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

namespace Bowin.Web.Controls.Mvc
{
    public class Uploader
    {
        public string Name { get; set; }
        public string Title { get; set; }
        public object Value { get; set; }
        public Dictionary<string, object> Attributes { get; set; }
        public FileType FileType { get; set; }
        public bool? IsEnabled { get; set; }

        public int? MaxFileSize { get; set; }

        public string UploadUrl { get; set; }

        public Uploader()
        {

        }

        public string Render(UrlHelper Url)
        {
            TagBuilder tabBuilder = new TagBuilder("fieldset");
            tabBuilder.MergeAttribute("name", Name);
            tabBuilder.MergeAttribute("data-uploader", "");
            tabBuilder.MergeAttribute("data-value", (Value ?? "").ToString());
            tabBuilder.MergeAttribute("data-type", ((int)FileType).ToString());
            tabBuilder.MergeAttribute("data-rooturl", Url.Content("~/"));
            if (this.MaxFileSize.HasValue)
            {
                tabBuilder.MergeAttribute("maxFileSize", this.MaxFileSize.Value.ToString());
            }
            if (!string.IsNullOrEmpty(UploadUrl))
            {
                tabBuilder.MergeAttribute("data-uploadurl", Url.Content(UploadUrl));
            }
            tabBuilder.MergeAttributes(Attributes);

            StringBuilder sb = new StringBuilder();
            sb.AppendLine("<legend>");
            sb.AppendFormat("<input type=\"image\" name=\"uploader_btn_add\" src=\'{1}' onclick=\"uploader_showFileDialog('{0}');return false;\" " + (IsEnabled == false ? "disabled=\"disabled\"" : "") + " />\r\n", Name, Url.Content("~/Scripts/Bowin.Control.Core/Plugins/uploadifyFile/add.png"));
            sb.AppendLine("&nbsp;" + (Title ?? "附件上传") + " </legend>");
            sb.AppendLine("<div style=\"position: relative; vertical-align: bottom;\">");
            sb.AppendLine("<ul name=\"uploader_ul\" class=\"uploader_ul\">");
            sb.AppendLine("</ul>");
            sb.AppendLine("</div>");

            tabBuilder.InnerHtml = sb.ToString();

            return tabBuilder.ToString(TagRenderMode.Normal);
        }

        public static Uploader CreateControl(uploaderOption uOption, IDictionary<string, object> attributes = null, FileType fileType = FileType.ALL)
        {
            Uploader uploader = new Uploader();

            uploader.Name = uOption.Name;
            uploader.Title = uOption.Title;
            uploader.Value = uOption.MainTableID == null ? Guid.Empty.ToString() : uOption.MainTableID;
            uploader.FileType = fileType == FileType.ALL ? uOption.FileType : fileType;
            uploader.IsEnabled = uOption.IsEnabled;
            uploader.MaxFileSize = uOption.MaxFileSize;
            uploader.UploadUrl = uOption.UploadUrl;

            return uploader;
        }
    }
}