using Sunny.UI;
using System;
using System.Collections.Generic;
using System.Data;
using System.Drawing;
using System.Windows.Forms;

namespace WWPipeLine.MapBasic.Results
{

	public class RWWithChart : ResultWindow
	{
		/// <summary>
		/// DataGridView控件
		/// </summary>
		protected UIDataGridView m_DataGridView;
		/// <summary>
		/// UIChart控件
		/// </summary>
		protected UIChart m_UIChart;
		/// <summary>
		/// UIChart的Option属性
		/// </summary>
		protected UIOption m_UIOption;
		/// <summary>
		/// Chart类型，默认为Bar
		/// </summary>
		protected UIChartType m_ChartType = UIChartType.Bar;
		/// <summary>
		/// 默认的Chart标题
		/// </summary>
		protected string m_ChartTitle = "统计结果";
		/// <summary>
		/// 是否显示表格DataGridView，默认显示
		/// </summary>
		protected bool ShowDataGridView = true;
		/// <summary>
		/// 设置Chart图的标题
		/// </summary>
		protected virtual string ChartTitle { get => m_ChartTitle; set => m_ChartTitle = value; }
		/// <summary>
		/// 图表类型
		/// </summary>
		public enum UIChartType
		{
			/// <summary>
			/// 柱状图
			/// </summary>
			Bar,
			/// <summary>
			/// 折线图
			/// </summary>
			Line,
			/// <summary>
			/// 饼图
			/// </summary>
			Pie,
			/// <summary>
			/// 扩展后的柱状图
			/// </summary>
			BarEx,
			/// <summary>
			/// 跑道图
			/// </summary>
			Doughnut
		}

		/// <summary>
		/// 设置图表内容。包括数值、颜色等
		/// </summary>
		/// <param name="dt"></param>
		protected virtual void AddOptionSeries(DataTable dt)
		{
		}
		/// <summary>
		/// 设置X轴的列名
		/// </summary>
		/// <param name="dt"></param>
		protected virtual void AddXAxis(DataTable dt)
		{

		}
		/// <summary>
		/// 设置图例的内容
		/// </summary>
		/// <param name="dt"></param>
		protected virtual void SetLegendItem(DataTable dt)
		{
		}

		/// <summary>
		/// 设置Chart的Option的扩展信息
		/// </summary>
		protected virtual void SetOptionEx()
		{
		}
		/// <summary>
		/// 根据传入的数据显示Chart图和表格
		/// </summary>
		/// <param name="data"></param>
		public override void ShowData(object data)
		{
			if (!(data is DataTable))
			{
				Sunny.UI.UIMessageTip.ShowWarning("数据错误，未能显示图表"); return;
			}
			var dt = data as DataTable;
			if (ShowDataGridView)
			{
				this.CreateDataGridView(dt);
			}
			AddChart(); //将Chart控件添加到界面
			m_UIOption.Title = new UITitle { Text = ChartTitle };
			AddOptionSeries(dt);//设置图表内容，包括数值、颜色等
			AddXAxis(dt);//设置X轴的列名
			SetLegend();//设置图例的位置
			SetLegendItem(dt);//设置图例的内容
			SetOptionEx();//设置Chart的Option的扩展信息
			this.m_UIChart.SetOption(m_UIOption);
		}

		/// <summary>
		/// 创建DataGridView控件并绑定数据源到DataTable
		/// </summary>
		/// <param name="dt"></param>
		protected virtual void CreateDataGridView(DataTable dt)
		{
			if (m_DataGridView == null)
			{
				m_DataGridView = new Sunny.UI.UIDataGridView
				{
					Dock = DockStyle.Fill,
					AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill,
					SelectionMode = DataGridViewSelectionMode.FullRowSelect,
					DefaultCellStyle = new DataGridViewCellStyle() { ForeColor = Color.Black, Alignment = DataGridViewContentAlignment.MiddleCenter },
					ShowEditingIcon = false,
					ShowCellToolTips = false,
					AllowUserToAddRows = false,
					AllowUserToResizeRows = false,
					AllowUserToDeleteRows = false,
					AllowUserToOrderColumns = false,
					ReadOnly = true,
					MultiSelect = false,
					BorderStyle = BorderStyle.None,
					CellBorderStyle = DataGridViewCellBorderStyle.None,

