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 WinFormsApp1;

namespace WinFormsApp1
{
    public partial class FormMapWithSetTraktor : Form
    {
        private MapWithSetTraktorGeneric<DrawningObjectTractor, AbstractMap> _mapTraktorCollectionGeneric;

        private readonly Dictionary<string, AbstractMap> _mapsDict = new()
        {
            {"Простая карта", new SimpleMap() },
            {"Поле", new FieldMap() }
        };

        private readonly MapsCollection _mapsCollection;

        public FormMapWithSetTraktor()
        {
            InitializeComponent();
            _mapsCollection = new MapsCollection(pictureBox.Width, pictureBox.Height);
            comboBoxSelectorMap.Items.Clear();
            foreach (var item in _mapsDict)
            {
                comboBoxSelectorMap.Items.Add(item.Key);
            }

        }

        private void ReloadMaps()
        {
            int index = listBoxMaps.SelectedIndex;

            listBoxMaps.Items.Clear();
            for (int i = 0; i < _mapsCollection.Keys.Count; i++)
            {
                listBoxMaps.Items.Add(_mapsCollection.Keys[i]);
            }

            if (listBoxMaps.Items.Count > 0 && (index == -1 || index >= listBoxMaps.Items.Count))
            {
                listBoxMaps.SelectedIndex = 0;
            }
            else if (listBoxMaps.Items.Count > 0 && index > -1 && index < listBoxMaps.Items.Count)
            {
                listBoxMaps.SelectedIndex = index;
            }
        }

        private void ComboBoxSelectorMap_SelectedIndexChanged(object sender, EventArgs e)
        {
            AbstractMap map = null;
            switch (comboBoxSelectorMap.Text)
            {
                case "Простая карта":
                    map = new SimpleMap();
                    break;
                case "Поле":
                    map = new FieldMap();
                    break;
            }

            if (map != null)
            {
                _mapTraktorCollectionGeneric = new MapWithSetTraktorGeneric<DrawningObjectTractor, AbstractMap>(pictureBox.Width, pictureBox.Height, map);
            }

            else
            {
                _mapTraktorCollectionGeneric = null;
            }
        }

        private void ButtonAddTraktor_Click(object sender, EventArgs e)
        {
            if (listBoxMaps.SelectedIndex == -1)
            {
                return;
            }
            FormTractor form = new();
            if (form.ShowDialog() == DialogResult.OK)
            {
                if (form.SelectedTractor == null)
                {
                    MessageBox.Show("Сначала создайте объект");
                    return;
                }

                DrawningObjectTractor bus = new(form.SelectedTractor);

                if (_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] + bus != -1)
                {
                    MessageBox.Show("Объект добавлен");
                    pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
                }
                else
                {
                    MessageBox.Show("Не удалось добавить объект");
                }
            }
        }

        private void ButtonRemoveTraktor_Click(object sender, EventArgs e)
        {
            if (listBoxMaps.SelectedIndex == -1)
            {
                return;
            }

            if (string.IsNullOrEmpty(maskedTextBoxPosition.Text))
            {
                return;
            }

            if (MessageBox.Show("Удалить объект?", "Удаление",
            MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
            {
                return;
            }

            int pos = Convert.ToInt32(maskedTextBoxPosition.Text);
            if (_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] - pos != null)
            {
                MessageBox.Show("Объект удален");
                pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
            }

            else
            {
                MessageBox.Show("Не удалось удалить объект");
            }
        }

        private void ButtonShowStorage_Click(object sender, EventArgs e)
        {
            if (_mapTraktorCollectionGeneric == null)
            {
                return;
            }
            pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
        }

        private void ButtonShowOnMap_Click(object sender, EventArgs e)
        {
            if (_mapTraktorCollectionGeneric == null)
            {
                return;
            }
            pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowOnMap();
        }

        private void ButtonMove_Click(object sender, EventArgs e)
        {
            if (_mapTraktorCollectionGeneric == null)
            {
                return;
            }

            string name = ((Button)sender)?.Name ?? string.Empty;
            Direction dir = Direction.None;
            switch (name)
            {
                case "buttonUp":
                    dir = Direction.Up;
                    break;
                case "buttonDown":
                    dir = Direction.Down;
                    break;
                case "buttonLeft":
                    dir = Direction.Left;
                    break;
                case "buttonRight":
                    dir = Direction.Right;
                    break;
            }
            pictureBox.Image = _mapTraktorCollectionGeneric.MoveObject(dir);
        }

        private void buttonAddMap_Click(object sender, EventArgs e)
        {
            if (comboBoxSelectorMap.SelectedIndex == -1 || string.IsNullOrEmpty(textBoxNewMapName.Text))
            {
                MessageBox.Show("Не все данные заполнены", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (!_mapsDict.ContainsKey(comboBoxSelectorMap.Text))
            {
                MessageBox.Show("Нет такой карты", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            _mapsCollection.AddMap(textBoxNewMapName.Text, _mapsDict[comboBoxSelectorMap.Text]);
            ReloadMaps();
        }

        private void listBoxMaps_SelectedIndexChanged(object sender, EventArgs e)
        {
            pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
        }

        private void buttonDeleteMap_Click(object sender, EventArgs e)
        {
            if (listBoxMaps.SelectedIndex == -1)
            {
                return;
            }

            if (MessageBox.Show($"Удалить карту {listBoxMaps.SelectedItem}?", "Удаление", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
            {
                _mapsCollection.DelMap(listBoxMaps.SelectedItem?.ToString() ?? string.Empty);
                ReloadMaps();
            }
        }
    }
}