using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Web.Mvc;
using System.Web.Mvc.Html;
using Kendo.Mvc.UI;
using Kendo.Mvc.UI.Fluent;

namespace Kreta.Web.Helpers
{
    public static class TextBoxExtensions
    {
        public static TextBoxBuilder<string> KretaTextBox(this HtmlHelper helper, string name, bool enabled = true, Dictionary<string, object> htmlAttributes = null)
        {
            var tb = helper.Kendo().TextBox()
                //.Name(Guid.NewGuid().ToString())
                .Name(name)
                .Enable(enabled);

            if (htmlAttributes == null)
            {
                htmlAttributes = new Dictionary<string, object>();
            }

            htmlAttributes.Add("type", "text");
            htmlAttributes.Add("name", name);

            tb.HtmlAttributes(htmlAttributes);

            return tb;
        }

        public static TextBoxBuilder<string> KretaTextBoxFor<TModel, TValue>(this HtmlHelper<TModel> helper, Expression<Func<TModel, TValue>> expression, Dictionary<string, object> htmlAttributes = null)
        {
            var fieldName = ExpressionHelper.GetExpressionText(expression);
            var fullBindingName = helper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(fieldName);
            var metadata = ModelMetadata.FromLambdaExpression(expression, helper.ViewData);
            //  var value = metadata.Model;

            if (htmlAttributes == null)
                htmlAttributes = new Dictionary<string, object>();

            var attributes = Mapper.GetUnobtrusiveValidationAttributes(helper, expression, htmlAttributes, metadata);
            foreach (var key in attributes.Keys)
            {
                try
                {
                    if (htmlAttributes.ContainsKey(key) == false)
                    {
                        htmlAttributes.Add(key, attributes[key].ToString());
                    }
                }
                catch
                {
                }
            }

            var validationAttributes = helper.GetUnobtrusiveValidationAttributes(fullBindingName, metadata);

            bool isRequiredIf = RequiredIfReflector.RequiredIf(helper, validationAttributes);

            if (metadata.IsRequired || isRequiredIf)
            {
                htmlAttributes.Add("data-labelmsg", metadata.DisplayName + " *");
            }
            else
            {
                htmlAttributes.Add("data-labelmsg", metadata.DisplayName);
            }
            htmlAttributes.Add("type", "text");
            htmlAttributes.Add("value", metadata.Model);

            if (expression.Body is MemberExpression me && me.Member != null)
            {
                int maxLength = 0;

                MaxLengthAttribute maxLengthAttribute = me.Member.GetCustomAttributes(typeof(MaxLengthAttribute), false).Cast<MaxLengthAttribute>().FirstOrDefault();

                if (maxLengthAttribute != null)
                {
                    maxLength = maxLengthAttribute.Length;
                }
                else
                {
                    StringLengthAttribute stringLengthAttribute = me.Member.GetCustomAttributes(typeof(StringLengthAttribute), false).Cast<StringLengthAttribute>().FirstOrDefault();

                    if (stringLengthAttribute != null)
                    {
                        maxLength = stringLengthAttribute.MaximumLength;
                    }
                }

                if (maxLength > 0)
                {
                    htmlAttributes["maxlength"] = maxLength.ToString();
                }
            }

            var tb = helper.Kendo().TextBox()
                .Name(fullBindingName)
                .HtmlAttributes(htmlAttributes);

            return tb;
        }

        public static MvcHtmlString RenderSearchPanel(this TextBoxBuilder<string> helper)
        {
            string labelMsg = "";
            foreach (var item in helper.ToComponent().HtmlAttributes)
            {
                if (item.Key == "data-labelmsg" && item.Value != null)
                    labelMsg = item.Value.ToString();
            }

