//---------------------------------------------------------------------------------------------------------------------------------------------------
// <copyright file="ContentLoader.cs" company="DarkWynter Studios">
//     Copyright (C)2007 DarkWynter Studios.  All rights reserved.
// </copyright>
//---------------------------------------------------------------------------------------------------------------------------------------------------
// {Contact : darkwynter.com for licensing information
//---------------------------------------------------------------------------------------------------------------------------------------------------

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

namespace DarkWynter.App
{
    public partial class ContentLoader : Panel
    {
        // File Location Handlers
        OpenFileDialog fdlg = new OpenFileDialog();
        SaveFileDialog sfdl = new SaveFileDialog();
        
        // Location Map Panel
        //LevelEditorPanel levelEditorPanel;

        // Template Object Panels
        List<ContentPanel> panelTemplate;
        int currentTemplatePanel;

        // ObjectLibrary Panels
        List<ContentPanel> panelContent;
        int currentContentPanel;

        // Object Instance Panels
        List<ContentPanel> panelInstance;
        int currentInstancePanel;

        // Location and size of levelEditorPanel and contentPanels
        public static Point location = new Point(285, 15);
        public static Size size = new Size(700, 700);


        public ContentLoader()
        {
            InitializeComponent();
            this.Dock = DockStyle.Fill;
            //this.MinimizeBox = false;
            //this.MaximizeBox = false;
            //this.FormBorderStyle = FormBorderStyle.Fixed3D;

            panelTemplate = new List<ContentPanel>();
            panelContent = new List<ContentPanel>();
            panelInstance = new List<ContentPanel>();
            
            LoadTemplate("");

            // Init the locationMap
            //levelEditorPanel = new LevelEditorPanel();
            //this.Controls.Add(levelEditorPanel);
        }
        private void ClearPropertiesPanel(object sender, EventArgs e)
        {
            this.Controls.Clear();
            this.Controls.Add(this.panelProjectViews);
            this.Controls.Add(this.panelTemplates);
            this.Controls.Add(this.panelSceneLibrary);
            this.Controls.Add(this.panelInstances);
        }

        #region Views (Xml and Map)
        private void HeightMapButton_Click(object sender, EventArgs e)
        {
            //ClearPropertiesPanel();
            if ((currentContentPanel < panelContent.Count) && (currentContentPanel != -1))
            {
                this.Controls.Add(panelContent[currentContentPanel]);
            }
        }

        private void LocationMapButton_Click(object sender, EventArgs e)
        {
            //ClearPropertiesPanel();
            //this.Controls.Add(levelEditorPanel.panel);
        }

        private void PropertiesButton_Click(object sender, EventArgs e)
        {
            //ClearPropertiesPanel();
            if ((currentContentPanel < panelContent.Count) && (currentContentPanel != -1))
            {
                this.Controls.Add(panelContent[currentContentPanel]);
            }
        }

        private void RunGameButton_Click(object sender, EventArgs e)
        {
            //ClearPropertiesPanel();

            try
            {
                System.Diagnostics.Process.Start(@"DarkWynterGame.exe");
            }
            catch
            {
                throw new Exception("File not found");
            }
        }
        #endregion

        #region Load, Save

        private void LoadTemplate(string templateName)
        {
            try
            {
                // Load physics, music, and fog
                XmlDocument reader = new XmlDocument();
                reader.Load("__Content/_xml/_xmlTemplates/template.xml");
                XmlNodeList allNodes = reader.ChildNodes;
                foreach (XmlNode settingsNode in allNodes)
                {
                    if (settingsNode.Name == "level")
                    {
                        XmlNodeList settingsNodes = settingsNode.ChildNodes;
                        foreach (XmlNode node in settingsNodes)
                        {
                            if (node.Name != "#comment")
                            {
                                // Process matching node, or all nodes if ""
                                if (templateName == node.Name || templateName == "")
                                {
                                    this.listBoxTemplates.Items.Add(node.Name);
                                    this.panelTemplate.Add(new ContentPanel(node, location, size));
                                }
                            }
                        }
                    }
                }
            }
            catch
            {
                System.Diagnostics.Debug.WriteLine("Error reading: " + templateName);
                //throw new Exception("Error reading XML");
            }

        }

        private void SaveHeightMap_Click(object sender, EventArgs e)
        {
            //this.levelEditorPanel.SaveHeightMap();
        }

        #endregion

        #region Template Objects Panel
        private void listBoxTemplateObjects_SelectedIndexChanged(object sender, EventArgs e)
        {
            //Load panel selected by user in ListBox
            currentTemplatePanel = this.listBoxTemplates.SelectedIndex;
            if (currentTemplatePanel != -1)
            {
                // Assumes ListBox and contentPanels use same indexing
                //ClearPropertiesPanel();
                this.Controls.Add(this.panelTemplate[currentTemplatePanel]);
            }
        }

        private void buttonAddToLibrary_Click(object sender, EventArgs e)
        {
            currentTemplatePanel = this.listBoxTemplates.SelectedIndex;
            if (currentContentPanel != -1)
            {                
                // Clone currently selected Template
                ContentPanel panel = panelTemplate[currentTemplatePanel].Clone();