					RowHeadersVisible = false
				};
				this.Controls.Add(m_DataGridView);
			}
			m_DataGridView.DataSource = dt;
			if (System.Text.RegularExpressions.Regex.IsMatch(dt.TableName?.ToString(), @"[\u4e00-\u9fa5]"))
				this.m_DataGridView.Tag = dt.TableName?.ToString();
			for (int i = 0; i < m_DataGridView.Columns.Count; i++)
			{
				m_DataGridView.Columns[i].SortMode = DataGridViewColumnSortMode.NotSortable;
				m_DataGridView.Columns[i].HeaderText = dt.Columns[i].Caption;
			}
		}
		/// <summary>
		/// 将Chart控件添加到界面
		/// </summary>
		protected virtual void AddChart()
		{
			m_UIChart.RadiusSides = UICornerRadiusSides.None;
			m_UIChart.RectSides = ToolStripStatusLabelBorderSides.None;
			this.Controls.Add(this.m_UIChart);
			if (this.ShowDataGridView)
				m_UIChart.Dock = DockStyle.Top;
			else
				m_UIChart.Dock = DockStyle.Fill;
		}
		private void UiSymbolButtonExportToImage_Click(object sender, EventArgs e)
		{
			ExportToImage(this.m_UIChart);
		}
		private void UiSymbolButtonExportToExcel_Click(object sender, EventArgs e)
		{
			ExportToExcel(this.m_DataGridView);
		}
		/// <summary>
		/// 根据实际需要展示的图类型Pie/Bar/Line/BarEx/Doughnut五种创建Chart控件
		/// </summary>
		protected virtual void CreateChart()
		{
		}

		/// <summary>
		/// 设置X轴显示的文字
		/// </summary>
		/// <returns></returns>
		protected virtual string SetXAxisName()
		{
			return "系列";
		}
		/// <summary>
		/// 设置Y轴显示的文字
		/// </summary>
		/// <returns></returns>
		protected virtual string SetYAxisName()
		{
			return "值";
		}
		/// <summary>
		/// 设置图例的位置，默认右下角
		/// </summary>
		protected virtual void SetLegend()
		{
			m_UIOption.Legend = new UILegend
			{
				Orient = UIOrient.Horizontal,
				Top = UITopAlignment.Bottom,
				Left = UILeftAlignment.Right
			};
		}

		/// <summary>
		/// 大小改变时修改Chart的大小为总高度的2/3
		/// </summary>
		/// <param name="e"></param>
		protected override void OnSizeChanged(EventArgs e)
		{
			base.OnSizeChanged(e);
			if (m_UIChart == null) return;
			this.m_UIChart.Height = 2 * this.Height / 3;
		}
		/// <summary>
		/// 配置当前窗体，并继承自查询结果ResultWindow窗体
		/// </summary>
		public RWWithChart() : base()
		{
			CreateExportImageAndExcelButton();
			base.uiSymbolButtonExportToExcel.Click += UiSymbolButtonExportToExcel_Click;
			base.uiSymbolButtonExportToImage.Click += UiSymbolButtonExportToImage_Click;
			CreateChart();
			InitializeComponent();
			SetColors();
		}
		private void InitializeComponent()
		{
			this.SuspendLayout();
			// 
			// uiChart
			// 
			this.m_UIChart.Dock = System.Windows.Forms.DockStyle.Fill;
			this.m_UIChart.FillColor = System.Drawing.Color.FromArgb(((int)(((byte)(244)))), ((int)(((byte)(244)))), ((int)(((byte)(244)))));
			this.m_UIChart.Font = new System.Drawing.Font("微软雅黑", 12F);
			this.m_UIChart.ForeColor = System.Drawing.Color.FromArgb(((int)(((byte)(54)))), ((int)(((byte)(54)))), ((int)(((byte)(54)))));
			this.m_UIChart.Location = new System.Drawing.Point(0, 0);
			this.m_UIChart.MinimumSize = new System.Drawing.Size(1, 1);
			this.m_UIChart.Name = "uiChart";
			this.m_UIChart.Size = new System.Drawing.Size(800, 450);
			this.m_UIChart.TabIndex = 0;
			this.m_UIChart.Text = "uiChart";
			// 
			// ResultWindowWithChart
			// 
			this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
			this.ClientSize = new System.Drawing.Size(800, 450);
			this.Name = "ResultWindowWithChart";
			this.ResumeLayout(false);

		}

		protected static List<Color> m_Colors = new List<Color>();
		/// <summary>
		/// 设置颜色
		/// </summary>
		/// <param name="count"></param>
		private static void SetColors(int count = 100)
		{
			if (m_Colors.Count > 0)
				return;
			long tick = DateTime.Now.Ticks;
			Random ran = new Random((int)(tick & 0xffffffffL) | (int)(tick >> 32));
			Random ran2 = new Random((int)(tick & 0xffffffffL) | (int)(tick >> 32));
			for (int i = 0; i < count; i++)
			{
				int R = ran.Next(255);
				int G = ran2.Next(255);
				int B = 222;
				B = (R + G > 400) ? R + G - 400 : B;//0 : 380 - R - G;
				B = (B > 255) ? 255 : B;
				m_Colors.Add(System.Drawing.Color.FromArgb(R, G, B));
			}
		}
	}
}