# frozen_string_literal: true

class TeamSharedObject < ApplicationRecord
  enum permission_level: Extends::SHARED_OBJECTS_PERMISSION_LEVELS.except(:not_shared)


  after_create :assign_shared_inventories, if: -> { shared_object.is_a?(Repository) }
  before_destroy :unassign_unshared_items, if: -> { shared_object.is_a?(Repository) }
  before_destroy :unassign_unshared_inventories, if: -> { shared_object.is_a?(Repository) }

  belongs_to :team
  belongs_to :shared_object, polymorphic: true, inverse_of: :team_shared_objects
  belongs_to :shared_repository,
             (lambda do |team_shared_object|
               team_shared_object.shared_object_type == 'RepositoryBase' ? self : none
             end),
             optional: true,
             class_name: 'RepositoryBase',
             foreign_key: :shared_object_id

  validates :permission_level, presence: true
  validates :shared_object_type, uniqueness: { scope: %i(shared_object_id team_id) }
  validate :team_cannot_be_the_same
  validate :not_globally_shared, if: -> { shared_object.is_a?(Repository) }

  private

  def team_cannot_be_the_same
    errors.add(:team_id, :same_team) if shared_object.team.id == team_id
  end

  def not_globally_shared
    errors.add(:shared_object_id, :is_globally_shared) if shared_object.globally_shared?
  end

  def assign_shared_inventories
    team.user_assignments.find_each do |user_assignment|
      shared_object.user_assignments.create!(
        user: user_assignment.user,
        user_role: user_assignment.user_role,
        team: team
      )
    end
  end

  def unassign_unshared_items
    return if shared_object.shared_read? || shared_object.shared_write?

    MyModuleRepositoryRow.joins(my_module: { experiment: { project: :team } })
                         .joins(repository_row: :repository)
                         .where(my_module: { experiment: { projects: { team: team } } })
                         .where(repository_rows: { repository: shared_object })
                         .destroy_all
  end

  def unassign_unshared_inventories
    team.repository_sharing_user_assignments.where(assignable: shared_object).find_each(&:destroy!)
  end
end