using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using System.Xml;

using System.ComponentModel.Design;

namespace UCAD_Shell
{
    // Create the UserControl as a Design-Time Control Container
    [Designer("System.Windows.Forms.Design.ParentControlDesigner, System.Design", typeof(IDesigner))]

    /// <summary>
    /// UserControl Assembly Description (UCAD)
    /// UCAD uses an xml description to automatically load (Forms.) UserControls from compiled dll libraries 
    /// 
    /// UCAD automatically configures a TabPane per dll loaded.
    /// Each TabPane contains a Button per UserControl that provides access to it's interface.
    /// An optional Label syntax enables submenu configurations.
    /// 
    /// Configurable Color settings are found in UCAD_Settings.cs
    /// 
    /// This file (UCAD.cs) is configured as a UserControl to allow embedding into parent Forms, etc.
    /// It also provides an interaction point for modifying the layout of the UCAD control.
    /// 
    /// To ship a final application built on UCAD, reconfigure to load UCAD_Xml file from the loaded lib.
    /// Alternatively, you may consider embedding the xml file into the final exe.
    /// 
    /// </summary>
    public partial class UCAD : UserControl
    {

        public static Panel UCAD_MainWindow_Panel;
        public static TabControl UCAD_SideBar_tabControl;


        public UCAD()
        {
            InitializeComponent();

            UCAD_MainWindow_Panel = this.UCAD_panel;
            UCAD_SideBar_tabControl = this.UCAD_tabControl;

        }

        public void load_UCAD_Dialog()
        {
            List<string> fileNames = new List<string>();

            // Launch the FolderBrowserDialog Control
            if (this.openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                // Record FolderBrowserDialog result in Directory TextBox, enabling user to inspect and edit the path.
                fileNames.AddRange(this.openFileDialog1.FileNames);
            }

            // Load all user requested UCAD files
            for (int i = 0; i < fileNames.Count; i++)
            {
                load_UCAD_File(fileNames[i]);
            }

        }

        public void load_UCAD_File(string xmlFileName)
        {
            // Read the Xml File
            try
            {
                XmlDocument reader = new XmlDocument();
                reader.Load(xmlFileName);

                // Unpack the UCAD file
                foreach (XmlNode UCAD_node in reader.ChildNodes)
                {
                    // Root xml node
                    if (UCAD_node.Name == "UserControlAssemblyDescription")
                    {
                        // Text used in the Forms Title Bar
                        this.Text = UCAD_node.Attributes["formText"].Value;

                        // Upack the Tabs
                        foreach (XmlNode tabNode in UCAD_node.ChildNodes)
                        {
                            if (tabNode.Name == "Tab")
                            {
                                // Create a custom TabPage and add to the TabControl
                                UCAD.UCAD_SideBar_tabControl.Controls.Add(new UCAD_Tab(tabNode));
                            }
                        }
                    }
                }
            }

            catch
            {
                System.Diagnostics.Debug.WriteLine("Error reading xml");
                throw new Exception("Error reading XML");
            }
        }


        /// <summary>
        /// Handles UCAD_Button Click events.
        /// Gets the UCAD_Button's UserControl and adds it to the main panel
        /// </summary>
        /// <param name="sender">UCAD_Button that the user clicked.</param>
        /// <param name="e">Generic EventArgs</param>
        public static void button_Click(object sender, EventArgs e)
        {
            // Reset all buttons to Defaults
            for (int i = 0; i < UCAD.UCAD_SideBar_tabControl.Controls.Count; i++)
            {
                // Type Checking
                if (UCAD.UCAD_SideBar_tabControl.Controls[i] is UCAD_Tab)
                {
                    // Deactivate button
                    (UCAD.UCAD_SideBar_tabControl.Controls[i] as UCAD_Tab).ResetButtonDefaults();
                }
            }

            // Type Checking
            if (sender is UCAD_Button)
            {
                // Get currently selected button
                UCAD_Button button = sender as UCAD_Button;
                button.ActivateButton(button);

                // Add the buttons UserControl to the main panel
                UCAD.UCAD_MainWindow_Panel.Controls.Clear();
                UCAD.UCAD_MainWindow_Panel.Controls.Add(button.GetUserControl());
            }
        }

    }
}