using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using DumpTruck.Generics;
using DumpTruck.DrawingObjects;
using DumpTruck.MovementStrategy;

namespace DumpTruck
{
	/// <summary>
	/// Форма для работы с набором объектов класса DrawingTruck
	/// </summary>
	public partial class FormTruckCollection : Form
	{
        /// <summary>
        /// Набор объектов
        /// </summary>
        private readonly TrucksGenericStorage _storage;

        /// <summary>
        /// Конструктор
        /// </summary>
        public FormTruckCollection()
		{
			InitializeComponent();
            _storage = new TrucksGenericStorage(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;
            }
        }
        /// <summary>
        /// Добавление набора в коллекцию
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonAddObject_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(textBoxStorageName.Text))
            {
                MessageBox.Show("Не все данные заполнены", "Ошибка",
                MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            _storage.AddSet(textBoxStorageName.Text);
            ReloadObjects();
        }
        /// <summary>
        /// Выбор набора
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ListBoxObjects_SelectedIndexChanged(object sender, EventArgs e)
        {
            pictureBoxCollection.Image = _storage[listBoxStorages.SelectedItem?.ToString() ?? string.Empty]?.ShowTrucks();
        }
        /// <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();
            }
        }

        private void buttonAddTruck_Click(object sender, EventArgs e)
		{
            if (listBoxStorages.SelectedIndex == -1)
            {
                return;
            }
            var obj = _storage[listBoxStorages.SelectedItem.ToString() ?? string.Empty];
            if (obj == null)
            {
                return;
            }
            FormDumpTruck form = new();
			if (form.ShowDialog() == DialogResult.OK)
			{
				if (obj + form.SelectedTruck != -1)
				{
					MessageBox.Show("Объект добавлен");
					pictureBoxCollection.Image = obj.ShowTrucks();
				}
				else
				{
					MessageBox.Show("Не удалось добавить объект");
				}
			}
		}

		private void buttonRemoveTruck_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.ShowTrucks();
			}
			else
			{
				MessageBox.Show("Не удалось удалить объект");
			}
		}

		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.ShowTrucks();
		}
	}

}