using System;
using System.Text;

namespace ClearSlideLibrary.HtmlController
{
    internal class HtmlImage : HtmlPresentationElement
    {
        public string HyperLink { get; set; }
        public string FileExtension { get; set; }

        public HtmlImage(string id, int width, int height,
                         int top, int left, bool invisible,
                         bool animatable, string extension)
        {
            base.id = id;
            base.top = top;
            base.left = left;
            base.width = width;
            base.height = height;
            base.invisible = invisible;
            base.animatable = animatable;
            this.FileExtension = extension;
        }

        public override string DrawElement()
        {
            StringBuilder imageBuilder = new StringBuilder();

            //add hyperlink into output html tag as style element.
            string hyperlinkString="";
            bool cursorPointer = false;
            if (HyperLink != null)
            {
                cursorPointer = true;
                hyperlinkString = "onclick=\"openHyperLink(this,1,'" + HyperLink + "')\" onmouseout=\"OutListener()\" onmouseover=\"OverListener()\"";
            }
              
            string style = invisible ? "DC0" : "DC1";
            String idForHtml = id;
            if ("gif".Equals(FileExtension))
                idForHtml += ".gif";
            else if ("jpg".Equals(FileExtension) || "jpeg".Equals(FileExtension))
                idForHtml += ".jpg";
            else if ("bmp".Equals(FileExtension))
                idForHtml += ".bmp";
            else
                idForHtml += ".png";

            if (animatable)
            {
                imageBuilder.Append("<div id=\"" + id + "\" style=\"top:" + top.ToString() + "px;left:" + left.ToString() +
                               "px;height:" + height.ToString() + "px;width:" + width.ToString() + "px;" + (cursorPointer ? "cursor:pointer" : "") + "\"" + hyperlinkString + ">");
                imageBuilder.Append("<div class=\"" + style + "\" id=\"" + idForHtml + "\">");                
                imageBuilder.Append("<img />");                
                imageBuilder.Append("</div>");
                imageBuilder.Append("</div>");
            }
            else
            {
                imageBuilder.Append("<div id=\"" + id + "\" style=\"top:" + top.ToString() + "px;left:" + left.ToString() +
                                    "px;height:" + height.ToString() + "px;width:" + width.ToString() + "px;" + (cursorPointer ? "cursor:pointer" : "") + "\"" + hyperlinkString + ">");
                imageBuilder.Append("<div class=\"" + style + "\" id=\"" + idForHtml + "\">");
                imageBuilder.Append("<img />");
                imageBuilder.Append("</div>");
                imageBuilder.Append("</div>");
            }

            return imageBuilder.ToString();
        }

        public override string ToString()
        {
            Console.WriteLine("The top is:" + top);
            Console.WriteLine("The left is:" + left);
            Console.WriteLine("The width is:" + width);
            Console.WriteLine("The height is:" + height);
            return string.Format("[{0}, {1}, {2}, {3}]", top, left, width, height);
        }
    }
}