using BookingAbstractions.Models;
using BookingAbstractions.WorkAbstractions;
using System.Windows.Forms;
using System.Windows.Forms.VisualStyles;

namespace BookingView
{
    public partial class FormBook : Form
    {
        private readonly IBookWork _bookLogic;

        private readonly IAuthorWork _authorLogic;

        private readonly IPublisherWork _publisherLogic;

        public FormBook(IBookWork bookLogic, IAuthorWork authorLogic, IPublisherWork publisherLogic)
        {
            InitializeComponent();
            _bookLogic = bookLogic;
            _authorLogic = authorLogic;
            _publisherLogic = publisherLogic;
        }

        private void FormBook_Load(object sender, EventArgs e)
        {
            LoadData();
        }

        private void LoadData()
        {
            var books = _bookLogic.GetAll();

            dataGridView.Rows.Clear();

            if (dataGridView.ColumnCount == 0)
            {
                dataGridView.Columns.Add("Id", "ID");
                dataGridView.Columns.Add("Name", "Название");
                dataGridView.Columns.Add("Genre", "Жанр");
                dataGridView.Columns.Add("Date", "Дата публикации");
                dataGridView.Columns.Add("ISBN", "ISBN");
                dataGridView.Columns.Add("Price", "Цена");
                dataGridView.Columns.Add("AuthorId", "AuthorId");
                dataGridView.Columns.Add("PublisherId", "PublisherId");
                dataGridView.Columns["AuthorId"].Visible = false;
                dataGridView.Columns["PublisherId"].Visible = false;
                dataGridView.Columns.Add("Author", "Автор");
                dataGridView.Columns.Add("Publisher", "Издательство");
            }

            dataGridView.Columns["Name"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
            dataGridView.Columns["Genre"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
            dataGridView.Columns["Date"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
            dataGridView.Columns["ISBN"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
            dataGridView.Columns["Price"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
            dataGridView.Columns["Author"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
            dataGridView.Columns["Publisher"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;

            comboBoxAuthor.DataSource = _authorLogic.GetAll();
            comboBoxAuthor.DisplayMember = "Author";
            comboBoxAuthor.ValueMember = "Name";

            comboBoxPublisher.DataSource = _publisherLogic.GetAll();
            comboBoxPublisher.DisplayMember = "Publisher";
            comboBoxPublisher.ValueMember = "Name";

            foreach (var book in books)
            {
                dataGridView.Rows.Add(book.Id, book.Name, book.Genre, book.Date, book.ISBN, book.Price, book.AuthorId, book.PublisherId, _authorLogic.Get(book.AuthorId)?.Name, _publisherLogic.Get(book.PublisherId)?.Name);
            }
        }

        private void ButtonCreate_Click(object sender, EventArgs e)
        {
            Book newBook = new()
            {
                Name = textBoxName.Text,
                Genre = textBoxGenre.Text,
                Date = dateTimePickerDate.Value,
                ISBN = Convert.ToInt32(textBoxISBN.Text),
                Price = Convert.ToInt32(textBoxPrice.Text),
                AuthorId = ((Author?)comboBoxAuthor.SelectedItem)?.Id ?? 0,
                PublisherId = ((Publisher?)comboBoxPublisher.SelectedItem)?.Id ?? 0,
            };

            _bookLogic.Create(newBook);

            LoadData();
        }

        private void ButtonUpdate_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count > 0)
            {
                DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
                int bookId = Convert.ToInt32(selectedRow.Cells["Id"].Value);

                Book updatedBook = new()
                {
                    Id = bookId,
                    Name = textBoxName.Text,
                    Genre = textBoxGenre.Text,
                    Date = dateTimePickerDate.Value,
                    ISBN = Convert.ToInt32(textBoxISBN.Text),
                    Price = Convert.ToInt32(textBoxPrice.Text),
                    AuthorId = ((Author?)comboBoxAuthor.SelectedItem)?.Id ?? 0,
                    PublisherId = ((Publisher?)comboBoxPublisher.SelectedItem)?.Id ?? 0,
                };

                _bookLogic.Update(updatedBook);

                LoadData();
            }
            else
            {
                MessageBox.Show("Пожалуйста, выберите отзыв, которое необходимо обновить");
            }
        }

        private void ButtonDelete_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count > 0)
            {
                DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
                int bookId = Convert.ToInt32(selectedRow.Cells["Id"].Value);

                _bookLogic.Delete(bookId);

                LoadData();
            }
            else
            {
                MessageBox.Show("Пожалуйста, выберите отзыв, которое необходимо удалить");
            }
        }

        private void DataGridView_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            if (e.RowIndex >= 0)
            {
                DataGridViewRow row = dataGridView.Rows[e.RowIndex];
                textBoxName.Text = row.Cells["Name"].Value.ToString();
                textBoxGenre.Text = row.Cells["Genre"].Value.ToString();
                dateTimePickerDate.Value = DateTime.Parse(row.Cells["Date"].Value.ToString());
                textBoxISBN.Text = row.Cells["ISBN"].Value.ToString();
                textBoxPrice.Text = row.Cells["Price"].Value.ToString();
                comboBoxAuthor.SelectedValue = row.Cells["Author"].Value;
                comboBoxPublisher.SelectedValue = row.Cells["Publisher"].Value;
            }
        }
    }
}