/**
 * Created by JetBrains PhpStorm.
 * User: taoqili
 * Date: 12-2-20
 * Time: 上午11:19
 * To change this template use File | Settings | File Templates.
 */

(function () {

  var video = {},
    uploadVideoList = [],
    isModifyUploadVideo = false,
    uploadFile;

  window.onload = function () {
    $focus($G("videoUrl"));
    initTabs();
    initVideo();
    initUpload();
  };

  /* 初始化tab标签 */
  function initTabs() {
    var tabs = $G('tabHeads').children;
    for (var i = 0; i < tabs.length; i++) {
      domUtils.on(tabs[i], "click", function (e) {
        var j, bodyId, target = e.target || e.srcElement;
        for (j = 0; j < tabs.length; j++) {
          bodyId = tabs[j].getAttribute('data-content-id');
          if (tabs[j] == target) {
            domUtils.addClass(tabs[j], 'focus');
            domUtils.addClass($G(bodyId), 'focus');
          } else {
            domUtils.removeClasses(tabs[j], 'focus');
            domUtils.removeClasses($G(bodyId), 'focus');
          }
        }
      });
    }
  }

  function initVideo() {
    createAlignButton(["videoFloat", "upload_alignment"]);
    addUrlChangeListener($G("videoUrl"));
    addOkListener();

    //编辑视频时初始化相关信息
    (function () {
      var img = editor.selection.getRange().getClosedNode(), url;
      if (img && img.className) {
        var hasFakedClass = (img.className == "edui-faked-video"),
          hasUploadClass = img.className.indexOf("edui-upload-video") != -1;
        if (hasFakedClass || hasUploadClass) {
          $G("videoUrl").value = url = img.getAttribute("_url");
          $G("videoWidth").value = img.width;
          $G("videoHeight").value = img.height;
          var align = domUtils.getComputedStyle(img, "float"),
            parentAlign = domUtils.getComputedStyle(img.parentNode, "text-align");
          updateAlignButton(parentAlign === "center" ? "center" : align);
        }
        if (hasUploadClass) {
          isModifyUploadVideo = true;
        }
      }
      createPreviewVideo(url);
    })();
  }

  /**
   * 监听确认和取消两个按钮事件，用户执行插入或者清空正在播放的视频实例操作
   */
  function addOkListener() {
    dialog.onok = function () {
      $G("preview").innerHTML = "";
      var currentTab = findFocus("tabHeads", "tabSrc");
      switch (currentTab) {
        case "video":
          return insertSingle();
          break;
        case "videoSearch":
          return insertSearch("searchList");
          break;
        case "upload":
          return insertUpload();
          break;
      }
    };
    dialog.oncancel = function () {
      $G("preview").innerHTML = "";
    };
  }

  /**
   * 依据传入的align值更新按钮信息
   * @param align
   */
  function updateAlignButton(align) {
    var aligns = $G("videoFloat").children;
    for (var i = 0, ci; ci = aligns[i++];) {
      if (ci.getAttribute("name") == align) {
        if (ci.className != "focus") {
          ci.className = "focus";
        }
      } else {
        if (ci.className == "focus") {
          ci.className = "";
        }
      }
    }
  }

  /**
   * 将单个视频信息插入编辑器中
   */
  function insertSingle() {
    var width = $G("videoWidth"),
      height = $G("videoHeight"),
      url = $G('videoUrl').value,
      align = findFocus("videoFloat", "name");
    if (!url) return false;
    if (!checkNum([width, height])) return false;
    editor.execCommand('insertvideo', {
      url: convert_url(url),
      width: width.value,
      height: height.value,
      align: align
    }, isModifyUploadVideo ? 'upload' : null);
  }

  /**
   * 将元素id下的所有代表视频的图片插入编辑器中
   * @param id
   */
  function insertSearch(id) {
    var imgs = domUtils.getElementsByTagName($G(id), "img"),
      videoObjs = [];
    for (var i = 0, img; img = imgs[i++];) {
      if (img.getAttribute("selected")) {
        videoObjs.push({
          url: img.getAttribute("ue_video_url"),
          width: 420,
          height: 280,
          align: "none"
        });
      }
    }
    editor.execCommand('insertvideo', videoObjs);
  }

