# frozen_string_literal: true

class Ability
  include CanCan::Ability

  def initialize(user)
    # Define abilities for the passed in user here. For example:
    #
    #   user ||= User.new # guest user (not logged in)
    #   if user.admin?
    #     can :manage, :all
    #   else
    #     can :read, :all
    #   end
    #
    # The first argument to `can` is the action you are giving the user
    # permission to do.
    # If you pass :manage it will apply to every action. Other common actions
    # here are :read, :create, :update and :destroy.
    #
    # The second argument is the resource the user can perform the action on.
    # If you pass :all it will apply to every resource. Otherwise pass a Ruby
    # class of the resource.
    #
    # The third argument is an optional hash of conditions to further filter the
    # objects.
    # For example, here the user can only update published articles.
    #
    #   can :update, Article, :published => true
    #
    # See the wiki for details:
    # https://github.com/CanCanCommunity/cancancan/wiki/Defining-Abilities

    # Everybody can see public screenshots
    can :view, Screenshot, approved: true, hidden: false

    return unless user.present? # Logged-in users

    # Allow to view own uploads (even not-yet-approved)
    can :view, Screenshot, user_id: user.id
    can :destroy, Screenshot, user_id: user.id

    if user.admin_role?
      can :approve, Screenshot
      can :destroy, Screenshot
      can :hide, Screenshot
      can :unhide, Screenshot
      can :destroy, User
      can :view, Screenshot
      can :destroy, Package
      can :view, Log
    end
    return unless user.moderator_role?

    can :approve, Screenshot
    can :hide, Screenshot
    can :unhide, Screenshot
    can :view, Screenshot
  end
end
