using Microsoft.Extensions.Logging;

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 Hydroplane.Exceptions;
using Hydroplane.DrawningObjects;
using Hydroplane.Generics;
using Hydroplane.MovementStrategy;

namespace Hydroplane
{
    public partial class FormHydroplaneCollection : Form
    {
        private readonly PlanesGenericStorage _storage;

        private readonly ILogger _logger;
        /// <summary>
        /// Конструктор
        /// </summary>
        public FormHydroplaneCollection(ILogger<FormHydroplaneCollection> logger)
        {
            InitializeComponent();
            _storage = new PlanesGenericStorage(DrawPlane.Width, DrawPlane.Height);
            _logger = logger;
        }
        /// <summary>
        /// Заполнение listBoxObjects
        /// </summary>
        private void ReloadObjects()
        {
            int index = CollectionListBox.SelectedIndex;
            CollectionListBox.Items.Clear();
            for (int i = 0; i < _storage.Keys.Count; i++)
            {
                CollectionListBox.Items.Add(_storage.Keys[i]);
            }
            if (CollectionListBox.Items.Count > 0 && (index == -1 || index
            >= CollectionListBox.Items.Count))
            {
                CollectionListBox.SelectedIndex = 0;
            }
            else if (CollectionListBox.Items.Count > 0 && index > -1 &&
            index < CollectionListBox.Items.Count)
            {
                CollectionListBox.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(SetTextBox.Text))
            {
                MessageBox.Show("Input not complete", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            _storage.AddSet(SetTextBox.Text);
            ReloadObjects();
            _logger.LogInformation($"Added set: {SetTextBox.Text}");
        }
        /// <summary>
        /// Выбор набора
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ListBoxObjects_SelectedIndexChanged(object sender,
        EventArgs e)
        {
            DrawPlane.Image =
            _storage[CollectionListBox.SelectedItem?.ToString() ?? string.Empty]?.ShowPlanes();
        }
        /// <summary>
        /// Удаление набора
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonDelObject_Click(object sender, EventArgs e)
        {
            if (CollectionListBox.SelectedIndex == -1)
            {
                return;
            }
            string name = CollectionListBox.SelectedItem.ToString() ?? string.Empty;
            if (MessageBox.Show($"Delete Object {name}?", "Deleting",
                MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
            {
                _storage.DelSet(name);
                ReloadObjects();
                _logger.LogInformation($"Deleted set: {name}");
            }
        }

        private void ButtonAddPlane_Click(object sender, EventArgs e)
        {
            if (CollectionListBox.SelectedIndex == -1)
            {
                return;
            }
            var obj = _storage[CollectionListBox.SelectedItem.ToString() ?? string.Empty];
            if (obj == null)
            {
                return;
            }
            FormPlaneConfig formPlaneConfig = new FormPlaneConfig();
            formPlaneConfig.AddEvent(AddPlane);
            formPlaneConfig.Show();
        }

        private void AddPlane(DrawningPlane plane)
        {
            if (CollectionListBox.SelectedIndex == -1)
            {
                return;
            }
            var obj = _storage[CollectionListBox.SelectedItem.ToString() ?? string.Empty];
            if (obj == null)
            {
                _logger.LogWarning("Добавление пустого объекта");
                return;
            }
            try
            {
                _ = obj + plane;
                MessageBox.Show("Объект добавлен");
                DrawPlane.Image = obj.ShowPlanes();
                _logger.LogInformation($"plane added in set {CollectionListBox.SelectedItem.ToString()}");
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                _logger.LogWarning($"plane not added in set {CollectionListBox.SelectedItem.ToString()}");
            }

        }

        /// <summary>
        /// Удаление объекта из набора
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonRemovePlane_Click(object sender, EventArgs e)
        {
            if (CollectionListBox.SelectedIndex == -1)
            {
                return;
            }
            var obj = _storage[CollectionListBox.SelectedItem.ToString() ?? string.Empty];
            if (obj == null)
            {
                return;
            }
            if (MessageBox.Show("Delete Object?", "Delete", MessageBoxButtons.YesNo,
                    MessageBoxIcon.Question) == DialogResult.No)
            {
                return;
            }
            try
            {
                int pos = Convert.ToInt32(PlaneTextBox.Text);
                if (obj - pos != null)
                {
                    MessageBox.Show("Object deleted");
                    DrawPlane.Image = obj.ShowPlanes();
                    _logger.LogInformation($"plane deleted in set {CollectionListBox.SelectedItem.ToString()}");
                }
                else
                {
                    MessageBox.Show("Object not deleted");
                    _logger.LogWarning($"plane not deleted in set {CollectionListBox.SelectedItem.ToString()}");
                }
            }
            catch (PlaneNotFoundException ex)
            {
                MessageBox.Show(ex.Message);
                _logger.LogWarning($"PlaneNotFound: {ex.Message} in set {CollectionListBox.SelectedItem.ToString()}");
            }
            catch (Exception ex)
            {
                MessageBox.Show("Not input");
                _logger.LogWarning("Not input");
            }
        }
        /// <summary>
        /// Обновление рисунка по набору
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonRefreshCollection_Click(object sender, EventArgs e)
        {
            if (CollectionListBox.SelectedIndex == -1)
            {
                return;
            }
            var obj = _storage[CollectionListBox.SelectedItem.ToString() ?? string.Empty];
            if (obj == null)
            {
                return;
            }
            DrawPlane.Image = obj.ShowPlanes();
        }

        private void SaveToolStripMenu_Click(object sender, EventArgs e)
        {
            if (SaveFileDialog.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    _storage.SaveData(SaveFileDialog.FileName);
                    MessageBox.Show("Saving complete", "Result", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    _logger.LogInformation($"save in file {SaveFileDialog.FileName}");
                }
                catch (Exception ex)
                {
                    MessageBox.Show($"Not saved: {ex.Message}", "Result", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    _logger.LogWarning($"Save to file {SaveFileDialog.FileName} not complete");
                }
            }
        }
        private void LoadToolStripMenu_Click(object sender, EventArgs args)
        {
            if (OpenFileDialog.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    _storage.LoadData(OpenFileDialog.FileName);
                    MessageBox.Show("Load complete", "Result", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    ReloadObjects();
                    _logger.LogInformation($"load from file {OpenFileDialog.FileName}");
                }
                catch (Exception ex)
                {
                    MessageBox.Show($"Not loaded: {ex.Message}", "Result", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    _logger.LogWarning($"load from file {OpenFileDialog.FileName} not complete");
                }
            }
        }
    }
}