#region License

// Copyright 2005-2019 Paul Kohler (https://github.com/paulkohler/minisqlquery). All rights reserved.
// This source code is made available under the terms of the GNU Lesser General Public License v3.0
// https://github.com/paulkohler/minisqlquery/blob/master/LICENSE
#endregion

using System;
using System.IO;
using System.Windows.Forms;
using Microsoft.VisualBasic;
using MiniSqlQuery.Core;
using WeifenLuo.WinFormsUI.Docking;

namespace MiniSqlQuery.PlugIns.TemplateViewer
{
    /// <summary>The template view form.</summary>
    public partial class TemplateViewForm : DockContent
    {
        /// <summary>The _model.</summary>
        private readonly TemplateModel _model;

        /// <summary>The _services.</summary>
        private readonly IApplicationServices _services;

        /// <summary>The _selected file.</summary>
        private FileInfo _selectedFile;

        /// <summary>Initializes a new instance of the <see cref="TemplateViewForm"/> class.</summary>
        /// <param name="services">The services.</param>
        /// <param name="model">The model.</param>
        public TemplateViewForm(IApplicationServices services, TemplateModel model)
        {
            InitializeComponent();
            _services = services;
            _model = model;
        }

        /// <summary>The get value.</summary>
        /// <param name="name">The name.</param>
        /// <returns>The get value.</returns>
        private string GetValue(string name)
        {
            string val = Interaction.InputBox(string.Format("Value for '{0}'", name), "Supply a Value", name, -1, -1);
            return val;
        }

        /// <summary>The populate tree.</summary>
        private void PopulateTree()
        {
            tvTemplates.Nodes[0].Nodes.Clear();
            tvTemplates.Nodes[0].Nodes.AddRange(_model.CreateNodes());
            tvTemplates.Nodes[0].Expand();
        }

        /// <summary>The run template.</summary>
        /// <param name="fi">The fi.</param>
        private void RunTemplate(FileInfo fi)
        {
            TemplateResult templateResult = _model.ProcessTemplateFile(fi.FullName, GetValue);

            // display in new window
            IFileEditorResolver resolver = _services.Resolve<IFileEditorResolver>();
            IEditor editor = _services.Resolve<IEditor>(resolver.ResolveEditorNameByExtension(templateResult.Extension));
            editor.AllText = templateResult.Text;
            editor.SetSyntax(templateResult.SyntaxName);
            _services.HostWindow.DisplayDockedForm(editor as DockContent);
        }

        /// <summary>The template view form_ load.</summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void TemplateViewForm_Load(object sender, EventArgs e)
        {
            PopulateTree();
            templateFileWatcher.Path = _model.GetTemplatePath();
        }

        /// <summary>The template file watcher_ changed.</summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void templateFileWatcher_Changed(object sender, FileSystemEventArgs e)
        {
            PopulateTree();
        }

        /// <summary>The template file watcher_ renamed.</summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void templateFileWatcher_Renamed(object sender, RenamedEventArgs e)
        {
            // todo - scan and modify tree
            PopulateTree();
        }

        /// <summary>The tool strip menu item edit_ click.</summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void toolStripMenuItemEdit_Click(object sender, EventArgs e)
        {
            if (_selectedFile != null)
            {
                IFileEditorResolver resolver = _services.Resolve<IFileEditorResolver>();
                var editor = resolver.ResolveEditorInstance(_selectedFile.FullName);
                editor.FileName = _selectedFile.FullName;
                editor.LoadFile();
                _services.HostWindow.DisplayDockedForm(editor as DockContent);
            }
        }

        /// <summary>The tool strip menu item run_ click.</summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void toolStripMenuItemRun_Click(object sender, EventArgs e)
        {
            if (_selectedFile != null)
            {
                RunTemplate(_selectedFile);
            }
        }

        /// <summary>The tv templates_ node mouse click.</summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void tvTemplates_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
        {
            FileInfo fi = null;
            if (e.Button == MouseButtons.Right && e.Node != null && e.Node.Tag is FileInfo)
            {
                fi = e.Node.Tag as FileInfo;
            }

            _selectedFile = fi;
            treeMenuStrip.Enabled = _selectedFile != null;
        }

        /// <summary>The tv templates_ node mouse double click.</summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void tvTemplates_NodeMouseDoubleClick(object sender, TreeNodeMouseClickEventArgs e)
        {
            if (e != null && e.Node != null)
            {
                FileInfo fi = e.Node.Tag as FileInfo;
                if (fi != null)
                {
                    RunTemplate(fi);
                }
            }
        }
    }
}