<?php

/**
 * This file is part of the 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;

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

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

	/**
	 * Whether this collector needs to display
	 * a label or not.
	 *
	 * @var boolean
	 */
	protected $hasLabel = true;

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

	/**
	 * @var array History files
	 */
	protected $files = [];

	//--------------------------------------------------------------------

	/**
	 * Specify time limit & file count for debug history.
	 *
	 * @param integer $current Current history time
	 * @param integer $limit   Max history files
	 */
	public function setFiles(int $current, int $limit = 20)
	{
		$filenames = glob(WRITEPATH . 'debugbar/debugbar_*.json');

		$files   = [];
		$counter = 0;

		foreach (array_reverse($filenames) as $filename)
		{
			$counter++;

			// Oldest files will be deleted
			if ($limit >= 0 && $counter > $limit)
			{
				unlink($filename);
				continue;
			}

			// Get the contents of this specific history request
			$contents = file_get_contents($filename);

			$contents = @json_decode($contents);
			if (json_last_error() === JSON_ERROR_NONE)
			{
				preg_match_all('/\d+/', $filename, $time);
				$time = (int) end($time[0]);

				// Debugbar files shown in History Collector
				$files[] = [
					'time'        => $time,
					'datetime'    => date('Y-m-d H:i:s', $time),
					'active'      => $time === $current,
					'status'      => $contents->vars->response->statusCode,
					'method'      => $contents->method,
					'url'         => $contents->url,
					'isAJAX'      => $contents->isAJAX ? 'Yes' : 'No',
					'contentType' => $contents->vars->response->contentType,
				];
			}
		}

		$this->files = $files;
	}

	//--------------------------------------------------------------------

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

	//--------------------------------------------------------------------

	/**
	 * Displays the number of included files as a badge in the tab button.
	 *
	 * @return integer
	 */
	public function getBadgeValue(): int
	{
		return count($this->files);
	}

	/**
	 * Return true if there are no history files.
	 *
	 * @return boolean
	 */
	public function isEmpty(): bool
	{
		return empty($this->files);
	}

	//--------------------------------------------------------------------

	/**
	 * Display the icon.
	 *
	 * Icon from https://icons8.com - 1em package
	 *
	 * @return string
	 */
	public function icon(): string
	{
		return 'data:image/png;base64,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';
	}
}