<?php
/**
 * Admin menu.
 *
 * @package Consentfold
 */

declare(strict_types=1);

namespace Consentfold\Admin;

/**
 * Registers the top-level Consentfold menu entry and tells the page which screen it owns.
 */
final class Menu {

	public const SLUG = 'consentfold';

	/**
	 * Page renderer and asset loader.
	 *
	 * @var Page
	 */
	private Page $page;

	/**
	 * Constructor.
	 *
	 * @param Page $page Page renderer and asset loader.
	 */
	public function __construct( Page $page ) {
		$this->page = $page;
	}

	/**
	 * Hook the menu.
	 */
	public function register(): void {
		add_action( 'admin_menu', array( $this, 'add_menu' ) );
	}

	/**
	 * The menu icon: the logo as a one-colour SVG data URI, which WordPress tints per admin colour scheme.
	 * Falls back to a dashicon when the file cannot be read.
	 */
	private function icon(): string {
		$svg = file_get_contents( CONSENTFOLD_DIR . 'assets/images/logo.svg' ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents,WordPressVIPMinimum.Performance.FetchingRemoteData.FileGetContentsUnknown -- Local plugin file.

		if ( false === $svg ) {
			return 'dashicons-privacy';
		}

		// WordPress repaints `fill` attributes, so the brand colour is replaced by a neutral one it can swap.
		return 'data:image/svg+xml;base64,' . base64_encode( str_replace( '#6652f1', '#a7aaad', $svg ) ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode -- Required for a data URI.
	}

	/**
	 * Add the menu entry.
	 */
	public function add_menu(): void {
		$hook_suffix = add_menu_page(
			__( 'Consentfold', 'consentfold' ),
			__( 'Consentfold', 'consentfold' ),
			Capabilities::MANAGE,
			self::SLUG,
			array( $this->page, 'render' ),
			$this->icon(),
			80
		);

		if ( is_string( $hook_suffix ) ) {
			$this->page->set_hook_suffix( $hook_suffix );
		}
	}
}