<?php

namespace app\controllers;

use Yii;
use yii\filters\AccessControl;
use yii\web\Controller;
use yii\web\Response;
use yii\filters\VerbFilter;
use app\models\LoginForm;
use app\models\ContactForm;

class IndexController extends Controller
{
    /**
     * {@inheritdoc}
     */
    public function behaviors()
    {
        return [
            'access' => [
                'class' => AccessControl::className(),
                'only' => ['logout'],
                'rules' => [
                    [
                        'actions' => ['logout'],
                        'allow' => true,
                        'roles' => ['@'],
                    ],
                ],
            ],
            'verbs' => [
                'class' => VerbFilter::className(),
                'actions' => [
                    'logout' => ['post'],
                ],
            ],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function actions()
    {
        return [
            'error' => [
                'class' => 'yii\web\ErrorAction',
            ],
            'captcha' => [
                'class' => 'yii\captcha\CaptchaAction',
                'fixedVerifyCode' => YII_ENV_TEST ? 'testme' : null,
            ],
        ];
    }

    /**
     * Displays homepage.
     *
     * @return string
     */
    public function actionIndex()
    {
        
        $analytics=$this->initializeAnalytics();
        $response = $this->getReport($analytics);
        $this->printResults($response);
        exit;
        return $this->render('index');
    }

    function initializeAnalytics()
{

  // Use the developers console and download your service account
  // credentials in JSON format. Place them in this directory or
  // change the key file location if necessary.
  $KEY_FILE_LOCATION = BASE_DIR . 'config/savvy-theory-278005-43552bf9fe94.json';

  // Create and configure a new client object.
  $client = new \Google_Client();
  $client->setApplicationName("Hello Analytics Reporting");
  $client->setAuthConfig($KEY_FILE_LOCATION);
  $client->setScopes(['https://www.googleapis.com/auth/analytics.readonly']);
  $analytics = new \Google_Service_AnalyticsReporting($client);

  return $analytics;
}

/**
 * Queries the Analytics Reporting API V4.
 *
 * @param service An authorized Analytics Reporting API V4 service object.
 * @return The Analytics Reporting API V4 response.
 */
function getReport($analytics) {

  // Replace with your view ID, for example XXXX.
  $VIEW_ID = "155703065";

  // Create the DateRange object.
  $dateRange = new \Google_Service_AnalyticsReporting_DateRange();
  $dateRange->setStartDate("7daysAgo");
  $dateRange->setEndDate("today");
  $metrics=[];
  $dimensions=[];

  // Create the Metrics object.
  $sessions = new \Google_Service_AnalyticsReporting_Metric();
  $sessions->setExpression("ga:sessions");
  $sessions->setAlias("sessions");
  array_push($metrics,$sessions);
  
//   $users = new \Google_Service_AnalyticsReporting_Metric();
//   $users->setExpression("ga:users");
//   $users->setAlias("users");
//   array_push($metrics,$users);

  //跳出率
  $bounceRate = new \Google_Service_AnalyticsReporting_Metric();
  $bounceRate->setExpression("ga:bounceRate");
  $bounceRate->setAlias("bounceRate");
  array_push($metrics,$bounceRate);

  //
  $sessionDuration = new \Google_Service_AnalyticsReporting_Metric();
  $sessionDuration->setExpression("ga:sessionDuration");
  $sessionDuration->setAlias("sessionDuration");
  array_push($metrics,$sessionDuration);
  

//   $hits = new \Google_Service_AnalyticsReporting_Metric();
//   $hits->setExpression("ga:hits");
//   $hits->setAlias("hits");
//   array_push($metrics,$hits);
  
  //交易阶段 
  $shoppingStage = new \Google_Service_AnalyticsReporting_Dimension();
  $shoppingStage->setName("ga:shoppingStage");
  array_push($dimensions,$shoppingStage);
  

  //交易次数
  $transactions = new \Google_Service_AnalyticsReporting_Metric();
  $transactions->setExpression("ga:transactions");
  $transactions->setAlias("transactions");
  array_push($metrics,$transactions);

  //电子商务转化率
  $transactionsPerSession = new \Google_Service_AnalyticsReporting_Metric();
  $transactionsPerSession->setExpression("ga:transactionsPerSession");
  $transactionsPerSession->setAlias("transactionsPerSession");
  array_push($metrics,$transactionsPerSession);
 
