# """
# Viewflow workflows for appointments app.
# Provides appointment scheduling, confirmation, and queue management workflows.
# """
#
# from viewflow import Flow, lock
# from viewflow.base import this, flow_func
# from viewflow.contrib import celery
# from viewflow.decorators import flow_view
# from viewflow.fields import CharField, ModelField
# from viewflow.forms import ModelForm
# from viewflow.views import CreateProcessView, UpdateProcessView
# from viewflow.models import Process, Task
# from django.contrib.auth.models import User
# from django.urls import reverse_lazy
# from django.utils import timezone
# from django.db import transaction
# from django.core.mail import send_mail
#
# from .models import AppointmentRequest, SlotAvailability, WaitingQueue, QueueEntry
# from .views import (
#     AppointmentRequestView, AvailabilityCheckView, AppointmentSchedulingView,
#     AppointmentConfirmationView, ReminderView, CheckInView, QueueManagementView,
#     TelemedicineSetupView, AppointmentCompletionView, ReschedulingView,
#     CancellationView, NoShowHandlingView
# )
#
#
# class AppointmentSchedulingProcess(Process):
#     """
#     Viewflow process model for appointment scheduling
#     """
#     appointment_request = ModelField(AppointmentRequest, help_text='Associated appointment request')
#
#     # Process status tracking
#     request_submitted = models.BooleanField(default=False)
#     availability_checked = models.BooleanField(default=False)
#     appointment_scheduled = models.BooleanField(default=False)
#     confirmation_sent = models.BooleanField(default=False)
#     reminders_scheduled = models.BooleanField(default=False)
#     patient_checked_in = models.BooleanField(default=False)
#     appointment_completed = models.BooleanField(default=False)
#
#     class Meta:
#         verbose_name = 'Appointment Scheduling Process'
#         verbose_name_plural = 'Appointment Scheduling Processes'
#
#
# class AppointmentSchedulingFlow(Flow):
#     """
#     Appointment Scheduling Workflow
#
#     This flow manages the complete appointment lifecycle from
#     request through scheduling, confirmation, and completion.
#     """
#
#     process_class = AppointmentSchedulingProcess
#
#     # Flow definition
#     start = (
#         flow_func(this.start_appointment_scheduling)
#         .Next(this.submit_request)
#     )
#
#     submit_request = (
#         flow_view(AppointmentRequestView)
#         .Permission('appointments.can_submit_requests')
#         .Next(this.check_availability)
#     )
#
#     check_availability = (
#         flow_view(AvailabilityCheckView)
#         .Permission('appointments.can_check_availability')
#         .Next(this.schedule_appointment)
#     )
#
#     schedule_appointment = (
#         flow_view(AppointmentSchedulingView)
#         .Permission('appointments.can_schedule_appointments')
#         .Next(this.send_confirmation)
#     )
#
#     send_confirmation = (
#         flow_view(AppointmentConfirmationView)
#         .Permission('appointments.can_send_confirmations')
#         .Next(this.schedule_reminders)
#     )
#
#     schedule_reminders = (
#         flow_func(this.setup_reminders)
#         .Next(this.check_in_patient)
#     )
#
#     check_in_patient = (
#         flow_view(CheckInView)
#         .Permission('appointments.can_check_in_patients')
#         .Next(this.complete_appointment)
#     )
#
#     complete_appointment = (
#         flow_func(this.finalize_appointment)
#         .Next(this.end)
#     )
#
#     end = flow_func(this.end_appointment_scheduling)
#
#     # Flow functions
#     def start_appointment_scheduling(self, activation):
#         """Initialize the appointment scheduling process"""
#         process = activation.process
#         appointment = process.appointment_request
#
#         # Update appointment status
#         appointment.status = 'REQUESTED'
#         appointment.save()
#
#         # Send notification to scheduling staff
#         self.notify_scheduling_staff(appointment)
#
#         # Check for urgent appointments
#         if appointment.priority in ['HIGH', 'URGENT'] or appointment.urgency_score >= 8:
#             self.notify_urgent_appointment(appointment)
#
#     def setup_reminders(self, activation):
#         """Setup appointment reminders"""
#         process = activation.process
#         appointment = process.appointment_request
#
#         # Mark reminders as scheduled
#         process.reminders_scheduled = True
#         process.save()
#
#         # Schedule reminder tasks
#         self.schedule_appointment_reminders(appointment)
#
#         # Send immediate confirmation if telemedicine
#         if appointment.is_telemedicine:
#             self.setup_telemedicine_meeting(appointment)
#
#     def finalize_appointment(self, activation):
#         """Finalize the appointment process"""
#         process = activation.process
#         appointment = process.appointment_request
#
#         # Update appointment status
#         appointment.status = 'COMPLETED'
#         appointment.completed_at = timezone.now()
#         appointment.save()
#
#         # Mark process as completed
#         process.appointment_completed = True
#         process.save()
#
#         # Send completion notifications
#         self.notify_appointment_completion(appointment)
#
#         # Update provider schedule
#         self.update_provider_schedule(appointment)
#
#         # Generate follow-up recommendations
#         self.generate_follow_up_recommendations(appointment)
#
#     def end_appointment_scheduling(self, activation):
#         """End the appointment scheduling workflow"""
#         process = activation.process
#
#         # Generate appointment summary
#         self.generate_appointment_summary(process.appointment_request)
#
#     # Helper methods
#     def notify_scheduling_staff(self, appointment):
#         """Notify scheduling staff of new appointment request"""
#         from django.contrib.auth.models import Group
#
#         scheduling_staff = User.objects.filter(
#             groups__name='Scheduling Staff'
#         )
#
#         for staff in scheduling_staff:
#             send_mail(
#                 subject=f'New Appointment Request: {appointment.patient.get_full_name()}',
#                 message=f'New {appointment.get_appointment_type_display()} appointment request for {appointment.specialty}.',
