using ProjectTank.DrawningObjects;
using ProjectTank.Generics;
using ProjectTank.MovementStrategy;

namespace ProjectTank
{
    public partial class FormTankCollection : Form
    {
        private readonly TanksGenericStorage _storage;
        /// <summary>
        /// Конструктор
        /// </summary>
        public FormTankCollection()
        {
            InitializeComponent();
            _storage = new TanksGenericStorage(pictureBoxCollection.Width,
                pictureBoxCollection.Height);
        }

        private void ReloadObjects()
        {
            int index = listBoxStorages.SelectedIndex;
            listBoxStorages.Items.Clear();
            
            for (int i = 0; i < _storage.Keys.Count; i++)
            {
                listBoxStorages.Items.Add(_storage.Keys[i]);
            }
            
            if (listBoxStorages.Items.Count > 0 && (index == -1 || index
            >= listBoxStorages.Items.Count))
            {
                listBoxStorages.SelectedIndex = 0;
            }
            else if (listBoxStorages.Items.Count > 0 && index > -1 &&
            index < listBoxStorages.Items.Count)
            {
                listBoxStorages.SelectedIndex = index;
            }
        }

        private void ButtonAddObject_Click(object sender, EventArgs e)
        {
            string objName = textBoxStorageName.Text;
            if (string.IsNullOrEmpty(objName))
            {
                MessageBox.Show("Не все данные заполнены", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            _storage.AddSet(textBoxStorageName.Text);
            ReloadObjects();
        }

        private void ListBoxObjects_SelectedIndexChanged(object sender, EventArgs e)
        {
            pictureBoxCollection.Image = _storage[listBoxStorages.SelectedItem?.ToString() ?? string.Empty]?.ShowTanks();
        }
        /// <summary>
        /// Удаление набора
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonDelObject_Click(object sender, EventArgs e)
        {
            if (listBoxStorages.SelectedIndex == -1) return;

            if (MessageBox.Show($"Удалить объект {listBoxStorages.SelectedItem}?", "Удаление", MessageBoxButtons.YesNo,
        MessageBoxIcon.Question) == DialogResult.Yes)
            {
                _storage.DelSet(listBoxStorages.SelectedItem.ToString()
                ?? string.Empty);
                ReloadObjects();
            }
        }

        /// <summary>
        /// Добавление объекта в набор
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonAddTank_Click(object sender, EventArgs e)
        {
            if (listBoxStorages.SelectedIndex == -1) return;

            var obj = _storage[listBoxStorages.SelectedItem.ToString() ?? string.Empty];
            if (obj == null) return;

            FormTank form = new();
            if (form.ShowDialog() == DialogResult.OK)
            {
                if (obj + form.SelectedTank)
                {
                    MessageBox.Show("Объект добавлен");
                    pictureBoxCollection.Image = obj.ShowTanks();
                }
                else MessageBox.Show("Не удалось добавить объект");
            }
        }
        /// <summary>
        /// Удаление объекта из набора
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonRemoveTank_Click(object sender, EventArgs e)
        {
            if (listBoxStorages.SelectedIndex == -1) return;
            
            var obj = _storage[listBoxStorages.SelectedItem.ToString() ?? string.Empty];
            if (obj == null) return;

            if (MessageBox.Show("Удалить объект?", "Удаление",
                MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
            {
                return;
            }
            int pos = Convert.ToInt32(maskedTextBoxNumber.Text);
            if (obj - pos != null)
            {
                MessageBox.Show("Объект удален");
                pictureBoxCollection.Image = obj.ShowTanks();
            }
            else MessageBox.Show("Не удалось удалить объект");
        }

        /// <summary>
        /// Обновление рисунка по набору
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>

        private void ButtonRefreshCollection_Click(object sender, EventArgs e)
        {
            if (listBoxStorages.SelectedIndex == -1) return;

            var obj = _storage[listBoxStorages.SelectedItem.ToString() ?? string.Empty];
            if (obj == null) return;

            pictureBoxCollection.Image = obj.ShowTanks();
        }

    }

}