import types

from decorator import decorator

from .user import vUser

from .schema import Offer

from .dbdefer import  dbdefer

from .pool import runInDBPool

from ..error import ValidateException

def vRoute(typ):

    @dbdefer

    def wrapper(session, value, field, allowString=True, allowList=True):

        str_ = False

        ret = []

        if type(value) is types.StringType:

            if not allowString:

                raise ValidateException(field=field,msg='%s must be a list of routes.'%field)

            str_=True

            value=[value]

        elif not allowList:

            raise ValidateException(field=field,msg='%s must be a route - No list of routes.'%field)

        routes =[o.name for o in Offer.routes(session,typ)]

        for v in value:

            if v not in routes:

                raise ValidateException(field=field,msg='Route %s is not valid.'%v)

            if v not in ret:

                ret.append(v)

        if str_:

            return ret[0]

        return ret

    return wrapper

@dbdefer

def vTyp(value,field, session):

        if value == typ[0]:

            break

    else:

        raise ValidateException(field=field,msg='Typ is not valid.')

    return value