#                 from_email='scheduling@hospital.com',
#                 recipient_list=[staff.email],
#                 fail_silently=True
#             )
#
#     def notify_urgent_appointment(self, appointment):
#         """Notify of urgent appointment request"""
#         scheduling_managers = User.objects.filter(
#             groups__name='Scheduling Managers'
#         )
#
#         for manager in scheduling_managers:
#             send_mail(
#                 subject=f'URGENT Appointment Request: {appointment.patient.get_full_name()}',
#                 message=f'{appointment.get_priority_display()} appointment request requires immediate attention.',
#                 from_email='scheduling@hospital.com',
#                 recipient_list=[manager.email],
#                 fail_silently=True
#             )
#
#     def schedule_appointment_reminders(self, appointment):
#         """Schedule appointment reminder tasks"""
#         if appointment.scheduled_datetime:
#             # Schedule 24-hour reminder
#             reminder_24h = appointment.scheduled_datetime - timedelta(hours=24)
#             if reminder_24h > timezone.now():
#                 send_appointment_reminder.apply_async(
#                     args=[appointment.id, '24_hour'],
#                     eta=reminder_24h
#                 )
#
#             # Schedule 2-hour reminder
#             reminder_2h = appointment.scheduled_datetime - timedelta(hours=2)
#             if reminder_2h > timezone.now():
#                 send_appointment_reminder.apply_async(
#                     args=[appointment.id, '2_hour'],
#                     eta=reminder_2h
#                 )
#
#     def setup_telemedicine_meeting(self, appointment):
#         """Setup telemedicine meeting details"""
#         # This would integrate with telemedicine platforms
#         pass
#
#     def notify_appointment_completion(self, appointment):
#         """Notify appointment completion"""
#         # Notify patient
#         if appointment.patient.email:
#             send_mail(
#                 subject='Appointment Completed',
#                 message=f'Your appointment with {appointment.provider.get_full_name()} has been completed.',
#                 from_email='appointments@hospital.com',
#                 recipient_list=[appointment.patient.email],
#                 fail_silently=True
#             )
#
#     def update_provider_schedule(self, appointment):
#         """Update provider schedule after appointment"""
#         # This would update provider availability
#         pass
#
#     def generate_follow_up_recommendations(self, appointment):
#         """Generate follow-up appointment recommendations"""
#         # This would analyze appointment and suggest follow-ups
#         pass
#
#     def generate_appointment_summary(self, appointment):
#         """Generate appointment summary"""
#         # This would generate appointment summary report
#         pass
#
#
# class AppointmentConfirmationProcess(Process):
#     """
#     Viewflow process model for appointment confirmation
#     """
#     appointment_request = ModelField(AppointmentRequest, help_text='Associated appointment request')
#
#     # Process status tracking
#     confirmation_requested = models.BooleanField(default=False)
#     patient_contacted = models.BooleanField(default=False)
#     confirmation_received = models.BooleanField(default=False)
#     details_updated = models.BooleanField(default=False)
#     confirmation_completed = models.BooleanField(default=False)
#
#     class Meta:
#         verbose_name = 'Appointment Confirmation Process'
#         verbose_name_plural = 'Appointment Confirmation Processes'
#
#
# class AppointmentConfirmationFlow(Flow):
#     """
#     Appointment Confirmation Workflow
#
#     This flow manages appointment confirmation including patient
#     contact, confirmation receipt, and detail updates.
#     """
#
#     process_class = AppointmentConfirmationProcess
#
#     # Flow definition
#     start = (
#         flow_func(this.start_confirmation)
#         .Next(this.request_confirmation)
#     )
#
#     request_confirmation = (
#         flow_func(this.send_confirmation_request)
#         .Next(this.contact_patient)
#     )
#
#     contact_patient = (
#         flow_view(PatientContactView)
#         .Permission('appointments.can_contact_patients')
#         .Next(this.receive_confirmation)
#     )
#
#     receive_confirmation = (
#         flow_view(ConfirmationReceiptView)
#         .Permission('appointments.can_receive_confirmations')
#         .Next(this.update_details)
#     )
#
#     update_details = (
#         flow_view(DetailUpdateView)
#         .Permission('appointments.can_update_details')
#         .Next(this.complete_confirmation)
#     )
#
#     complete_confirmation = (
#         flow_func(this.finalize_confirmation)
#         .Next(this.end)
#     )
#
#     end = flow_func(this.end_confirmation)
#
#     # Flow functions
#     def start_confirmation(self, activation):
#         """Initialize the confirmation process"""
#         process = activation.process
#         appointment = process.appointment_request
#
#         # Send confirmation request
#         self.send_confirmation_request(appointment)
#
#     def send_confirmation_request(self, activation):
#         """Send confirmation request to patient"""
#         process = activation.process
#         appointment = process.appointment_request
#
#         # Mark confirmation requested
#         process.confirmation_requested = True
#         process.save()
#
#         # Send confirmation request via preferred method
#         self.send_confirmation_via_preferred_method(appointment)
#
#     def finalize_confirmation(self, activation):
#         """Finalize the confirmation process"""
#         process = activation.process
#         appointment = process.appointment_request
#
#         # Update appointment status
#         appointment.status = 'CONFIRMED'
#         appointment.save()
#
#         # Mark process as completed
#         process.confirmation_completed = True
#         process.save()
#
#         # Send confirmation completion notification
#         self.notify_confirmation_completion(appointment)
#
#     def end_confirmation(self, activation):
#         """End the confirmation workflow"""
#         process = activation.process
#
#         # Log confirmation completion
#         self.log_confirmation_completion(process.appointment_request)
#
#     # Helper methods
#     def send_confirmation_via_preferred_method(self, appointment):
#         """Send confirmation via patient's preferred method"""
#         preferences = appointment.reminder_preferences
#
#         if preferences.get('email', True) and appointment.patient.email:
#             self.send_email_confirmation(appointment)
#
#         if preferences.get('sms', False) and appointment.patient.phone:
#             self.send_sms_confirmation(appointment)
#
#         if preferences.get('phone', False):
#             self.schedule_phone_confirmation(appointment)
#
#     def send_email_confirmation(self, appointment):
#         """Send email confirmation"""
#         send_mail(
#             subject='Appointment Confirmation Required',
#             message=f'Please confirm your appointment on {appointment.scheduled_datetime}.',
#             from_email='appointments@hospital.com',
#             recipient_list=[appointment.patient.email],
#             fail_silently=True
#         )
#
#     def send_sms_confirmation(self, appointment):
#         """Send SMS confirmation"""
#         # This would integrate with SMS service
#         pass
#
#     def schedule_phone_confirmation(self, appointment):
#         """Schedule phone confirmation call"""
#         # This would schedule a phone call task
#         pass
#
#     def notify_confirmation_completion(self, appointment):
#         """Notify confirmation completion"""
#         # Notify scheduling staff
#         scheduling_staff = User.objects.filter(
#             groups__name='Scheduling Staff'
#         )
#
#         for staff in scheduling_staff:
#             send_mail(
#                 subject=f'Appointment Confirmed: {appointment.patient.get_full_name()}',
#                 message=f'Patient has confirmed appointment for {appointment.scheduled_datetime}.',
#                 from_email='appointments@hospital.com',
#                 recipient_list=[staff.email],
#                 fail_silently=True
#             )
#
#     def log_confirmation_completion(self, appointment):
#         """Log confirmation completion"""
#         # This would log confirmation details
#         pass
#
#
# class QueueManagementProcess(Process):
#     """
#     Viewflow process model for queue management
#     """
#     queue_entry = ModelField(QueueEntry, help_text='Associated queue entry')
#
#     # Process status tracking
#     patient_queued = models.BooleanField(default=False)
#     position_assigned = models.BooleanField(default=False)
#     wait_time_estimated = models.BooleanField(default=False)
#     patient_called = models.BooleanField(default=False)
#     service_started = models.BooleanField(default=False)
#     service_completed = models.BooleanField(default=False)
#     queue_exited = models.BooleanField(default=False)
#
#     class Meta:
#         verbose_name = 'Queue Management Process'
#         verbose_name_plural = 'Queue Management Processes'
#
#
# class QueueManagementFlow(Flow):
#     """
#     Queue Management Workflow
#
#     This flow manages patient flow through waiting queues
#     including position assignment and service coordination.
