<?php

declare(strict_types=1);

namespace KTXM\ServiceWopi\Console;

use KTXM\ServiceWopi\Discovery\DiscoveryClient;
use KTXM\ServiceWopi\Discovery\ServerAddress;
use Symfony\Component\Console\Attribute\AsCommand;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;
use Throwable;

#[AsCommand(name: 'wopi:check', description: 'Check document server discovery without sending documents or credentials')]
class CheckCommand extends Command
{
    public function __construct(private readonly DiscoveryClient $client) { parent::__construct(); }

    protected function configure(): void
    {
        $this->addArgument('server', InputArgument::REQUIRED, 'HTTPS base URL of the document server');
    }

    protected function execute(InputInterface $input, OutputInterface $output): int
    {
        $io = new SymfonyStyle($input, $output);
        try {
            $document = $this->client->fetch(new ServerAddress($input->getArgument('server')));
            $rows = [];
            $hasDocxView = false;
            foreach ($document->actions as $action) {
                $rows[] = [$action->extension, $action->name, implode(', ', $action->requirements) ?: 'none'];
                $hasDocxView = $hasDocxView || ($action->extension === 'docx'
                    && $action->name === 'view' && $action->supportedBy([]));
            }
            $io->table(['Extension', 'Server action', 'Additional host requirements'], $rows);
            $io->text('Proof key metadata: ' . ($document->hasProofKeys ? 'present (not yet validated)' : 'absent'));
            if (!$hasDocxView) {
                $io->error('No DOCX view action usable by a basic read-only host.');
                return Command::FAILURE;
            }
            $io->success('Discovery supports the planned DOCX viewing flow.');
            $io->note('This check does not verify editor loading, WOPI callbacks, proof signatures, or saving.');
            return Command::SUCCESS;
        } catch (Throwable $error) {
            $io->error($error->getMessage());
            return Command::FAILURE;
        }
    }
}