import bbcode
from django.utils.module_loading import import_string

from . import formatters
from ... import settings
PARSER = bbcode.Parser(newline="\n",escape_html=True,replace_links=False)


def add_simple_formatters(simple_formatters):

    for i in simple_formatters:
        if len(i) == 0:
            continue

        if len(i) == 1:
            kwargs = {}
        else:
            kwargs = i[1]
        PARSER.add_simple_formatter(*i[0], **kwargs)

def add_formatters(formatters):
    for i in formatters:
        if len(i) == 0:
            continue
        if isinstance(i[0][1], str):
            if len(i[0]) < 2:
                continue
            elif len(i[0]) == 2:
                args = (i[0][0], import_string(i[0][1]))
            else:
                args = (i[0][0], import_string(i[0][1]), *i[2:])
        else:
            args = i[0]

        if len(i) == 1:
            kwargs = {}
        else:
            kwargs = i[1]

        PARSER.add_formatter(*args, **kwargs)


def _():

    add_simple_formatters(formatters.SIMPLE_FORMATTERS)
    add_formatters(formatters.FORMATTERS)
    if settings.TINYWIKI_BBCODE_EXTRA_SIMPLE_FORMATTERS:
        add_simple_formatters(settings.TINYWIKI_BBCODE_EXTRA_SIMPLE_FORMATTERS)
    if settings.TINYWIKI_BBCODE_EXTRA_FORMATTERS:
        add_formatters(settings.TINYWIKI_BBCODE_EXTRA_FORMATTERS)

_()
del _