using COP;
using COP.Info;
using COPWinForms;
using PluginsConventionLibrary.Forms;
using PluginsConventionLibrary.Plugins;
using System.ComponentModel.Composition;
using UniversityBusinessLogic.BusinessLogics;
using UniversityContracts.BindingModels;
using UniversityContracts.BusinessLogicsContracts;
using WinFormsControlLibrary;
using static COP.ExcelComponent;
using static COPWinForms.ComponentWord2;
using LegendPosition = WinFormsControlLibrary.LegendPosition;

namespace PluginsConventionLibrary
{
    [Export(typeof(IPluginsConvention))]
    public class MainPluginConvention : IPluginsConvention
    {

        private TableOfValues tableOfValues;
        private readonly IStudentLogic _studentLogic;
        private readonly IDirectionLogic _directionLogic;

        public MainPluginConvention()
        {
            _studentLogic = new StudentLogic();
            _directionLogic = new DirectionLogic();

            tableOfValues = new TableOfValues();
            var menu = new ContextMenuStrip();
            var directionMenuItem = new ToolStripMenuItem("Формы");
            menu.Items.Add(directionMenuItem);
            directionMenuItem.Click += (sender, e) =>
            {
                var formDirection = new FormDirection(_directionLogic);
                formDirection.ShowDialog();
            };
            tableOfValues.ContextMenuStrip = menu;
            ReloadData();
        }

        /// Название плагина
        string IPluginsConvention.PluginName => PluginName();
        public string PluginName()
        {
            return "Студенты";
        }

        public UserControl GetControl => tableOfValues;

        PluginsConventionElement IPluginsConvention.GetElement => GetElement();

        public PluginsConventionElement GetElement()
        {
            var student = tableOfValues.GetSelectedObject<MainPluginConventionElement>(); ;
            MainPluginConventionElement element = null;
            if (tableOfValues != null)
            {
                element = new MainPluginConventionElement
                {
                    Id = student.Id,
                    FIO = student.FIO,
                    PhotoFilePath = student.PhotoFilePath,
                    Email = student.Email,
                    DirectionName = student.DirectionName,
                };
            }
            return (new PluginsConventionElement { Id = element.Id });
        }

        public Form GetForm(PluginsConventionElement element)
        {
            var formOrder = new FormStudent(_studentLogic, _directionLogic);
            if (element != null)
            {
                formOrder.Id = element.Id;
            }
            return formOrder;
        }

        public bool DeleteElement(PluginsConventionElement element)
        {
            try
            {
                _studentLogic.Delete(new StudentBindingModel { Id = element.Id });
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return false;
            }
            return true;
        }

        public void ReloadData()
        {
            var columnConfigs = new List<GridColumnConfig>
            {
                new GridColumnConfig { HeaderText = "Id", Width = 100, Visible = false, PropertyName = "Id" },
                new GridColumnConfig { HeaderText = "ФИО", Width = 100, Visible = true, PropertyName = "FIO" },
                new GridColumnConfig { HeaderText = "Направление", Width = 80, Visible = true, PropertyName = "DirectionName" },
                new GridColumnConfig { HeaderText = "Электронная почта", Width = 80, Visible = true, PropertyName = "Email" },
            };

            tableOfValues.ConfigureColumns(columnConfigs);
        }

        private byte[] StringToImage(string bytes)
        {
            byte[] arrayimg = Convert.FromBase64String(bytes);
            return arrayimg;
        }

        public bool CreateSimpleDocument(PluginsConventionSaveDocument saveDocument)
        {
            ExcelComponent excelComponent = new();
            var list = _studentLogic.Read(null);
            List<ImageInfo> images = new();
            using var dialog = new SaveFileDialog
            {
                Filter = "xlsx|*.xlsx"
            };
            if (dialog.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    if (list != null)
                    {
                        foreach (var item in list)
                        {
                            images.Add(new ImageInfo() { FilePath = item.PhotoFilePath });
                        }
                    }
                    ExcelImageInfo info = new(dialog.FileName, "Документ с фотографиями студентов", images);
                    excelComponent.GenerateExcelWithImages(info);
                    MessageBox.Show("Сохарнено успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка",
                    MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
            return true;
        }

        public bool CreateTableDocument(PluginsConventionSaveDocument saveDocument)
        {
            ComponentWord2 componentWord = new();
            var list = _studentLogic.Read(null);
            List<StudentBindingModel> data = new();
            List<int[]> mergedColumns = new()
            {
                new int[] { 1, 2 }
            };

            List<ColumnDefinition> columnDefinitions = new()
            {
                new ColumnDefinition { Header = "ID", PropertyName = "Id", Width = 11 },
                new ColumnDefinition { Header = "Личные данные", PropertyName = "PersonalData", Width = 11 },
                new ColumnDefinition { Header = "Личные данные", PropertyName = "PersonalData1", Width = 11 },
                new ColumnDefinition { Header = "Направление", PropertyName = "DirectionName", Width = 21 }
            };

            List<ColumnDefinition> columnDefinitions2 = new()
            {
                new ColumnDefinition { Header = "ID", PropertyName = "Id", Width = 11 },
                new ColumnDefinition { Header = "ФИО", PropertyName = "FIO", Width = 11 },
                new ColumnDefinition { Header = "Электронная почта", PropertyName = "Email", Width = 70 },
                new ColumnDefinition { Header = "Направление", PropertyName = "DirectionName", Width = 21 }
            };

            using var dialog = new SaveFileDialog
            {
                Filter = "docx|*.docx"
            };

            if (dialog.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    if (list != null)
                    {
                        foreach (var item in list)
                        {
                            data.Add(new StudentBindingModel() { Id = item.Id, FIO = item.FIO, Email = item.Email, DirectionName = item.DirectionName });
                        }
                    }
                    TableWord<StudentBindingModel> tableWord = new(dialog.FileName, "Таблица со студентами", columnDefinitions, columnDefinitions2, data, mergedColumns);
                    componentWord.CreateTable(tableWord);
                    MessageBox.Show("Сохарнено успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка",
                    MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
            return true;
        }

        public bool CreateChartDocument(PluginsConventionSaveDocument saveDocument)
        {
            GistogramPdfComponent3 gistogramPdfComponent = new();
            var listStudents = _studentLogic.Read(null);
            var listDirections = _directionLogic.Read(null);
            List<(string, int)> data = new();
            List<HistogramData> gistData = new();
            using var dialog = new SaveFileDialog
            {
                Filter = "pdf|*.pdf"
            };
            if (dialog.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    for (int i = 0; i < listDirections.Count; i++)
                    {
                        int count = 0;
                        for (int j = 0; j < listStudents.Count; j++)
                        {
                            string[] dirs = listStudents[j].DirectionName.Split(";");
                            foreach (var dir in dirs)
                            {
                                if (dir == listDirections[i].Name) count++;
                            }
                        }
                        data.Add((listDirections[i].Name, count));
                    }
                    if (data != null)
                    {
                        foreach (var item in data)
                        {
                            gistData.Add(new HistogramData
                            {
                                SeriesName = item.Item1,
                                Data = new double[] { item.Item2 }
                            });
                        }
                    }
                    gistogramPdfComponent.GenerateHistogramDocument(dialog.FileName, "Histogram", "Students-Directions", LegendPosition.TopRight, gistData);
                    MessageBox.Show("Сохарнено успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка",
                    MessageBoxButtons.OK, MessageBoxIcon.Error);
                }                
            }
            return true;
        }
    }
}