using Microsoft.Office.Interop.Excel;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace AbazovViewComponents.LogicalComponents
{
    public partial class ExcelDiagramComponent : Component
    {
        public ExcelDiagramComponent()
        {
            InitializeComponent();
        }

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

            InitializeComponent();
        }

        public bool createWithDiagram<T>(string path, string title, string diagramTitle, DiagramLegendEnum diagramLegendAnchor, List<T> data, string seriesNameField, string valueField)
        {
            var excelApp = new Microsoft.Office.Interop.Excel.Application { SheetsInNewWorkbook = 1 };
            Workbook workbook = excelApp.Workbooks.Add(Type.Missing);
            try
            {
                Worksheet worksheet = (Worksheet)workbook.Worksheets.get_Item(1);

                FieldInfo? seriesName = typeof(T).GetField(seriesNameField);
                FieldInfo? value = typeof(T).GetField(valueField);
                if (seriesName == null || value == null) throw new ArgumentException("Переданного поля не существует");
                int columnCount = 2;
                foreach(var item in data)
                {
                    var cell = worksheet.get_Range("A" + columnCount, "A" + columnCount);
                    cell.Font.Size = 14;
                    cell.Font.Name = "Times New Roman";
                    cell.ColumnWidth = 8;
                    cell.RowHeight = 25;
                    cell.HorizontalAlignment = Constants.xlCenter;
                    cell.VerticalAlignment = Constants.xlCenter;
                    cell.Value2 = seriesName.GetValue(item);

                    cell = worksheet.get_Range("B" + columnCount, "B" + columnCount);
                    cell.Font.Size = 14;
                    cell.Font.Name = "Times New Roman";
                    cell.ColumnWidth = 8;
                    cell.RowHeight = 25;
                    cell.HorizontalAlignment = Constants.xlCenter;
                    cell.VerticalAlignment = Constants.xlCenter;
                    cell.Value2 = value.GetValue(item);

                    columnCount++;
                }

                //header
                var excelcells = worksheet.get_Range("A1", "A1");
                excelcells.Font.Bold = true;
                excelcells.Font.Size = 14;
                excelcells.Font.Name = "Times New Roman";
                excelcells.ColumnWidth = 8;
                excelcells.RowHeight = 25;
                excelcells.HorizontalAlignment = Constants.xlCenter;
                excelcells.VerticalAlignment = Constants.xlCenter;
                excelcells.Value2 = title;

                var charts = worksheet.ChartObjects() as ChartObjects;
                int chartWidth = 300;
                int chartHeight = 300;
                var chartObject = charts.Add(250, 10, chartWidth, chartHeight);
                var chart = chartObject.Chart;
                var range = worksheet.get_Range($"A2", $"B{columnCount - 1}");
                chart.SetSourceData(range);
                chart.ChartType = XlChartType.xlPie;
                switch (diagramLegendAnchor)
                {
                    case DiagramLegendEnum.TopLeft:
                        chart.Legend.Top = 0;
                        chart.Legend.Left = 0;
                        break;
                    case DiagramLegendEnum.TopRight:
                        chart.Legend.Top = 0;
                        chart.Legend.Left = chartWidth - chart.Legend.Width;
                        break;
                    case DiagramLegendEnum.BottomLeft:
                        chart.Legend.Top = chartHeight - chart.Legend.Height;
                        chart.Legend.Left = 0;
                        break;
                    case DiagramLegendEnum.BottomRight:
                        chart.Legend.Top = chartHeight - chart.Legend.Height;
                        chart.Legend.Left = chartWidth - chart.Legend.Width;
                        break;
                }
                chart.ChartWizard(Source: range, Title: diagramTitle);

                object missing = System.Reflection.Missing.Value;
                workbook.SaveAs(path, XlFileFormat.xlOpenXMLWorkbook, missing, missing, false, false, XlSaveAsAccessMode.xlNoChange,
                    XlSaveConflictResolution.xlUserResolution, true, missing, missing, missing);
                workbook.Close();
                excelApp.Quit();

                return true;
            }
            catch (Exception)
            {
                workbook.Close();
                excelApp.Quit();
                throw;
            }
        }
    }
}