<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link    https://matomo.org
 * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */
namespace Piwik\Plugins\VisitFrequency\Columns\Metrics;

use Piwik\DataTable\Row;
use Piwik\Metrics\Formatter;
use Piwik\Piwik;
use Piwik\Plugin\ProcessedMetric;
/**
 * Processed metric for VisitFrequency.get API method which just copies VisitsSummary.get
 * metrics as differently named metrics.
 *
 * This metric must be supplied in order to ensure correct formatting for processed
 * metrics that are copied from VisitsSummary.get.
 */
class ReturningMetric extends ProcessedMetric
{
    private static $translations = array('avg_time_on_site_returning' => 'VisitFrequency_ColumnAverageVisitDurationForReturningVisitors', 'avg_time_on_site_new' => 'VisitFrequency_ColumnAverageVisitDurationForNewVisitors', 'nb_actions_per_visit_returning' => 'VisitFrequency_ColumnAvgActionsPerReturningVisit', 'nb_actions_per_visit_new' => 'VisitFrequency_ColumnAvgActionsPerNewVisit', 'bounce_rate_returning' => 'VisitFrequency_ColumnBounceRateForReturningVisits', 'bounce_rate_new' => 'VisitFrequency_ColumnBounceRateForNewVisits', 'nb_users_returning' => 'VisitFrequency_ColumnReturningUsers', 'nb_users_new' => 'VisitFrequency_ColumnNewUsers');
    /**
     * @var ProcessedMetric
     */
    private $wrapped;
    private $suffix;
    public function __construct(ProcessedMetric $wrapped, $suffix = '_returning')
    {
        $this->wrapped = $wrapped;
        $this->suffix = $suffix;
    }
    public function getName()
    {
        return $this->wrapped->getName() . $this->suffix;
    }
    public function getTranslatedName()
    {
        return Piwik::translate(self::$translations[$this->getName()]);
    }
    public function format($value, Formatter $formatter)
    {
        return $this->wrapped->format($value, $formatter);
    }
    public function compute(Row $row)
    {
        return 0;
        // (metric is not computed, it is copied from segmented report)
    }
    public function getDependentMetrics()
    {
        return array();
    }
    public function getSemanticType() : ?string
    {
        return $this->wrapped->getSemanticType();
    }
}
