#!/usr/bin/python2

from gi.repository import Gio


class EasyGSettings:

    def __init__(self, schema = None):
        self.schema = schema
        self.settings = Gio.Settings.new(self.schema)
        self.handlerIds = []

    def get(self, type, key):

        if type == "bool":
            return self.settings.get_boolean(key)
        if type == "string":
            return self.settings.get_string(key)
        if type == "int":
            return self.settings.get_int(key)
        if type == "color":
            color = self.settings.get_string(key)
            if not self.evalColor(color):
                self.settings.set_string(key, "#ffffff")
                return "#ffffff"
            return color

        t = type.split("-")
        if len(t) == 2 and t[0] == "list":
            return self.settings.get_strv(key)

        return self.settings.get(key)

    def set(self, type, key, value):

        if type == "bool":
            return self.settings.set_boolean(key, value)

        if type == "string":
            return self.settings.set_string(key, value)

        if type == "int":
            return self.settings.set_int(key, value)

        if type == "color":
            if self.evalColor(value):
                return self.settings.set_string(key, value)
            else:
                return self.settings.set_string(key, "#ffffff")

        t = type.split("-")
        if len(t) == 2 and t[0] == "list":
            return self.settings.set_strv(key, value)

        return self.settings.set(key, value)

    def notifyAdd(self, key, callback, args = None):
        handlerId = self.settings.connect("changed::"+key, callback, args)
        self.handlerIds.append(handlerId)
        return handlerId

    def notifyRemove(self, handlerId):
        return self.settings.disconnect(handlerId)

    def notifyRemoveAll(self):
        for handlerId in self.handlerIds:
            self.settings.disconnect(handlerId)

    def evalColor(self, colorToTest):
        if colorToTest[0] != '#' or len(colorToTest) != 7:
            return False
        for i in colorToTest[1:]:
            if i not in ['a', 'A', 'b', 'B', 'c', 'C', 'd', 'D', 'e', 'E', 'f', 'F', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9']:
                return False
        return True

    def bindGSettingsEntryToVar(self, type, key, obj, varName):
        return self.notifyAdd(key, self.setVar, (type, obj, varName))

    def setVar(self, settings, key, args):
        type, obj, varName = args

        if type == "string":
            setattr(obj, varName, settings.get_string(key))
        elif type == "int":
            setattr(obj, varName, settings.get_int(key))
        elif type == "float":
            setattr(obj, varName, settings.get_float(key))
        elif type == "bool":
            setattr(obj, varName, settings.get_boolean(key))
        else:
            setattr(obj, varName, settings.get_value(key))