<?php
/** Installed plugin identities; saved block, API and database identities stay shared. */
if (!defined('ABSPATH')) { exit; }

if (!function_exists('fqbp_edition_identities')) {
	function fqbp_edition_identities()
	{
		return [
			'pro' => ['filter-query-block-pro/filter-query-block-pro.php'],
			'free' => [
				'accomplice-query-loop-filters/accomplice-query-loop-filters.php',
				'filter-query-block/filter-query-block.php',
			],
		];
	}

	function fqbp_known_plugins($edition = null)
	{
		$identities = fqbp_edition_identities();
		return $edition === null ? array_merge(...array_values($identities)) : ($identities[$edition] ?? []);
	}

	/** Pro takes precedence within a scope; a network selection owns that scope. */
	function fqbp_selected_plugin($plugins)
	{
		foreach (fqbp_known_plugins() as $plugin) {
			if (in_array($plugin, $plugins, true)) return $plugin;
		}
		return '';
	}

	/** Evaluate ownership before constants are defined, including activation requests. */
	function fqbp_can_claim_edition($edition, $plugin, $active, $network)
	{
		if (!in_array($plugin, fqbp_known_plugins($edition), true)) return false;
		$network_plugin = fqbp_selected_plugin($network);
		if ($network_plugin !== '') return $network_plugin === $plugin;
		$selected = fqbp_selected_plugin($active);
		return $edition === 'pro' || $selected === '' || $selected === $plugin;
	}
}