<?php

declare(strict_types=1);

/**
 * This file is part of CodeIgniter 4 framework.
 *
 * (c) CodeIgniter Foundation <admin@codeigniter.com>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace CodeIgniter\Debug\Toolbar\Collectors;

/**
 * Events collector
 */
class Events extends BaseCollector
{
    /**
     * Whether this collector has data that can
     * be displayed in the Timeline.
     *
     * @var bool
     */
    protected $hasTimeline = true;

    /**
     * Whether this collector needs to display
     * content in a tab or not.
     *
     * @var bool
     */
    protected $hasTabContent = true;

    /**
     * Whether this collector has data that
     * should be shown in the Vars tab.
     *
     * @var bool
     */
    protected $hasVarData = false;

    /**
     * The 'title' of this Collector.
     * Used to name things in the toolbar HTML.
     *
     * @var string
     */
    protected $title = 'Events';

    /**
     * Child classes should implement this to return the timeline data
     * formatted for correct usage.
     */
    protected function formatTimelineData(): array
    {
        $data = [];

        $rows = \CodeIgniter\Events\Events::getPerformanceLogs();

        foreach ($rows as $info) {
            $data[] = [
                'name'      => 'Event: ' . $info['event'],
                'component' => 'Events',
                'start'     => $info['start'],
                'duration'  => $info['end'] - $info['start'],
            ];
        }

        return $data;
    }

    /**
     * Returns the data of this collector to be formatted in the toolbar
     */
    public function display(): array
    {
        $data = [
            'events' => [],
        ];

        foreach (\CodeIgniter\Events\Events::getPerformanceLogs() as $row) {
            $key = $row['event'];

            if (! array_key_exists($key, $data['events'])) {
                $data['events'][$key] = [
                    'event'    => $key,
                    'duration' => ($row['end'] - $row['start']) * 1000,
                    'count'    => 1,
                ];

                continue;
            }

            $data['events'][$key]['duration'] += ($row['end'] - $row['start']) * 1000;
            $data['events'][$key]['count']++;
        }

        foreach ($data['events'] as &$row) {
            $row['duration'] = number_format($row['duration'], 2);
        }

        return $data;
    }

    /**
     * Gets the "badge" value for the button.
     */
    public function getBadgeValue(): int
    {
        return count(\CodeIgniter\Events\Events::getPerformanceLogs());
    }

    /**
     * Display the icon.
     *
     * Icon from https://icons8.com - 1em package
     */
    public function icon(): string
    {
        return 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEASURBVEhL7ZXNDcIwDIVTsRBH1uDQDdquUA6IM1xgCA6MwJUN2hk6AQzAz0vl0ETUxC5VT3zSU5w81/mRMGZysixbFEVR0jSKNt8geQU9aRpFmp/keX6AbjZ5oB74vsaN5lSzA4tLSjpBFxsjeSuRy4d2mDdQTWU7YLbXTNN05mKyovj5KL6B7q3hoy3KwdZxBlT+Ipz+jPHrBqOIynZgcZonoukb/0ckiTHqNvDXtXEAaygRbaB9FvUTjRUHsIYS0QaSp+Dw6wT4hiTmYHOcYZsdLQ2CbXa4ftuuYR4x9vYZgdb4vsFYUdmABMYeukK9/SUme3KMFQ77+Yfzh8eYF8+orDuDWU5LAAAAAElFTkSuQmCC';
    }
}