#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Fri Sep 27 14:35:31 2019

@author: Guido Longoni - guidolongoni@gmail.com
"""

import commands as cmd
import re


def cmdString(cmdName, cmdArgs=None):
    cmdDict = cmd.MKPcommands[cmdName]
    return str(cmd.DEFprefix['begin'] if cmdDict['defPrefix'] else cmdDict['begin']) \
        + str(cmdDict['command']) \
        + str(';'.join([cmdArgs[k] for k in cmdDict['args']]) if cmdArgs is not None else '') \
        + str(cmd.DEFprefix['end']
              if cmdDict['defPrefix'] else cmdDict['end'])


def checkResponse(cmdName, response):
    sucKey = 'success'
    cmdDict = cmd.MKPcommands[cmdName]
    if sucKey in cmdDict and cmdDict[sucKey] is not None:
        if cmdDict[sucKey] == True:
            error = checkError(cmdName, response)
            if error is None:
                return None
            else:
                return error
        if re.match(cmdDict[sucKey], response, re.I):
            return True
        error = checkError(cmdName, response)
        if error is None:
            raise NotImplementedError(
                'Ricevuta risposta sconosciuta: {}'.format(response))
        else:
            return error
    else:
        error = checkError(cmdName, response)
        return error


def checkError(cmdName, response):
    errKey = 'error'
    cmdDict = cmd.MKPcommands[cmdName]
    if errKey in cmdDict and cmdDict[errKey] is not None:
        return None
    error_codes = re.match(cmdDict[errKey], response, re.I)
    if error_codes:
        return error_codes.groups()
    return None