import Component from '#models/component'
import Computer from '#models/computer'

async function handleComponents(componentsId: number[], computer: Computer) {
  const currentComponents = await computer.related('components').query()
  const currentComponentsIds = currentComponents.map((component) => component.id)
  const componentsToAdd = componentsId.filter((id) => !currentComponentsIds.includes(id))
  const componentsToRemove = currentComponentsIds.filter((id) => !componentsId.includes(id))
  await Promise.all(
    componentsToAdd.map(async (id: number) => {
      const component = await Component.findOrFail(id)
      component.computerId = computer.id
      await component.save()
    })
  )
  await Promise.all(
    componentsToRemove.map(async (id: number) => {
      const component = await Component.findOrFail(id)
      component.computerId = null
      await component.save()
    })
  )
}

export { handleComponents }