## @noparams
#set ( $containerManagerClass = $content.class.forName('com.atlassian.spring.container.ContainerManager') )
#set ( $getInstanceMethod = $containerManagerClass.getDeclaredMethod('getInstance',null) )
#set ( $containerManager = $getInstanceMethod.invoke(null,null) )
#set ( $containerContext = $containerManager.containerContext )
#set ( $webResourceManager = $containerContext.getComponent('webResourceManager') )
$webResourceManager.requireResource('com.atlassian.auiplugin:aui-select2')

#set ( $Integer = 0 )
#set ( $requestedSearch = "" )
#set ( $requestedSearch = $req.getParameter('requestedSearch') )
#set ( $requestedSpaces = "" )
#set ( $requestedSpaces = $req.getParameter('requestedSpaces') )
#set ( $replace = "" )
#set ( $replace = $req.getParameter('replace') )
#set ( $requestedReplace = "" )
#set ( $requestedReplace = $req.getParameter('requestedReplace') )
#set ( $escapedRequestedSearch = $generalUtil.escapeXml($requestedSearch) )
#set ( $escapedRequestedReplace = $generalUtil.escapeXml($requestedReplace) )
#set ( $requestCharacter = "?" )
#if ( $content.getUrlPath().contains("?") )
  #set ( $requestCharacter = "&" )
#end
<script>
  var qs = (function(a) {
    if (a == "") return {};
    var b = {};
    for (var i = 0; i < a.length; ++i) {
      var p=a[i].split('=', 2);
      if (p.length == 1)
        b[p[0]] = "";
      else
        b[p[0]] = decodeURIComponent(p[1].replace(/\+/g, " "));
    }
    return b;
  })(window.location.search.substr(1).split('&'));
   
  function htmlEncode (html) {
    return document.createElement('a').appendChild(document.createTextNode(html)).parentNode.innerHTML;
  }
  
  function htmlDecode (text) {
    return jQuery('<textarea/>').html(text).text();
  }

  var formatXml = this.formatXml = function (xml) {
    var reg = /(>)\s*(<)(\/*)/g;
    var wsexp = / *(.*) +\n/g;
    var contexp = /(<.+>)(.+\n)/g;
    xml = xml.replace(reg, '$1\n$2$3').replace(wsexp, '$1\n').replace(contexp, '$1\n$2');
    var pad = 0;
    var formatted = '';
    var lines = xml.split('\n');
    var indent = 0;
    var lastType = 'other';
    var transitions = {
      'single->single': 0,
      'single->closing': -1,
      'single->opening': 0,
      'single->other': 0,
      'closing->single': 0,
      'closing->closing': -1,
      'closing->opening': 0,
      'closing->other': 0,
      'opening->single': 1,
      'opening->closing': 0,
      'opening->opening': 1,
      'opening->other': 1,
      'other->single': 0,
      'other->closing': -1,
      'other->opening': 0,
      'other->other': 0
    };

    for (var i = 0; i < lines.length; i++) {
      var ln = lines[i];
      var single = Boolean(ln.match(/<.+\/>/));
      var closing = Boolean(ln.match(/<\/.+>/));
      var opening = Boolean(ln.match(/<[^!].*>/));
      var type = single ? 'single' : closing ? 'closing' : opening ? 'opening' : 'other';
      var fromTo = lastType + '->' + type;
      lastType = type;
      var padding = '';
    
