using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;
using Comal.Classes;
using InABox.Clients;
using InABox.Core;
using InABox.DynamicGrid;
using InABox.WPF;

namespace PRSDesktop
{
    public class JobBillOfMaterialsItemGrid : DynamicDataGrid<JobBillOfMaterialsItem>
    {
        public JobBillOfMaterialsItemGrid()
        {
            Options.AddRange(
                DynamicGridOption.RecordCount,
                DynamicGridOption.SelectColumns,
                DynamicGridOption.AddRows,
                DynamicGridOption.ExportData,
                DynamicGridOption.FilterRows,
                DynamicGridOption.MultiSelect,
                DynamicGridOption.EditRows,
                DynamicGridOption.DeleteRows
            );
            HiddenColumns.Add(x => x.Dimensions.Unit.ID);
            HiddenColumns.Add(x => x.Dimensions.Unit.Format);
            HiddenColumns.Add(x => x.Dimensions.Unit.Formula);
            HiddenColumns.Add(x => x.Dimensions.Unit.HasLength);
            HiddenColumns.Add(x => x.Dimensions.Unit.HasWidth);
            HiddenColumns.Add(x => x.Dimensions.Unit.HasWeight);
            HiddenColumns.Add(x => x.Dimensions.Unit.HasHeight);
            HiddenColumns.Add(x => x.Dimensions.Unit.HasQuantity);
            HiddenColumns.Add(x => x.Dimensions.Length);
            HiddenColumns.Add(x => x.Dimensions.Width);
            HiddenColumns.Add(x => x.Dimensions.Height);
            HiddenColumns.Add(x => x.Dimensions.Weight);
            HiddenColumns.Add(x => x.Dimensions.Quantity);
            HiddenColumns.Add(x => x.Dimensions.UnitSize);
            HiddenColumns.Add(x => x.Dimensions.Value);
            HiddenColumns.Add(x => x.Product.ID);
            HiddenColumns.Add(x => x.Product.Code);
            HiddenColumns.Add(x => x.Product.Name);
            HiddenColumns.Add(x => x.Style.ID);
            HiddenColumns.Add(x => x.Style.Code);
            HiddenColumns.Add(x => x.Style.Description);

            AddButton("Create Requi", null, CreateRequi);
        }

        private bool CreateRequi(System.Windows.Controls.Button btn, CoreRow[] rows)
        {
            if (!rows.Any())
            {
                MessageBox.Show("Please select at least one row to add to Requi!");
                return false;
            }

            JobRequisition jobRequi = new JobRequisition();
            jobRequi.Job.ID = JobID;
            jobRequi.Description = "New Requisition";

            var page = new JobRequisitionGrid();
            page.OnAfterSave += (form, items) => { MessageBox.Show("Success - Job Requisition Raised."); };
            return page.EditItems(new[] { jobRequi }, LoadJobRequiItems, true);
        }

        private CoreTable LoadJobRequiItems(Type arg)
        {
            Progress.Show("Working");
            var result = new CoreTable();
            result.LoadColumns(typeof(JobRequisitionItem));
            List<JobRequisitionItem> requiItems = new List<JobRequisitionItem>();
            foreach (CoreRow row in SelectedRows)
            {
                JobBillOfMaterialsItem BOMitem = row.ToObject<JobBillOfMaterialsItem>();
                JobRequisitionItem requiItem = new JobRequisitionItem();
                requiItem.Qty = BOMitem.Quantity;
                requiItem.Product.ID = BOMitem.Product.ID;
                requiItem.Product.Code = BOMitem.Product.Code;
                requiItem.Product.Name = BOMitem.Product.Name;
                requiItem.Style.ID = BOMitem.Style.ID;
                requiItem.Style.Code = BOMitem.Style.Code;
                requiItem.Style.Description = BOMitem.Style.Description;
                requiItem.Supplier.ID = BOMitem.Supplier.ID;
                requiItem.Supplier.Code = BOMitem.Supplier.Code;
                requiItem.Supplier.Name = BOMitem.Supplier.Name;
                requiItem.Dimensions.CopyFrom(BOMitem.Dimensions);
                requiItem.Job.ID = JobID;
                requiItems.Add(requiItem);
            }
            result.LoadRows(requiItems);
            Progress.Close();
            return result;
        }

        public Guid JobID { get; set; }

        public Guid BillOfMaterialsID { get; set; }

        public event DataModelUpdateEvent OnUpdateDataModel;

        protected override void DoAdd()
        {
            if (BillOfMaterialsID.Equals(Guid.Empty) || BillOfMaterialsID.Equals(CoreUtils.FullGuid))
                MessageBox.Show("Please select a Bill Of Materials first!");
            else
                base.DoAdd();
        }

        protected override JobBillOfMaterialsItem CreateItem()
        {
            var result = base.CreateItem();
            result.BillOfMaterials.ID = BillOfMaterialsID;
            result.Job.ID = JobID;
            return result;
        }

        protected override void Reload(Filters<JobBillOfMaterialsItem> criteria, Columns<JobBillOfMaterialsItem> columns,
            ref SortOrder<JobBillOfMaterialsItem> sort, Action<CoreTable, Exception> action)
        {
            criteria.Add(new Filter<JobBillOfMaterialsItem>(x => x.BillOfMaterials.ID).IsEqualTo(BillOfMaterialsID));
            base.Reload(criteria, columns, ref sort, action);
        }

    }
}