using System.ComponentModel;
using Word = Microsoft.Office.Interop.Word;
using Excel = Microsoft.Office.Interop.Excel;
using WinFormsLibrary.NonVisualComponents.Helpers;
using WinFormsLibrary.NonVisualComponents.Enums;

namespace WinFormsLibrary.NonVisualComponents
{
	public partial class WordDiagram : Component
	{
		public WordDiagram()
		{
			InitializeComponent();
		}

		public WordDiagram(IContainer container)
		{
			container.Add(this);

			InitializeComponent();
		}

		public void CreateDiagramDocument(GraphicWordInfo diagramInfo)
		{
			ValidateDiagramInfo(diagramInfo);

			var wordApp = new Word.Application();
			var document = wordApp.Documents.Add();

			var paragraph = document.Paragraphs.Add();
			paragraph.Range.Text = diagramInfo.DocumentTitle;
			paragraph.Range.Font.Size = 24;
			paragraph.Range.Font.Bold = 1;
			paragraph.Alignment = Word.WdParagraphAlignment.wdAlignParagraphCenter;
			paragraph.Range.InsertParagraphAfter();
			
			AddChart(document, diagramInfo);

			document.SaveAs2(diagramInfo.Path);
			wordApp.Quit();
		}
		private void AddChart(Word.Document document, GraphicWordInfo diagramInfo)
		{
			var paragraph = document.Paragraphs.Add();
			var chartShape = document.InlineShapes.AddChart2(-1, (Microsoft.Office.Core.XlChartType)Excel.XlChartType.xlLine, paragraph.Range);
			var chart = chartShape.Chart;

			chart.HasTitle = true;
			chart.ChartTitle.Text = diagramInfo.DiagramTitle;

			var chartSeriesCollection = chart.SeriesCollection();
			for (int i = chartSeriesCollection.Count; i >= 1; i--)
			{
				chartSeriesCollection.Item(i).Delete();
			}

			var seriesX = diagramInfo.SeriesX.ToArray();

			for (int i = 0; i < diagramInfo.SeriesParameters.Count; i++)
			{
				var seriesInfo = diagramInfo.SeriesParameters[i];
				var series = chartSeriesCollection.NewSeries();

				series.Name = seriesInfo.SeriesName;
				series.Values = seriesInfo.ValuesY.ToArray();
				series.XValues = seriesX;

				SetSeriesColor(series, seriesInfo.Color);

				series.MarkerStyle = Excel.XlMarkerStyle.xlMarkerStyleCircle;
				series.MarkerSize = 5;
			}

			chart.HasLegend = true;
			chart.Legend.Position = diagramInfo.LegendLayout switch
			{
				LegendLayoutEnum.Left => Word.XlLegendPosition.xlLegendPositionLeft,
				LegendLayoutEnum.Top => Word.XlLegendPosition.xlLegendPositionTop,
				LegendLayoutEnum.Right => Word.XlLegendPosition.xlLegendPositionRight,
				LegendLayoutEnum.Bottom => Word.XlLegendPosition.xlLegendPositionBottom,
				_ => Word.XlLegendPosition.xlLegendPositionBottom,
			};

			chart.ChartData.Workbook.Application.Quit();
		}

		private void SetSeriesColor(dynamic series, Color color)
		{
			series.Format.Line.ForeColor.RGB = ColorTranslator.ToOle(color);
			series.Format.Fill.ForeColor.RGB = ColorTranslator.ToOle(color);
		}

		private void ValidateDiagramInfo(GraphicWordInfo diagramInfo)
		{
			if (string.IsNullOrEmpty(diagramInfo.Path) || string.IsNullOrEmpty(diagramInfo.DocumentTitle) ||
				string.IsNullOrEmpty(diagramInfo.DiagramTitle) || diagramInfo.SeriesX == null ||
				diagramInfo.SeriesX.Count == 0 || diagramInfo.SeriesParameters == null ||
				diagramInfo.SeriesParameters.Count == 0)
			{
				throw new ArgumentException("Не все данные для диаграммы заполнены");
			}

			foreach (var series in diagramInfo.SeriesParameters)
			{
				if (string.IsNullOrEmpty(series.SeriesName))
				{
					throw new ArgumentException("Название серии не может быть пустым");
				}

				if (series.ValuesY == null || series.ValuesY.Count == 0)
				{
					throw new ArgumentException($"Список значений оси Y для серии '{series.SeriesName}' не заполнен");
				}

				if (diagramInfo.SeriesX.Count != series.ValuesY.Count)
				{
					throw new ArgumentException($"Количество данных оси X и значений оси Y для серии '{series.SeriesName}' не совпадает");
				}
			}
		}

	}
}