using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Text;
using System.Windows.Forms;
using System.CodeDom;
using System.CodeDom.Compiler;
using System.Runtime.CompilerServices;
using System.Reflection;
using System.Xml;
using Microsoft.CSharp;

namespace DarkWynter.Shell
{
    public class UCAD_Tab : TabPage 
    {
        static int UCAD_TabIndex = 0;

        // Control spacing of Labels and Buttons
        int cursorPositionX = 3;
        int cursorPositionY = 0;
        int cursorButtonIndentX = 5;
        int cursorIncrementY = 25;

        public Panel panel = new Panel();


        // "Name of DLL where UserControls are found. (eg - "AccountingControls.dll")" 
        string assemblyName;
        Assembly assembly;

        

        /// <summary>
        /// 
        /// </summary>
        /// <param name="TabText">Text used in TabControl</param>
        /// <param name="AssemblyName">Name of DLL where UserControls are found. (eg - "AccountingControls.dll")</param>
        /// <param name="AssemblyNamespace">Root Namespace for all UserControls</param>
        public UCAD_Tab(XmlNode tabNode) 
        {
            // Suspend this tabs control-layout logic
            this.SuspendLayout();

            // "Text used in TabControl"
            this.Text = tabNode.Attributes["tabText"].Value;
            this.ForeColor = UCAD_Settings.defaultForeColor;
            this.BackColor = UCAD_Settings.defaultBackColor;
            
            // "Load the assembly associated with this tab. (eg - "AccountingControls.dll")" 
            assemblyName = tabNode.Attributes["assemblyName"].Value;
            string path = GetSolutionDirectory() + assemblyName;
            assembly = Assembly.LoadFile(path);

            // Set up an embedded panel in the tab
            // Nicer effect
            panel.SuspendLayout();
            panel.Name = "panel_" + tabNode.Attributes["tabText"].Value;
            panel.BackColor = UCAD_Settings.defaultBackColor;
            panel.TabIndex = UCAD_Tab.UCAD_TabIndex++;

            panel.Dock = System.Windows.Forms.DockStyle.Fill;
            panel.Location = UCAD_Settings.tabLocation;
            panel.Size = UCAD_Settings.tabSize;

            #region Labels and Buttons
            foreach (XmlNode itemNode in tabNode.ChildNodes)
            {
                if (itemNode.Name == "Label")
                {
                    // Move cursor to next empty spot
                    cursorPositionY += cursorIncrementY + cursorIncrementY;

                    // Create a sub-catagory label
                    Label label = CreateLabel(itemNode, 
                        new Point(cursorPositionX, cursorPositionY));

                    // Add Button to the panel
                    panel.Controls.Add(label);

                }

                if (itemNode.Name == "Button")
                {
                    // Move cursor to next empty spot
                    cursorPositionY += cursorIncrementY;

                    // Create Button
                    UCAD_Button button = new UCAD_Button(
                        itemNode, 
                        new Point(cursorPositionX + cursorButtonIndentX, cursorPositionY), 
                        assembly);

                    // Add Button to the panel
                    panel.Controls.Add(button);


                }

            }
            #endregion

            panel.ResumeLayout(false);
            panel.PerformLayout();

            this.Controls.Add(panel);
            this.ResumeLayout(false);
        }

        private Label CreateLabel(XmlNode labelNode, Point location)
        {
            Label label = new Label();

            // "Text applied as a header to button groups"
            label.Text = labelNode.Attributes["labelText"].Value;

            label.AutoSize = true;
            label.Font = new System.Drawing.Font("Verdana", 12F, ((System.Drawing.FontStyle)((System.Drawing.FontStyle.Bold | System.Drawing.FontStyle.Underline))), System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            label.ForeColor = System.Drawing.Color.DarkSlateGray;
            label.Location = location;
            label.Name = "label4";
            label.Size = new System.Drawing.Size(121, 18);
            label.TabIndex = 6;

            return label;
        }



        /// <summary>
        /// Gets the Solution directory containing UserControl Dlls.
        /// </summary>
        /// <returns></returns>
        public static String GetSolutionDirectory()
        {
            string curDir = Directory.GetCurrentDirectory();
            DirectoryInfo parentDir = Directory.GetParent(curDir);

            //String workDir = curDir.Substring(0, curDir.IndexOf("SmallBusinessEngine\\bin\\Debug"));

            return parentDir.FullName + "\\";
        }

        

        /// <summary>
        /// Deactivate this Tabs buttons and reset to defaults.
        /// </summary>
        public void ResetButtonDefaults()
        {
            for (int i = 0; i < this.panel.Controls.Count; i++)
            {
                if (this.panel.Controls[i] is Button)
                {
                    this.panel.Controls[i].BackColor = UCAD_Settings.defaultBackColor;
                    this.panel.Controls[i].ForeColor = UCAD_Settings.defaultForeColor;
                }
            }

        }

        private void InitializeComponent()
        {
            this.SuspendLayout();
            this.ResumeLayout(false);

        }

    }
}