require('../css/information.less')
const {
  post,
  throttle,
  imageUrlPrefix,
  config,
  getUrlArgObject,
  isIe8
} = require('./promise.js');
const $ = require("jquery");
let TxtICon = require('./../images/txtIcon.png')
let VedioIcon = require('./../images/vedioIcon.png')
let currentIcon = require('./../images/icon_current.png')



if(isIe8()) {
  let reg = /undefined/g
  TxtICon = TxtICon.replace(reg, '')
  VedioIcon = VedioIcon.replace(reg, '')
  currentIcon = currentIcon.replace(reg, '')
}

const isLocal = window.location.hostname.indexOf('localhost') !=-1;
function getInfomation() {
  var param = {
    "type": getUrlArgObject('type'),
    "name": getUrlArgObject('name'),
    "position": getUrlArgObject('position')
  };
  const uname = getUrlArgObject('uname')
  const showName = param.name
  if (param.type == 5 || param.type == 51) {
    param.type = 12;
    param.name = uname;
  }
  if (param.type == 82) {
    param.position = "8";
  }
  if (param.type == 83) {
    param.position = "9";
  }

  post(config.information, param).then((res) => {
    const data = res.data.data
    document.title = showName
    var str = '';
    var anchors = '';
    var item = '';
    if (!data) {
      $("h1").html("暂时没有数据");
      $(".anchors").css("display", "none");
      return;
    }
    var list = data.details;
    
    // $("h1").css({
    //   "color": "#267FD7",
    //   "borderBottom": "4px solid  #E9E9E9",
    //   "padding": "0px 60px 50px 0px"
    // });
    if(param.type == 82 || param.type == 83){
      for (var i = 0; i < list.length; i++) {
        item = list[i];
        let contentObj = JSON.parse(item.content)
        // anchors = '<li><i></i><a href="#' + item.title +
        //   '">' + item.title + '</a></li><li class="anchor-line"></li>';
        // str = '<div class="infoBox"><div class="title"> <div class= "circleBox"><span class="circle"> <span></div> <h2 class="titleH2" id="' + item.title +
        //   '">'
        // if (getUrlArgObject('type') == 8) {
        //   str += '【' + item.title + '】'
        // } else {
        //   str += item.title
        // }
        // str += '</h2></div>' +
        //   '<div><pre>' + item.content + '</pre><div></div>';
        //   str = `<div class="infoWrapper">${str}</div>`
        // $(".infos").append(str);
        $(".anchors").css("display","none");
        // $(".anchors ul").append(anchors);
        str = `<div class="downBox">
          <p class="txtBox"><img style="top:${param.type == '82' ? '11px':'7px'}" class="downImg" src="${param.type == '82' ? TxtICon:VedioIcon}">${item.title}</p>
         <p class="sizeBox">文件大小${contentObj.size}</p>
          <div class="BtnBox"><span class="download" data-url="${contentObj.url}" data-title="${contentObj.name}">下载</span></div>
        </div>`
      }
      $(".infos").append(str);
      downLoadFile()
    }else{
      $("h1").html(showName);
      for (var i = 0; i < list.length; i++) {
        item = list[i];
        item.content = item.content.replace(/{imageUrlPrefix}/g, imageUrlPrefix);
        anchors = '<li><i></i><a href="#'+item.title.trim()+'">' + item.title + '</a></li><li class="anchor-line"></li>';
        str = '<div class="infoBox"><div class="title"> <div class= "circleBox"><span class="circle"> </span></div> <h2 class="titleH2" id="' + item.title.trim() +
          '">'
        if (getUrlArgObject('type') == 8) {
          str += '【' + item.title + '】'
        } else {
          str += item.title
        }
        str += '</h2></div>' +
          '<div class="contentWrapper"><pre>' + item.content + '</pre><div></div>';
          str = `<div class="infoWrapper">${str}</div>`
        $(".infos").append(str);
        $(".anchors ul").append(anchors);
        
      }
    }
    
    addLinkClickEvent();
    adjustHeight();
    adjustWidth()
    $('.content img').bind('contextmenu', function(){
      return false
    })
    function addScrollEvent() {
      var scrollTop = $('.infos').scrollTop()
      var divHeight = 0;
      for (var i = 0; i < list.length; i++) {
        divHeight = divHeight + parseInt($('#' + list[i].title.trim()).css('height')) + parseInt($('#' + list[i].title.trim()).parent().next().css('height')) + 30
        if (divHeight > scrollTop) {
          var anchor = 2 * (i);
          $('.anchors ul').children().eq(anchor).addClass('active').siblings().removeClass('active');
          setBackground()
          return;
        }
      }
    }
    $(".infos").scroll(throttle(addScrollEvent, 200));
  })
}
getInfomation();

