<?php

declare(strict_types=1);

namespace App\Application\Admin\Database;

use App\Framework\Admin\Attributes\AdminPage;
use App\Framework\Admin\Attributes\AdminSection;
use App\Framework\Admin\AdminPageRenderer;
use App\Framework\Attributes\Route;
use App\Framework\Database\Browser\Registry\DatabaseRegistry;
use App\Framework\Database\Browser\Registry\TableRegistry;
use App\Framework\Meta\MetaData;
use App\Framework\Pagination\PaginationService;
use App\Framework\Pagination\ValueObjects\PaginationRequest;
use App\Framework\Router\Result\ViewResult;
use App\Framework\View\Table\Generators\DatabaseTableGenerator;

#[AdminSection(name: 'Database', icon: 'database', order: 30)]
final readonly class DatabaseBrowserController
{
    public function __construct(
        private DatabaseRegistry $databaseRegistry,
        private TableRegistry $tableRegistry,
        private AdminPageRenderer $pageRenderer,
        private PaginationService $paginationService,
        private DatabaseTableGenerator $tableGenerator,
    ) {
    }

    #[AdminPage(title: 'Database Browser', icon: 'database', section: 'Database', order: 10)]
    #[Route('/admin/database', name: 'admin.database.browser')]
    public function index(): ViewResult
    {
        $database = $this->databaseRegistry->getCurrentDatabase();
        $tables = $this->tableRegistry->getAllTables();

        // Convert to array for pagination
        $tablesArray = array_map(fn ($table) => $table->toArray(), $tables);

        // Paginate tables
        $paginationRequest = PaginationRequest::first(limit: 50, sortField: 'name');
        $paginator = $this->paginationService->forArray($tablesArray);
        $paginationResponse = $paginator->paginate($paginationRequest);

        // Generate table
        $tableData = array_map(
            fn ($table) => [
                'name' => $table['name'],
                'row_count' => $table['row_count'],
                'size_mb' => $table['size_mb'],
                'engine' => $table['engine'],
                'collation' => $table['collation'],
            ],
            $paginationResponse->data
        );

        $table = $this->tableGenerator->generate($tableData);

        $data = [
            'title' => 'Database Browser',
            'database' => $database->toArray(),
            'table' => $table->render(),
            'table_count' => count($tables),
            'pagination' => [
                'current_page' => $paginationResponse->meta->currentPage,
                'total_pages' => $paginationResponse->meta->totalPages,
                'total_items' => $paginationResponse->meta->totalCount,
                'items_per_page' => $paginationResponse->request->limit,
            ],
        ];

        return new ViewResult(
            template: 'database/browser',
            metaData: new MetaData('Database Browser', 'Admin - Database Browser'),
            data: $data
        );
    }
}