<?php

namespace App\Http\Controllers\Api\V1;

use App\Http\Controllers\Api\Concerns\RespondsWithJson;
use App\Http\Controllers\Controller;
use App\Services\DatabaseConnectionManager;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use InvalidArgumentException;
use Throwable;

class DatabaseController extends Controller
{
    use RespondsWithJson;

    public function __construct(
        private readonly DatabaseConnectionManager $connections
    ) {
    }

    public function index(Request $request): JsonResponse
    {
        $sort = $request->string('sort', 'created')->toString();
        $dir = $request->string('dir', 'desc')->toString() === 'asc' ? 'asc' : 'desc';
        $search = $request->string('q')->trim()->toString();
        $connectionId = $request->integer('connection') ?: null;

        $allowedSort = ['db_name', 'created', 'active_days', 'state', 'last_index_activity', 'last_backup'];
        if (! in_array($sort, $allowedSort, true)) {
            $sort = 'created';
        }

        $result = $this->connections->listerFor($connectionId)->listDatabases($sort, $dir, $search);

        if ($result['error'] ?? null) {
            return $this->fail($result['error'], 'service_error', 503);
        }

        return $this->ok($result['rows'], $result['meta']);
    }

    public function offline(Request $request, string $database): JsonResponse
    {
        $connectionId = $request->integer('connection') ?: null;

        try {
            $lister = $this->connections->listerFor($connectionId);
            $lister->makeOffline($database);

            return $this->ok(['database' => $database, 'state' => 'RESTRICTED']);
        } catch (InvalidArgumentException $e) {
            return $this->fail($e->getMessage(), 'validation_error', 422);
        } catch (Throwable) {
            return $this->fail('Failed to restrict database.', 'server_error', 500);
        }
    }
}