using DevComponents.DotNetBar;
using DevComponents.DotNetBar.Metro;
using POSV.Component;
using POSV.Entity;
using POSV.Entity.Stock;
using POSV.MessageEvent;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace POSV.Stock
{
    public partial class SelectProductForm : BusinessForm
    {

        private int DefaultCategoryItemWidth = 100;

        private Size DefaultMainMenuSize = Size.Empty;

        private Size DefaultSubMenuSize = Size.Empty;

        private int DefaultPaddingLeftRight = -2;

        private List<FoodMaterialSeriesEntity> seriesList = new List<FoodMaterialSeriesEntity>();

        private List<FoodMaterialTypeEntity> typeList = new List<FoodMaterialTypeEntity>();

        private List<string> selectMaterialList = new List<string>();

        private string productTypeIds;

        private string _TypeLimit;

        public SelectProductForm(List<string> ids, string typeLimit)
        {
            InitializeComponent();

            selectMaterialList = ids ?? new List<string>();
            _TypeLimit = typeLimit;

            this.controlBox1.Text = "选择商品";
            this.controlBox1.ShowApplicationVersion = false;

            this.mainCategoryPage.OnPageChange += OnMainCategoryPageChange;
            this.subCategoryPage.OnPageChange += OnSubCategoryPageChange;

            this.productSelectControl1.FoodMaterialCheckedChanged += ProductSelectControl1_FoodMaterialCheckedChanged;
        }

        private void ProductSelectControl1_FoodMaterialCheckedChanged(object sender, Component.FoodMaterialEventArgs e)
        {
            var product = e.Entity;

            if (!selectMaterialList.Contains(product.SpecId))
            {
                selectMaterialList.Add(product.SpecId);
                OnProductClick?.Invoke(sender, new MaterialDetailEventArgs(product));
            }
        }

        private void OnMainCategoryPageChange(object sender, EventArgs e)
        {
            RefreshMain();
        }

        private void OnSubCategoryPageChange(object sender, EventArgs e)
        {
            RefreshSub();
        }

       
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            if (this.DesignMode) return;

            DefaultMainMenuSize = new Size(DefaultCategoryItemWidth, this.mainCategoryPage.Height);

            DefaultSubMenuSize = new Size(DefaultCategoryItemWidth, this.subCategoryPage.Height);

            InitMainMenu();
        }

        private void InitMainMenu()
        {
            try
            {
                string sql = null;
                if (_TypeLimit == ">=10")
                {
                    sql = @" select typePath from pos_product where type >= 10 and stockFlag = 1 and stopFlag=0 group by typePath ;";
                }
                else
                {
                    sql = @" select typePath from pos_product where stockFlag = 1 and stopFlag=0 group by typePath ;";
                }
                using (var db = Global.Instance.OpenDataBase)
                {
                    List< Product > productList = db.Fetch<Product>(sql);
                    productTypeIds = "";
                    foreach (Product product in productList)
                    {
                        if (string.IsNullOrEmpty(productTypeIds))
                        {
                            productTypeIds = string.Format("{0}", product.TypePath);
                        }
                        else
                        {
                            productTypeIds += string.Format(",{0}", product.TypePath);
                        }
                    }
                    sql = string.Format(" select id,tenantId,parentId,path,no,name,color from pos_product_type where id in ({0}) and  (parentId is null or parentId ='') order by no asc ;", productTypeIds);
                    seriesList = db.Fetch<FoodMaterialSeriesEntity>(sql);
                }
            }
            catch (Exception ex)
            {
                LOGGER.Error(ex);
            }
            RefreshMain();
        }

        private void RefreshMain()
        {
            ItemContainer ic = new ItemContainer();

            MetroTileItem firstItem = null;
            if (seriesList != null && seriesList.Count > 0)
            {
                this.mainCategoryPage.TotalCount = seriesList.Count;
                this.mainCategoryPage.itemWidth = DefaultCategoryItemWidth;
                //分页
                var pageSeriesList = this.mainCategoryPage.ListPager<FoodMaterialSeriesEntity>(seriesList);

                ic.MultiLine = false;
                ic.ItemSpacing = 1;
                ic.ResizeItemsToFit = false; //很关键

                foreach (var series in pageSeriesList)
                {
                    MetroTileItem item = new MetroTileItem();

                    item.CheckBehavior = eMetroTileCheckBehavior.None;
                    item.Checked = false;

                    item.OptionGroup = "MainMenu";

                    item.TileStyle.TextAlignment = eStyleTextAlignment.Center;
                    item.Text = series.Name;
                    item.TileSize = DefaultMainMenuSize;

                    item.TileStyle.TextColor = Color.White;
                    item.TileStyle.BackColor = ColorTranslator.FromHtml("#333333");
                    item.TileStyle.BackColor2 = ColorTranslator.FromHtml("#333333");
                    item.TileStyle.BorderColor = Color.Transparent;
                    item.TileStyle.BorderColor2 = Color.Transparent;

                    item.TileStyle.PaddingLeft = DefaultPaddingLeftRight;
                    item.TileStyle.PaddingRight = DefaultPaddingLeftRight;

                    item.Tag = series;

                    if (firstItem == null)
                    {
                        firstItem = item;
                    }

                    item.MouseDown += OnMainMenuMouseDown;
                    item.CheckedChanged += OnMainItemCheckedChange;
                    ic.SubItems.Add(item);
                }

