# configitems.py - centralized declaration of configuration option

#

#  Copyright 2017 Pierre-Yves David <pierre-yves.david@octobus.net>

#

# This software may be used and distributed according to the terms of the

# GNU General Public License version 2 or any later version.

from __future__ import absolute_import

import functools

from . import (

    error,

)

def loadconfigtable(ui, extname, configtable):

    """update config item known to the ui with the extension ones"""

    for section, items in configtable.items():

        knownitems = ui._knownconfig.setdefault(section, {})

        knownkeys = set(knownitems)

        newkeys = set(items)

        for key in sorted(knownkeys & newkeys):

            msg = "extension '%s' overwrite config item '%s.%s'"

            msg %= (extname, section, key)

            ui.develwarn(msg, config='warn-config')

        knownitems.update(items)

class configitem(object):

    """represent a known config item

    :section: the official config section where to find this item,

       :name: the official name within the section,

    :default: default value for this item,

    """

    def __init__(self, section, name, default=None):

        self.section = section

        self.name = name

        self.default = default

coreitems = {}

def _register(configtable, *args, **kwargs):

    item = configitem(*args, **kwargs)

    section = configtable.setdefault(item.section, {})

    if item.name in section:

        msg = "duplicated config item registration for '%s.%s'"

        raise error.ProgrammingError(msg % (item.section, item.name))

    section[item.name] = item

# Registering actual config items

def getitemregister(configtable):

    return functools.partial(_register, configtable)

coreconfigitem = getitemregister(coreitems)

coreconfigitem('patch', 'fuzz',

    default=2,

)

coreconfigitem('ui', 'clonebundleprefers',

    default=[],

)

coreconfigitem('ui', 'interactive',

    default=None,

)

coreconfigitem('ui', 'quiet',

    default=False,

)