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

namespace Bowin.Web.Controls.Mvc
{
    public static class UserSelectorExtensions
    {

        public static MvcHtmlString UserSelector(this System.Web.Mvc.HtmlHelper htmlHelper, UserSelectorOptions options)
        {
            Dictionary<string, string> dictProperty = new Dictionary<string, string>();
            List<string> lstClass = new List<string>();
            Dictionary<string, string> dictStyle = new Dictionary<string, string>();
            Dictionary<string, string> dictOption = new Dictionary<string, string>();
            lstClass.Add("easyui-triggerbox");
            dictProperty.Add("type", "text");

            if (!string.IsNullOrEmpty(options.ID))
            {
                dictProperty.Add("id", options.ID);
            }
            if (!string.IsNullOrEmpty(options.Name))
            {
                dictProperty.Add("name", options.Name);
            }

            if (!string.IsNullOrEmpty(options.CssClass))
            {
                lstClass.Add(options.CssClass);
            }

            if (options.Width.HasValue)
            {
                if (options.Width < 1)
                {
                    dictStyle.Add("width", options.Width.Value.ToString("#.##%"));
                }
                else
                {
                    dictStyle.Add("width", options.Width.Value + "px");
                }
            }

            //{ field: 'UserID', title: 'UserID', checkbox: true },
            //       { field: 'DepartmentName', title: '部门机构' },
            //       { field: 'LoginName', title: '登录名' },
            //       { field: 'UserName', title: '用户名' }

            UrlHelper Url = new UrlHelper(htmlHelper.ViewContext.RequestContext);
            var defualtUserInfo = "[";
            if (options.DefaultUserInfo.Count > 0)
            {
                foreach (var key in options.DefaultUserInfo.Keys)
                {
                    var values = options.DefaultUserInfo[key];
                    defualtUserInfo = string.Concat(defualtUserInfo
                        , "{'LoginID':'", values[0]
                        , "','text':'", values[1]
                        , "','value':'", values[2]
                        , "','DepartmentName':'", values[3]
                        , "','DepartmentID':'", values[4], "'},");

                }
                defualtUserInfo = defualtUserInfo.TrimEnd(',');
            }
            defualtUserInfo = string.Concat(defualtUserInfo, "]");

            var uniqueID = Guid.NewGuid().ToString().Replace("-", "");

            if (String.IsNullOrEmpty(options.afterSelectScript))
            {
                options.afterSelectScript = "function(){}";
            }

            dictOption.Add("onSearch", string.Concat("function () { var _this = this;SelectUserContorl('', ", 
                (!options.IsSingleSelect).ToString().ToLower(), ", ",
                "function (node) { ",
               // "var datas = []; ",
                //"$.each(node.rows, function () {",
                //" datas.push([{ 'text': this.UserName, 'value': this.UserID}][0]);  });",
                "var opts = $(_this).triggerbox('options');opts.data=node.rows;",
                " $(_this).triggerbox('setValue', opts.data); },'",
                Url.Content("~/").TrimEnd('/'), "'", "," + options.afterSelectScript + ",this).show();  } "));
            dictOption.Add("separator", "';'");
            //dictOption.Add("data", "[" + string.Join(",", options.Data.Select(x => "{'text': '" + x.Value + "', 'value': '" + x.Key + "'}")) + "]");
            dictOption.Add("data", defualtUserInfo);
            //dictOption.Add("clear", "function (jq) {jq.each(function () {var opts = $(this).triggerbox(\"options\");opts.data = [];$(this).triggerbox(\"setValue\", opts.data);});}");


            if (options.IsEnabled.HasValue)
            {
                dictProperty.Add("editable", "'" + options.IsEnabled.ToString().ToLower() + "'");
            }

            dictProperty.Add("class", string.Join(" ", lstClass));
            dictProperty.Add("style", string.Join(";", dictStyle.Select(x => string.Concat(x.Key, ":", x.Value))));
            dictProperty.Add("data-options", string.Join(",", dictOption.Select(x => string.Concat(x.Key, ":", x.Value))));


            string html = string.Format("<input {0} />", string.Join(" ", dictProperty.Select(x => string.Concat(x.Key, "=", "\"", x.Value, "\""))));


            return MvcHtmlString.Create(html);
        }
    }

    public class UserSelectorOptions : BaseControlOptions
    {
        public UserSelectorOptions()
        {
            IsSingleSelect = false;
        }


        public Dictionary<string, string[]> DefaultUserInfo { get; set; }
        public double? Width { get; set; }
        public bool IsSingleSelect { get; set; }
        public Dictionary<string, object> Data { get; set; }
        public string afterSelectScript { get; set; }
    }
}