using System;
using System.Text;
using System.IO;
using System.Reflection;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using QMAPP.Common.Web.Models;

namespace QMAPP.Common.Web.Controllers
{
    /// <summary>
    /// 打印控制
    /// </summary>
    public class PrintController : Controller
    {
        /// <summary>
        /// 模板路径
        /// </summary>
        public static string TemplatePath { get; set; }
        //
        // GET: /Print/

        #region 输出导入数据

        public ActionResult PrintHtml(PrintInfoModel model)
        {
            try
            {
                //纸张设置
                if (string.IsNullOrEmpty(model.PageName) == false)
                {
                    model.PageWidth = "0";
                    model.PageHeight = "0";
                }
                else
                {
                    model.PageName = "A4";
                    model.PageWidth = "2100";
                    model.PageHeight = "2970";
                }


                if (string.IsNullOrEmpty(model.TaskName) == true)
                    model.TaskName = "";

                model.Top = string.IsNullOrEmpty(model.Top) == true ? "0" : model.Top;
                model.Left = string.IsNullOrEmpty(model.Left) == true ? "0" : model.Left;

                model.Right = string.IsNullOrEmpty(model.Right) == true ? "0" : model.Right;
                model.Bottom = string.IsNullOrEmpty(model.Bottom) == true ? "0" : model.Bottom;

                model.BuildPrint();

                ViewResult vr = null;

                vr = new ViewResult
                {
                    ViewName = "PublicPrint",
                    MasterName = "PrintMaster",
                    ViewData = new ViewDataDictionary<PrintInfoModel>(model)
                };

                return vr;
            }
            catch (Exception ex)
            {
                return DealException(ex);
            }
        }

        #endregion

        #region 打印异常处理

        public ActionResult DealException(Exception ex)
        {
            QMFrameWork.Log.LogManager.LogHelper.Error(new QMFrameWork.Log.LogInfo
            {
                ClientIP = "",
                UserName = AccountController.GetLoginInfo().UserName,
                Info = "打印",
                ErrorInfo = ex
            });

            ViewResult vr = null;

            string msg = "";

            if (ex.Message.IndexOf("data") >= 0)
            {
                msg = "获取打印数据时出现异常。";
            }
            else
            {
                msg = ex.Message;
            }

            vr = new ViewResult
            {
                ViewName = "MsgOutput",
                MasterName = "Site",
                ViewData = new ViewDataDictionary<string>(msg)
            };

            return vr;
        }

        #endregion

        #region 向打印模板绑定信息

        public string BingInfoToTemplate<T>(string templateHtml,T info) where T : new()
        {
            Type type = null;
            try
            {
                type = typeof(T);
                PropertyInfo[] pArray = type.GetProperties();
                

                //绑定值
                foreach (var item in pArray)
                {
                    string columnName = item.Name;
                    object value = item.GetValue(info, null);//获取值

                    if (value != null)
                    {
                        templateHtml = templateHtml.Replace("@" + columnName, value.ToString());
                    }
                    else
                    {
                        templateHtml = templateHtml.Replace("@" + columnName,"");
                    }
                }

                return templateHtml;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        #endregion

        #region 获取打印模板

        /// <summary>
        /// 获取打印模板
        /// </summary>
        /// <param name="templateName">模板文件名</param>
        /// <param name="sectionName">分段名</param>
        /// <returns>打印模板</returns>
        public string GetPrintTemplate(string templateName, string sectionName)
        {
            StringBuilder sBuilder = new StringBuilder();
            string fileName = TemplatePath + templateName + ".html";
            bool isStart = false;
            bool isEnd = false;
            try
            {

                //读取模板页内容
                FileInfo file = new FileInfo(fileName);
                List<string> contentList = new List<string>();
                using (StreamReader sr = file.OpenText())
                {
                    string strLog = "";
                    strLog = sr.ReadLine();
                    while (strLog != null)
                    {
                        contentList.Add(strLog);
                        strLog = sr.ReadLine();
                    }
                }                

                //读取段落内容
                foreach (string c in contentList)
                {
                    if (c.Trim() == "<!--start_" + sectionName + "-->")
                    {
                        isStart = true;
                        continue;
                    }

                    if (c.Trim() == "<!--end_" + sectionName + "-->")
                    {
                        isEnd = true;
                        break;
                    }

                    if (isStart == true)
                    {
                        sBuilder.AppendLine(c);
                    }

                }
            }
            catch (Exception ex)
            {
                throw new Exception("获取打印模板出现异常。");
            }

            if (sBuilder.ToString() == "" || isStart == false || isEnd == false)
            {
                throw new Exception("未成功获取打印模板！");
            }

            return sBuilder.ToString();   
            
            
        }

        #endregion

    }
}