using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using DevComponents.DotNetBar;
using DevComponents.DotNetBar.Metro;
using POSV.Dianping;
using POSV.Entity;
using POSV.ShoppingCart;
using POSV.Utils;

namespace POSV.Component
{
    public partial class MeituanCouponForm : BusinessForm
    {
        private OrderObject _orderObject = null;

        public MeituanCouponForm(OrderObject orderObject)
        {
            InitializeComponent();

            this.itemPanel.ResizeItemsToFit = false;
            this.itemPanel.BackgroundStyle.Class = "MetroTileGroupTitle";//很关键

            this.controlBox.Text = "线上卡券核销";
            this.lblCouponName.Text = string.Empty;
            this.ButtonOK.Enabled = false;

            this.ActiveControl = this.txtCouponCode;

            _orderObject = orderObject;
        }


        private void OnKeyboardClick(object sender, EventArgs e)
        {
            if (sender is NumericTextBox)
            {
                var obj = sender as NumericTextBox;
                var point = this.PointToScreen(obj.Location);
                var p = NumericKeyboard.CalculateLocation(point, obj.Width);
                NumericKeyboard.ShowKeyboard(this, p);
            }
        }

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

        public event EventHandler CouponClick;


        private void OnCouponButtonClick(object sender, EventArgs e)
        {
            var button = sender as ButtonX;
            try
            {
                button.Enabled = false;

                //zhangy Add 2020-05-21 不存在美团券支付方式，禁止使用
                var meituanPayMode = OrderUtils.GetMeituanPayMode();
                if(meituanPayMode == null)
                {
                    DialogForm.ShowAlert(this, "操作提示", "门店没有美团券支付方式，请联系总部");
                    return;
                }

                var obj = button.Tag as Tuple<string, CouponStatusQueryResponse, List<ProductExt>>;

                var content = obj.Item2;

                //包含商品并且已经点单
                if (this._dealSkuMappingDetailCount > 0 && this._orderObject.Items.Count > 0)
                {
                    DialogForm.ShowAlert(this, "操作提示", "该券不支持和其他商品混用");

                    return;
                }

                //代金券，没有携带商品，需要先点单再核销
                if (content.DealType == 1 && this._dealSkuMappingDetailCount == 0 && this._orderObject.Items.Count == 0)
                {
                    DialogForm.ShowAlert(this, "操作提示", "请先点单，然后再核销代金券");

                    return;
                }


                //可选商品数量和已选商品数量不匹配
                if (this._dealSkuMappingDetailCount != this._selectProduct.Count)
                {
                    DialogForm.ShowAlert(this, "操作提示", "请任意选择【"+ this._dealSkuMappingDetailCount + "】款商品");

                    return;
                }

               

                var data = new Tuple<string, CouponStatusQueryResponse, List<ProductExt>>(obj.Item1,obj.Item2,this._selectProduct);

                var args = new NotifyEventArgs(NotifyAction.Accept, data);

                CouponClick?.Invoke(this, args);

                this.OnTouchClick(sender, e);
            }
            catch(Exception ex){}
            finally
            {
                button.Enabled = true;
            }
            
        }

        private void OnTouchClick(object sender, EventArgs e)
        {
            if (this.Owner != null)
            {
                this.Owner.Close();
            }
            this.Close();
        }

        /// <summary>
        /// 已选择商品
        /// </summary>
        private List<ProductExt> _selectProduct = new List<ProductExt>();

        /// <summary>
        /// 可选的商品数量
        /// </summary>
        private int _dealSkuMappingDetailCount = 0;

        /// <summary>
        /// 包含的商品数量
        /// </summary>
        private int _vendorSkusCount = 0;
        

        private void DoQueryCouponByCode(string couponCode)
        {
            //清空确认按钮的绑定对象
            this.ButtonOK.Tag = null;

            if (string.IsNullOrEmpty(couponCode))
            {
                this.ShowToastNotify(this, "请输入券码");
                return;
            }