  /**
   * 找到id下具有focus类的节点并返回该节点下的某个属性
   * @param id
   * @param returnProperty
   */
  function findFocus(id, returnProperty) {
    var tabs = $G(id).children,
      property;
    for (var i = 0, ci; ci = tabs[i++];) {
      if (ci.className == "focus") {
        property = ci.getAttribute(returnProperty);
        break;
      }
    }
    return property;
  }

  function convert_url(url) {
    if (!url) return '';
    url = utils.trim(url)
      .replace(/v\.youku\.com\/v_show\/id_([\w\-=]+)\.html/i, 'player.youku.com/player.php/sid/$1/v.swf')
      .replace(/(www\.)?youtube\.com\/watch\?v=([\w\-]+)/i, "www.youtube.com/v/$2")
      .replace(/youtu.be\/(\w+)$/i, "www.youtube.com/v/$1")
      .replace(/v\.ku6\.com\/.+\/([\w\.]+)\.html.*$/i, "player.ku6.com/refer/$1/v.swf")
      .replace(/www\.56\.com\/u\d+\/v_([\w\-]+)\.html/i, "player.56.com/v_$1.swf")
      .replace(/www.56.com\/w\d+\/play_album\-aid\-\d+_vid\-([^.]+)\.html/i, "player.56.com/v_$1.swf")
      .replace(/v\.pps\.tv\/play_([\w]+)\.html.*$/i, "player.pps.tv/player/sid/$1/v.swf")
      .replace(/www\.letv\.com\/ptv\/vplay\/([\d]+)\.html.*$/i, "i7.imgs.letv.com/player/swfPlayer.swf?id=$1&autoplay=0")
      .replace(/www\.tudou\.com\/programs\/view\/([\w\-]+)\/?/i, "www.tudou.com/v/$1")
      .replace(/v\.qq\.com\/cover\/[\w]+\/[\w]+\/([\w]+)\.html/i, "static.video.qq.com/TPout.swf?vid=$1")
      .replace(/v\.qq\.com\/.+[\?\&]vid=([^&]+).*$/i, "static.video.qq.com/TPout.swf?vid=$1")
      .replace(/my\.tv\.sohu\.com\/[\w]+\/[\d]+\/([\d]+)\.shtml.*$/i, "share.vrs.sohu.com/my/v.swf&id=$1");

    return url;
  }

  /**
   * 检测传入的所有input框中输入的长宽是否是正数
   * @param nodes input框集合，
   */
  function checkNum(nodes) {
    for (var i = 0, ci; ci = nodes[i++];) {
      var value = ci.value;
      if (!isNumber(value) && value) {
        alert(lang.numError);
        ci.value = "";
        ci.focus();
        return false;
      }
    }
    return true;
  }

  /**
   * 数字判断
   * @param value
   */
  function isNumber(value) {
    return /(0|^[1-9]\d*$)/.test(value);
  }

  /**
   * 创建图片浮动选择按钮
   * @param ids
   */
  function createAlignButton(ids) {
    for (var i = 0, ci; ci = ids[i++];) {
      var floatContainer = $G(ci),
        nameMaps = {"none": lang['default'], "left": lang.floatLeft, "right": lang.floatRight, "center": lang.block};
      for (var j in nameMaps) {
        var div = document.createElement("div");
        div.setAttribute("name", j);
        if (j == "none") div.className = "focus";
        div.style.cssText = "background:url(images/" + j + "_focus.jpg);";
        div.setAttribute("title", nameMaps[j]);
        floatContainer.appendChild(div);
      }
      switchSelect(ci);
    }
  }

  /**
   * 选择切换
   * @param selectParentId
   */
  function switchSelect(selectParentId) {
    var selects = $G(selectParentId).children;
    for (var i = 0, ci; ci = selects[i++];) {
      domUtils.on(ci, "click", function () {
        for (var j = 0, cj; cj = selects[j++];) {
          cj.className = "";
          cj.removeAttribute && cj.removeAttribute("class");
        }
        this.className = "focus";
      })
    }
  }

