using AirBomber.Exceptions;
using AirBomber.Generics;
using AirBomber.Rendering;
using Microsoft.Extensions.Logging;

namespace AirBomber
{
    public partial class FormEntityCollection : Form
    {
        private readonly EntitiesGenericStorage _storage;

        private readonly ILogger _logger;

        public FormEntityCollection(ILogger<FormEntityCollection> Logger)
        {
            InitializeComponent();

            _storage = new EntitiesGenericStorage(CollectionPictureBox.Width, CollectionPictureBox.Height);
            _logger = Logger;
        }

        private void ReloadObjects()
        {
            int index = StorageListBox.SelectedIndex;
            StorageListBox.Items.Clear();

            for (int i = 0; i < _storage.Keys.Count; i++)
                StorageListBox.Items.Add(_storage.Keys[i]);

            if (StorageListBox.Items.Count > 0 && (index == -1 || index >= StorageListBox.Items.Count))
                StorageListBox.SelectedIndex = 0;

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

        public void ButtonAddEntity_Click(object sender, EventArgs e)
        {
            if (StorageListBox.SelectedIndex == -1)
                return;

            FormBomberConfig ConfigForm = new FormBomberConfig();
            ConfigForm.AddEvent(OnEntityAdded);

            ConfigForm.Show();
        }

        public void OnEntityAdded(BomberRendererBase Renderer)
        {
            var obj = _storage[StorageListBox.SelectedItem.ToString() ?? string.Empty];
            if (obj is null)
                return;

            if (obj + (Renderer) != -1)
            {
                MessageBox.Show("Объект добавлен");
                CollectionPictureBox.Image = obj.ShowEntities();
            }

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

        public void ButtonRemoveEntity_Click(object sender, EventArgs e)
        {
            if (StorageListBox.SelectedIndex == -1)
                return;

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

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

            int Pos = Convert.ToInt32(NumberMaskedTextBox.Text);
            try
            {
                if (obj - Pos == true)
                {
                    MessageBox.Show("Объект удален");
                    CollectionPictureBox.Image = obj.ShowEntities();
                }
                else
                {
                    MessageBox.Show("Не удалось удалить объект");
                }
            }
            catch (EntityNotFoundException ex)
            {
                MessageBox.Show(ex.Message);
            }            
        }

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

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

            CollectionPictureBox.Image = obj.ShowEntities();
        }

        private void ButtonAddSet_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(SetNameTextBox.Text))
            {
                MessageBox.Show("Не все данные заполнены", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            _storage.AddSet(SetNameTextBox.Text);
            ReloadObjects();

            _logger.LogInformation($"Добавлен набор: {SetNameTextBox.Text}");
        }

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

            string SetName = StorageListBox.SelectedItem.ToString() ?? string.Empty;

            if (MessageBox.Show(
                $"Удалить объект{SetName}?",
                "Удаление",
                MessageBoxButtons.YesNo,
                MessageBoxIcon.Question
            ) == DialogResult.Yes)
            {
                _storage.RemoveSet(SetName);
                ReloadObjects();

                _logger.LogInformation($"Удален набор: {SetName}");
            }
        }

        private void StorageListBoxIndexChanged(object sender, EventArgs e)
        {
            CollectionPictureBox.Image = _storage[StorageListBox.SelectedItem?.ToString() ?? string.Empty]?.ShowEntities();
        }

        private void SaveToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (SaveFileDialog.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    _storage.SaveData(SaveFileDialog.FileName);
                    MessageBox.Show("Сохранение прошло успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                catch (Exception ex)
                {
                    MessageBox.Show($"Не сохранилось: {ex.Message}", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }

        private void LoadToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (OpenFileDialog.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    _storage.LoadData(OpenFileDialog.FileName);
                    MessageBox.Show("Загрузка прошла успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                catch (Exception ex) 
                {
                    MessageBox.Show($"Не загрузилось: {ex.Message}", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }                    
            }

            ReloadObjects();
        }
    }
}