<?php

namespace App\Services\Qms;

use App\Models\QueueAppointment;
use App\Models\ServiceQueue;
use App\Models\Ticket;

class AppointmentService
{
    public function __construct(
        protected QueueEngine $engine,
        protected QueueNotificationService $notifications,
    ) {}

    public function checkIn(QueueAppointment $appointment, ?string $actorRef = null): Ticket
    {
        abort_unless($appointment->status === 'scheduled', 422, 'Appointment cannot be checked in.');

        $queue = $appointment->serviceQueue ?? $this->defaultQueue($appointment);
        abort_unless($queue, 422, 'No queue configured for this appointment.');

        $ticket = $this->engine->issueTicket($queue, $appointment->owner_ref, [
            'customer_name' => $appointment->customer_name,
            'customer_phone' => $appointment->customer_phone,
            'customer_email' => $appointment->customer_email,
            'priority' => 'appointment',
            'source' => 'appointment',
            'actor_ref' => $actorRef,
            'metadata' => ['appointment_id' => $appointment->id],
        ]);

        $appointment->update([
            'status' => 'checked_in',
            'checked_in_at' => now(),
            'ticket_id' => $ticket->id,
            'service_queue_id' => $queue->id,
        ]);

        AuditLogger::record($appointment->owner_ref, 'appointment.checked_in', $appointment->organization_id, $actorRef, QueueAppointment::class, $appointment->id);

        $org = $appointment->organization;
        if ($org) {
            app(StaffNotifier::class)->queueEvent(
                $org,
                'Appointment checked in',
                "{$appointment->customer_name} checked in for {$appointment->scheduled_at->format('H:i')}.",
                route('qms.tickets.show', $ticket),
                'calendar',
            );
        }

        return $ticket;
    }

    protected function defaultQueue(QueueAppointment $appointment): ?ServiceQueue
    {
        return ServiceQueue::owned($appointment->owner_ref)
            ->where('branch_id', $appointment->branch_id)
            ->where('is_active', true)
            ->orderBy('name')
            ->first();
    }
}