  /**
   * 监听url改变事件
   * @param url
   */
  function addUrlChangeListener(url) {
    if (browser.ie) {
      url.onpropertychange = function () {
        createPreviewVideo(this.value);
      }
    } else {
      url.addEventListener("input", function () {
        createPreviewVideo(this.value);
      }, false);
    }
  }

  /**
   * 根据url生成视频预览
   * @param url
   */
  function createPreviewVideo(url) {
    if (!url) return;

    var conUrl = convert_url(url);

    conUrl = utils.unhtmlForUrl(conUrl);

    $G("preview").innerHTML = '<div class="previewMsg"><span>' + lang.urlError + '</span></div>' +
      '<embed class="previewVideo" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer"' +
      ' src="' + conUrl + '"' +
      ' width="' + 420 + '"' +
      ' height="' + 280 + '"' +
      ' wmode="transparent" play="true" loop="false" menu="false" allowscriptaccess="never" allowfullscreen="true" >' +
      '</embed>';
  }


  /* 插入上传视频 */
  function insertUpload() {
    var videoObjs = [],
      uploadDir = editor.getOpt('videoUrlPrefix'),
      width = parseInt($G('upload_width').value, 10) || 420,
      height = parseInt($G('upload_height').value, 10) || 280,
      align = findFocus("upload_alignment", "name") || 'none';
    for (var key in uploadVideoList) {
      var file = uploadVideoList[key];
      videoObjs.push({
        url: uploadDir + file.url,
        width: width,
        height: height,
        align: align
      });
    }

    var count = uploadFile.getQueueCount();
    if (count) {
      $('.info', '#queueList').html('<span style="color:red;">' + '还有2个未上传文件'.replace(/[\d]/, count) + '</span>');
      return false;
    } else {
      editor.execCommand('insertvideo', videoObjs, 'upload');
    }
  }

  /*初始化上传标签*/
  function initUpload() {
    uploadFile = new UploadFile('queueList');
  }


  /* 上传附件 */
  function UploadFile(target) {
    this.$wrap = target.constructor == String ? $('#' + target) : $(target);
    this.init();
  }

  UploadFile.prototype = {
    init: function () {
      this.fileList = [];
      this.initContainer();
      this.initUploader();
    },
    initContainer: function () {
      this.$queue = this.$wrap.find('.filelist');
    },
    /* 初始化容器 */
    initUploader: function () {
      var _this = this,
        $ = jQuery,    // just in case. Make sure it's not an other libaray.
        $wrap = _this.$wrap,
        // 图片容器
        $queue = $wrap.find('.filelist'),
        // 状态栏，包括进度和控制按钮
        $statusBar = $wrap.find('.statusBar'),
        // 文件总体选择信息。
        $info = $statusBar.find('.info'),
        // 上传按钮
        $upload = $wrap.find('.uploadBtn'),
        // 上传按钮
        $filePickerBtn = $wrap.find('.filePickerBtn'),
        // 上传按钮
        $filePickerBlock = $wrap.find('.filePickerBlock'),
        // 没选择文件之前的内容。
        $placeHolder = $wrap.find('.placeholder'),
        // 总体进度条
        $progress = $statusBar.find('.progress').hide(),
        // 添加的文件数量
        fileCount = 0,
        // 添加的文件总大小
        fileSize = 0,
        // 优化retina, 在retina下这个值是2
        ratio = window.devicePixelRatio || 1,
        // 缩略图大小
        thumbnailWidth = 113 * ratio,
        thumbnailHeight = 113 * ratio,
        // 可能有pedding, ready, uploading, confirm, done.
        state = '',
        // 所有文件的进度信息，key为file id
        percentages = {},
        supportTransition = (function () {
          var s = document.createElement('p').style,
            r = 'transition' in s ||
              'WebkitTransition' in s ||
              'MozTransition' in s ||
              'msTransition' in s ||
              'OTransition' in s;
          s = null;
          return r;
        })(),
        // WebUploader实例
        uploader,
        actionUrl = '/' + editor.getActionUrl(editor.getOpt('videoActionName')),
        fileMaxSize = editor.getOpt('videoMaxSize'),
        acceptExtensions = (editor.getOpt('videoAllowFiles') || []).join('').replace(/\./g, ',').replace(/^[,]/, '');
      ;