function addLinkClickEvent() {
  $(".anchors ul li:first").addClass("active");
  setBackground()
  $(".anchors ul li>a").on("click", function () {
    $(".active").removeClass('active');
    $(this).parent().addClass("active");
    setBackground()
  });
}

function setBackground(){
  $(".anchors  i").css({
    background:"#E0E2E3"
  })
  $(".anchors .active i").css({
    background:`url(${currentIcon})   center center no-repeat`
  })
}

function downLoadFile() {
  $(".download").on("click", function(){
    const downUrl = $(this).attr('data-url')
    const url = isLocal ?'http://192.168.2.236:82'+downUrl + '?download=1' : 'http://'+window.location.hostname+':82'+downUrl + '?download=1'
    const downTitle = $(this).attr('data-title')
    // download(url, downTitle)
    downLoadFileIe(url, downTitle)
  })

  // var $form = $('<form method="GET"></form>');
  // $form.attr('action', url);
  // $form.appendTo($('body'));
  // $form.submit();

//     const ele = document.createElement('a');
//     ele.setAttribute('download' , 'download');//用于设置下载文件的文件名

//     ele.setAttribute('href',url); //设置下载文件的url地址


//     ele.click();


}
// function getBlob(url,cb) {
//   var xhr = new XMLHttpRequest();
//   xhr.open('GET', url, true);
//   xhr.responseType = 'blob';
//   xhr.onload = function() {
//           if (xhr.status === 200) {
//               cb(xhr.response);
//           }
//   };
//   xhr.send();
// }
// function saveAs(blob, filename) {
//   if (window.navigator.msSaveOrOpenBlob) {
//       navigator.msSaveBlob(blob, filename);
//   } else {
//       var link = document.createElement('a');
//       var body = document.querySelector('body');

//       link.href = window.URL.createObjectURL(blob);
//       link.download = filename;

//       // fix Firefox
//       link.style.display = 'none';
//       body.appendChild(link);
      
//       link.click();
//       body.removeChild(link);

//       window.URL.revokeObjectURL(link.href);
//   };
// }
// function download(url, filename){
//   getBlob(url, function(blob) {
//       saveAs(blob, filename);
//   });
// }
function adjustWidth() {
  var wt = window.innerWidth || document.documentElement.clientWidth;
  $(".titleH2").width(wt- 0.2*wt -33 - 200 - 17 - 40 -15 + 'px')
  $(".contentWrapper").width(wt- 0.2*wt -33 - 200 - 17 - 40 -15 + 'px')
}

function adjustHeight() {
  var ht = window.innerHeight || document.documentElement.clientHeight;
  $(".content").height(ht - 145 + "px");
}
$(window).on('resize', function(){
  adjustHeight()
  adjustWidth()
})


function downLoadFileIe (url, name) {
  if (!!window.ActiveXObject || "ActiveXObject" in window) {
    //ie
    var oPow = window.open(url, "", "width = 1, height = 1, top = 5000, left = 5000 ");
    var isOpen = true; //判断window.open是否被禁用
    try {
      if (oPow == null) {
        isOpen = false
      }
    } catch (err) {
      isOpen = false
    }
    if (isOpen) {
      //没禁用window.open采用window.open下载
      // while (oPow.document.readyState !== "complete") {
      //   if (oPow.document.readyState === "complete") break;
      // }
      oPow.document.execCommand("SaveAs", true, name);
      oPow.close();
    } else {
      //禁用了window.open采用iframe下载
      var oIrame = document.createElement('iframe');
      oIrame.style.width = "0px";
      oIrame.style.height = "0px";
      oIrame.style.opacity = 1;
      document.body.appendChild(oIrame)
      oIrame.src = url;
      var IfDoc = oIrame.contentDocument || oIrame.document;
      oIrame.onreadystatechange = function () { // IE下的节点都有onreadystatechange这个事件  
        if (oIrame.readyState == "complete") {
          // oIrame.execCommand("SaveAs", true, name)
          document.body.removeChild(oIrame)
        }
      };

    }

  } else {
    if (typeof url == 'object' && url instanceof Blob) {
      url = URL.createObjectURL(url); // 创建blob地址
    }
    var aLink = document.createElement('a');
    aLink.href = url;
    aLink.download = name || ''; // HTML5新增的属性，指定保存文件名，可以不要后缀，注意，file:///模式下不会生效
    var event;
    if (window.MouseEvent) {
      event = new MouseEvent('click');
    } else {
      if (document.createEvent) {
        event = document.createEvent('MouseEvents');
        event.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
      }
    }
    aLink.dispatchEvent(event);
  }
}