  $transactionRevenue = new \Google_Service_AnalyticsReporting_Metric();
  $transactionRevenue->setExpression("ga:transactionRevenue");
  $transactionRevenue->setAlias("transactionRevenue");
  array_push($metrics,$transactionRevenue);


  //
  $totalValue = new \Google_Service_AnalyticsReporting_Metric();
  $totalValue->setExpression("ga:totalValue");
  $totalValue->setAlias("totalValue");
  array_push($metrics,$totalValue);
  
  
  $itemQuantity = new \Google_Service_AnalyticsReporting_Metric();
  $itemQuantity->setExpression("ga:itemQuantity");
  $itemQuantity->setAlias("itemQuantity");
  array_push($metrics,$itemQuantity);

  $productAddsToCart = new \Google_Service_AnalyticsReporting_Metric();
  $productAddsToCart->setExpression("ga:productAddsToCart");
  $productAddsToCart->setAlias("productAddsToCart");
  array_push($metrics,$productAddsToCart);

  $productCheckouts = new \Google_Service_AnalyticsReporting_Metric();
  $productCheckouts->setExpression("ga:productCheckouts");
  $productCheckouts->setAlias("productCheckouts");
  array_push($metrics,$productCheckouts);


  // Create the ReportRequest object.
  $request = new \Google_Service_AnalyticsReporting_ReportRequest();
  $request->setViewId($VIEW_ID);
  $request->setDateRanges($dateRange);
  $request->setMetrics($metrics);
  $request->setDimensions($dimensions);

  $body = new \Google_Service_AnalyticsReporting_GetReportsRequest();
  $body->setReportRequests( array( $request) );
  return $analytics->reports->batchGet( $body );
}

/**
 * Parses and prints the Analytics Reporting API V4 response.
 *
 * @param An Analytics Reporting API V4 response.
 */
function printResults($reports) {
  for ( $reportIndex = 0; $reportIndex < count( $reports ); $reportIndex++ ) {
    $report = $reports[ $reportIndex ];

    $header = $report->getColumnHeader();
    $dimensionHeaders = $header->getDimensions();
    $metricHeaders = $header->getMetricHeader()->getMetricHeaderEntries();
    $rows = $report->getData()->getRows();


    for ( $rowIndex = 0; $rowIndex < count($rows); $rowIndex++) {
      $row = $rows[ $rowIndex ];
      $dimensions = $row->getDimensions();

      $metrics = $row->getMetrics();
      if($dimensionHeaders&&$dimensions){
        for ($i = 0; $i < count($dimensionHeaders) && $i < count($dimensions); $i++) {
            print($dimensionHeaders[$i] . ": " . $dimensions[$i] . "\n\r");
            echo"<br/>";
          }
      }
     
      if($metricHeaders&&$metrics){
        for ($j = 0; $j < count($metrics); $j++) {
            $values = $metrics[$j]->getValues();
            for ($k = 0; $k < count($values); $k++) {
              $entry = $metricHeaders[$k];
              print($entry->getName() . ": " . $values[$k] . "\n\r");
              echo"<br/>";
            }
          } 
      }
      
    }
  }
}


    /**
     * Login action.
     *
     * @return Response|string
     */
    public function actionLogin()
    {
        if (!Yii::$app->user->isGuest) {
            return $this->goHome();
        }

        $model = new LoginForm();
        if ($model->load(Yii::$app->request->post()) && $model->login()) {
            return $this->goBack();
        }

        $model->password = '';
        return $this->render('login', [
            'model' => $model,
        ]);
    }

    /**
     * Logout action.
     *
     * @return Response
     */
    public function actionLogout()
    {
        Yii::$app->user->logout();

        return $this->goHome();
    }

    /**
     * Displays contact page.
     *
     * @return Response|string
     */
    public function actionContact()
    {
        $model = new ContactForm();
        if ($model->load(Yii::$app->request->post()) && $model->contact(Yii::$app->params['adminEmail'])) {
            Yii::$app->session->setFlash('contactFormSubmitted');

            return $this->refresh();
        }
        return $this->render('contact', [
            'model' => $model,
        ]);
    }

    /**
     * Displays about page.
     *
     * @return string
     */
    public function actionAbout()
    {
        return $this->render('about');
    }
}