      if (!WebUploader.Uploader.support()) {
        $('#filePickerReady').after($('<div>').html(lang.errorNotSupport)).hide();
        return;
      } else if (!editor.getOpt('videoActionName')) {
        $('#filePickerReady').after($('<div>').html(lang.errorLoadConfig)).hide();
        return;
      }

      uploader = _this.uploader = WebUploader.create({
        pick: {
          id: '#filePickerReady',
          label: lang.uploadSelectFile
        },
        swf: '../../third-party/webuploader/Uploader.swf',
        server: actionUrl,
        fileVal: editor.getOpt('videoFieldName'),
        duplicate: true,
        fileSingleSizeLimit: fileMaxSize,
        compress: false
      });
      uploader.addButton({
        id: '#filePickerBlock'
      });
      uploader.addButton({
        id: '#filePickerBtn',
        label: lang.uploadAddFile
      });

      setState('pedding');

      // 当有文件添加进来时执行，负责view的创建
      function addFile(file) {
        var $li = $('<li id="' + file.id + '">' +
          '<p class="title">' + file.name + '</p>' +
          '<p class="imgWrap"></p>' +
          '<p class="progress"><span></span></p>' +
          '</li>'),

          $btns = $('<div class="file-panel">' +
            '<span class="cancel">' + lang.uploadDelete + '</span>' +
            '<span class="rotateRight">' + lang.uploadTurnRight + '</span>' +
            '<span class="rotateLeft">' + lang.uploadTurnLeft + '</span></div>').appendTo($li),
          $prgress = $li.find('p.progress span'),
          $wrap = $li.find('p.imgWrap'),
          $info = $('<p class="error"></p>').hide().appendTo($li),

          showError = function (code) {
            switch (code) {
              case 'exceed_size':
                text = lang.errorExceedSize;
                break;
              case 'interrupt':
                text = lang.errorInterrupt;
                break;
              case 'http':
                text = lang.errorHttp;
                break;
              case 'not_allow_type':
                text = lang.errorFileType;
                break;
              default:
                text = lang.errorUploadRetry;
                break;
            }
            $info.text(text).show();
          };

        if (file.getStatus() === 'invalid') {
          showError(file.statusText);
        } else {
          $wrap.text(lang.uploadPreview);
          if ('|png|jpg|jpeg|bmp|gif|'.indexOf('|' + file.ext.toLowerCase() + '|') == -1) {
            $wrap.empty().addClass('notimage').append('<i class="file-preview file-type-' + file.ext.toLowerCase() + '"></i>' +
              '<span class="file-title">' + file.name + '</span>');
          } else {
            if (browser.ie && browser.version <= 7) {
              $wrap.text(lang.uploadNoPreview);
            } else {
              uploader.makeThumb(file, function (error, src) {
                if (error || !src || (/^data:/.test(src) && browser.ie && browser.version <= 7)) {
                  $wrap.text(lang.uploadNoPreview);
                } else {
                  var $img = $('<img src="' + src + '">');
                  $wrap.empty().append($img);
                  $img.on('error', function () {
                    $wrap.text(lang.uploadNoPreview);
                  });
                }
              }, thumbnailWidth, thumbnailHeight);
            }
          }
          percentages[file.id] = [file.size, 0];
          file.rotation = 0;

