using Data.Models;
using Library14Petrushin;
using Library15Gerimovich.OfficePackage.HelperModels;
using Library15Gerimovich;
using WinFormsLibrary1;
using WinFormsLibrary1.Models;
using View.ViewModels;
using PluginsConventionLibrary.Plugins;
using System.Reflection;

namespace View
{
    public partial class FormMain : Form
    {
        private readonly Dictionary<string, IPluginsConvention> _plugins;
        private string _selectedPlugin;
        private ContextMenuStrip contextMenu = new ContextMenuStrip();

        public FormMain()
        {
            InitializeComponent();

            _plugins = LoadPlugins();
            _selectedPlugin = string.Empty;
        }

        

        private Dictionary<string, IPluginsConvention> LoadPlugins()
        {
            var plugins = new Dictionary<string, IPluginsConvention>();

            string pluginsDir = Directory.GetParent(Directory.GetCurrentDirectory())!.Parent!.Parent!.Parent!.FullName + "\\Plugins";

            string[] dllFiles = Directory.GetFiles(pluginsDir, "*.dll", SearchOption.AllDirectories);

            foreach (string dllFile in dllFiles)
            {
                try
                {

                    Assembly assembly = Assembly.LoadFrom(dllFile);
                    Type[] types = assembly.GetTypes();

                    foreach (var type in types)
                    {

                        if (typeof(IPluginsConvention).IsAssignableFrom(type) && !type.IsInterface)
                        {
                            var plugin = (IPluginsConvention)Activator.CreateInstance(type)!;
                            plugins.Add(plugin.PluginName, plugin);
                            CreateMenuItem(plugin.PluginName);
                        }
                    }
                }
                catch (Exception ex)
                {
                    Console.WriteLine($"Ошибка при загрузке сборки {dllFile}: {ex.Message}");
                }
            }

            return plugins;
        }

        private void CreateMenuItem(string pluginName)
        {
            ToolStripMenuItem menuItem = new(pluginName);
            menuItem.Click += (object? sender, EventArgs e) =>
            {
                UserControl userControl = _plugins[pluginName].GetControl;
                if (userControl != null)
                {
                    panelControl.Controls.Clear();
                    userControl.Dock = DockStyle.Fill;
                    _plugins[pluginName].ReloadData();
                    _selectedPlugin = pluginName;
                    panelControl.Controls.Add(userControl);
                }
            };
            ControlsStripMenuItem.DropDownItems.Add(menuItem);
        }

        private void FormMain_KeyDown(object sender, KeyEventArgs e)
        {
            if (!e.Control)
            {
                return;
            }

            switch (e.KeyCode)
            {
                case Keys.A:
                    AddNewElement();
                    break;
                case Keys.U:
                    UpdateElement();
                    break;
                case Keys.D:
                    DeleteElement();
                    break;
                case Keys.S:
                    CreateWord();
                    break;
                case Keys.T:
                    CreatePdf();
                    break;
                case Keys.C:
                    CreateExcel();
                    break;
            }
        }

        private void AddNewElement()
        {
            var form = _plugins[_selectedPlugin].GetForm(null);
            if (form != null && form.ShowDialog() == DialogResult.OK)
            {
                _plugins[_selectedPlugin].ReloadData();
            }
        }

        private void UpdateElement()
        {
            var element = _plugins[_selectedPlugin].GetElement;
            if (element == null)
            {
                MessageBox.Show("Нет выбранного элемента", "Ошибка",
                MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            var form = _plugins[_selectedPlugin].GetForm(element);
            if (form != null && form.ShowDialog() == DialogResult.OK)
            {
                _plugins[_selectedPlugin].ReloadData();
            }
        }

        private void DeleteElement()
        {
            if (MessageBox.Show("Удалить выбранный элемент", "Удаление", MessageBoxButtons.YesNo, MessageBoxIcon.Question) != DialogResult.Yes) { return; }
            var element = _plugins[_selectedPlugin].GetElement;
            if (element == null)
            {
                MessageBox.Show("Нет выбранного элемента", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (_plugins[_selectedPlugin].DeleteElement(element))
            {
                _plugins[_selectedPlugin].ReloadData();
            }
        }

        private void CreateWord()
        {
            using (var dialog = new SaveFileDialog { Filter = "docx|*.docx" })
            {
                if (_plugins[_selectedPlugin].CreateWord(new PluginsConventionSaveDocument { FileName = dialog.FileName }))
                {
                    //MessageBox.Show("Документ сохранен", "Создание документа", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                else
                {
                    MessageBox.Show("Ошибка при создании документа", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }


        private void CreateExcel()
        {
            using (var dialog = new SaveFileDialog { Filter = "xlsx|*.xlsx" })
            {
                if (_plugins[_selectedPlugin].CreateExcel(new PluginsConventionSaveDocument { FileName = dialog.FileName }))
                {
                    //MessageBox.Show("Документ сохранен", "Создание документа", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                else
                {
                    MessageBox.Show("Ошибка при создании документа", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }

        }

        private void CreatePdf()
        {
            using (var dialog = new SaveFileDialog { Filter = "pdf|*.pdf" })
            {
                if (_plugins[_selectedPlugin].CreatePdf(new PluginsConventionSaveDocument { FileName = dialog.FileName }))
                {
                    //MessageBox.Show("Документ сохранен", "Создание документа", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                else
                {
                    MessageBox.Show("Ошибка при создании документа", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }

        private void AddElementToolStripMenuItem_Click(object sender, EventArgs e)
        {
            AddNewElement();
        }

        private void UpdElementToolStripMenuItem_Click(object sender, EventArgs e)
        {
            UpdateElement();
        }

        private void DelElementToolStripMenuItem_Click(object sender, EventArgs e)
        {
            DeleteElement();
        }

        private void WordDocToolStripMenuItem_Click(object sender, EventArgs e)
        {
            CreateWord();
        }

        private void TableDocToolStripMenuItem_Click(object sender, EventArgs e)
        {
            CreateExcel();
        }

        private void ChartDocToolStripMenuItem_Click(object sender, EventArgs e)
        {
            CreatePdf();
        }
    }
}