module EffectiveCommitteesUser

def build_committee_member(committee:)
  committee_member(committee: committee) || committee_members.build(committee: committee)
end

def committee_member(committee:)
  committee_members.find { |rep| rep.committee_id == committee.id }
end

def committees
  committee_members.includes(:committee).select { |cm| cm.active? && !cm.marked_for_destruction? }.map { |cm| cm.committee }
end

def committees_recent_activity(limit: 100)
  logs = EffectiveLogging.Log.logged_changes.deep
    .where(changes_to_type: 'Effective::Committee', changes_to_id: committees.map(&:id))
    .order(created_at: :desc)
  # Recent activity should be for folders being created and files being uploaded/replaced
  logs = logs.select do |log|
    folder_created = (log.associated_type == 'Effective::CommitteeFolder' && log.message == 'Created')
    file_changed = (log.associated_type == 'Effective::CommitteeFile' && (log.message == 'Created' || log.details.dig(:changes, 'File').present?))
    folder_created || file_changed
  end
  # Returns an Array of Arrays where some are 1 length groups
  # Others are multiple length groups of file changes to one folder
  logs = logs.slice_when do |a, b|
    (a.changes_to_id != b.changes_to_id) || 
    (a.associated_type != b.associated_type) || 
    (b.associated_type == "Effective::CommitteeFolder") ||
    (a.associated.try(:committee_folder_id) != b.associated.try(:committee_folder_id))
  end
  logs.take(limit)
end