            }
            this.mainCategoryPage.RefreshUI(ic);

            if (firstItem != null)
            {
                firstItem.Checked = true;
            }
        }

        private void OnMainItemCheckedChange(object sender, EventArgs e)
        {
            MetroTileItem obj = sender as MetroTileItem;
            if (obj.Checked)
            {
                obj.TileStyle.BackColor = ColorTranslator.FromHtml("#993366");
                obj.TileStyle.BackColor2 = ColorTranslator.FromHtml("#993366");

                //加载子类
                var series = obj.Tag as FoodMaterialSeriesEntity;

                using (var db = Global.Instance.OpenDataBase)
                {
                    string sql = string.Format(" select id,tenantId,parentId,path,no,name,color from pos_product_type where id in ({0}) and parentId is not null and parentId<>'' and path like '{1}%' order by no asc  ;", productTypeIds, series.Path);
                    typeList = db.Fetch<FoodMaterialTypeEntity>(sql);
                }

                RefreshSub();
                //加载大类下商品
                LoadMaterialDetail(series.Path);
            }
            else
            {
                obj.TileStyle.BackColor = ColorTranslator.FromHtml("#333333");
                obj.TileStyle.BackColor2 = ColorTranslator.FromHtml("#333333");
            }
        }

        private void PreLoadProduct(string sql)
        {
            List<FoodMaterialDetailEntity> detailList = new List<FoodMaterialDetailEntity>();

            using (var db = Global.Instance.OpenDataBase)
            {
                detailList = db.Query<FoodMaterialDetailEntity>(sql).ToList();
                if (detailList == null)
                {
                    detailList = new List<FoodMaterialDetailEntity>();
                }

            }
            this.productSelectControl1.SelectedIds = selectMaterialList;
            this.productSelectControl1.PageNumber = 1;
            this.productSelectControl1.BindDataSource(detailList);
        }

        private void LoadMaterialDetail(string typePath)
        {

            string sql = null;
            if (_TypeLimit == ">=10")
            {
                sql = SqlConstant.YHProductExt + " and a.type>=10 and a.typePath like '{0}%' order by a.no;";
            }
            else
            {
                sql = SqlConstant.YHProductExt + " and a.typePath like '{0}%' order by a.no;";
            }

            if (!string.IsNullOrEmpty(typePath))
            {
                PreLoadProduct(string.Format(sql, typePath));
            }
            //else
            //{
            //    if (!string.IsNullOrEmpty(keyWord))
            //    {
            //        using (var db = Global.Instance.OpenDataBase)
            //        {
            //            sqlBuld.Append(" and ( a.spell like '%{0}%' or a.no like '%{1}%' or a.name like '%{2}%')");
            //            string sql = string.Format(sqlBuld.ToString(), keyWord, keyWord, keyWord);
            //            detailList = db.Query<FoodMaterialDetailEntity>(sql).ToList();
            //            if (detailList == null)
            //            {
            //                detailList = new List<FoodMaterialDetailEntity>();
            //            }
            //        }
            //    }
            //}
            
        }

        /// <summary>
        /// 发送选择的原料信息
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void OnDetailMouseDown(object sender, MouseEventArgs e)
        {
            MetroTileItem obj = sender as MetroTileItem;
            FoodMaterialDetailEntity detail = (FoodMaterialDetailEntity)obj.Tag;

            obj.TileStyle.BackColor = ColorTranslator.FromHtml("#993366");
            obj.TileStyle.BackColor2 = ColorTranslator.FromHtml("#993366");

            //加入选中项
            if (!selectMaterialList.Contains(detail.ProductId))
            {
                selectMaterialList.Add(detail.ProductId);
            }


