<?php

declare(strict_types=1);

namespace DS82\ThreeDPrintShowcase\Integrations;

use DS82\ThreeDPrintShowcase\Contracts\IntegrationInterface;
use DS82\ThreeDPrintShowcase\Core\Settings;

defined('ABSPATH') || exit;

final class IntegrationRegistry
{
    /** @var array<string,IntegrationInterface> */
    private array $integrations = [];

    public function register(IntegrationInterface $integration): void
    {
        $this->integrations[$integration->get_id()] = $integration;
    }

    public function boot(): void
    {
        $activeSelection = sanitize_key((string) Settings::get('selection_mode', 'builtin'));
        $selectionReady = isset($this->integrations[$activeSelection])
            && 'selection' === $this->integrations[$activeSelection]->get_type()
            && $this->integrations[$activeSelection]->is_available();

        foreach ($this->integrations as $integration) {
            if (!$integration->is_available()) {
                continue;
            }
            if ('selection' === $integration->get_type() && !$selectionReady) {
                if ('builtin' === $integration->get_id()) {
                    $integration->register();
                }
                continue;
            }
            if (!$this->is_enabled($integration)) {
                continue;
            }
            $integration->register();
        }
    }

    public function is_enabled(IntegrationInterface $integration): bool
    {
        return match ($integration->get_type()) {
            'selection' => $integration->get_id() === sanitize_key((string) Settings::get('selection_mode', 'builtin')),
            'material_source' => $integration->get_id() === sanitize_key((string) Settings::get('material_source', '')),
            default => true,
        };
    }

    /** @return array<string,IntegrationInterface> */
    public function all(): array
    {
        return $this->integrations;
    }

    /** @return array<string,IntegrationInterface> */
    public function by_type(string $type): array
    {
        return array_filter($this->integrations, static fn (IntegrationInterface $integration): bool => $integration->get_type() === $type);
    }

    public function ids_by_type(string $type, bool $availableOnly = true): array
    {
        $ids = [];
        foreach ($this->by_type($type) as $integration) {
            if (!$availableOnly || $integration->is_available()) {
                $ids[] = $integration->get_id();
            }
        }
        return $ids;
    }
}