      indent += transitions[fromTo];
      for (var j = 0; j < indent; j++) {
        padding += '  ';
      }
      if (fromTo == 'opening->closing')
        formatted = formatted.substr(0, formatted.length - 1) + ln + '\n';
      else
        formatted += padding + ln + '\n';
    }
    return formatted;
  };
</script>
#if ( $requestedSearch == "" )
  <form class="aui top-label" onsubmit="return false;">
    <div class="field-group top-label">
      <label for="requested-search">Enter Search Terms:</label>
      <input id="requested-search" class="text long-field" type="text" name="requestedSearch">
    </div>
    <div class="field-group">
      <input id="replace" type="checkbox" onclick="jQuery('#requested-replace').val('');jQuery('#replace-fields').toggle();">
      <span>Do Search/Replace</span>
    </div>
    <div class="field-group" id="replace-fields" style="display:none;">
      <label for="requested-replace">Text to replace:</label>
      <input id="requested-replace" class="text long-field" type="text" name="requestedReplace">
    </div>
    <script> jQuery(function() { if (document.getElementById('replace').checked) { jQuery('#replace-fields').show(); } }); </script> ## show replace field if user hits back button
    <div class="field-group">
      <label for="requestedSpaces">Spaces to search:</label>
      <select class="select" id="requestedSpaces" name="requestedSpaces" multiple>
      #set ( $allSpaces = $spaceManager.getAllSpaces() )
      #foreach ( $space in $allSpaces )
        #if ( $space.isGlobal() )
          <option value="$space.key">$space.name - $space.key</option>
        #end
      #end
    </div>
    <button class="button submit" onclick="window.location = '$content.getUrlPath()' + '${requestCharacter}requestedSearch=' + encodeURIComponent(document.getElementById('requested-search').value) + '&requestedSpaces=' + jQuery('#requestedSpaces').select2('val').join() + '&replace=' + jQuery('#replace').is(':checked') + '&requestedReplace=' + encodeURIComponent(document.getElementById('requested-replace').value);">Search</button>
  </form>
  <script>
    jQuery("#requestedSpaces").auiSelect2();
  </script>
#elseif ( $requestedSearch != "" && $replace == "false" )
  #set ( $searchTerm = $requestedSearch )
  #foreach ( $spaceKey in $requestedSpaces.split(",") )
    #set ( $space = $spaceManager.getSpace($spaceKey) )
    <p> Pages containing &quot;${escapedRequestedSearch}&quot; in $space.name </p>
    #set ( $spacePages = $pageManager.getPages($space, true) )
    <table>
      <thead>
        <tr>
          <th>
            <p>Page</p>
          </th>
          <th>
          </th>
        </tr>
      </thead>
      <tbody>
      #foreach ($page in $spacePages)
        #set ( $pageId = $page.id )
        #set ( $pageMarkup = $page.getBodyAsString() )
        #if ( $permissionHelper.canView($action.remoteUser, $page) && $pageMarkup.contains($searchTerm) )
          #set ( $quoteEscapedPageMarkup = $pageMarkup.replaceAll('"', '@@quot@@').replaceAll('&quot;', '@@quot@@') )
          <tr>
            <td style="vertical-align:middle">
              <p><a href="$action.getGlobalSettings().getBaseUrl()$page.getUrlPath()" target="_blank">$page.title</a></p>
              <input style="display:none;" class="page-checkbox" type="checkbox" id="page-$pageId" pageid="$pageId" original="$quoteEscapedPageMarkup">
            </td>
            <td>
              <button id="preview${pageId}" class="aui-button">Preview</button>
              <button class="aui-button" onclick="window.open(contextPath + '/pages/editpage.action?pageId=$pageId', '_blank');">Edit</button>
            </td>
          </tr>
        #end
      #end
      </tbody>
    </table>
  #end
  <p> </p>
  <button class="aui-button" onclick="window.location = '$content.getUrlPath()'">New Search</button>
#elseif ( $requestedSearch != "" && $replace == "true" )
  <button class="aui-button" onclick="jQuery('.page-checkbox').prop('checked', true);">Select All</button>
  <button class="aui-button" onclick="jQuery('.page-checkbox').prop('checked', false);">Select None</button>
  #set ( $searchResultCount = 0 )
  #set ( $searchTerm = $requestedSearch )
  #foreach ( $spaceKey in $requestedSpaces.split(",") )
    #set ( $space = $spaceManager.getSpace($spaceKey) )
    <p> Pages containing &quot;${escapedRequestedSearch}&quot; in $space.name </p>
    #set ( $spacePages = $pageManager.getPages($space, true) )
    <table>
      <thead>
        <colgroup> ## To prevent table from being sortable
        </colgroup>
        <tr>
          <th>
            <p>Page</p>
          </th>
          <th>
            <button class="aui-button" onclick="jQuery('.page-checkbox[space=\'$space.key\']').click();">X</button>
          </th>
          <th>
          </th>
        </tr>
      </thead>
      <tbody>
      #foreach ($page in $spacePages)
        #set ( $pageId = $page.id )
        #set ( $pageMarkup = $page.getBodyAsString() )
        #if ( $permissionHelper.canView($action.remoteUser, $page) && $pageMarkup.contains($searchTerm) )
          #set ( $searchResultCount = $searchResultCount + 1 )
          <tr>
            <td style="vertical-align:middle">
              <p><a href="$action.getGlobalSettings().getBaseUrl()$page.getUrlPath()" target="_blank">$page.title</a></p>
            </td>
            <td style="vertical-align:middle">
              #if ( $permissionHelper.canEdit($action.remoteUser, $page) )
                #set ( $replacedPageMarkup = $pageMarkup.replaceAll($requestedSearch, $requestedReplace) )
                #set ( $newPageMarkup = $replacedPageMarkup.replaceAll('"', '@@quot@@').replaceAll('&quot;', '@@quot@@') )
                #set ( $newPageMarkup = $newPageMarkup.replaceAll("&nbsp;", " ") ) ## because of some sort of bug where &nbsp; is replaced with Â
                #set ( $quoteEscapedPageMarkup = $pageMarkup.replaceAll('"', '@@quot@@').replaceAll('&quot;', '@@quot@@') )
                <input class="page-checkbox unchanged" type="checkbox" id="page-$pageId" pageid="$pageId" version="$page.version" title="$page.title" parent="$page.parent.id" space="$space.key" content="$newPageMarkup" original="$quoteEscapedPageMarkup" checked="checked">
                <span class="aui-lozenge">unchanged</span>
              #else
                <span class="aui-lozenge aui-lozenge-current">cannot edit</span>
              #end
            </td>
            <td>
              <button id="preview${pageId}" class="aui-button">Preview</button>
              <button class="aui-button" onclick="window.open(contextPath + '/pages/editpage.action?pageId=$pageId', '_blank');">Edit</button>
              <button style="display:none;" id="undo-${pageId}" class="aui-button" onclick="window.open(contextPath + '/pages/revertpagebacktoversion.action?pageId=${pageId}&version=$page.version', '_blank');">Undo</button>
            </td>
          </tr>
        #end
      #end
      </tbody>
    </table>
  #end
  <p> Found $searchResultCount results.  You are about to replace &quot;${escapedRequestedSearch}&quot; with &quot;${escapedRequestedReplace}&quot; on all selected pages.  Continue? </p>
  <p> </p>
  <button class="aui-button" onclick="replaceText()">Continue</button>
  <button class="aui-button" onclick="window.location = '$content.getUrlPath()'">New Search</button>
  <script>
    function replaceText() {
      searchReplace(jQuery(".page-checkbox.unchanged:checked").first())
    }

