/**
*
* AdWords Script for checking the contents of landing pages.
* Goes to the final URL of keywords or ads, then searches the source code for
* user defined strings.
*
* Version: 1.0
* Google AdWords Script maintained by brainlabsdigital.com
*
**/

function main() {

  // nume proiect Playground - eg. webdgital.ro
  const accountName = "sports.woomie.ro";

  // titlu task
  const errorName = "eroare 404";

  var messagesToCheckFor = ["Pagina pe care o cautati nu exista, a fost mutata sau a fost stearsa."];
  // What out of stock messages appear on the source code of your landing pages?
  // Enter like ["Out of stock", "<em>0 available</em>"]

  var trimAtQuestionMark = true;
  // Do you want to remove all parameters which occur after the '?' character?
  // Enter true or false

  var type = "keywords";
  // Choose "keywords" or "ads"
  // Are your final URLs at the keyword or ad level?

  var recipients = ["tasks-ppc@webdigital.ro"];
  // If set, these addresses will be emailed with a list of any bad URLs.
  // Enter like ["a@b.com"] or ["a@b.com","c@d.com","e@g.co.uk"]
  // Leave as [] to skip.


  // Optional filtering options
  // Enter like ["hey", "jude"]
  // Leave as [] to skip
  var containsArray = ["WD"];
  // If set, only campaigns whose names contain these phrases will be checked

  var excludesArray = [];
  // If set, campaigns whose names contain any of these phrases will be ignored.

  var labelArray = [];
  // If set, only keywords / ads with these labels will be checked
  // Case sensitive.


  // Status options
  // Choose from ["ENABLED"] if you only want enabled entities
  // ["PAUSED"] if you only want paused entities
  // ["ENABLED","PAUSED"] if you want enabled and paused entities
  var campaignStatus = ["ENABLED"];
  // The status of the campaigns

  var adGroupStatus = ["ENABLED"];
  // The status of the ad groups

  var status = ["ENABLED"];
  // The status of the keywords / ads


  //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
  //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
  //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
  //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
  //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
  //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//



  var urls = [];
  var bad_urls = [];
  var urlFetchOptions = {muteHttpExceptions: true};
  var countEntities = 0;


  var conditions = [];
  if (containsArray.length > 0) {
    conditions.push(" where the campaign name contains " + containsArray.join(", "));
  }
  if (excludesArray.length > 0) {
    conditions.push(" where the campaign name excludes " + excludesArray.join(", "));
  }
  if (labelArray.length > 0) {
    conditions.push(" where the " + type + " are labelled " + labelArray.join(", "));
  }

  if (containsArray.length === 0) {
    containsArray.push("");
  }

  for(var i = 0; i < containsArray.length; i++){
    var string = iteratorConstructor(type, containsArray[i], excludesArray, labelArray, status, campaignStatus, adGroupStatus);
    eval(string);
    countEntities += iterator.totalNumEntities();
    excludesArray.push(containsArray[i]);
    while(iterator.hasNext()){
      var object = iterator.next();
      var url = object.urls().getFinalUrl();

      if(url == null || url == undefined){
        url = object.getDestinationUrl();
      }

      if(url !== null && url !== undefined){
        if(trimAtQuestionMark){
          url = url.split('?')[0];
        }
        if(urls.indexOf(url) === -1) {
          urls.push(url);
        }
      }
    }
  }

  if (countEntities == 0) {
    throw "No " + type + " found" + conditions.join("; and");
  }
  Logger.log(countEntities + " " + type + " found" + conditions.join("; and"));
  Logger.log(urls.length + " unique URLs to check.");

  for(var x in urls){
    var response = UrlFetchApp.fetch(urls[x],urlFetchOptions);
    var code = response.getContentText();
    for(var y = 0; y < messagesToCheckFor.length; y++){
      var message = messagesToCheckFor[y];
      if(code.indexOf(message) !== -1){
        bad_urls.push(urls[x]);
        break;
      }
    }
  }

  if (bad_urls.length === 0) {
    Logger.log("No bad URLs found.");
  } else {
    Logger.log(bad_urls.length + " found:");
    Logger.log(bad_urls.join("\n"));
  }

  if(recipients.length > 0 && bad_urls.length > 0){
    var name = AdWordsApp.currentAccount().getName();
    var subject = "Task 6, " + accountName + ", " + errorName;
    var body = 'The following URLs were found to have one of the following phrases in their web page source code. \n\nPhrases:\n"' + messagesToCheckFor.join('",\n"') + '"\n\nURLs:\n';
    body += bad_urls.join("\n");
    MailApp.sendEmail(recipients.join(","),subject,body);
    Logger.log("Email sent to " + recipients.join(", "));
  }

  function iteratorConstructor(type, containsString, excludesArray, labelArray, status, campaignStatus, adGroupStatus){

    var string = "var iterator = AdWordsApp."+type+"()";
    if (containsString != "") {
      string = string + ".withCondition('CampaignName CONTAINS_IGNORE_CASE " + '"' + containsString + '"' + "')";
    }
    for(var i = 0; i < excludesArray.length; i++){
      string = string + ".withCondition('CampaignName DOES_NOT_CONTAIN_IGNORE_CASE " + '"' + excludesArray[i] + '"' + "')";
    }
    if(labelArray.length > 0){
      string = string + ".withCondition('LabelNames CONTAINS_ANY " + '["' + labelArray.join('","') + '"]' + "')";
    }

    string = string + ".withCondition('Status IN [" + status.join(",") + "]')";
    string = string + ".withCondition('CampaignStatus IN [" + campaignStatus.join(",") + "]')";
    string = string + ".withCondition('AdGroupStatus IN [" + adGroupStatus.join(",") + "]')";
    string = string + ".orderBy('Cost DESC').forDateRange('LAST_30_DAYS')";
    string = string + ".withLimit(50000)";

    string = string + ".get();"

    return string;

  }

}