from __future__ import absolute_import

import sys

try:
    import v8eval
except ImportError:
    sys.tracebacklimit = 0
    raise RuntimeError('Please install the python module v8eval either via pip or download it from https://github.com/sony/v8eval')

from . import JavaScriptInterpreter


class ChallengeInterpreter(JavaScriptInterpreter):

    def __init__(self):
        super(ChallengeInterpreter, self).__init__('v8')

    def eval(self, jsEnv, js):
        try:
            return v8eval.V8().eval('{}{}'.format(jsEnv, js))
        except:  # noqa
            RuntimeError('We encountered an error running the V8 Engine.')


ChallengeInterpreter()