using Learun.Util;
using Learun.Util.Ueditor;
using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Linq;
using System.Web.Mvc;
using Learun.Application.OA;

namespace Learun.Application.Web.Controllers
{
    /// <summary>
    /// 版 本 Learun-ADMS-Ultimate V7.0.0 数字化智慧校园 
    /// Copyright (c) 2013-2018 北京泉江科技有限公司 
    /// 创建人：陈彬彬
    /// 日 期：2017.03.07
    /// 描 述：通用控制器,处理通用的接口
    /// </summary>
    [HandlerLogin(FilterMode.Ignore)]
    public class UtilityController : MvcControllerBase
    {
        private NoticeIBLL noticeIBLL = new NoticeBLL();
        #region  选择图标
        /// <summary>
        /// 图标的选择
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        [HandlerLogin(FilterMode.Enforce)]
        public ActionResult Icon()
        {
            return View();
        }
        /// <summary>
        /// 移动图标的选择
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        [HandlerLogin(FilterMode.Enforce)]
        public ActionResult AppIcon()
        {
            return View();
        }
        #endregion

        #region  百度编辑器的后端接口
        /// <summary>
        /// 百度编辑器的后端接口
        /// </summary>
        /// <param name="action">执行动作</param>
        /// <returns></returns>
        public ActionResult UEditor()
        {
            string action = Request["action"];

            switch (action)
            {
                case "config":
                    return Content(UeditorConfig.Items.ToJson());
                case "uploadimage":
                    return UEditorUpload(new UeditorUploadConfig()
                    {
                        AllowExtensions = UeditorConfig.GetStringList("imageAllowFiles"),
                        PathFormat = UeditorConfig.GetString("imagePathFormat"),
                        SizeLimit = UeditorConfig.GetInt("imageMaxSize"),
                        UploadFieldName = UeditorConfig.GetString("imageFieldName")
                    });
                case "uploadscrawl":
                    return UEditorUpload(new UeditorUploadConfig()
                    {
                        AllowExtensions = new string[] { ".png" },
                        PathFormat = UeditorConfig.GetString("scrawlPathFormat"),
                        SizeLimit = UeditorConfig.GetInt("scrawlMaxSize"),
                        UploadFieldName = UeditorConfig.GetString("scrawlFieldName"),
                        Base64 = true,
                        Base64Filename = "scrawl.png"
                    });
                case "uploadvideo":
                    return UEditorUpload(new UeditorUploadConfig()
                    {
                        AllowExtensions = UeditorConfig.GetStringList("videoAllowFiles"),
                        PathFormat = UeditorConfig.GetString("videoPathFormat"),
                        SizeLimit = UeditorConfig.GetInt("videoMaxSize"),
                        UploadFieldName = UeditorConfig.GetString("videoFieldName")
                    });
                case "uploadfile":
                    return UEditorUpload(new UeditorUploadConfig()
                    {
                        AllowExtensions = UeditorConfig.GetStringList("fileAllowFiles"),
                        PathFormat = UeditorConfig.GetString("filePathFormat"),
                        SizeLimit = UeditorConfig.GetInt("fileMaxSize"),
                        UploadFieldName = UeditorConfig.GetString("fileFieldName")
                    });
                case "listimage":
                    return ListFileManager(UeditorConfig.GetString("imageManagerListPath"), UeditorConfig.GetStringList("imageManagerAllowFiles"));
                case "listfile":
                    return ListFileManager(UeditorConfig.GetString("fileManagerListPath"), UeditorConfig.GetStringList("fileManagerAllowFiles"));
                case "catchimage":
                    //return CrawlerHandler();存在漏洞
                    return Content(new
                    {
                        state = "action 参数为空或者 action 不被支持。"
                    }.ToJson());
                default:
                    return Content(new
                    {
                        state = "action 参数为空或者 action 不被支持。"
                    }.ToJson());
            }
        }
        /// <summary>
        /// 百度编辑器的文件上传
        /// </summary>
        /// <param name="uploadConfig">上传配置信息</param>
        /// <returns></returns>
        public ActionResult UEditorUpload(UeditorUploadConfig uploadConfig)
        {
            UeditorUploadResult result = new UeditorUploadResult() { State = UeditorUploadState.Unknown };

            byte[] uploadFileBytes = null;
            string uploadFileName = null;

            if (uploadConfig.Base64)
            {
                uploadFileName = uploadConfig.Base64Filename;
                uploadFileBytes = Convert.FromBase64String(Request[uploadConfig.UploadFieldName]);
            }
            else
            {
                var file = Request.Files[uploadConfig.UploadFieldName];
                uploadFileName = file.FileName;

