using ComponentLibrary1.pdf_image;
using LibraryContracts.StorageContracts;
using LibraryDataModels.Dtos;
using LibraryDataModels.Views;
using System.Windows.Forms;
using YunusovComponentsLibrary;
using YunusovComponentsLibrary.OfficePackage.HelperModels;
using LibraryUtils.FileChooser;
using static LibraryUtils.FileChooser.FileChooser;
using static LibraryUtils.ImageConverter.ImageConverter;

namespace LibraryWinFormsApp
{
	public partial class FormBooks : Form
	{
		private IBookStorage _bookStorage;
		private IAuthorStorage _authorStorage;
		private List<BookView> _books = new List<BookView>();
		public FormBooks(IBookStorage bookStorage, IAuthorStorage authorStorage)
		{
			InitializeComponent();
			_bookStorage = bookStorage;
			_authorStorage = authorStorage;
		}

		#region event-handler-methods
		private void FormBooks_Load(object sender, EventArgs e)
		{
			try
			{
				LoadData();
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
		}

		private void changeAuthorsToolStripMenuItem_Click(object sender, EventArgs e)
		{
			var service = Program.ServiceProvider?.GetService(typeof(FormAuthors));
			if (service is FormAuthors form)
			{
				form.ShowDialog();
			}
		}

		private void createBookToolStripMenuItem_Click(object sender, EventArgs e)
		{
			try
			{
				CreateBook();
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
		}

		private void updateBookToolStripMenuItem_Click(object sender, EventArgs e)
		{
			try
			{
				UpdateBook();
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
		}

		private void deleteBookToolStripMenuItem_Click(object sender, EventArgs e)
		{
			try
			{
				DeleteBook();
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
		}

		private void createPdfToolStripMenuItem_Click(object sender, EventArgs e)
		{
			try
			{
				CreatePdf();
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
		}

		private void createExcellToolStripMenuItem_Click(object sender, EventArgs e)
		{
			try
			{
				CreateExcell();
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
		}

		private void createWordToolStripMenuItem_Click(object sender, EventArgs e)
		{
			try
			{
				CreateWord();
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
		}

		private void booksTable_KeyDown(object sender, KeyEventArgs e)
		{
			try
			{
				if (!e.Control) { return; }
				switch (e.KeyCode)
				{
					case Keys.A:
						CreateBook();
						break;
					case Keys.U:
						UpdateBook();
						break;
					case Keys.D:
						DeleteBook();
						break;
					case Keys.S:
						CreatePdf();
						break;
					case Keys.T:
						CreateExcell();
						break;
					case Keys.C:
						CreateWord();
						break;
				}
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
		}
		#endregion

		private void LoadData()
		{
			_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);
			}
		}

		private void CreateBook()
		{
			var service = Program.ServiceProvider?.GetService(typeof(FormBook));
			if (service is FormBook form)
			{
				form.ShowDialog();
				LoadData();
			}
		}

		private void UpdateBook()
		{
			int selectedRow = bookTable.SelectedRow;
			if (selectedRow == -1)
			{
				throw new Exception("Выберите книгу для редактирования данных");
			}
			else
			{
				int id = Convert.ToInt32(bookTable.Rows[selectedRow].Cells[0].Value);
				var service = Program.ServiceProvider?.GetService(typeof(FormBook));
				if (service is FormBook form)
				{
					form._id = id;
					form.ShowDialog();
					LoadData();
				}
			}
		}

		private void DeleteBook()
		{
			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
				});
				LoadData();
			}
		}

		private void CreatePdf()
		{
			string fileName = GetFileFullName(DocType.Pdf);
			if (string.IsNullOrWhiteSpace(fileName))
			{
				return;
			}
			_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);
		}

		private void CreateExcell()
		{
			string fileName = GetFileFullName(DocType.Excel);
			if (string.IsNullOrWhiteSpace(fileName))
			{
				return;
			}
			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",
				},
			};
			_books = _bookStorage.GetFullList();
			configurableTable.CreateTable(
				fileName,
				"Книги",
				headers,
				_books);
			MessageBox.Show("Excell успешно создан!", "Успех", MessageBoxButtons.OK, MessageBoxIcon.Information);
		}

		private void CreateWord()
		{
			string fileName = GetFileFullName(DocType.Word);
			if (string.IsNullOrWhiteSpace(fileName))
			{
				return;
			}
			_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);
		}
	}
}