            StringBuilder sb = new StringBuilder();
            sb.Append("<div class=\"searchInputRowHeight\"><div>");
            sb.Append("<label class=\"searchPanelInputLabel\" for=\"").Append(helper.ToComponent().Name).Append("\">").Append(labelMsg).Append("</label>");
            sb.Append("</div><div>");
            sb.Append(helper.ToHtmlString());
            sb.Append("</div></div>");

            return new MvcHtmlString(sb.ToString());
        }

        public static MvcHtmlString RenderSearchPanelSideBar(this TextBoxBuilder<string> helper)
        {
            string labelMsg = "";
            foreach (var item in helper.ToComponent().HtmlAttributes)
            {
                if (item.Key == "data-labelmsg" && item.Value != null)
                    labelMsg = item.Value.ToString();
            }

            StringBuilder sb = new StringBuilder();
            sb.Append("<div class=\"searchPanelRow\">");
            sb.Append("<div class=\"searchPanelRowTitle\">");
            sb.Append("<label class=\"searchPanelLabel\" for=\"").Append(helper.ToComponent().Name).Append("\">").Append(labelMsg).Append("</label>");
            sb.Append("</div>");
            sb.Append("<div class=\"searchPanelRowValue\">");
            sb.Append(helper.ToHtmlString());
            sb.Append("</div>");
            sb.Append("</div>");

            return new MvcHtmlString(sb.ToString());
        }

        public static MvcHtmlString RenderWithName(this TextBoxBuilder<string> helper, int labelWidth = 6, int inputWidth = 6, bool allSizeSame = false, string tooltipResource = null, string customClass = null, bool tooltipOnControl = false, string customLabelMessage = null)
        {
            string labelMsg = "";

            if (!string.IsNullOrWhiteSpace(customLabelMessage))
            {
                labelMsg = customLabelMessage;
            }
            else
            {
                foreach (var item in helper.ToComponent().HtmlAttributes)
                {
                    if (item.Key == "data-labelmsg" && item.Value != null)
                        labelMsg = item.Value.ToString();
                }
            }

            return new MvcHtmlString(RenderWithName(labelMsg, helper, labelWidth, inputWidth, allSizeSame, tooltipResource, customClass: customClass, tooltipOnControl: tooltipOnControl));
        }

        public static MvcHtmlString RenderWithName(this TextBoxBuilder<string> helper, string label, int labelWidth = 6, int inputWidth = 6, bool allSizeSame = false, string tooltipResource = null, bool tooltipOnControl = false)
        {
            return new MvcHtmlString(RenderWithName(label, helper, labelWidth, inputWidth, allSizeSame, tooltipResource, tooltipOnControl: tooltipOnControl));
        }

        public static MvcHtmlString RenderWithBottomInfoAndName(this TextBoxBuilder<string> helper, string label, int labelWidth = 6, int inputWidth = 6, bool allSizeSame = false, string tooltipResource = null, string bottomInfo = null, bool tooltipOnControl = false)
        {
            string labelMsg = label;
            if (labelMsg == null)
            {
                foreach (var item in helper.ToComponent().HtmlAttributes)
                {
                    if (item.Key == "data-labelmsg" && item.Value != null)
                        labelMsg = item.Value.ToString();
                }
            }

            return new MvcHtmlString(RenderWithName(labelMsg, helper, labelWidth, inputWidth, allSizeSame, tooltipResource, bottomInfo, tooltipOnControl: tooltipOnControl));
        }

        public static MvcHtmlString RenderWithoutName(this TextBoxBuilder<string> helper, int inputWidth = 6, string customClass = null)
        {
            if (customClass == null)
                customClass = string.Empty;

            var sb = new StringBuilder();
            sb.AppendFormat("<div class=\"{0} {1}\">", BootsrapHelper.GetSizeClasses(inputWidth, false), customClass);

            sb.Append(helper.ToHtmlString());

