<?php
/**
 * Template renderer.
 *
 * @package HostKhata
 */

namespace HostKhata\Support;

defined( 'ABSPATH' ) || exit;

/**
 * Renders PHP templates from the plugin's `templates` folder. A theme can
 * override any template by adding the same path under `hostkhata/` in the
 * theme (or child theme) folder.
 *
 * @since 0.1.0
 */
final class View {

	/**
	 * Renders a template and returns the output.
	 *
	 * @since 0.1.0
	 *
	 * @param string               $template Path without extension, for example `portal/register-form`.
	 * @param array<string, mixed> $vars     Data for the template, available as `$vars`.
	 * @return string
	 */
	public static function render( string $template, array $vars = array() ): string {
		$template = ltrim( str_replace( array( '..', '\\' ), array( '', '/' ), $template ), '/' );
		$file     = locate_template( array( 'hostkhata/' . $template . '.php' ) );

		if ( '' === $file ) {
			$file = HOSTKHATA_PATH . 'templates/' . $template . '.php';
		}

		if ( ! is_readable( $file ) ) {
			return '';
		}

		/**
		 * Filters the template file that will be rendered.
		 *
		 * @since 0.1.0
		 *
		 * @param string $file     Absolute path.
		 * @param string $template Template name.
		 */
		$file = apply_filters( 'hostkhata_template_file', $file, $template );

		ob_start();
		( static function () use ( $file, $vars ) {
			include $file;
		} )();

		return (string) ob_get_clean();
	}
}