<?php
/**
 * IMPORTANT NOTE
 *
 * This file uses a global namespace since we will share it on all plugins.
 */

// Only include these methods if they are not available already.
if ( ! function_exists( 'tribe_get_php_min_version' ) ) {

	/**
	 * Compares a given version to the required PHP version.
	 *
	 * Normally we use Constant: PHP_VERSION.
	 *
	 * @param string $version Which PHP version we are checking against.
	 *
	 * @return bool
	 */
	function tribe_is_not_min_php_version( $version = PHP_VERSION ) {
		return version_compare( $version, tribe_get_php_min_version(), '<' );
	}

	/**
	 * Which is our required PHP min version.
	 *
	 * @since 4.5.5
	 *
	 * @return string
	 */
	function tribe_get_php_min_version() {
		return '5.6';
	}

	/**
	 * Returns the error message when php version min doesn't check.
	 *
	 * @since 4.5.5
	 *
	 * @return string
	 */
	function tribe_not_php_version_message() {
		$names          = tribe_not_php_version_names();
		$count_names    = count( $names );
		$last_connector = esc_html_x( ' and ', 'Plugin A "and" Plugin B', 'advanced-post-manager' );
		$many_connector = esc_html_x( ', ', 'Plugin A"," Plugin B', 'advanced-post-manager' );

		if ( 1 === $count_names ) {
			$label_names = current( $names );
		} elseif ( 2 === $count_names ) {
			$label_names = current( $names ) . $last_connector . end( $names );
		} else {
			$last_name   = array_pop( $names );
			$label_names = implode( $many_connector, $names ) . $last_connector . $last_name;
		}

		return wp_kses_post(
			sprintf(
				/* translators: 1: Plugin name, 2: Required PHP version */
				__( '<b>%1$s</b> requires <b>PHP %2$s</b> or higher.', 'advanced-post-manager' ),
				esc_html( $label_names ),
				tribe_get_php_min_version()
			)
		) .
			'<br />' .
			esc_html__( 'To allow better control over dates, advanced security improvements and performance gain.', 'advanced-post-manager' ) .
			'<br />' .
			esc_html(
				sprintf(
					/* translators: 1: Required PHP version */
					__( 'Contact your Hosting or your system administrator and ask to Upgrade to version %1$s of PHP.', 'advanced-post-manager' ),
					tribe_get_php_min_version()
				)
			);
	}

	/**
	 * Fetches the name of the plugins that are not compatible with current PHP version.
	 *
	 * @since 4.5.5
	 *
	 * @return array
	 */
	function tribe_not_php_version_names() {
		/**
		 * Allow us to include more plugins without increasing the number of notices.
		 *
		 * @since 4.5.5
		 *
		 * @param array $names Name of the plugins that are not compatible.
		 */
		return apply_filters( 'tribe_not_php_version_names', [] );
	}

	/**
	 * Echoes out the error for the PHP min version as a WordPress admin Notice.
	 *
	 * @since 4.5.5
	 *
	 * @return void
	 */
	function tribe_not_php_version_notice() {
		echo '<div id="message" class="error"><p>' . wp_kses_post( tribe_not_php_version_message() ) . '</p></div>';
	}

	/**
	 * Loads the Text domain for non-compatible PHP versions.
	 *
	 * @since 4.5.5
	 *
	 * @param string $domain Which domain we will try to translate to.
	 * @param string $file   Where to look for the lang folder.
	 *
	 * @return void
	 */
	function tribe_not_php_version_textdomain( $domain, $file ) {
		load_plugin_textdomain(
			$domain,
			false,
			plugin_basename( $file ) . DIRECTORY_SEPARATOR . 'lang' . DIRECTORY_SEPARATOR
		);
	}

}