# -*- coding: utf-8 -*-

import getpass
import os

from pykolab import constants

def ask_question(question, default="", password=False):

    if password:
        answer = getpass.getpass("%s: " %(question))
    else:
        if default == "":
            answer = raw_input("%s: " %(question))
        else:
            answer = raw_input("%s [%s]: " %(question, default))

    if answer == "":
        return default
    else:
        return answer

def ask_confirmation(question, default="y", all_inclusive_no=True):
    if default in [ "y", "Y" ]:
        default_answer = True
        default_no = "n"
        default_yes = "Y"
    elif default in [ "n", "N" ]:
        default_answer = True
        default_no = "N"
        default_yes = "y"
    else:
        # This is a 'yes' or 'no' question the user
        # needs to provide the full yes or no for.
        default_no = "'no'"
        default_yes = "Please type 'yes'"
    answer = False
    while answer == False:
        answer = raw_input("%s [%s/%s]: " %(question,default_yes,default_no))
        # Parse answer and set back to False if not appropriate
        if all_inclusive_no:
            if not answer in [ "y", "Y", "yes" ]:
                return False
            else:
                return True
        else:
            if answer in [ "y", "Y", "yes" ]:
                return True
            elif answer in [ "n", "N", "no" ]:
                return False
            elif answer == "" and not default_answer == None:
                return default_answer
            else:
                answer = False
                print >> sys.stderr, _("Please answer 'yes' or 'no'.")

def parse_input(_input, splitchars= [ ' ' ]):
    """
        Split the input string using the split characters defined
        in splitchars, and remove the empty list items, then unique the
        list items.

        Takes a string as input, and a list of characters the string should be
        split with (list of delimiter characters).
    """

    _parse_list = _input.split(splitchars.pop())
    _output_list = []

    for splitchar in splitchars:
        __parse_list = []
        for item in _parse_list:
            __parse_list.extend(item.split(splitchar))
        _parse_list = __parse_list

    for item in _parse_list:
        if not item == '':
            if _output_list.count(item) < 1:
                _output_list.append(item)

    return _output_list

def pop_empty_from_list(_input_list):
    _output_list = []

    for item in _input_list:
        if not item == '':
            _output_list.append(item)

def is_service(services):
    """
        Checks each item in list services to see if it has a RC script in
        constants.RC_DIR to see if it's a service, and returns
        the name of the service for the first service it can find. However,
        it also checks whether the other services exist and issues a warning if
        more then one service exists.

        Usage: utils.is_service(['dirsrv', 'ldap'])
    """
    _service = ''
    _other_services = []

    for service in services:
        if os.path.isfile(os.path.join(constants.RC_DIR, service)):
            if _service == '':
                _service = service
            else:
                _other_services.append(service)

    return (_service,_other_services)