                if (!CheckFileType(uploadConfig, uploadFileName))
                {
                    return Content(new
                    {
                        state = GetStateMessage(UeditorUploadState.TypeNotAllow)
                    }.ToJson());
                }
                if (!CheckFileSize(uploadConfig, file.ContentLength))
                {
                    return Content(new
                    {
                        state = GetStateMessage(UeditorUploadState.SizeLimitExceed)
                    }.ToJson());
                }

                uploadFileBytes = new byte[file.ContentLength];
                try
                {
                    file.InputStream.Read(uploadFileBytes, 0, file.ContentLength);
                }
                catch (Exception)
                {
                    return Content(new
                    {
                        state = GetStateMessage(UeditorUploadState.NetworkError)
                    }.ToJson());
                }
            }

            result.OriginFileName = uploadFileName;

            var savePath = UeditorPathFormatter.Format(uploadFileName, uploadConfig.PathFormat);
            var localPath = Server.MapPath(savePath).Replace("\\Utility\\", "\\ueditor\\");// +"/ueditor/net";
            try
            {
                if (!Directory.Exists(Path.GetDirectoryName(localPath)))
                {
                    Directory.CreateDirectory(Path.GetDirectoryName(localPath));
                }
                System.IO.File.WriteAllBytes(localPath, uploadFileBytes);
                result.Url = savePath;
                result.State = UeditorUploadState.Success;
            }
            catch (Exception e)
            {
                result.State = UeditorUploadState.FileAccessError;
                result.ErrorMessage = e.Message;
            }

            return Content(new
            {
                state = GetStateMessage(result.State),
                url = result.Url,
                title = result.OriginFileName,
                original = result.OriginFileName,
                error = result.ErrorMessage
            }.ToJson());
        }
        /// <summary>
        /// 百度编辑器的文件列表管理
        /// </summary>
        /// <param name="pathToList">文件列表目录</param>
        /// <param name="searchExtensions">扩展名</param>
        /// <returns></returns>
        public ActionResult ListFileManager(string pathToList, string[] searchExtensions)
        {
            int Start;
            int Size;
            int Total;
            String[] FileList;
            String[] SearchExtensions;
            SearchExtensions = searchExtensions.Select(x => x.ToLower()).ToArray();
            try
            {
                Start = String.IsNullOrEmpty(Request["start"]) ? 0 : Convert.ToInt32(Request["start"]);
                Size = String.IsNullOrEmpty(Request["size"]) ? UeditorConfig.GetInt("imageManagerListSize") : Convert.ToInt32(Request["size"]);
            }
            catch (FormatException)
            {
                return Content(new
                {
                    state = "参数不正确",
                    start = 0,
                    size = 0,
                    total = 0
                }.ToJson());
            }
            var buildingList = new List<String>();
            try
            {
                var localPath = Server.MapPath(pathToList).Replace("\\Utility\\", "\\ueditor\\");
                buildingList.AddRange(Directory.GetFiles(localPath, "*", SearchOption.AllDirectories)
                    .Where(x => SearchExtensions.Contains(Path.GetExtension(x).ToLower()))
                    .Select(x => pathToList + x.Substring(localPath.Length).Replace("\\", "/")));
                Total = buildingList.Count;
                FileList = buildingList.OrderBy(x => x).Skip(Start).Take(Size).ToArray();
            }
            catch (UnauthorizedAccessException)
            {
                return Content(new
                {
                    state = "文件系统权限不足",
                    start = 0,
                    size = 0,
                    total = 0
                }.ToJson());
            }
            catch (DirectoryNotFoundException)
            {
                return Content(new
                {
                    state = "路径不存在",
                    start = 0,
                    size = 0,
                    total = 0
                }.ToJson());
            }
            catch (IOException)
            {
                return Content(new
                {
                    state = "文件系统读取错误",
                    start = 0,
                    size = 0,
                    total = 0
                }.ToJson());
            }

            return Content(new
            {
                state = "SUCCESS",
                list = FileList == null ? null : FileList.Select(x => new { url = x }),
                start = Start,
                size = Size,
                total = Total
            }.ToJson());
        }

        public ActionResult CrawlerHandler()
        {
            string[] sources = Request.Form.GetValues("source[]");
            if (sources == null || sources.Length == 0)
            {
                return Content(new
                {
                    state = "参数错误：没有指定抓取源"
                }.ToJson());
            }