    function searchReplace(nextCheckbox) {
      var pageId = jQuery(nextCheckbox).attr("pageid");
      var pageObj = {
        "id": pageId,
        "type": "page",
        "title": jQuery(nextCheckbox).attr("title"),
        "space": {
          "key": jQuery(nextCheckbox).attr("space")
        },
        "body": {
          "storage": {
            "value": jQuery(nextCheckbox).attr("content").split('@@quot@@').join('"'),
            "representation": "storage"
          }
        },
        "version": {
          "number": parseInt(jQuery(nextCheckbox).attr("version")) + 1
        }
      }
      jQuery.ajax({
        dataType: "json",
        contentType: "application/json",
        type: "PUT",
        url: contextPath + "/rest/api/content/" + pageId,
        data: JSON.stringify(pageObj),
        success: function (response) {
          jQuery(nextCheckbox)
              .removeClass("unchanged")
              .addClass("changed");
          jQuery(nextCheckbox)
              .next()
              .removeClass("aui-lozenge-current")
              .removeClass("aui-lozenge-error")
              .addClass("aui-lozenge-complete")
              .html("updated");
          jQuery("#undo-" + pageObj.id).show();
          nextCheckbox = jQuery(".page-checkbox.unchanged:checked").first();
          if (nextCheckbox.length) {
            searchReplace(nextCheckbox);
          }
        },
        error: function() {
          jQuery(nextCheckbox).removeClass("unchanged").addClass("error");
          jQuery(nextCheckbox)
              .next()
              .removeClass("aui-lozenge-complete")
              .removeClass("aui-lozenge-current")
              .addClass("aui-lozenge-error")
              .html("error")
          console.log(response);
          nextCheckbox = jQuery(".page-checkbox.unchanged:checked").first();
          