                // Add to the Content panel list
                this.panelContent.Add(panel);
                this.listBoxSceneLibrary.Items.Add(panel.panelName);

                // Show new panel
                //ClearPropertiesPanel();
                this.Controls.Add(panelContent[panelContent.Count-1]);
            }
        }
        #endregion

        #region ObjectLibrary Panel
        private void ObjectLibraryLoad_Click(object sender, EventArgs e)
        {
            fdlg.Title = "DarkWynter - Open";
            //fdlg.InitialDirectory = System.Environment.GetFolderPath(System.Environment.SpecialFolder.DesktopDirectory);
            fdlg.InitialDirectory = "$(ProjectDir)";
            fdlg.Filter = "xml files (*.xml)|*.xml|All files (*.*)|*.*";
            fdlg.FilterIndex = 1;
            fdlg.RestoreDirectory = true;

            string fileName = "";
            if (fdlg.ShowDialog() == DialogResult.OK)
            {
                fileName = fdlg.FileName;

                // Clear Lists
                panelContent = new List<ContentPanel>();
                this.listBoxSceneLibrary.Items.Clear();
                try
                {
                    // Load physics, music, and fog
                    XmlDocument reader = new XmlDocument();
                    reader.Load(fileName);
                    //reader.Load("_xml/LevelEdit/desert.xml");
                    XmlNodeList allNodes = reader.ChildNodes;
                    foreach (XmlNode settingsNode in allNodes)
                    {
                        if (settingsNode.Name == "level")
                        {
                            XmlNodeList settingsNodes = settingsNode.ChildNodes;
                            foreach (XmlNode node in settingsNodes)
                            {
                                if (node.Name != "#comment")
                                {
                                    this.listBoxSceneLibrary.Items.Add(node.Name);
                                    panelContent.Add(new ContentPanel(node, location, size));
                                }
                            }
                        }
                    }
                }
                catch
                {
                    System.Diagnostics.Debug.WriteLine("Error reading xml");
                    throw new Exception("Error reading XML");
                }
            }
        }
        private void ObjectLibrarySave_Click(object sender, EventArgs e)
        {
            sfdl.Title = "DarkWynter - Save";
            sfdl.InitialDirectory = "$(ProjectDir)";
            sfdl.Filter = "xml files (*.xml)|*.xml|All files (*.*)|*.*";
            sfdl.FilterIndex = 1;
            sfdl.RestoreDirectory = true;

            string fileName = "";
            if (sfdl.ShowDialog() == DialogResult.OK)
            {
                fileName = sfdl.FileName;
                XmlTextWriter settingsFile = new XmlTextWriter(fileName, null);

                settingsFile.Formatting = Formatting.Indented;
                settingsFile.WriteStartDocument();
                settingsFile.WriteStartElement("level");
                settingsFile.WriteAttributeString("name", "TestLevel");

                for (int i = 0; i < panelContent.Count; i++)
                {
                    panelContent[i].ToXml(settingsFile);
                }

                settingsFile.WriteEndElement();
                settingsFile.WriteEndDocument();
                settingsFile.Flush();
                settingsFile.Close();
            }
        }
        private void ObjectLibrary_SelectedIndexChanged(object sender, EventArgs e)
        {
            //Load panel selected by user in ListBox
            currentContentPanel = this.listBoxSceneLibrary.SelectedIndex;
            if (currentContentPanel != -1)
            {
                // Assumes ListBox and contentPanels use same indexing
                //ClearPropertiesPanel();
                this.Controls.Add(panelContent[currentContentPanel]);
            }
        }
        private void ObjectLibraryDelete_Click(object sender, EventArgs e)
        {
            int selectedIndex = this.listBoxSceneLibrary.SelectedIndex;
            this.listBoxSceneLibrary.Items.RemoveAt(selectedIndex);
            panelContent.RemoveAt(selectedIndex);
        }
        private void ObjectLibraryClone_Click(object sender, EventArgs e)
        {
            int selectedIndex = this.listBoxSceneLibrary.SelectedIndex;
            if (selectedIndex != -1)
            {
                ContentPanel clonePanel = this.panelContent[selectedIndex].Clone();
                panelContent.Add(clonePanel);
                this.listBoxSceneLibrary.Items.Add(clonePanel.panelName);
            }
        }
        private void buttonAddInstance_Click(object sender, EventArgs e)
        {
            // Bring up LocationMap panel.
            // Set color used for this object.
            // Add an instanceNode to the instanced list
        }
        #endregion
    }
}