<?php

declare(strict_types=1);

namespace App\Concerns\Models;

use App\Contracts\Models\HasResources;
use App\Enums\Models\Wiki\ResourceSite;
use App\Models\BaseModel;
use App\Models\Wiki\ExternalResource;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Uri;

trait CanCreateExternalResource
{
    use HasLabel;

    public function createResource(Uri $uri, ResourceSite $site, (BaseModel&HasResources)|null $model = null): ExternalResource
    {
        $url = $uri->withScheme('https')->__toString();

        $id = ResourceSite::parseIdFromLink($url);
        $id = $id === null ? null : intval($id);

        if ($model instanceof BaseModel) {
            $urlPattern = $site->getUrlCaptureGroups($model);

            if (preg_match($urlPattern, $url, $matches)) {
                $url = $site->formatResourceLink($model::class, intval($matches[2]), $matches[2], $matches[1]);
            }

            if ($id !== null && $site->usesIdInLink()) {
                $url = $site->formatResourceLink($model::class, $id, strval($id));
            }
        }

        $resource = ExternalResource::query()
            ->where(ExternalResource::ATTRIBUTE_SITE, $site->value)
            ->where(fn (Builder $query) => $query->where(ExternalResource::ATTRIBUTE_LINK, $url)
                ->orWhere(ExternalResource::ATTRIBUTE_LINK, $url.'/'))
            ->first();

        if ($resource === null) {
            Log::info("Creating External Resource {$site->localize()} -> '{$url}'");

            $resource = ExternalResource::query()->create([
                ExternalResource::ATTRIBUTE_LINK => $url,
                ExternalResource::ATTRIBUTE_SITE => $site->value,
                ExternalResource::ATTRIBUTE_EXTERNAL_ID => $id,
            ]);
        }

        $model?->resources()?->attach($resource);

        return $resource;
    }
}