using ComponentLibrary1.pdf_image;
using DocumentFormat.OpenXml.Drawing.Charts;
using Library_var_4_lab_1;
using LibraryContracts.StorageContracts;
using LibraryDatabase.Models;
using LibraryDatabase.Storages;
using LibraryDataModels.AbstractModels;
using LibraryDataModels.Dtos;
using LibraryDataModels.Views;
using LibraryPlugin.Helpers;
using LibraryWinFormsApp;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using YunusovComponentsLibrary;
using YunusovComponentsLibrary.OfficePackage.HelperModels;
using static LibraryUtils.ImageConverter.ImageConverter;

namespace LibraryPlugin
{
	public class PluginsConvention : IPluginsConvention
	{
		private readonly IAuthorStorage _authorStorage = new AuthorStorage();
		private readonly IBookStorage _bookStorage = new BookStorage();
		private PdfImage pdfImage = new PdfImage();
		private ConfigurableTable configurableTable = new ConfigurableTable();
		private WordDiagram wordDiagram = new WordDiagram();
		private ListOutputComponent bookTable = new ListOutputComponent();
		#region interface getters
		public string PluginName { get; } = "LibraryPlugin";
		public UserControl GetControl 
		{ 
			get
			{
				ReloadData();
				return bookTable;
			}
		}
		public PluginsConventionElement GetElement
		{
			get
			{
				var book = bookTable.GetSelectedObject<BookView>();
				int? id = null;
				if (book != null)
				{
					id = Convert.ToInt32(book.Id);
				}
				byte[] bytes = new byte[16];
				if (!id.HasValue)
				{
					id = -1;
				}
				BitConverter.GetBytes(id.Value).CopyTo(bytes, 0);
				return new()
				{
					Id = new Guid(bytes)
				};
			}
		}
		public Form GetForm(PluginsConventionElement element)
		{
			FormBook form = new FormBook(_bookStorage, _authorStorage);
			int id = element?.Id.GetHashCode() ?? -1;
			if ( id > 0)
			{
				form._id = id;
			}
			return form;
		}
		public Form GetThesaurus()
		{
			return new FormAuthors(_authorStorage);
		}
		#endregion
		#region interface methods

		public bool CreateSimpleDocument(PluginsConventionSaveDocument saveDocument)
		{
			try
			{
				string fileName = saveDocument.FileName;
				if (string.IsNullOrWhiteSpace(fileName))
				{
					return false;
				}
				var _books = _bookStorage.GetFullList();
				List<byte[]> selectedImages = new List<byte[]>();
				foreach (var book in _books)
				{
					selectedImages.Add(StringToByteArray(book.BookCover));
				}
				var info = new PdfImageInfo
				{
					FileName = fileName,
					Title = "Обложки",
					Images = selectedImages,
				};
				pdfImage.CreatePdf(info);
				MessageBox.Show("PDF успешно создан!", "Успех", MessageBoxButtons.OK, MessageBoxIcon.Information);
				return true;
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
				return false;
			}
		}
		public bool CreateTableDocument(PluginsConventionSaveDocument saveDocument)
		{
			try
			{
				string fileName = saveDocument.FileName;
				if (string.IsNullOrWhiteSpace(fileName))
				{
					return false;
				}
				List<TreeNode> headers = new List<TreeNode>
				{
					new TreeNode
					{
						Text = "Идентификатор",
						Tag = "Id",
						Name = "40",
					},
					new TreeNode("Книга", new TreeNode[]
					{
						new TreeNode
						{
							Text = "Название",
							Tag = "Name",
							Name = "40",
						},
						new TreeNode
						{
							Text = "Автор",
							Tag = "Author",
							Name = "40",
						},
					}),
					new TreeNode
					{
						Text = "Дата",
						Tag = "ReleaseDate",
						Name = "40",
					},
				};
				var _books = _bookStorage.GetFullList();
				configurableTable.CreateTable(
					fileName,
					"Книги",
					headers,
					_books);
				MessageBox.Show("Excell успешно создан!", "Успех", MessageBoxButtons.OK, MessageBoxIcon.Information);
				return true;
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
				return false;
			}
		}
		public bool CreateChartDocument(PluginsConventionSaveDocument saveDocument)
		{
			try
			{
				string fileName = saveDocument.FileName;
				if (string.IsNullOrWhiteSpace(fileName))
				{
					return false;
				}
				var _books = _bookStorage.GetFullList();
				var authors = _authorStorage.GetFullList();
				WordDiagramSeries series = new WordDiagramSeries();
				series.SeriesName = "Авторы";
				foreach (var author in authors)
				{
					double sum = 0.0;
					foreach (var book in _books)
					{
						if (string.Equals(book.Author, author.Name))
						{
							sum++;
						}
					}
					series.Data.Add(author.Name, sum);
				}
				wordDiagram.CreateDiagram(new WordDiagramInfo()
				{
					FileName = fileName,
					Title = "Авторы",
					ChartTitle = "Авторы",
					Series = series,
				});
				MessageBox.Show("Word успешно создан!", "Успех", MessageBoxButtons.OK, MessageBoxIcon.Information);
				return true;
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
				return false;
			}
		}
		public bool DeleteElement(PluginsConventionElement element)
		{
			try
			{
				int selectedRow = bookTable.SelectedRow;
				if (selectedRow == -1)
				{
					throw new Exception("Выберите книгу для удаления");
				}
				if (MessageBox.Show("Удалить запись?", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
				{
					int id = Convert.ToInt32(bookTable.Rows[selectedRow].Cells[0].Value);
					_bookStorage.Delete(new BookDto()
					{
						Id = id
					});
					ReloadData();
				}
				return true;
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
				return false;
			}
		}
		public void ReloadData()
		{
			try
			{
				List<BookView> _books = _bookStorage.GetFullList();
				List<ColumnInfo> parameters = new List<ColumnInfo>()
				{
					new ColumnInfo("", 0, false, "Id"),
					new ColumnInfo("Название", 258, true, "Name"),
					new ColumnInfo("", 0, false, "BookCover"),
					new ColumnInfo("ФИО автора", 258, true, "Author"),
					new ColumnInfo("Дата издания", 258, true, "ReleaseDate"),
				};
				bookTable.ConfigColumn(parameters);
				if (_books == null)
				{
					return;
				}
				foreach (var book in _books)
				{
					bookTable.AddItem(book);
				}
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
		}
		#endregion
	}
}