          /* 检查文件格式 */
          if (!file.ext || acceptExtensions.indexOf(file.ext.toLowerCase()) == -1) {
            showError('not_allow_type');
            uploader.removeFile(file);
          }
        }

        file.on('statuschange', function (cur, prev) {
          if (prev === 'progress') {
            $prgress.hide().width(0);
          } else if (prev === 'queued') {
            $li.off('mouseenter mouseleave');
            $btns.remove();
          }
          // 成功
          if (cur === 'error' || cur === 'invalid') {
            showError(file.statusText);
            percentages[file.id][1] = 1;
          } else if (cur === 'interrupt') {
            showError('interrupt');
          } else if (cur === 'queued') {
            percentages[file.id][1] = 0;
          } else if (cur === 'progress') {
            $info.hide();
            $prgress.css('display', 'block');
          } else if (cur === 'complete') {
          }

          $li.removeClass('state-' + prev).addClass('state-' + cur);
        });

        $li.on('mouseenter', function () {
          $btns.stop().animate({height: 30});
        });
        $li.on('mouseleave', function () {
          $btns.stop().animate({height: 0});
        });

        $btns.on('click', 'span', function () {
          var index = $(this).index(),
            deg;

          switch (index) {
            case 0:
              uploader.removeFile(file);
              return;
            case 1:
              file.rotation += 90;
              break;
            case 2:
              file.rotation -= 90;
              break;
          }

          if (supportTransition) {
            deg = 'rotate(' + file.rotation + 'deg)';
            $wrap.css({
              '-webkit-transform': deg,
              '-mos-transform': deg,
              '-o-transform': deg,
              'transform': deg
            });
          } else {
            $wrap.css('filter', 'progid:DXImageTransform.Microsoft.BasicImage(rotation=' + (~~((file.rotation / 90) % 4 + 4) % 4) + ')');
          }

        });

        $li.insertBefore($filePickerBlock);
      }

      // 负责view的销毁
      function removeFile(file) {
        var $li = $('#' + file.id);
        delete percentages[file.id];
        updateTotalProgress();
        $li.off().find('.file-panel').off().end().remove();
      }

      function updateTotalProgress() {
        var loaded = 0,
          total = 0,
          spans = $progress.children(),
          percent;

        $.each(percentages, function (k, v) {
          total += v[0];
          loaded += v[0] * v[1];
        });

        percent = total ? loaded / total : 0;

        spans.eq(0).text(Math.round(percent * 100) + '%');
        spans.eq(1).css('width', Math.round(percent * 100) + '%');
        updateStatus();
      }

      function setState(val, files) {

        if (val != state) {

          var stats = uploader.getStats();

          $upload.removeClass('state-' + state);
          $upload.addClass('state-' + val);

          switch (val) {

            /* 未选择文件 */
            case 'pedding':
              $queue.addClass('element-invisible');
              $statusBar.addClass('element-invisible');
              $placeHolder.removeClass('element-invisible');
              $progress.hide();
              $info.hide();
              uploader.refresh();
              break;

            /* 可以开始上传 */
            case 'ready':
              $placeHolder.addClass('element-invisible');
              $queue.removeClass('element-invisible');
              $statusBar.removeClass('element-invisible');
              $progress.hide();
              $info.show();
              $upload.text(lang.uploadStart);
              uploader.refresh();
              break;

            /* 上传中 */
            case 'uploading':
              $progress.show();
              $info.hide();
              $upload.text(lang.uploadPause);
              break;

            /* 暂停上传 */
            case 'paused':
              $progress.show();
              $info.hide();
              $upload.text(lang.uploadContinue);
              break;

            case 'confirm':
              $progress.show();
              $info.hide();
              $upload.text(lang.uploadStart);

              stats = uploader.getStats();
              if (stats.successNum && !stats.uploadFailNum) {
                setState('finish');
                return;
              }
              break;

            case 'finish':
              $progress.hide();
              $info.show();
              if (stats.uploadFailNum) {
                $upload.text(lang.uploadRetry);
              } else {
                $upload.text(lang.uploadStart);
              }
              break;
          }

          state = val;
          updateStatus();

        }

        if (!_this.getQueueCount()) {
          $upload.addClass('disabled')
        } else {
          $upload.removeClass('disabled')
        }

