using RodionovLibrary.NonVisualComponents.HelperEnums;
using RodionovLibrary.NonVisualComponents.HelperModels;
using Word = Microsoft.Office.Interop.Word;
using Excel = Microsoft.Office.Interop.Excel;
using System.ComponentModel;

namespace RodionovLibrary.NonVisualComponents
{
    public partial class WordDiagramComponent : Component
    {
        public WordDiagramComponent()
        {
            InitializeComponent();
        }

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

            InitializeComponent();
        }

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

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

            AddTitle(document, diagramInfo.DocumentTitle);

            AddChart(document, diagramInfo);

            document.SaveAs2(diagramInfo.FileName);
            wordApp.Quit();
        }

        private void AddTitle(Word.Document document, string title)
        {
            var paragraph = document.Paragraphs.Add();
            paragraph.Range.Text = title;
            paragraph.Range.Font.Size = 24;
            paragraph.Range.Font.Bold = 1;
            paragraph.Alignment = Word.WdParagraphAlignment.wdAlignParagraphCenter;
            paragraph.Range.InsertParagraphAfter();
        }

        private void AddChart(Word.Document document, WordDiagramInfo 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 categoriesX = diagramInfo.CategoriesX.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 = categoriesX; 

                SetSeriesColor(series, seriesInfo.Color);
                
                series.MarkerStyle = Excel.XlMarkerStyle.xlMarkerStyleCircle; 
                series.MarkerSize = 5; 
            }

            chart.HasLegend = true;
            chart.Legend.Position = diagramInfo.LegendLayout switch
            {
                DiagramLegendLayout.Left => Word.XlLegendPosition.xlLegendPositionLeft,
                DiagramLegendLayout.Top => Word.XlLegendPosition.xlLegendPositionTop,
                DiagramLegendLayout.Right => Word.XlLegendPosition.xlLegendPositionRight,
                DiagramLegendLayout.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(WordDiagramInfo diagramInfo)
        {
            if (string.IsNullOrEmpty(diagramInfo.FileName) || string.IsNullOrEmpty(diagramInfo.DocumentTitle) ||
                string.IsNullOrEmpty(diagramInfo.DiagramTitle) || diagramInfo.CategoriesX == null ||
                diagramInfo.CategoriesX.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.CategoriesX.Count != series.ValuesY.Count)
                {
                    throw new ArgumentException($"Количество категорий оси X и значений оси Y для серии '{series.SeriesName}' не совпадает");
                }
            }
        }
    }
}