class Decidim::Meetings::Permissions

def can_create_meetings?
  component_settings&.creation_enabled_for_participants?
end

def can_decline_invitation?
  meeting.registrations_enabled? &&
    meeting.invites.where(user: user).exists?
end

def can_join_meeting?
  meeting.can_be_joined_by?(user) &&
    authorized?(:join, resource: meeting)
end

def can_leave_meeting?
  meeting.registrations_enabled?
end

def can_register_invitation_meeting?
  meeting.can_register_invitation?(user) &&
    authorized?(:register, resource: meeting)
end

def can_update_meeting?
  component_settings&.creation_enabled_for_participants? &&
    meeting.authored_by?(user)
end

def meeting
  @meeting ||= context.fetch(:meeting, nil)
end

def permissions
  return permission_action unless user
  # Delegate the admin permission checks to the admin permissions class
  return Decidim::Meetings::Admin::Permissions.new(user, permission_action, context).permissions if permission_action.scope == :admin
  return permission_action if permission_action.scope != :public
  return permission_action if permission_action.subject != :meeting
  case permission_action.action
  when :join
    toggle_allow(can_join_meeting?)
  when :leave
    toggle_allow(can_leave_meeting?)
  when :decline_invitation
    toggle_allow(can_decline_invitation?)
  when :create
    toggle_allow(can_create_meetings?)
  when :update
    toggle_allow(can_update_meeting?)
  when :register
    toggle_allow(can_register_invitation_meeting?)
  end
  permission_action
end