using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Linq.Expressions;
using Bowin.Web.Controls.Mvc;

namespace System.Web.Mvc
{
    public static class TextBoxExtensions
    {
        public static MvcHtmlString TextBox(this HtmlHelper htmlHelper,
            TextBoxOptions textBoxOptions,
            System.Collections.Generic.IDictionary<string, string> htmlAttributes = null)
        {
            return MvcHtmlString.Create(Bowin.Web.Controls.Mvc.TextBox.CreateControl(textBoxOptions, htmlAttributes).Render());
        }

        public static MvcHtmlString TextBoxFor<TModel, TProperty>(this HtmlHelper<TModel> htmlHelper,
            Expression<Func<TModel, TProperty>> expression,
            TextBoxOptions textBoxOptions,
            System.Collections.Generic.IDictionary<string, string> htmlAttributes = null)
        {
            if (expression == null)
            {
                throw new ArgumentNullException("expression");
            }
            ModelMetadata modelMetadata = ModelMetadata.FromLambdaExpression<TModel, TProperty>(expression, htmlHelper.ViewData);

            //获取字段名称，对应标签的name
            string fullHtmlFieldName = htmlHelper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(ExpressionHelper.GetExpressionText(expression));
            textBoxOptions.ID = fullHtmlFieldName;
            textBoxOptions.Name = fullHtmlFieldName;
            textBoxOptions.Value = modelMetadata.Model;
            //TODO：针对于短日期调整  显示格式：2016-08   
            if (textBoxOptions.TextBoxType == TextBoxType.Month && textBoxOptions.Value != null)
            {
                textBoxOptions.Value = Convert.ToDateTime(modelMetadata.Model).ToString("yyyy-MM");
            }
            if (textBoxOptions.TextBoxType == TextBoxType.yyyyMMdd && textBoxOptions.Value != null)
            {
                textBoxOptions.Value = Convert.ToDateTime(modelMetadata.Model).ToString("yyyyMMdd");
            }
            //MVC验证支持
            var validateAttributes = htmlHelper.GetUnobtrusiveValidationAttributes(fullHtmlFieldName, modelMetadata);
            if (htmlAttributes == null)
            {
                htmlAttributes = new Dictionary<string, string>();
            }
            //if (textBoxOptions.TextBoxType == TextBoxType.Date || textBoxOptions.TextBoxType == TextBoxType.DateTime)
            //{
            //    //由于日期时间控件无法兼容jquery.validation验证，所以必须改为使用easyui自带方式验证，暂时只支持必填验证
            //    validateAttributes.ToList().ForEach(x => {
            //        if (x.Key == "data-val-required")
            //        {
            //            textBoxOptions.IsRequired = true;
            //            textBoxOptions.Validator.ValidType = "daterequired";
            //            textBoxOptions.Validator.InvalidMessage = x.Value.ToString();
            //            textBoxOptions.Validator.MissingMessage = x.Value.ToString();
            //        }
            //    });
            //}
            //else
            //{
            validateAttributes.ToList().ForEach(x => htmlAttributes.Add(x.Key, x.Value.ToString()));
            //}

            return MvcHtmlString.Create(Bowin.Web.Controls.Mvc.TextBox.CreateControl(textBoxOptions, htmlAttributes).Render());
        }
    }
}