            UeditorCrawler[] crawlers = sources.Select(x => new UeditorCrawler(x).Fetch()).ToArray();
            return Content(new
            {
                state = "SUCCESS",
                list = crawlers.Select(x => new
                {
                    state = x.State,
                    source = x.SourceUrl,
                    url = x.ServerUrl
                })
            }.ToJson());
        }
        private string GetStateMessage(UeditorUploadState state)
        {
            switch (state)
            {
                case UeditorUploadState.Success:
                    return "SUCCESS";
                case UeditorUploadState.FileAccessError:
                    return "文件访问出错，请检查写入权限";
                case UeditorUploadState.SizeLimitExceed:
                    return "文件大小超出服务器限制";
                case UeditorUploadState.TypeNotAllow:
                    return "不允许的文件格式";
                case UeditorUploadState.NetworkError:
                    return "网络错误";
            }
            return "未知错误";
        }
        /// <summary>
        /// 检测是否符合上传文件格式
        /// </summary>
        /// <param name="uploadConfig">配置信息</param>
        /// <param name="filename">文件名字</param>
        /// <returns></returns>
        private bool CheckFileType(UeditorUploadConfig uploadConfig, string filename)
        {
            var fileExtension = Path.GetExtension(filename).ToLower();
            var res = false;
            foreach (var item in uploadConfig.AllowExtensions)
            {
                if (item == fileExtension)
                {
                    res = true;
                    break;
                }
            }
            return res;
        }
        /// <summary>
        /// 检测是否符合上传文件大小
        /// </summary>
        /// <param name="uploadConfig">配置信息</param>
        /// <param name="size">文件大小</param>
        /// <returns></returns>
        private bool CheckFileSize(UeditorUploadConfig uploadConfig, int size)
        {
            return size < uploadConfig.SizeLimit;
        }


        #endregion

        #region  导出Excel
        /// <summary>
        /// 请选择要导出的字段页面
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        [HandlerLogin(FilterMode.Enforce)]
        public ActionResult ExcelExportForm()
        {
            return View();
        }
        [HttpPost, ValidateInput(false)]
        public void ExportExcel(string fileName, string columnJson, string dataJson, string exportField)
        {
            //设置导出格式
            ExcelConfig excelconfig = new ExcelConfig();
            excelconfig.Title = Server.UrlDecode(fileName);
            excelconfig.TitleFont = "微软雅黑";
            excelconfig.TitlePoint = 15;
            excelconfig.FileName = Server.UrlDecode(fileName) + ".xls";
            excelconfig.IsAllSizeColumn = true;
            excelconfig.ColumnEntity = new List<ColumnModel>();
            //表头
            List<jfGridModel> columnList = columnJson.ToList<jfGridModel>();
            //行数据
            DataTable rowData = dataJson.ToTable();
            //写入Excel表头
            Dictionary<string, string> exportFieldMap = new Dictionary<string, string>();
            if (!string.IsNullOrEmpty(exportField))
            {
                string[] exportFields = exportField.Split(',');
                foreach (var field in exportFields)
                {
                    if (!exportFieldMap.ContainsKey(field))
                    {
                        exportFieldMap.Add(field, "1");
                    }
                }
            }
          
            foreach (jfGridModel columnModel in columnList)
            {
                if (exportFieldMap.ContainsKey(columnModel.name) || string.IsNullOrEmpty(exportField))
                {
                    excelconfig.ColumnEntity.Add(new ColumnModel()
                    {
                        Column = columnModel.name,
                        ExcelColumn = columnModel.label,
                        Alignment = columnModel.align,
                    });
                }
            }
            ExcelHelper.ExcelDownload(rowData, excelconfig);
        }
        #endregion

        #region  列表选择弹层
        /// <summary>
        /// 列表选择弹层
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        [HandlerLogin(FilterMode.Enforce)]
        public ActionResult GirdSelectIndex()
        {
            return View();
        }
        #endregion

        #region  树形选择弹层
        /// <summary>
        /// 列表选择弹层
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        [HandlerLogin(FilterMode.Enforce)]
        public ActionResult TreeSelectIndex()
        {
            return View();
        }
        #endregion

