<?php

/**
 * The Helpers class provides various helper methods for the plugin.
 */
class ATKAI_Helpers {

	/**
	 * The instance of the Helpers class.
	 *
	 * @var Helpers|null
	 */
	protected static $instance = null;

	/**
	 * Get the instance of the Helpers class.
	 *
	 * @return Helpers The instance of the Helpers class.
	 */
	public static function getInstance() {
		if ( null == self::$instance ) {
			self::$instance = new self();
		}
		return self::$instance;
	}

	/**
	 * Render a view file.
	 *
	 * @param string $path The path to the view file.
	 * @param array $data The data to be passed to the view file.
	 * @param string|null $base_dir The base directory of the view file.
	 * @return string The rendered view.
	 */
	public static function view($path, $data = array(), $base_dir = null) {
		extract($data);
		ob_start();

		// If no base directory is provided, use the main plugin's path
		if (is_null($base_dir)) {
			$base_dir = plugin_dir_path(ATKAI_PLUGIN_FILE);
		}

		// Include the view file from the specified base directory
		include_once $base_dir . 'views/' . $path . '.php';

		return ob_get_clean();
	}

	/**
	 * Convert a UTC time to the local WordPress timezone.
	 *
	 * @param string $utc_time The UTC time to convert.
	 * @return string The converted time in the local WordPress timezone.
	 */
	public static function getTimeLocal( $utc_time ){
		// Get the WordPress timezone setting
		$timezone_string = get_option('timezone_string');

		// If a timezone string is set in the settings
		if ($timezone_string) {
			$timezone = new DateTimeZone($timezone_string);
		} else {
			// If no timezone string, use the UTC offset
			$offset  = get_option('gmt_offset');
			$hours   = (int) $offset;
			$minutes = ($offset - floor($offset)) * 60;
			$timezone = new DateTimeZone(sprintf('%+03d:%02d', $hours, $minutes));
		}

		// Create a DateTime object with UTC timezone
		$date = new DateTime($utc_time, new DateTimeZone('UTC'));

		// Convert it to the local WP timezone
		$date->setTimezone($timezone);

		// Return the converted time
		return $date->format('Y-m-d H:i:s');
	}

	/**
	 * Get the local format of a given time.
	 *
	 * @param string $created_time The time to format.
	 * @param string $separator The separator between date and time.
	 * @return string The formatted time in the local WordPress timezone.
	 */
	public static function getLocalFormat( $created_time, $separator = ' ' ){
		// Get the date format
		$date_format = get_option('date_format');
		$date_format = empty($date_format) ? 'Y/m/d' : $date_format;

		// Get the time format
		$time_format = get_option('time_format');
		$time_format = empty($time_format) ? 'g:i a' : $time_format;

		$full_date = mysql2date( $date_format . $separator . $time_format, $created_time ) ;

		return $full_date;
	}
}