using System.ComponentModel;
using System.IO;
using System.Xml.Serialization;
using CustomUITypeEditors;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework;

namespace GLEED2D
{
    public enum TextureOriginMethodEnum
    {
        TextureCenter, Centroid, TopLeft, TopRight, BottomLeft, BottomRight
    }

    public class Constants
    {
        private static Constants instance;
        public static Constants Instance
        {
            get
            {
                if (instance == null) instance = new Constants();
                return instance;
            }
        }

        public Constants()
        {
            //initialize all settings with default values
            ColorSelectionFirst = new Color(255, 255, 0, 255);
            ColorSelectionRest = new Color(255, 128, 0, 255);
            EnableHighlightOnMouseOver = true;
            ColorHighlight = new Color(255, 0, 0, 228);
            ColorBackground = new Color(100, 149, 237, 255);
            ColorSelectionBox = new Color(255, 255, 255, 109);
            ColorPrimitives = new Color(192, 0, 192, 145);
            ColorTextureTransparent = new Color(255, 0, 255, 255);
            DefaultPathItemLineWidth = 4;
            DefaultContentRootFolder = "C:\\";
            CameraSpeed = 500;
            CameraFastSpeed = 2000;
            DefaultTextureOriginMethod = TextureOriginMethodEnum.TextureCenter;
            WorldOriginColor = new Color(255, 255, 255, 255);
            WorldOriginLineThickness = 2;
            GridColor = new Color(192, 192, 192, 120);
            GridLineThickness = 1;
            GridNumberOfGridLines = 500;
            GridSpacing = new Microsoft.Xna.Framework.Vector2(64, 64);

        }


        [Editor(typeof(XNAColorUITypeEditor), typeof(System.Drawing.Design.UITypeEditor))]
        [Category("General"), Description("The color used for the frame around the first selected item.")]
        public Color ColorSelectionFirst {get; set; }

        [Editor(typeof(XNAColorUITypeEditor), typeof(System.Drawing.Design.UITypeEditor))]
        [Category("General"), Description("The color used for the frame around all selected items but the first.")]
        public Color ColorSelectionRest {get; set; }

        [Category("General"), Description("If enabled, items are tinted in 'ColorHighlight' when the mouse is over them.")]
        public bool EnableHighlightOnMouseOver { get; set; }

        [Editor(typeof(XNAColorUITypeEditor), typeof(System.Drawing.Design.UITypeEditor))]
        [Category("General"), Description("The color used when hovering over an item. Only relevant if 'EnableHighlightOnMouseOver' is set to true.")]
        public Color ColorHighlight {get; set; }

        [Editor(typeof(XNAColorUITypeEditor), typeof(System.Drawing.Design.UITypeEditor))]
        [Category("General"), Description("The background color for the editor.")]
        public Color ColorBackground {get; set; }

        [Editor(typeof(XNAColorUITypeEditor), typeof(System.Drawing.Design.UITypeEditor))]
        [Category("General"), Description("The color used when selecting multiple items by holding down the left mouse button.")]
        public Color ColorSelectionBox {get; set; }

        [Editor(typeof(XNAColorUITypeEditor), typeof(System.Drawing.Design.UITypeEditor))]
        [Category("General"), Description("The default color each new Primitive gets when added to the level.")]
        public Color ColorPrimitives {get; set; }

        [Editor(typeof(XNAColorUITypeEditor), typeof(System.Drawing.Design.UITypeEditor))]
        [Category("General"), Description("The color for colorkeying. When a texture is loaded, this color is made fully transparent.")]
        public Color ColorTextureTransparent { get; set; }

        [Category("General"), Description("The default LineWidth of each new PathItem added to the level.")]
        public int DefaultPathItemLineWidth { get; set; }


        [EditorAttribute(typeof(FolderUITypeEditor), typeof(System.Drawing.Design.UITypeEditor))]
        [Category("General"), Description("When a new level is created, its ContentRootFolder will be initially set to this.")]
        public string DefaultContentRootFolder { get; set; }

        [Category("General"), Description("The speed of the camera when moved with the W,A,S,D-Keys in WorldUnits/sec.")]
        public float CameraSpeed { get; set; }

        [Category("General"), Description("The speed of the camera when moved via holding down Shift + W,A,S,D-Keys in WorldUnits/sec.")]
        public float CameraFastSpeed { get; set; }

        [Category("General"), Description("The method for calculating the origin of each new texture.\n" +
                     "\"TextureCenter\" means the origin is calculated as Vector2(texture.Width/2, texture.Height/2).\n"+
                     "\"Centroid\" is Farseer's way of calculating the Centroid of a polygon created from the texture.\n"+
                     "\"TopLeft\",\"TopRight\",\"BottomLeft\" and \"BottomRight\" are the corresponding corners of the texture.")]
        public TextureOriginMethodEnum DefaultTextureOriginMethod { get; set; }

        [Editor(typeof(XNAColorUITypeEditor), typeof(System.Drawing.Design.UITypeEditor))]
        [Category("World Origin"), Description("The color of the world origin cross.")]
        public Color WorldOriginColor { get; set; }

        [Category("World Origin"), Description("The thickness of the world origin cross in pixels.")]
        public int WorldOriginLineThickness { get; set; }

        [Editor(typeof(XNAColorUITypeEditor), typeof(System.Drawing.Design.UITypeEditor))]
        [Category("Grid"), Description("The color of the grid lines.")]
        public Color GridColor { get; set; }

        [Category("Grid"), Description("The thickness of the grid lines in pixels.")]
        public int GridLineThickness { get; set; }

        [Category("Grid"), Description("How many grid lines should be drawn in either X or Y direction?")]
        public int GridNumberOfGridLines { get; set; }

        [Category("Grid"), Description("The grid spacing in X and Y direction in WorldUnits.")]
        public Microsoft.Xna.Framework.Vector2 GridSpacing { get; set; }
        
        
        
        
        public bool RunLevelStartApplication;
        public string RunLevelApplicationToStart;
        public bool RunLevelAppendLevelFilename;


        public bool SaveLevelStartApplication;
        public string SaveLevelApplicationToStart;
        public bool SaveLevelAppendLevelFilename;


        public bool ShowGrid;
        public bool SnapToGrid;
        public bool ShowWorldOrigin;
        



        //XML import and export
        public void export(string filename)
        {
            string path = System.Windows.Forms.Application.StartupPath + "\\" + filename;
            FileStream stream = File.Open(path, FileMode.Create);
            XmlSerializer serializer = new XmlSerializer(typeof(Constants));
            serializer.Serialize(stream, this);
            stream.Close();
        }
        public void import(string filename)
        {
            string path = System.Windows.Forms.Application.StartupPath + "\\" + filename;
            if (!File.Exists(path)) return;
            FileStream stream = File.Open(path, FileMode.Open);
            XmlSerializer serializer = new XmlSerializer(typeof(Constants));
            instance = (Constants)serializer.Deserialize(stream);
            stream.Close();
        }


    }

}