        }

        private void RefreshSub()
        {
            ItemContainer ic = new ItemContainer();

            if (typeList.Count > 0)
            {
                this.subCategoryPage.TotalCount = typeList.Count;
                this.subCategoryPage.itemWidth = DefaultCategoryItemWidth;
                //分页
                var pageTypeList = this.subCategoryPage.ListPager<FoodMaterialTypeEntity>(typeList);

                ic.MultiLine = false;
                ic.ItemSpacing = 1;
                ic.ResizeItemsToFit = false; //很关键


                foreach (var type in pageTypeList)
                {
                    MetroTileItem item = new MetroTileItem();

                    item.CheckBehavior = eMetroTileCheckBehavior.None;
                    item.Checked = false;

                    item.OptionGroup = "SubMenu";

                    item.TileStyle.TextAlignment = eStyleTextAlignment.Center;
                    item.Text = type.Name;
                    item.TileSize = DefaultSubMenuSize;

                    item.TileStyle.TextColor = Color.White;
                    item.TileStyle.BackColor = Color.Teal;
                    item.TileStyle.BackColor2 = Color.Teal;
                    item.TileStyle.BorderColor = Color.Transparent;
                    item.TileStyle.BorderColor2 = Color.Transparent;

                    item.TileStyle.PaddingLeft = DefaultPaddingLeftRight;
                    item.TileStyle.PaddingRight = DefaultPaddingLeftRight;

                    item.Tag = type;

                    item.MouseDown += OnSubMenuMouseDown;
                    item.CheckedChanged += OnSubMenuCheckedChanged;
                    ic.SubItems.Add(item);
                }

            }

            this.subCategoryPage.RefreshUI(ic);

        }

        /// <summary>
        /// 加载子菜单
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void OnMainMenuMouseDown(object sender, MouseEventArgs e)
        {
            MetroTileItem obj = sender as MetroTileItem;
            obj.Checked = true;
        }

        /// <summary>
        /// 加载小类原料
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void OnSubMenuMouseDown(object sender, MouseEventArgs e)
        {
            MetroTileItem obj = sender as MetroTileItem;
            obj.Checked = true;
        }

        private void OnSubMenuCheckedChanged(object sender, EventArgs e)
        {
            MetroTileItem obj = sender as MetroTileItem;
            if (obj.Checked)
            {
                obj.TileStyle.BackColor = ColorTranslator.FromHtml("#993366");
                obj.TileStyle.BackColor2 = ColorTranslator.FromHtml("#993366");

                //加载商品信息
                var type = obj.Tag as FoodMaterialTypeEntity;
                LoadMaterialDetail(type.Path);
            }
            else
            {
                obj.TileStyle.BackColor = Color.Teal;
                obj.TileStyle.BackColor2 = Color.Teal;
            }
        }

        private void OnCloseTouchClick(object sender, EventArgs e)
        {
            //先关闭父窗体
            if (this.Owner != null)
            {
                this.Owner.Close();
            }
            //再关闭当前窗体
            this.Close();
        }

        private void ExitClick(object sender, EventArgs e)
        {
            //先关闭父窗体
            if (this.Owner != null)
            {
                this.Owner.Close();
            }
            //再关闭当前窗体
            this.Close();
        }

        private void in_KeyWord_Enter(object sender, Component.EnterEventArg e)
        {
            //加载关键词下的原料
            string keyWord = this.txtSearch.Text;
            LoadMaterialDetail(null);
        }

        public delegate void EventHandler(object sender, MaterialDetailEventArgs e);

        public event EventHandler OnProductClick;

        private void OnShowKeyboardClick(object sender, EventArgs e)
        {
            if (SimpleKeyboard.Showing())
            {
                SimpleKeyboard.CloseKeyboard();
            }
            else
            {

                var location = this.doubleBufferPanelX1.PointToScreen(Point.Empty);
                location.Y -= 300;

                var size = new Size(this.doubleBufferPanelX1.Width, 300);

                //var action = new Action<string>((args) => {
                //    this.txtSearch.Text = (args != null ? args.ToString() : string.Empty);
                //});
                //SimpleKeyboard.ShowKeyboard(this , location , size , true, action);

                SimpleKeyboard.ShowKeyboard(this, location, size, false, null);
            }
        }

        private void OnTextChanged(object sender, EventArgs e)
        {
            var search = this.txtSearch.Text.Trim();
            if (string.IsNullOrEmpty(search))
            {
                return;
            }

            SearchProduct(search);
        }

        private void SearchProduct(string search)
        {

            Task.Factory.StartNew(() =>
            {
                this.Invoke(new Action(() =>
                {
                    string template = string.Empty;
                    if (_TypeLimit == ">=10")
                    {
                        template = SqlConstant.YHProductExt + " and a.type>=10 ";
                    }
                    else
                    {
                        template = SqlConstant.YHProductExt;
                    }
                    template += " and (a.spell like '%{0}%' or a.barCode like '%{1}%' or a.no like '%{2}%') order by a.no;";
                    string sql = string.Format(template, search, search, search);

                    PreLoadProduct(sql);

                }));
                return true;

            }).ContinueWith(task =>
            {
                if (task.Result)
                {
                    this.Invoke(new Action(() =>
                    {
                        MsgEvent.Send(Constant.PRODUCTSELECT_KEYBOARD_NOTIFY, KeyboardAction.Search);
                        //if (autoSubmit)
                        //{
                        //    MsgEvent.Send(Constant.PRODUCT_KEYBOARD_NOTIFY, KeyboardAction.Enter);
                        //}
                    }));
                }

            });
        }

    }
}