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

            return new MvcHtmlString(sb.ToString());
        }

        private static string RenderWithName(string label, TextBoxBuilder<string> helper, int labelWidth = 6, int inputWidth = 6, bool allSizeSame = false, string tooltipResource = null, string bottomInfo = null, string customClass = null, bool tooltipOnControl = false)
        {
            var sb = new StringBuilder();

            if (customClass == null)
                customClass = string.Empty;

            if (string.IsNullOrWhiteSpace(tooltipResource))
                AddRenderWithNameBeginingFrame(sb, labelWidth, inputWidth, allSizeSame, helper.ToComponent().Name, label, customClass);
            else
            {
                if (!tooltipOnControl)
                {
                    AddRenderWithNameTooltipBeginingFrame(sb, labelWidth, inputWidth, allSizeSame, helper.ToComponent().Name, label, customClass, tooltipResource);
                }
                else
                {
                    AddRenderWithNameTooltipOnControlBeginingFrame(sb, labelWidth, inputWidth, allSizeSame, helper.ToComponent().Name, label, customClass, tooltipResource);
                }
            }

            sb.Append(helper.ToHtmlString());

            if (!string.IsNullOrWhiteSpace(bottomInfo))
            {
                AddRenderWithNameBottomInfo(sb, bottomInfo);
            }

            AddRenderWithNameCloseingFrame(sb);

            return sb.ToString();
        }

        private static void AddRenderWithNameBottomInfo(StringBuilder sb, string bottomInfo)
        {
            sb.AppendFormat("<div style=\"text-align: right; margin: -4px 0 4px 0; font-size: 70%;\"><span>{0}</span></div>", bottomInfo);
        }

        private static void AddRenderWithNameBeginingFrame(StringBuilder sb, int labelWidth, int inputWidth, bool allSizeSame, string controlName, string labelMsg, string customClass)
        {
            sb.AppendFormat("<div class=\"{0} {1} \">", BootsrapHelper.GetSizeClasses(labelWidth, allSizeSame), customClass);
            sb.AppendFormat("<label class=\"windowInputLabel\" for=\"{0}\">{1}</label>", controlName, labelMsg);
            sb.AppendFormat("</div><div class=\"{0} {1}\">", BootsrapHelper.GetSizeClasses(inputWidth, allSizeSame), customClass);
        }

        private static void AddRenderWithNameTooltipBeginingFrame(StringBuilder sb, int labelWidth, int inputWidth, bool allSizeSame, string controlName, string labelMsg, string customClass, string tooltipResource)
        {
            sb.AppendFormat("<div class=\"{0} {1} kretaLabelTooltip \">", BootsrapHelper.GetSizeClasses(labelWidth, allSizeSame), customClass);
            sb.AppendFormat("<label class=\"windowInputLabel\" for=\"{0}\">{1}", controlName, labelMsg);
            sb.Append("&nbsp;<img class='kretaLabelTooltipImg' />");
            sb.AppendFormat("<span class=\"kretaLabelTooltipText\">{0}</span>", tooltipResource);
            sb.Append("</label>");
            sb.AppendFormat("</div><div class=\"{0} {1}\">", BootsrapHelper.GetSizeClasses(inputWidth, allSizeSame), customClass);
        }

        private static void AddRenderWithNameTooltipOnControlBeginingFrame(StringBuilder sb, int labelWidth, int inputWidth, bool allSizeSame, string controlName, string labelMsg, string customClass, string tooltipResource)
        {
            sb.AppendFormat("<div class=\"{0} {1} kretaLabelTooltip \">", BootsrapHelper.GetSizeClasses(labelWidth, allSizeSame), customClass);
            sb.AppendFormat("<label class=\"windowInputLabel\" for=\"{0}\">{1}", controlName, labelMsg);
            sb.Append("</label>");
            sb.AppendFormat("</div><div class=\"{0} {1} kretaLabelTooltip\">", BootsrapHelper.GetSizeClasses(inputWidth, allSizeSame), customClass);
            sb.AppendFormat("<span class=\"kretaLabelTooltipText\">{0}</span>", tooltipResource);
        }

        private static void AddRenderWithNameCloseingFrame(StringBuilder sb)
        {
            sb.Append("</div>");
        }
    }
}