      }

      function updateStatus() {
        var text = '', stats;

        if (state === 'ready') {
          text = lang.updateStatusReady.replace('_', fileCount).replace('_KB', WebUploader.formatSize(fileSize));
        } else if (state === 'confirm') {
          stats = uploader.getStats();
          if (stats.uploadFailNum) {
            text = lang.updateStatusConfirm.replace('_', stats.successNum).replace('_', stats.successNum);
          }
        } else {
          stats = uploader.getStats();
          text = lang.updateStatusFinish.replace('_', fileCount).replace('_KB', WebUploader.formatSize(fileSize)).replace('_', stats.successNum);

          if (stats.uploadFailNum) {
            text += lang.updateStatusError.replace('_', stats.uploadFailNum);
          }
        }

        $info.html(text);
      }

      uploader.on('fileQueued', function (file) {
        fileCount++;
        fileSize += file.size;

        if (fileCount === 1) {
          $placeHolder.addClass('element-invisible');
          $statusBar.show();
        }

        addFile(file);
      });

      uploader.on('fileDequeued', function (file) {
        fileCount--;
        fileSize -= file.size;

        removeFile(file);
        updateTotalProgress();
      });

      uploader.on('filesQueued', function (file) {
        if (!uploader.isInProgress() && (state == 'pedding' || state == 'finish' || state == 'confirm' || state == 'ready')) {
          setState('ready');
        }
        updateTotalProgress();
      });

      uploader.on('all', function (type, files) {
        switch (type) {
          case 'uploadFinished':
            setState('confirm', files);
            break;
          case 'startUpload':
            /* 添加额外的GET参数 */
            var params = utils.serializeParam(editor.queryCommandValue('serverparam')) || '',
              url = utils.formatUrl(actionUrl + (actionUrl.indexOf('?') == -1 ? '?' : '&') + 'encode=utf-8&' + params);
            uploader.option('server', url);
            setState('uploading', files);
            break;
          case 'stopUpload':
            setState('paused', files);
            break;
        }
      });

      uploader.on('uploadBeforeSend', function (file, data, header) {
        //这里可以通过data对象添加POST参数
        header['X_Requested_With'] = 'XMLHttpRequest';
      });

      uploader.on('uploadProgress', function (file, percentage) {
        var $li = $('#' + file.id),
          $percent = $li.find('.progress span');

        $percent.css('width', percentage * 100 + '%');
        percentages[file.id][1] = percentage;
        updateTotalProgress();
      });

      uploader.on('uploadSuccess', function (file, ret) {
        var $file = $('#' + file.id);
        try {
          var responseText = (ret._raw || ret),
            json = utils.str2json(responseText);
          if (json.state == 'SUCCESS') {
            uploadVideoList.push({
              'url': json.url,
              'type': json.type,
              'original': json.original
            });
            $file.append('<span class="success"></span>');
          } else {
            $file.find('.error').text(json.state).show();
          }
        } catch (e) {
          $file.find('.error').text(lang.errorServerUpload).show();
        }
      });

      uploader.on('uploadError', function (file, code) {
      });
      uploader.on('error', function (code, file) {
        if (code == 'Q_TYPE_DENIED' || code == 'F_EXCEED_SIZE') {
          addFile(file);
        }
      });
      uploader.on('uploadComplete', function (file, ret) {
      });

      $upload.on('click', function () {
        if ($(this).hasClass('disabled')) {
          return false;
        }

        if (state === 'ready') {
          uploader.upload();
        } else if (state === 'paused') {
          uploader.upload();
        } else if (state === 'uploading') {
          uploader.stop();
        }
      });

      $upload.addClass('state-' + state);
      updateTotalProgress();
    },
    getQueueCount: function () {
      var file, i, status, readyFile = 0, files = this.uploader.getFiles();
      for (i = 0; file = files[i++];) {
        status = file.getStatus();
        if (status == 'queued' || status == 'uploading' || status == 'progress') readyFile++;
      }
      return readyFile;
    },
    refresh: function () {
      this.uploader.refresh();
    }
  };

})();
