && x.Dimensions.Quantity.IsEffectivelyEqual(item.Dimensions.Quantity)
    //             );
    //             if (holding != null)
    //                 item.Cost = holding.AverageValue;
    //             else
    //             {
    //                 var instance = instances.FirstOrDefault(x =>
    //                     Guid.Equals(x.Product.ID, item.Product.ID)
    //                     && Guid.Equals(x.Style.ID, item.Style.ID)
    //                     && Guid.Equals(x.Dimensions.Unit.ID, item.Dimensions.Unit.ID)
    //                     && x.Dimensions.Length.IsEffectivelyEqual(item.Dimensions.Length)
    //                     && x.Dimensions.Width.IsEffectivelyEqual(item.Dimensions.Width)
    //                     && x.Dimensions.Height.IsEffectivelyEqual(item.Dimensions.Height)
    //                     && x.Dimensions.Weight.IsEffectivelyEqual(item.Dimensions.Weight)
    //                     && x.Dimensions.Quantity.IsEffectivelyEqual(item.Dimensions.Quantity)
    //                 );
    //                 if (instance != null)
    //                     item.Cost = (double)(CoreUtils.GetPropertyValue(instance,"AverageCost") ?? 0.0);
    //             }
    //         }
    //         provider.Save(updates.Where(x=>x.IsChanged()));
    //     }
    // }
    //
    //    private void CheckRequisitionItemCosts(IProvider provider, StockHolding[] holdings, ProductInstance[] instances)
    // {
    //     
    //     var items = provider.Query(
    //         new Filter<RequisitionItem>(x=>x.Product.ID).IsNotEqualTo(Guid.Empty).And(x=>x.Cost).IsEqualTo(0.0),
    //         Columns.None<RequisitionItem>()
    //             .Add(x => x.ID)
    //             .Add(x => x.Location.ID)
    //             .Add(x => x.Product.ID)
    //             .Add(x => x.RequisitionLink.JobLink.ID)
    //             .Add(x => x.Style.ID)
    //             .Add(x => x.Dimensions.Unit.ID)
    //             .Add(x => x.Dimensions.Length)
    //             .Add(x => x.Dimensions.Width)
    //             .Add(x => x.Dimensions.Height)
    //             .Add(x => x.Dimensions.Quantity)
    //             .Add(x => x.Dimensions.Width)
    //             .Add(x => x.Cost)
    //     ).Rows.ToObjects<RequisitionItem>().ToQueue();
    //     
    //     while (items.Any())
    //     {
    //         Logger.Send(LogType.Information,"",$"Updating {nameof(RequisitionItem)} Costs ({items.Count} remaining)..");
    //         var updates = items.Dequeue(100).ToArray();
    //         foreach (var item in updates)
    //         {
    //             var holding = holdings.FirstOrDefault(x =>
    //                 Guid.Equals(x.Product.ID, item.Product.ID)
    //                 && Guid.Equals(x.Location.ID, item.Location.ID)
    //                 && Guid.Equals(x.Style.ID, item.Style.ID)
    //                 && Guid.Equals(x.Dimensions.Unit.ID, item.Dimensions.Unit.ID)
    //                 && x.Dimensions.Length.IsEffectivelyEqual(item.Dimensions.Length)
    //                 && x.Dimensions.Width.IsEffectivelyEqual(item.Dimensions.Width)
    //                 && x.Dimensions.Height.IsEffectivelyEqual(item.Dimensions.Height)
    //                 && x.Dimensions.Weight.IsEffectivelyEqual(item.Dimensions.Weight)
    //                 && x.Dimensions.Quantity.IsEffectivelyEqual(item.Dimensions.Quantity)
    //             );
    //             if (holding != null)
    //                 item.Cost = holding.AverageValue;
    //             else
    //             {
    //                 var instance = instances.FirstOrDefault(x =>
    //                     Guid.Equals(x.Product.ID, item.Product.ID)
    //                     && Guid.Equals(x.Style.ID, item.Style.ID)
    //                     && Guid.Equals(x.Dimensions.Unit.ID, item.Dimensions.Unit.ID)
    //                     && x.Dimensions.Length.IsEffectivelyEqual(item.Dimensions.Length)
    //                     && x.Dimensions.Width.IsEffectivelyEqual(item.Dimensions.Width)
    //                     && x.Dimensions.Height.IsEffectivelyEqual(item.Dimensions.Height)
    //                     && x.Dimensions.Weight.IsEffectivelyEqual(item.Dimensions.Weight)
    //                     && x.Dimensions.Quantity.IsEffectivelyEqual(item.Dimensions.Quantity)
    //                 );
    //                 if (instance != null)
    //                     item.Cost = (double)(CoreUtils.GetPropertyValue(instance,"AverageCost") ?? 0.0);
    //             }
    //         }
    //         provider.Save(updates.Where(x=>x.IsChanged()));
    //     }
    // }
    
    private void CheckDimensions<T>(IProvider provider) where T : StockEntity, new()
    {
        var items = provider.Query(
            new Filter<T>(x => x.Dimensions.Unit.ID).IsNotEqualTo(Guid.Empty).And(x=>x.Dimensions.Value).IsEqualTo(0.0),
            Columns.Required<T>()
        ).Rows.ToObjects<T>().ToQueue();
        while (items.Any())
        {
            Logger.Send(LogType.Information,"",$"Updating {typeof(T).Name.Split('.').Last()} Dimensions ({items.Count} remaining)..");
            var updates = items.Dequeue(100).ToArray();
            foreach (var item in updates)
                item.Dimensions.CalculateValueAndUnitSize();
            provider.Save(updates);
        }
    }
    
    
}