            //券码是否已经在优惠清单中
            if(this._orderObject.Promotions.Exists(x => couponCode.Equals(x.PlanNo)))
            {
                this.ShowToastNotify(this, "本单含券码["+couponCode+"]，不要重复使用");
                return;
            }

            try
            {
                var request = new CouponStatusQueryRequest();
                request.CouponCode = couponCode;
                request.VendorShopId = Global.Instance.Authc.StoreNo;


                var result = MeituanCouponUtils.Instance.CouponQuery(request);

                if (result.Item1)
                {
                    var content = result.Item3;

#if DEBUG
                    ////zhangy 2020-05-09 Add 模拟测试 
                    //if (content.DealSkuMappingDetail == null)
                    //{
                    //    content.DealSkuMappingDetail = new DealSkuMappingDetail();

                    //    content.DealSkuMappingDetail.Count = 2;

                    //    content.DealSkuMappingDetail.VendorSkus = new List<string>();

                    //    content.DealSkuMappingDetail.VendorSkus.Add("791756554734014465");
                    //    content.DealSkuMappingDetail.VendorSkus.Add("660654278133813248");
                    //    content.DealSkuMappingDetail.VendorSkus.Add("690264477832187904");
                    //}
#endif



                    this.ButtonOK.Enabled = (content.Status == 10);
                    string dealTypeName = getDealTypeName(content.DealType);

                    string dealSkuMappingDetailInfo = "不包含商品";
                    bool allowChecked = false;

                    //清理已选商品
                    this._selectProduct.Clear();

                    if (content.DealSkuMappingDetail != null && content.DealSkuMappingDetail.Count > 0)
                    {
                        //可选数量
                        this._dealSkuMappingDetailCount = content.DealSkuMappingDetail.Count;
                        //包含的商品数量
                        this._vendorSkusCount = content.DealSkuMappingDetail.VendorSkus.Count;                        

                        //可选数量和定义数量相同
                        if (this._dealSkuMappingDetailCount == this._vendorSkusCount)
                        {
                            dealSkuMappingDetailInfo = "包含[" + this._dealSkuMappingDetailCount + "]个商品";
                        }
                        else
                        {
                            //允许任选
                            allowChecked = true;

                            dealSkuMappingDetailInfo = "请在["+ this._vendorSkusCount + "]款商品中任选[" + this._dealSkuMappingDetailCount + "]个";
                        }                        
                    }


                    this.lblCouponName.Text = string.Format("【{0}】{1},{2}",dealTypeName, content.DealTitle, dealSkuMappingDetailInfo);

                    this.lblCouponStatus.Text = (content.Status == 10 ? "可用" : "不可用");

                    this.lblCouponEndTime.Text = content.CouponEndTime;

                    this.lblDealValue.Text = Convert.ToString(content.DealValue);

                    List<ProductExt> productList = new List<ProductExt>();

                   
                    if (content.DealSkuMappingDetail != null && content.DealSkuMappingDetail.Count > 0)
                    {
                        var skus = content.DealSkuMappingDetail.VendorSkus;
                        string specIds = "'"+ string.Join("','", skus.ToArray()) + "'";
                       
                        string sql = string.Format(SqlConstant.ProductExtBySpecIds, specIds);
                        using (var db = Global.Instance.OpenDataBase)
                        {
                            productList = db.Fetch<ProductExt>(sql);
                        }

                        if(productList.Count > 0)
                        {
                            BindDataSource(productList,allowChecked);
                        }                 
                    }
                    
                    //代金券，没有携带商品，需要先点单再核销
                    this.ButtonOK.Tag = new Tuple<string, CouponStatusQueryResponse, List<ProductExt>>(couponCode, content, productList);
                }
                else
                {
                   this.ButtonOK.Enabled = false;
                   this.ShowToastNotify(this, result.Item2);
                }
            }
            catch (Exception ex)
            {
                LOGGER.Error(ex, "查询券码["+couponCode+"]发生异常");
            }
        }

       

        private void BindDataSource(List<ProductExt> dataSource, bool allowChecked = false, PriceTypeEnum priceType = PriceTypeEnum.外送价)
        {
            try
            {
                if (dataSource == null)
                {
                    dataSource = new List<ProductExt>();
                }