#     """
#
#     process_class = QueueManagementProcess
#
#     # Flow definition
#     start = (
#         flow_func(this.start_queue_management)
#         .Next(this.queue_patient)
#     )
#
#     queue_patient = (
#         flow_view(PatientQueuingView)
#         .Permission('appointments.can_queue_patients')
#         .Next(this.assign_position)
#     )
#
#     assign_position = (
#         flow_func(this.calculate_queue_position)
#         .Next(this.estimate_wait_time)
#     )
#
#     estimate_wait_time = (
#         flow_func(this.calculate_wait_time)
#         .Next(this.call_patient)
#     )
#
#     call_patient = (
#         flow_view(PatientCallingView)
#         .Permission('appointments.can_call_patients')
#         .Next(this.start_service)
#     )
#
#     start_service = (
#         flow_view(ServiceStartView)
#         .Permission('appointments.can_start_service')
#         .Next(this.complete_service)
#     )
#
#     complete_service = (
#         flow_view(ServiceCompletionView)
#         .Permission('appointments.can_complete_service')
#         .Next(this.exit_queue)
#     )
#
#     exit_queue = (
#         flow_func(this.finalize_queue_management)
#         .Next(this.end)
#     )
#
#     end = flow_func(this.end_queue_management)
#
#     # Flow functions
#     def start_queue_management(self, activation):
#         """Initialize the queue management process"""
#         process = activation.process
#         entry = process.queue_entry
#
#         # Update entry status
#         entry.status = 'WAITING'
#         entry.save()
#
#         # Send queue notification
#         self.notify_queue_entry(entry)
#
#     def calculate_queue_position(self, activation):
#         """Calculate and assign queue position"""
#         process = activation.process
#         entry = process.queue_entry
#
#         # Calculate position based on priority and arrival time
#         position = self.determine_queue_position(entry)
#         entry.queue_position = position
#         entry.save()
#
#         # Mark position assigned
#         process.position_assigned = True
#         process.save()
#
#         # Update other queue positions
#         self.update_queue_positions(entry.queue)
#
#     def calculate_wait_time(self, activation):
#         """Calculate estimated wait time"""
#         process = activation.process
#         entry = process.queue_entry
#
#         # Calculate estimated service time
#         estimated_time = self.estimate_service_time(entry)
#         entry.estimated_service_time = estimated_time
#         entry.save()
#
#         # Mark wait time estimated
#         process.wait_time_estimated = True
#         process.save()
#
#         # Send wait time notification
#         self.notify_wait_time(entry)
#
#     def finalize_queue_management(self, activation):
#         """Finalize the queue management process"""
#         process = activation.process
#         entry = process.queue_entry
#
#         # Update entry status
#         entry.status = 'COMPLETED'
#         entry.served_at = timezone.now()
#         entry.save()
#
#         # Mark process as completed
#         process.queue_exited = True
#         process.save()
#
#         # Update queue metrics
#         self.update_queue_metrics(entry)
#
#         # Notify next patient
#         self.notify_next_patient(entry.queue)
#
#     def end_queue_management(self, activation):
#         """End the queue management workflow"""
#         process = activation.process
#
#         # Generate queue summary
#         self.generate_queue_summary(process.queue_entry)
#
#     # Helper methods
#     def notify_queue_entry(self, entry):
#         """Notify patient of queue entry"""
#         if entry.patient.email:
#             send_mail(
#                 subject='Added to Waiting Queue',
#                 message=f'You have been added to the {entry.queue.name} queue.',
#                 from_email='appointments@hospital.com',
#                 recipient_list=[entry.patient.email],
#                 fail_silently=True
#             )
#
#     def determine_queue_position(self, entry):
#         """Determine queue position based on priority"""
#         # This would implement priority-based positioning logic
#         return entry.queue.current_queue_size + 1
#
#     def update_queue_positions(self, queue):
#         """Update positions for all entries in queue"""
#         entries = queue.queue_entries.filter(status='WAITING').order_by('priority_score', 'joined_at')
#         for i, entry in enumerate(entries, 1):
#             entry.queue_position = i
#             entry.save()
#
#     def estimate_service_time(self, entry):
#         """Estimate service time for