class Fragment {
  constructor({ fragment }) {
    this.fragment = fragment
  }
  async getFragmentData({ handlingEditor = {} }) {
    const { fragment: { metadata, recommendations = [], id } } = this
    const heRecommendation = recommendations.find(
      rec => rec.userId === handlingEditor.id,
    )
    let { title, abstract } = metadata
    const { type } = metadata
    title = title.replace(/<(.|\n)*?>/g, '')
    abstract = abstract ? abstract.replace(/<(.|\n)*?>/g, '') : ''

    return {
      id,
      type,
      title,
      abstract,
      recommendations,
      heRecommendation,
    }
  }

  async addAuthor({ user, isSubmitting, isCorresponding }) {
    const { fragment } = this
    fragment.authors = fragment.authors || []
    const author = {
      id: user.id,
      firstName: user.firstName || '',
      lastName: user.lastName || '',
      email: user.email,
      title: user.title || '',
      affiliation: user.affiliation || '',
      isSubmitting,
      isCorresponding,
    }
    fragment.authors.push(author)
    await fragment.save()

    return author
  }

  async getAuthorData({ UserModel }) {
    const { fragment: { authors } } = this
    const submittingAuthorData = authors.find(
      author => author.isSubmitting === true,
    )
    const submittingAuthor = await UserModel.find(submittingAuthorData.userId)
    const authorsPromises = authors.map(async author => {
      const user = await UserModel.find(author.userId)
      return `${user.firstName} ${user.lastName}`
    })
    const authorsList = await Promise.all(authorsPromises)

    return {
      authorsList,
      submittingAuthor,
    }
  }

  getReviewerInvitations({ agree = true }) {
    const { fragment: { invitations } } = this
    return agree
      ? invitations.filter(
          inv =>
            inv.role === 'reviewer' &&
            inv.hasAnswer === true &&
            inv.isAccepted === true,
        )
      : invitations.filter(
          inv => inv.role === 'reviewer' && inv.hasAnswer === false,
        )
  }
}

module.exports = Fragment