<?php

declare(strict_types=1);

namespace App\Console\Commands;

use App\Support\Maintenance;
use Carbon\CarbonImmutable;
use Illuminate\Console\Command;

/**
 * Toggles maintenance for the public site from the CLI, for use in deploy
 * scripts.
 *
 * Note this is *not* `artisan down`: the panel and the admin API stay up
 * throughout, which is the point.
 */
class SiteMaintenanceCommand extends Command
{
    protected $signature = 'site:maintenance
                            {--up : Bring the public site back}
                            {--message= : Notice shown to visitors, in the default locale}
                            {--until= : When it lifts automatically, e.g. "+2 hours"}
                            {--status : Only report the current state}';

    protected $description = 'Put the public site into maintenance, or bring it back (the panel stays up)';

    public function handle(): int
    {
        if ($this->option('status')) {
            return $this->reportStatus();
        }

        if ($this->option('up')) {
            Maintenance::disable();

            $this->components->info('The public site is back.');

            return self::SUCCESS;
        }

        $message = $this->option('message');
        $until = $this->option('until');

        Maintenance::enable(
            message: filled($message) ? [config('locales.default') => $message] : null,
            until: filled($until) ? CarbonImmutable::parse($until) : null,
        );

        $this->components->warn('The public site is now in maintenance.');
        $this->components->bulletList(array_filter([
            'Visitors get 503 with the notice; the panel and admin API are unaffected.',
            filled($until) ? 'Lifts automatically at '.Maintenance::until()?->toDateTimeString() : null,
            'The team can still see the real site via the preview token or a trusted IP.',
        ]));

        return self::SUCCESS;
    }

    protected function reportStatus(): int
    {
        if (! Maintenance::isEnabled()) {
            $this->components->info('The public site is up.');

            return self::SUCCESS;
        }

        $this->components->warn('The public site is in maintenance.');

        $this->components->twoColumnDetail('Since', Maintenance::startedAt()?->diffForHumans() ?? '—');
        $this->components->twoColumnDetail('Lifts at', Maintenance::until()?->toDateTimeString() ?? 'manually');
        $this->components->twoColumnDetail('Notice', Maintenance::message());

        return self::SUCCESS;
    }
}