<?php

namespace App\Console\Commands;

use App\Models\SourceSyncRun;
use App\Services\Calendar\CalendarEventSyncService;
use App\Services\Calendar\CalendarReminderSender;
use Illuminate\Console\Command;
use Illuminate\Support\Carbon;
use Throwable;

class ProcessCalendarRemindersCommand extends Command
{
    protected $signature = 'calendar:process-reminders
        {--no-sync : Ne synchronise pas l agenda avant traitement}
        {--force-sync : Force la synchronisation CalDAV avant traitement}';

    protected $description = 'Synchronise l agenda CalDAV et envoie les rappels SMS dus.';

    public function handle(CalendarEventSyncService $syncService, CalendarReminderSender $sender): int
    {
        if ($this->shouldSync()) {
            try {
                $run = $syncService->sync();
                $this->line((string) $run->message);
            } catch (Throwable $exception) {
                $this->error('Synchronisation CalDAV agenda en echec : '.$exception->getMessage());

                return self::FAILURE;
            }
        } elseif (! $this->option('no-sync')) {
            $interval = (int) config('relais_sms.caldav.sync_interval_minutes', 60);
            $this->line('Synchronisation CalDAV ignoree : derniere synchronisation recente, intervalle '.$interval.' minute(s).');
        }

        $sent = $sender->sendDue();
        $this->info($sent.' rappel(s) SMS envoye(s).');

        return self::SUCCESS;
    }

    private function shouldSync(): bool
    {
        if ($this->option('no-sync')) {
            return false;
        }

        if ($this->option('force-sync')) {
            return true;
        }

        $interval = max(1, (int) config('relais_sms.caldav.sync_interval_minutes', 60));
        $lastRun = SourceSyncRun::query()
            ->where('source', 'caldav_calendar')
            ->latest('started_at')
            ->first();

        $rawStartedAt = $lastRun?->getRawOriginal('started_at');

        if ($rawStartedAt === null) {
            return true;
        }

        $lastStartedAt = Carbon::parse((string) $rawStartedAt, 'UTC');
        $nextAllowedSyncAt = Carbon::now()->utc()->subMinutes($interval);

        return $lastStartedAt->lessThanOrEqualTo($nextAllowedSyncAt);
    }
}