#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
try:
    import jinja2
except ImportError:
    jinja2 = None
import optparse
import os
import sys
import importlib

BASEPATH = os.path.abspath(os.path.join(os.path.dirname(__file__)))
sys.path.insert(0, BASEPATH)


ITYPE_SEC = "SEC"
ITYPE_REQ = "REQ"



class rspec(dict):
    KEY_MAIN_TITLE = "title"
    KEY_MAIN_ENTRIES = "entries"
    KEY_MAIN_SECTIONS = "sections"

    KEY_SEC_CHILDS = "childs"

    def __init__(self):
        super().__init__()
        self[self.KEY_MAIN_ENTRIES] = {}
        self[self.KEY_MAIN_SECTIONS] = []

    def add_title(self, title):
        self[self.KEY_MAIN_TITLE] = title

    def add(self, **kwargs):
        #
        # UUID
        #
        try:
            uuid = kwargs.pop("itemtype") + "-" + "%04d" % kwargs.pop("id")
        except KeyError:
            raise KeyError(
                "Missing required argument itemtype or id in kwargs: %s" % repr(kwargs))
        #
        # Check uuid is unique
        #
        if uuid in self[self.KEY_MAIN_ENTRIES]:
            raise AttributeError("UUID %s already exists in entries" % uuid)
        #
        # Parent
        #
        try:
            parent = kwargs.pop("parent")
        except KeyError:
            if not uuid.lower().startswith(ITYPE_SEC.lower()):
                raise KeyError(
                    "You need to specify a parent for non sec entries")
        #
        # Create Structure
        #
        if uuid.lower().startswith(ITYPE_SEC.lower()):
            # Create section
            self[self.KEY_MAIN_SECTIONS].append(uuid)
        else:
            # Add item to section
            self[self.KEY_MAIN_ENTRIES][parent][self.KEY_SEC_CHILDS].append(uuid)

        #
        # Add item to itemlist
        #
        if uuid.lower().startswith(ITYPE_SEC.lower()):
            kwargs[self.KEY_SEC_CHILDS] = []
        self[self.KEY_MAIN_ENTRIES][uuid] = kwargs
        #
        return uuid