using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web.Mvc;

namespace Bowin.Web.Controls.Mvc
{
    public class AccordionTree : BaseControl
    {
        public string OnClick { get; set; }
        //public string IconCls { get; set; }
        private string renderCssClass { get; set; }
        private string renderDataItemCss { get; set; }
        public string DateItemCss { get; set; }
        public string DataOptions { get; set; }
        public string AccordionItemOptions { get; set; }
        public List<AccordionTreeDataItem> DataItemList { get; set; }
        public UrlHelper Url { get; set; }
        public bool? IsNormalTree { get; set; }
        public bool? IsCheckTree { get; set; }

        public override string Render()
        {
            this.renderCssClass = CssClass;
            this.renderDataItemCss = DateItemCss;

            if (IsNormalTree.HasValue && IsNormalTree.Value)
            {
                return RenderNormalTree();
            }
            else
            {
                return RenderAccordionTree();
            }
        }

        private string RenderNormalTree()
        {
            this.renderDataItemCss = this.renderCssClass;

            List<AccordionTreeDataItem> treeItem = new List<AccordionTreeDataItem>();
            string mainMnuId = Guid.NewGuid().ToString();
            treeItem.AddRange(DataItemList);
            treeItem.ForEach(x => {
                if (string.IsNullOrEmpty(x.ParentMnuId))
                {
                    x.ParentMnuId = mainMnuId;
                }
            });

            return treebind(new AccordionTreeDataItem { MnuId = mainMnuId, ParentMnuId = null });
        }

        private string RenderAccordionTree()
        {
            StringBuilder htmlBuilder = new StringBuilder();

            string attributes = "";

            attributes += string.Format(" class=\"easyui-accordion {0}\"", this.renderCssClass);

            attributes += string.Format(" data-options=\"{0}\"", DataOptions);

            htmlBuilder.AppendFormat("<div {0}>\r\n", attributes);

            var AccordionItems = DataItemList.Where(w => string.IsNullOrEmpty(w.ParentMnuId)).OrderBy(o => o.MnuOrder).ToList();

            AccordionItems.ForEach(it =>
            {
                if (it.MnuPic != null)
                {
                    htmlBuilder.AppendFormat("\t<div title='{1}' data-imgurl=\"{2}\"{3}>{0}</div>\r\n", treebind(it), it.MnuName, Url.Content(it.MnuPic), AccordionItemOptions);
                }
                else
                {
                    htmlBuilder.AppendFormat("\t<div title='{1}' data-imgurl=\"" + Url.Content("~/Content/Bowin.Control.Core/themes/metro-blue/sysImages/dot.png") + "\" {2}>{0}</div>\r\n", treebind(it), it.MnuName, AccordionItemOptions);
                }
            });

            htmlBuilder.Append("</div>");

            return htmlBuilder.ToString();
        }

        private string treebind(AccordionTreeDataItem cDataItem)
        {
            StringBuilder htmltreeBuilder = new StringBuilder();

            bool isFirstNode = string.IsNullOrWhiteSpace(cDataItem.ParentMnuId);

            var treeItems = DataItemList.Where(w => w.ParentMnuId == cDataItem.MnuId).OrderBy(o => o.MnuOrder).ToList();

            if (treeItems.Count > 0)
            {
                htmltreeBuilder.AppendFormat("<ul{0}>", isFirstNode ? string.Format(" class=\"easyui-tree {0}\" data-options=\"onClick: CMSFunction.Tree.OnClick\"", this.renderDataItemCss) : "");

                treeItems.ForEach(it =>
                {
                    string childhtml = treebind(it);
                    string treeContent = "";
                    if (IsCheckTree.HasValue && IsCheckTree.Value)
                    {
                        treeContent = string.Format("<div><input id='{3}' onclick='CMSFunction.Tree.CheckBranch();' type='checkbox' name='{2}' value='{0}'/>{1}</div>", it.MnuId, it.MnuName, this.Name, this.ID + "_" + it.MnuId);
                    }
                    else
                    {
                        if (!string.IsNullOrWhiteSpace(OnClick) && !string.IsNullOrWhiteSpace(it.MnuProgram))
                        {
                            if (it.MnuProgram.ToLower().StartsWith("http://"))
                            {
                                treeContent = string.Format("<a href=\"{0}\" style=\"text-decoration:none;\" target=\"_blank\">{1}</a>", it.MnuProgram, it.MnuName);
                            }
                            else
                            {
                                treeContent = OnClick.Replace("{MnuId}", it.MnuId).Replace("{MnuProgram}", Url.Content("~" + it.MnuProgram)).Replace("{MnuName}", it.MnuName);
                                if (it.MnuPic != null)
                                {
                                    treeContent = string.Format("<a href=\"javascript:{0}\" data-imgurl=\"{2}\" style=\"text-decoration:none;\">{1}</a>", treeContent, it.MnuName, Url.Content(it.MnuPic));
                                }
                                else
                                {
                                    treeContent = string.Format("<a href=\"javascript:{0}\" style=\"text-decoration:none;\">{1}</a>", treeContent, it.MnuName);
                                }
                            }
                        }
                        else
                        {
                            treeContent = it.MnuName;
                        }
                    }

                    htmltreeBuilder.AppendFormat("<li><span>{0}</span>{1}</li>", treeContent, childhtml);

                });

                htmltreeBuilder.Append("</ul>\r\n");
            }
            //else
            //{
            //    if (isFirstNode)
            //    {
            //        htmltreeBuilder.Append("<p>{0}</p>\r\n");
            //    }

            //}

            return htmltreeBuilder.ToString();
        }

        protected IDictionary<string, string> GetPropertyList()
        {
            var dictPropertyList = new Dictionary<string, string>();

            return dictPropertyList;
        }

        public static AccordionTree CreateControl(HtmlHelper htmlHelper, List<AccordionTreeDataItem> a_DataItemList, AccordionTreeOptions treeOptions, IDictionary<string, string> attributes = null)
        {
            AccordionTree tree = new AccordionTree();

            if (attributes != null)
            {
                tree.Attributes = attributes;
            }
            a_DataItemList = a_DataItemList ?? new List<AccordionTreeDataItem>();
            treeOptions = treeOptions ?? new AccordionTreeOptions();

            //tree.CssClass = string.IsNullOrWhiteSpace(treeOptions.CssClass) ? "easyui-accordion" : treeOptions.CssClass;
            tree.CssClass = treeOptions.CssClass;
            tree.OnClick = treeOptions.OnClick;
            //tree.IconCls = treeOptions.IconCls;
            //tree.DateItemCss = string.IsNullOrWhiteSpace(treeOptions.DateItemCss) ? "easyui-tree" : treeOptions.DateItemCss;
            tree.DateItemCss = treeOptions.DateItemCss;
            tree.DataOptions = string.IsNullOrWhiteSpace(treeOptions.DataOptions) ? "fit:true" : treeOptions.DataOptions;
            tree.AccordionItemOptions = string.IsNullOrWhiteSpace(treeOptions.AccordionItemOptions) ? "" : string.Format(" data-options='{0}'", treeOptions.AccordionItemOptions);
            tree.DataItemList = a_DataItemList;
            tree.Url = new UrlHelper(htmlHelper.ViewContext.RequestContext);
            tree.IsNormalTree = treeOptions.IsNormalTree;
            tree.IsCheckTree = treeOptions.IsCheckTree;

            return tree;
        }


    }
}