<?php

declare(strict_types=1);

namespace KTXC\Console\Tenant;

use KTXC\Models\Tenant\DomainCollection;
use KTXC\Models\Tenant\TenantConfiguration;
use KTXC\Models\Tenant\TenantObject;
use KTXC\Service\TenantService;
use KTXC\Stores\UserAccountsStore;
use KTXC\Stores\UserRolesStore;
use KTXF\Utile\UUID;
use Psr\Log\LoggerInterface;
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;

/**
 * Tenant Create Command
 *
 * Creates a new tenant.
 */
#[AsCommand(
    name: 'tenant:create',
    description: 'Create a new tenant',
)]
class TenantCreateCommand extends Command
{
    public function __construct(
        private readonly TenantService $tenantService,
        private readonly UserRolesStore $rolesStore,
        private readonly UserAccountsStore $userStore,
        private readonly LoggerInterface $logger
    ) {
        parent::__construct();
    }

    protected function configure(): void
    {
        $this
            ->addArgument('domain', InputArgument::REQUIRED | InputArgument::IS_ARRAY, 'Domain(s) served by this tenant')
            ->addOption('label', 'l', InputOption::VALUE_REQUIRED, 'Display label for the tenant')
            ->addOption('description', 'd', InputOption::VALUE_REQUIRED, 'Tenant description')
            ->addOption('identifier', null, InputOption::VALUE_REQUIRED, 'Explicit tenant identifier (defaults to a generated UUID)')
            ->addOption('disabled', null, InputOption::VALUE_NONE, 'Create the tenant in a disabled state')
            ->addOption('admin-identity', null, InputOption::VALUE_REQUIRED, 'Identity for the bootstrap admin user', 'admin')
            ->addOption('no-admin-user', null, InputOption::VALUE_NONE, 'Do not create a bootstrap admin user (the admin role is still seeded)')
            ->setHelp('This command creates a new tenant with one or more domains. The tenant identifier is generated automatically unless --identifier is provided. An "admin" role with full permissions is seeded automatically, along with a bootstrap admin user unless --no-admin-user is passed.')
        ;
    }

    protected function execute(InputInterface $input, OutputInterface $output): int
    {
        $io = new SymfonyStyle($input, $output);
        $identifier = $input->getOption('identifier') ?? UUID::v4();
        $domains = array_values(array_unique(array_filter(array_map('trim', $input->getArgument('domain')))));

        $io->title('Create Tenant');

        try {
            if (empty($domains)) {
                $io->error('At least one non-empty domain is required.');
                return Command::FAILURE;
            }

            // Ensure identifier is unique
            if ($this->tenantService->fetchById($identifier)) {
                $io->error("Tenant '{$identifier}' already exists.");
                return Command::FAILURE;
            }

            // Ensure domains are not claimed by another tenant
            foreach ($domains as $domain) {
                $existing = $this->tenantService->fetchByDomain($domain);
                if ($existing) {
                    $io->error("Domain '{$domain}' is already assigned to tenant '{$existing->getIdentifier()}'.");
                    return Command::FAILURE;
                }
            }

            $tenant = new TenantObject();
            $tenant->setIdentifier($identifier);
            $tenant->setEnabled(!$input->getOption('disabled'));
            $tenant->setLabel($input->getOption('label') ?? $domains[0]);
            $tenant->setDescription($input->getOption('description') ?? '');
            $tenant->setDomains(new DomainCollection($domains));
            $tenant->setConfiguration(new TenantConfiguration());

            $tenant = $this->tenantService->deposit($tenant);

            if (!$tenant) {
                $io->error('Failed to create tenant.');
                return Command::FAILURE;
            }

            $this->logger->info('Tenant created via console', [
                'identifier' => $identifier,
                'command' => $this->getName(),
            ]);

            $io->success("Tenant '{$identifier}' created successfully!");
            $io->definitionList(
                ['Id' => $tenant->getId()],
                ['Identifier' => $tenant->getIdentifier()],
                ['Label' => $tenant->getLabel()],
                ['Enabled' => $tenant->getEnabled() ? 'yes' : 'no'],
                ['Domains' => implode(', ', $domains)],
            );

            $role = $this->rolesStore->createRole($identifier, [
                'rid' => 'admin',
                'label' => 'Administrator',
                'description' => 'Full access to all tenant features',
                'permissions' => ['*'],
                'system' => true,
            ]);

            $this->logger->info('Default admin role seeded via console', [
                'tenant' => $identifier,
                'rid' => $role['rid'] ?? null,
                'command' => $this->getName(),
            ]);

            $io->text("Default role 'admin' seeded with full permissions.");

            if (!$input->getOption('no-admin-user')) {
                $adminIdentity = $input->getOption('admin-identity');

                if ($this->userStore->fetchByIdentity($identifier, $adminIdentity)) {
                    $io->warning("User '{$adminIdentity}' already exists in tenant '{$identifier}'; skipping admin user creation.");
                } else {
                    $this->userStore->createUser($identifier, [
                        'identity' => $adminIdentity,
                        'label' => 'Administrator',
                        'enabled' => true,
                        'roles' => ['admin'],
                        'profile' => [],
                        'settings' => [],
                        'provider' => null,
                        'provider_subject' => null,
                        'provider_managed_fields' => [],
                    ]);

                    $this->logger->info('Bootstrap admin user created via console', [
                        'tenant' => $identifier,
                        'identity' => $adminIdentity,
                        'command' => $this->getName(),
                    ]);

                    $io->text("Admin user '{$adminIdentity}' created with the 'admin' role.");
                    $io->note("Set a credential for this account using the auth provider module you have installed, e.g.: php bin/console user:password {$identifier} {$adminIdentity}");
                }
            }

            return Command::SUCCESS;

        } catch (\Throwable $e) {
            $io->error('Failed to create tenant: ' . $e->getMessage());
            $this->logger->error('Tenant create failed', [
                'identifier' => $identifier,
                'error' => $e->getMessage(),
            ]);
            return Command::FAILURE;
        }
    }
}