          if (nextCheckbox.length) {
            searchReplace(nextCheckbox);
          }
        }
      });
    }
  </script>
#end
<script>
  var nextMatch;
  var dialogs = {};
  var requestedSearch = qs["requestedSearch"];
  var requestedReplace = qs["requestedReplace"];
  var replace = qs["replace"];
  
  if (replace !== 'true') {
    requestedReplace = requestedSearch;
  }
  if (requestedReplace === "") {
    requestedReplace = '[Blank]';
  }
  
  if (requestedSearch) {
    jQuery(".page-checkbox").each(function() {
      var pageId = jQuery(this).attr("pageid");
      dialogs[pageId] = new AJS.Dialog({
          width: 840,
          height: 640,
          id: "dialog" + pageId,
          closeOnOutsideClick: true
      });
      dialogs[pageId].addHeader("Preview");
       
      var replacedMarkup = jQuery(this)
          .attr("original")
          .split('@@quot@@')
          .join('"')
          .split(htmlDecode(requestedSearch))
          .join(' @@start@@ ' + htmlEncode(requestedReplace) + ' @@end@@ ');
      var formattedMarkup = formatXml(replacedMarkup);
      var previewMarkup = jQuery('<pre style="white-space: pre-wrap;white-space: -moz-pre-wrap;white-space: -pre-wrap;white-space: -o-pre-wrap;word-wrap: break-word;"><span>' + 
          formattedMarkup
          .split('<')
          .join('&lt;')
          .split('>')
          .join('&gt;') 
          .split(' @@start@@ ')
          .join('</span><span class="match" style="background-color: #ddfade;">')
          .split(' @@end@@ ')
          .join('</span><span>') + 
          '</span></pre>');
      dialogs[pageId].addPanel("SinglePanel", previewMarkup, "singlePanel");
      
      dialogs[pageId].addButton("Next Match", function () {
          if (!nextMatch) {
            nextMatch = jQuery(".match:visible").first();
            nextMatch.css("background-color", "yellow");
          } else {
            nextMatch.css("background-color", "#ddfade");
            nextMatch = nextMatch.next().next(".match").length ? nextMatch.next().next(".match") : jQuery(".match:visible").first();
            nextMatch.css("background-color", "yellow");
          }
          nextMatch.get(0).scrollIntoView();
      });
      
      dialogs[pageId].addButton("Close", function () {
          if (nextMatch) { 
            nextMatch.css("background-color", "#ddfade");
            nextMatch = undefined;
          }
          dialogs[pageId].hide();
      });
      
      jQuery("#preview" + pageId).click(function() {
          dialogs[pageId].gotoPage(0);
          dialogs[pageId].gotoPanel(0);
          dialogs[pageId].show();
      });
    });
  }
</script>
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