queue entry"""
#         queue = entry.queue
#         position = entry.queue_position
#         avg_service_time = queue.average_service_time_minutes
#
#         estimated_minutes = position * avg_service_time
#         return timezone.now() + timedelta(minutes=estimated_minutes)
#
#     def notify_wait_time(self, entry):
#         """Notify patient of estimated wait time"""
#         if entry.patient.email and entry.estimated_service_time:
#             wait_minutes = int((entry.estimated_service_time - timezone.now()).total_seconds() / 60)
#             send_mail(
#                 subject='Queue Wait Time Update',
#                 message=f'Your estimated wait time is {wait_minutes} minutes.',
#                 from_email='appointments@hospital.com',
#                 recipient_list=[entry.patient.email],
#                 fail_silently=True
#             )
#
#     def update_queue_metrics(self, entry):
#         """Update queue performance metrics"""
#         # This would update queue analytics
#         pass
#
#     def notify_next_patient(self, queue):
#         """Notify next patient in queue"""
#         next_entry = queue.queue_entries.filter(
#             status='WAITING'
#         ).order_by('queue_position').first()
#
#         if next_entry:
#             self.notify_patient_ready(next_entry)
#
#     def notify_patient_ready(self, entry):
#         """Notify patient they are ready to be called"""
#         if entry.patient.email:
#             send_mail(
#                 subject='Ready for Appointment',
#                 message='You will be called shortly for your appointment.',
#                 from_email='appointments@hospital.com',
#                 recipient_list=[entry.patient.email],
#                 fail_silently=True
#             )
#
#     def generate_queue_summary(self, entry):
#         """Generate queue management summary"""
#         # This would generate queue analytics
#         pass
#
#
# class TelemedicineSetupProcess(Process):
#     """
#     Viewflow process model for telemedicine setup
#     """
#     appointment_request = ModelField(AppointmentRequest, help_text='Associated appointment request')
#
#     # Process status tracking
#     platform_selected = models.BooleanField(default=False)
#     meeting_created = models.BooleanField(default=False)
#     credentials_sent = models.BooleanField(default=False)
#     technical_check_completed = models.BooleanField(default=False)
#     meeting_ready = models.BooleanField(default=False)
#
#     class Meta:
#         verbose_name = 'Telemedicine Setup Process'
#         verbose_name_plural = 'Telemedicine Setup Processes'
#
#
# class TelemedicineSetupFlow(Flow):
#     """
#     Telemedicine Setup Workflow
#
#     This flow manages telemedicine appointment setup including
#     platform selection, meeting creation, and technical verification.
#     """
#
#     process_class = TelemedicineSetupProcess
#
#     # Flow definition
#     start = (
#         flow_func(this.start_telemedicine_setup)
#         .Next(this.select_platform)
#     )
#
#     select_platform = (
#         flow_view(PlatformSelectionView)
#         .Permission('appointments.can_select_platforms')
#         .Next(this.create_meeting)
#     )
#
#     create_meeting = (
#         flow_view(MeetingCreationView)
#         .Permission('appointments.can_create_meetings')
#         .Next(this.send_credentials)
#     )
#
#     send_credentials = (
#         flow_view(CredentialSendingView)
#         .Permission('appointments.can_send_credentials')
#         .Next(this.technical_check)
#     )
#
#     technical_check = (
#         flow_view(TechnicalCheckView)
#         .Permission('appointments.can_perform_technical_checks')
#         .Next(this.finalize_setup)
#     )
#
#     finalize_setup = (
#         flow_func(this.complete_telemedicine_setup)
#         .Next(this.end)
#     )
#
#     end = flow_func(this.end_telemedicine_setup)
#
#     # Flow functions
#     def start_telemedicine_setup(self, activation):
#         """Initialize the telemedicine setup process"""
#         process = activation.process
#         appointment = process.appointment_request
#
#         # Mark as telemedicine appointment
#         appointment.is_telemedicine = True
#         appointment.save()
#
#         # Send setup notification
#         self.notify_telemedicine_setup(appointment)
#
#     def complete_telemedicine_setup(self, activation):
#         """Finalize the telemedicine setup process"""
#         process = activation.process
#         appointment = process.appointment_request
#
#         # Mark meeting as ready
#         process.meeting_ready = True
#         process.save()
#
#         # Send final meeting details
#         self.send_final_meeting_details(appointment)
#
