'use server'

import { revalidatePath } from 'next/cache'
import { auth } from '@/lib/auth'
import { eventRegistrationService } from '@/services/events/event-registration.service'
import {
  ValidationError,
  NotFoundError,
  ConflictError,
} from '@/services/errors'

export async function registerForEvent(eventId: string) {
  try {
    const session = await auth()

    if (!session?.user?.id) {
      return { success: false, error: 'Vous devez être connecté pour vous inscrire' }
    }

    const registration = await eventRegistrationService.validateAndRegisterUser(
      session.user.id,
      eventId
    )

    revalidatePath('/events')
    revalidatePath('/')

    return { success: true, message: 'Inscription réussie', data: registration }
  } catch (error) {
    console.error('Registration error:', error)

    if (error instanceof ValidationError || error instanceof ConflictError) {
      return { success: false, error: error.message }
    }
    if (error instanceof NotFoundError) {
      return { success: false, error: error.message }
    }

    return { success: false, error: 'Une erreur est survenue lors de l\'inscription' }
  }
}

export async function unregisterFromEvent(eventId: string) {
  try {
    const session = await auth()

    if (!session?.user?.id) {
      return { success: false, error: 'Vous devez être connecté' }
    }

    await eventRegistrationService.unregisterUserFromEvent(
      session.user.id,
      eventId
    )

    revalidatePath('/events')
    revalidatePath('/')

    return { success: true, message: 'Inscription annulée' }
  } catch (error) {
    console.error('Unregistration error:', error)
    return { success: false, error: 'Une erreur est survenue lors de l\'annulation' }
  }
}