<?php

declare(strict_types=1);

/**
 * SPDX-FileCopyrightText: Sebastian Krupinski <krupinski01@gmail.com>
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

namespace KTXM\ProviderImapMail\Console;

use KTXM\ProviderImapMail\Providers\Provider;
use KTXM\ProviderImapMail\Providers\Service;
use KTXC\SessionTenant;
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\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;

/**
 * Remove a stored IMAP service connection.
 *
 * Looks up the service by its ID (or prompts for one), confirms with the
 * operator, then permanently deletes the service document from the store.
 *
 * Usage:
 *   bin/console provider_imap_mail:service:disconnect --tenant=t1 --user=u1 <service-id>
 */
#[AsCommand(
    name: 'provider_imap_mail:service:disconnect',
    description: 'Remove a stored IMAP service connection',
)]
class ServiceDisconnectCommand extends Command
{
    public function __construct(
        private readonly Provider      $provider,
        private readonly SessionTenant $sessionTenant,
    ) {
        parent::__construct();
    }

    protected function configure(): void
    {
        $this
            ->addArgument('service-id', InputArgument::OPTIONAL, 'Service ID to remove')
            ->addOption('tenant', 't', InputOption::VALUE_REQUIRED, 'Tenant ID')
            ->addOption('user',   'u', InputOption::VALUE_REQUIRED, 'User ID')
            ->addOption('force',  'f', InputOption::VALUE_NONE,    'Skip confirmation prompt')
            ->setHelp(<<<'HELP'
                The <info>provider_imap_mail:service:disconnect</info> command permanently removes
                a stored IMAP service configuration from the store.

                Examples:

                  Interactive (lists services and prompts for ID):
                    <info>bin/console provider_imap_mail:service:disconnect --tenant=t1 --user=u1</info>

                  Direct, with confirmation:
                    <info>bin/console provider_imap_mail:service:disconnect abc123 --tenant=t1 --user=u1</info>

                  Skip confirmation:
                    <info>bin/console provider_imap_mail:service:disconnect abc123 --tenant=t1 --user=u1 --force</info>
                HELP);
    }

    protected function interact(InputInterface $input, OutputInterface $output): void
    {
        $io = new SymfonyStyle($input, $output);

        if (!$input->getOption('tenant')) {
            $tenant = $io->ask('Tenant ID');
            if ($tenant) $input->setOption('tenant', $tenant);
        }

        if (!$input->getOption('user')) {
            $user = $io->ask('User ID');
            if ($user) $input->setOption('user', $user);
        }

        // If no service ID given, list available services and let the operator pick
        if (!$input->getArgument('service-id')) {
            $tenantId = (string) ($input->getOption('tenant') ?? '');
            $userId   = (string) ($input->getOption('user') ?? '');

            if ($tenantId !== '' && $userId !== '') {
                $this->sessionTenant->configureById($tenantId);
                $services = $this->provider->serviceList($tenantId, $userId);

                if (empty($services)) {
                    // nothing to select — let execute() handle the error
                    return;
                }

                $choices = [];
                foreach ($services as $id => $service) {
                    $label = $service instanceof Service ? ($service->getLabel() ?? $id) : $id;
                    $choices[$id] = "{$label}  [{$id}]";
                }

                $chosen = $io->choice('Select service to disconnect', array_values($choices));
                // resolve the chosen label back to its key
                $serviceId = (string) array_search($chosen, $choices, true);
                if ($serviceId !== '') {
                    $input->setArgument('service-id', $serviceId);
                }
            }
        }
    }

    protected function execute(InputInterface $input, OutputInterface $output): int
    {
        $io = new SymfonyStyle($input, $output);

        $tenantId  = (string) ($input->getOption('tenant') ?? '');
        $userId    = (string) ($input->getOption('user') ?? '');
        $serviceId = (string) ($input->getArgument('service-id') ?? '');
        $force     = (bool)   $input->getOption('force');

        $errors = [];
        if ($tenantId === '')  $errors[] = 'Tenant ID is required (--tenant).';
        if ($userId === '')    $errors[] = 'User ID is required (--user).';
        if ($serviceId === '') $errors[] = 'Service ID is required.';

        if (!empty($errors)) {
            $io->error($errors);
            return Command::FAILURE;
        }

        // ── Fetch service for display ────────────────────────────────────────
        $this->sessionTenant->configureById($tenantId);
        $service = $this->provider->serviceFetch($tenantId, $userId, $serviceId);

        if ($service === null) {
            $io->error("Service '{$serviceId}' not found.");
            return Command::FAILURE;
        }

        $label = $service->getLabel() ?? $serviceId;
        $host  = $service->getLocation()?->getHost() ?? 'unknown';

        $io->title('Disconnect IMAP Service');
        $io->definitionList(
            ['ID'    => $serviceId],
            ['Label' => $label],
            ['Host'  => $host],
        );

        // ── Confirmation ─────────────────────────────────────────────────────

        if (!$force) {
            $confirm = $io->confirm(
                "Permanently remove service <comment>{$label}</comment> ({$serviceId})?",
                false
            );
            if (!$confirm) {
                $io->note('Aborted.');
                return Command::SUCCESS;
            }
        }

        // ── Destroy ──────────────────────────────────────────────────────────

        $deleted = $this->provider->serviceDestroy($tenantId, $userId, $service);

        if (!$deleted) {
            $io->error("Failed to remove service '{$serviceId}'.");
            return Command::FAILURE;
        }

        $io->success("Service '{$label}' ({$serviceId}) has been removed.");

        return Command::SUCCESS;
    }
}