# -*- coding: utf-8 -*-
from common.misc import arg_abbr
from common.strings import StaticAnswers
import json


class Helper:
	def __init__(self):
		self.possible_vars = StaticAnswers().helpfile["help_advanced"].keys()

	def receive(self, target):
		# optional argument abbreviation
		target = arg_abbr(target, self.possible_vars)

		if target in self.possible_vars:
			return StaticAnswers().help_doc(target)
		else:
			return StaticAnswers().help_doc()

	def format(self, query, target, opt_arg):
		doc = self.receive(target)

		if target in self.possible_vars:
			answer = json.dumps(StaticAnswers().help_doc(target), indent=4)

		else:
			answer = "\n".join(['%s' % value for (_, value) in doc.items()])

		return answer