                ItemContainer mainContainer = new ItemContainer();
                mainContainer.Name = "productContainer";
                mainContainer.MultiLine = true;
                mainContainer.ItemSpacing = 5;
                mainContainer.LayoutOrientation = eOrientation.Horizontal;

                for (int i = 0; i < dataSource.Count; i++)
                {
                    ProductExt entity = dataSource[i];

                    MetroTileItem item = new MetroTileItem();
                    item.TileStyle.PaddingLeft = item.TileStyle.PaddingRight = 0;
                    item.EnableMarkup = true;
                    //item.OptionGroup = "product";
                    item.TileStyle.BorderWidth = 0;
                    item.TileStyle.BackColor = ColorTranslator.FromHtml("#E7EAF1");// Color.White;
                    item.TileStyle.BackColor2 = ColorTranslator.FromHtml("#E7EAF1");//Color.White;
                    item.TileStyle.BorderColor = ColorTranslator.FromHtml("#E7EAF1");//Color.White;
                    item.TileStyle.BorderColor2 = ColorTranslator.FromHtml("#E7EAF1");//Color.White;

                    item.TitleTextAlignment = ContentAlignment.MiddleCenter;
                    item.Checked = false;

                    item.CheckBehavior = eMetroTileCheckBehavior.LeftMouseButtonClick;

                    item.TileSize = new Size(116, 76);

                    //显示编码后，调整呈现位置
                    item.TileStyle.TextAlignment = DevComponents.DotNetBar.eStyleTextAlignment.Center;
                    item.TileStyle.TextLineAlignment = DevComponents.DotNetBar.eStyleTextAlignment.Center;

                    //品名
                    item.TileStyle.TextColor = ColorTranslator.FromHtml("#444444");
                    //绑定商品名称到Text属性
                    string specName = string.IsNullOrEmpty(entity.SpecName) ? "" : Global.Instance.Additional.Item1 + entity.SpecName + Global.Instance.Additional.Item2;
                    //附加规格到名称中
                    string displayName = entity.Name + specName;

                    item.Text = displayName;

                    //美团线上价格可能和门店价格不一致，采用第三方价确保一致
                    entity.Price = entity.OtherPrice > 0 ? entity.OtherPrice : entity.Price;

                    //绑定商品Tag属性
                    item.Tag = ObjectUtils.Copy(entity);
                    
                    item.CheckedChanged -= OnProductCheckedChanged;
                    item.CheckedChanged += OnProductCheckedChanged;                    

                    mainContainer.SubItems.Add(item);
                }

                this.itemPanel.Items.Insert(0, mainContainer);

                this.itemPanel.Invalidate();

            }
            catch (Exception ex)
            {
                LOGGER.Error(ex, "构建美团商品内容异常");
            }
        }

        private void OnProductCheckedChanged(object sender, EventArgs e)
        {
            MetroTileItem item = (MetroTileItem)sender;
            var product = item.Tag as ProductExt;

            if (item.Checked)
            {
                this._selectProduct.Add(product);
            }
            else
            {
                this._selectProduct.RemoveAll(x => product.SpecId.Equals(x.SpecId));
            }
           
        }
        private string getDealTypeName(int dealType)
        {
            string result = string.Empty;
            switch (dealType)
            {
                case 1:
                    result = "代金券";
                    break;
                case 2:
                    result = "套餐券";
                    break;
                case 3:
                    result = "霸王餐";
                    break;
            }
            return result;
        }


        private void OnQueryClick(object sender, EventArgs e)
        {
            var button = sender as ButtonX;

            try
            {
                button.Enabled = false;

                DoQueryCouponByCode(this.txtCouponCode.Text.Trim());
            }
            finally
            {
                button.Enabled = true;
            }
           
        }

        private void OnCouponCodeEnterClick(object sender, EnterEventArg e)
        {
            DoQueryCouponByCode(this.txtCouponCode.Text.Trim());
        }
    }
}