using Yw.Ahart;

namespace Yw.WinFrmUI.Phart
{
    public partial class UniversalChartExcelEditCtrl : DevExpress.XtraEditors.XtraUserControl
    {
        public UniversalChartExcelEditCtrl()
        {
            InitializeComponent();
            this.gridView1.SetDefaultEditView();
            this.gridView1.BorderStyle = DevExpress.XtraEditors.Controls.BorderStyles.NoBorder;

            this.repImgCmbFeatType.Items.Add("二次拟合", Yw.Ahart.eFeatType.Quadratic, -1);
            this.repImgCmbFeatType.Items.Add("三次拟合", Yw.Ahart.eFeatType.Cubic, -1);
            this.repImgCmbFeatType.Items.Add("四次拟合", Yw.Ahart.eFeatType.Quartic, -1);

            this.repImgCmbEditModel.Items.Add("鼠标", 0, -1);
            this.repImgCmbEditModel.Items.Add("键盘", 1, -1);

            this.universalEditChart1.DefinePointChangedEvent += UniversalEditChart1_DefinePointChangedEvent;
            this.universalEditChart1.SelectedPointIndexChangedEvent += (index) =>
            {
                this.gridView1.FocusedRowHandle = index;
            };
        }



        private Yw.Ahart.eFeatType _feat_type;
        private List<Yw.Geometry.Point2d> _def_pt_list = null;

        /// <summary>
        /// 绑定数据
        /// </summary> 
        public void SetBindingData(Yw.Ahart.eCurveType curve_type, List<Yw.Geometry.Point2d> def_pt_list, Yw.Ahart.eFeatType feat_type = Yw.Ahart.eFeatType.Cubic)
        {
            _def_pt_list = def_pt_list?.Select(t =>
            {
                var x = Math.Round(t.X, 2);
                var y = Math.Round(t.Y, 2);
                return new Yw.Geometry.Point2d(x, y);
            }).ToList();

            _feat_type = feat_type;
            _def_pt_list ??= new List<Geometry.Point2d>();
            SetChart(_feat_type, _def_pt_list);

            var (axis_x_title, axis_y_title) = PhartAxisTitleHelper.Get(curve_type);
            this.colX.Caption = axis_x_title;
            this.colY.Caption = axis_y_title;

             this.universalEditChart1.AxisXTitle = axis_x_title;
             this.universalEditChart1.AxisYTitle = axis_y_title;

            this.barEditModel.EditValue = 0;
            this.barFeatType.EditValue = _feat_type;
            this.bindingSource1.DataSource = _def_pt_list;
            this.bindingSource1.ResetBindings(false);
        }


        private void UniversalEditChart1_DefinePointChangedEvent(List<Geometry.Point2d> pt_list)
        {
            _def_pt_list.Clear();
            if (pt_list != null && pt_list.Any())
                _def_pt_list.AddRange(pt_list);
            this.bindingSource1.ResetBindings(false);
            SetChart(_feat_type, _def_pt_list);
        }

        //设置图表
        private void SetChart(Yw.Ahart.eFeatType feat_type, List<Yw.Geometry.Point2d> def_pt_list)
        {
            if (def_pt_list == null || def_pt_list.Count < 4)
            {
               this.universalEditChart1.Clear();
                return;
            }
            var fit_pt_list = def_pt_list.GetPointList(feat_type);
            this.universalEditChart1.SetBindingData(def_pt_list, fit_pt_list);
        }


        //值变换
        private void gridView1_CellValueChanged(object sender, DevExpress.XtraGrid.Views.Base.CellValueChangedEventArgs e)
        {
            SetChart(_feat_type, _def_pt_list);
        }

        //拟合类型
        private void barFeatType_EditValueChanged(object sender, EventArgs e)
        {
            _feat_type = (Yw.Ahart.eFeatType)this.barFeatType.EditValue;
            SetChart(_feat_type, _def_pt_list);
        }

        //鼠标模式
        private void barEditModel_EditValueChanged(object sender, EventArgs e)
        {
            var index = (int)this.barEditModel.EditValue;
           this.universalEditChart1.MouseModel = index == 0;
        }

        //添加点
        private void barAdd_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            double x = 0;
            double y = 1;
            if (_def_pt_list.Count > 0)
            {
                x = _def_pt_list.Last().X;
                y = _def_pt_list.Last().Y;
            }

            _def_pt_list.Add(new Geometry.Point2d(x, y));
            this.bindingSource1.ResetBindings(false);
            this.gridView1.FocusedRowHandle = _def_pt_list.Count - 1;
            SetChart(_feat_type, _def_pt_list);
        }


        //删除点
        private void btnDelete_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            if (_def_pt_list == null || !_def_pt_list.Any())
                return; 
            var row = this.gridView1.GetCurrentViewModel(_def_pt_list);
            if (row == null)
                return; 
            var count = _def_pt_list.Count - 1;
            switch (_feat_type)
            {
                case Ahart.eFeatType.Cubic:
                    {
                        if (count < 4)
                        {
                            TipFormHelper.ShowInfo("点数少于4个点");
                            return;
                        }
                    }
                    break;
                case Ahart.eFeatType.Through:
                    {
                        if (count < 1)
                        {
                            TipFormHelper.ShowInfo("点数少于1个点");
                            return;
                        }
                    }
                    break;
                case Ahart.eFeatType.Quadratic:
                    {
                        if (count < 3)
                        {
                            TipFormHelper.ShowInfo("点数少于3个点");
                            return;
                        }
                    }
                    break;
                case Ahart.eFeatType.Quartic:
                    {
                        if (count < 5)
                        {
                            TipFormHelper.ShowInfo("点数少于5个点");
                            return;
                        }
                    }
                    break;
            }

            _def_pt_list.Remove(row);
            this.bindingSource1.ResetBindings(false);
            SetChart(_feat_type, _def_pt_list);
        }

        /// <summary>
        /// 获取数据
        /// </summary> 
        public bool Get(out Yw.Ahart.eFeatType feat_type, out List<Yw.Geometry.Point2d> pt_list)
        {
            feat_type = _feat_type;
            pt_list = _def_pt_list;
            if (_def_pt_list == null || !_def_pt_list.Any())
                return false;
            return true;
        }


    }

}