class Apartment::Adapters::Sqlite3Adapter

def connect_to_new(tenant)
  return reset if tenant.nil?
  unless File.exist?(database_file(tenant))
    raise TenantNotFound,
          "The tenant #{environmentify(tenant)} cannot be found."
  end
  super database_file(tenant)
end

def create_tenant(tenant)
  if File.exist?(database_file(tenant))
    raise TenantExists,
          "The tenant #{environmentify(tenant)} already exists."
  end
  begin
    f = File.new(database_file(tenant), File::CREAT)
  ensure
    f.close
  end
end

def current
  File.basename(Apartment.connection.instance_variable_get(:@config)[:database], '.sqlite3')
end

def database_file(tenant)
  "#{@default_dir}/#{environmentify(tenant)}.sqlite3"
end

def drop(tenant)
  unless File.exist?(database_file(tenant))
    raise TenantNotFound,
          "The tenant #{environmentify(tenant)} cannot be found."
  end
  File.delete(database_file(tenant))
end

def initialize(config)
  @default_dir = File.expand_path(File.dirname(config[:database]))
  super
end