        #region  加载js和css文件
        /// <summary>
        /// 列表选择弹层
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        public ActionResult JsCss(string plugins)
        {
            Dictionary<string,JssCssModel> list = new Dictionary<string,JssCssModel>();
            string[] pluginArray = plugins.Split(',');
            foreach (var item in pluginArray) {
                GetJssCss(item,list);
            }
            return JsonResult(list);
        }
        /// <summary>
        /// 获取js和css文件值
        /// </summary>
        /// <param name="name"></param>
        /// <param name="list"></param>
        private void GetJssCss(string name, Dictionary<string, JssCssModel> list)
        {
            JssCssModel model = new JssCssModel();
            switch (name) {
                case "jquery":
                    model.js = JsCssHelper.Read("/Content/jquery/jquery-1.10.2.min.js");
                    break;
                case "cookie":
                    model.js = JsCssHelper.Read("/Content/jquery/plugin/jquery.cookie.min.js");
                    break;
                case "md5":
                    model.js = JsCssHelper.Read("/Content/jquery/jquery.md5.min.js");
                    break;
                case "scrollbar":
                    model.css = JsCssHelper.Read("/Content/jquery/plugin/scrollbar/jquery.mCustomScrollbar.min.css");
                    model.js = JsCssHelper.Read("/Content/jquery/plugin/scrollbar/jquery.mCustomScrollbar.concat.min.js");
                    break;
                case "toastr":
                    model.css = JsCssHelper.Read("/Content/jquery/plugin/toastr/toastr.css");
                    model.js = JsCssHelper.Read("/Content/jquery/plugin/toastr/toastr.min.js");
                    break;
                case "bootstrap":
                    model.css = JsCssHelper.Read("/Content/bootstrap/bootstrap.min.css");
                    model.js = JsCssHelper.Read("/Content/bootstrap/bootstrap.min.js");
                    break;
                case "layer":
                    model.css = JsCssHelper.Read("/Content/bootstrap/bootstrap.min.css");
                    model.js = JsCssHelper.Read("/Content/bootstrap/bootstrap.min.js");
                    break;
                case "jqprint":
                    break;
                case "wdatePicker":
                    break;
                case "syntaxhighlighter":
                    break;

                case "fontAwesome":
                    break;
                case "iconfont":
                    break;

                case "common":
                    break;
                case "base":
                    break;
                case "tabs":
                    break;
                case "date":
                    break;
                case "validator-helper":
                    break;
                case "lrlayer":
                    break;
                case "ajax":
                    break;
                case "clientdata":
                    break;
                case "iframe":
                    break;
                case "validator":
                    break;
                case "layout":
                    break;
                case "tree":
                    break;
                case "select":
                    break;
                case "formselect":
                    break;
                case "layerselect":
                    break;
                case "jfgrid":
                    break;
                case "wizard":
                    break;
                case "timeline":
                    break;
                case "datepicker":
                    break;
                case "uploader":
                    break;
                case "excel":
                    break;
                case "authorize":
                    break;
                case "custmerform":
                    break;
                case "workflow":
                    break;
                case "form":
                    break;

            }
        }
        private class JssCssModel {
            /// <summary>
            /// js 代码
            /// </summary>
            public string js { get; set; }
            /// <summary>
            /// css 代码
            /// </summary>
            public string css { get; set; }
            /// <summary>
            /// 版本号
            /// </summary>
            public string ver { get; set; }
        }

        #endregion

        #region  自定义表单
        /// <summary>
        /// 表单预览
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        public ActionResult PreviewForm()
        {
            return View();
        }
        /// <summary>
        /// 编辑表格
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        public ActionResult EditGridForm()
        {
            return View();
        }

        #endregion

        #region  jfgrid弹层选择
        /// <summary>
        /// 列表选择弹层
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        [HandlerLogin(FilterMode.Enforce)]
        public ActionResult JfGirdLayerForm()
        {
            return View();
        }
        #endregion

        #region  桌面消息列表详情查看
        [HttpGet]
        public ActionResult ListContentView(string keyValue)
        {
            var data = noticeIBLL.GetEntity(keyValue);
            data.F_NewsContent = WebHelper.HtmlDecode(data.F_NewsContent);
            return Content(data.F_NewsContent);
        }
        /// <summary>
        /// 桌面消息列表详情查看
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        public ActionResult ListContentIndex()
        {
            return View();
        }
        #endregion

        #region  开发向导
        /// <summary>
        /// pc端开发向导
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        [HandlerLogin(FilterMode.Enforce)]
        public ActionResult PCDevGuideIndex()
        {
            return View();
        }

        /// <summary>
        /// 移动端开发向导
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        [HandlerLogin(FilterMode.Enforce)]
        public ActionResult AppDevGuideIndex()
        {
            return View();
        }
        #endregion
    }
}