#         # Schedule pre-meeting reminder
#         self.schedule_pre_meeting_reminder(appointment)
#
#     def end_telemedicine_setup(self, activation):
#         """End the telemedicine setup workflow"""
#         process = activation.process
#
#         # Log setup completion
#         self.log_telemedicine_setup(process.appointment_request)
#
#     # Helper methods
#     def notify_telemedicine_setup(self, appointment):
#         """Notify patient of telemedicine setup"""
#         if appointment.patient.email:
#             send_mail(
#                 subject='Telemedicine Appointment Setup',
#                 message='Your telemedicine appointment is being set up. You will receive meeting details shortly.',
#                 from_email='telemedicine@hospital.com',
#                 recipient_list=[appointment.patient.email],
#                 fail_silently=True
#             )
#
#     def send_final_meeting_details(self, appointment):
#         """Send final meeting details to patient"""
#         if appointment.patient.email:
#             send_mail(
#                 subject='Telemedicine Meeting Details',
#                 message=f'Meeting URL: {appointment.meeting_url}\nMeeting ID: {appointment.meeting_id}',
#                 from_email='telemedicine@hospital.com',
#                 recipient_list=[appointment.patient.email],
#                 fail_silently=True
#             )
#
#     def schedule_pre_meeting_reminder(self, appointment):
#         """Schedule pre-meeting reminder"""
#         if appointment.scheduled_datetime:
#             reminder_time = appointment.scheduled_datetime - timedelta(minutes=15)
#             if reminder_time > timezone.now():
#                 send_telemedicine_reminder.apply_async(
#                     args=[appointment.id],
#                     eta=reminder_time
#                 )
#
#     def log_telemedicine_setup(self, appointment):
#         """Log telemedicine setup completion"""
#         # This would log setup details
#         pass
#
#
# # Celery tasks for background processing
# @celery.job
# def send_appointment_reminder(appointment_id, reminder_type):
#     """Background task to send appointment reminders"""
#     try:
#         appointment = AppointmentRequest.objects.get(id=appointment_id)
#
#         if reminder_type == '24_hour':
#             subject = 'Appointment Reminder - Tomorrow'
#             message = f'Reminder: You have an appointment tomorrow at {appointment.scheduled_datetime}.'
#         elif reminder_type == '2_hour':
#             subject = 'Appointment Reminder - 2 Hours'
#             message = f'Reminder: You have an appointment in 2 hours at {appointment.scheduled_datetime}.'
#
#         if appointment.patient.email:
#             send_mail(
#                 subject=subject,
#                 message=message,
#                 from_email='appointments@hospital.com',
#                 recipient_list=[appointment.patient.email],
#                 fail_silently=True
#             )
#
#         return True
#     except Exception:
#         return False
#
#
# @celery.job
# def send_telemedicine_reminder(appointment_id):
#     """Background task to send telemedicine pre-meeting reminder"""
#     try:
#         appointment = AppointmentRequest.objects.get(id=appointment_id)
#
#         if appointment.patient.email:
#             send_mail(
#                 subject='Telemedicine Meeting Starting Soon',
#                 message=f'Your telemedicine appointment starts in 15 minutes. Meeting URL: {appointment.meeting_url}',
#                 from_email='telemedicine@hospital.com',
#                 recipient_list=[appointment.patient.email],
#                 fail_silently=True
#             )
#
#         return True
#     except Exception:
#         return False
#
#
# @celery.job
# def auto_confirm_appointments():
#     """Background task to automatically confirm appointments"""
#     try:
#         # This would implement auto-confirmation logic
#         return True
#     except Exception:
#         return False
#
#
# @celery.job
# def manage_no_shows():
#     """Background task to manage no-show appointments"""
#     try:
#         # This would identify and handle no-show appointments
#         return True
#     except Exception:
#         return False
#
#
# @celery.job
# def optimize_schedules():
#     """Background task to optimize provider schedules"""
#     try:
#         # This would implement schedule optimization
#         return True
#     except Exception:
#         return False
#
#
# @celery.job
# def update_queue_positions():
#     """Background task to update queue positions"""
#     try:
#         # This would update queue positions and wait times
#         return True
#     except Exception:
#         return False
#