<?php
/**
 * Catalog read model.
 *
 * Exposes the registered modules and their enabled state, plus a small
 * Pro/Free awareness flag, so views and managers can reason about the plugin
 * without touching the registries directly.
 *
 * @package Bulkora
 */

namespace Bulkora;

use Bulkora\Registries\Module_Registry;

defined( 'ABSPATH' ) || exit;

/**
 * Read-only view over the module registry and settings.
 */
class Catalog {

	/**
	 * Settings repository.
	 *
	 * @var Settings
	 */
	private $settings;

	/**
	 * Constructor.
	 *
	 * @param Settings $settings Settings repository.
	 */
	public function __construct( Settings $settings ) {
		$this->settings = $settings;
	}

	/**
	 * Every registered module, annotated with its enabled state.
	 *
	 * @return array<string, array>
	 */
	public function modules() {
		$modules = Module_Registry::all();

		foreach ( $modules as $id => $module ) {
			$modules[ $id ]['enabled'] = $this->is_module_enabled( $module );
		}

		return $modules;
	}

	/**
	 * Whether a module is enabled.
	 *
	 * @param array $module Normalised module definition.
	 * @return bool
	 */
	public function is_module_enabled( $module ) {
		$id      = isset( $module['id'] ) ? (string) $module['id'] : '';
		$default = isset( $module['default_enabled'] ) ? (bool) $module['default_enabled'] : true;

		return (bool) $this->settings->is_enabled( Settings::GROUP_MODULES, $id, $default );
	}

	/**
	 * Total / active / inactive module counts.
	 *
	 * @return array<string, int>
	 */
	public function module_counts() {
		$total  = 0;
		$active = 0;

		foreach ( Module_Registry::all() as $module ) {
			$total++;

			if ( $this->is_module_enabled( $module ) ) {
				$active++;
			}
		}

		return array(
			'total'    => $total,
			'active'   => $active,
			'inactive' => $total - $active,
		);
	}

	/**
	 * Whether the Pro plugin is present.
	 *
	 * @return bool
	 */
	public function is_pro_active() {
		/**
		 * Filter whether the Pro edition is considered active.
		 *
		 * @param bool $active Default guess based on a classic marker class.
		 */
		return (bool) apply_filters( 'bulkora_pro_active', class_exists( 'Bulkora_Pro' ) );
	}

	/**
	 * Human label for the current edition.
	 *
	 * @return string
	 */
	public function edition_label() {
		return $this->is_pro_active()
			? __( 'Pro', 'bulkora-multiple-variation-order' )
			: __( 'Free', 'bulkora-multiple-variation-order' );
	}
}