import os
import markdown

from django.core.management.base import BaseCommand, CommandError

from settings import MARKDOWN_PATH, DEPLOY_PATH

class Command(BaseCommand):
    help = 'Parse markdown files in %s' % MARKDOWN_PATH

    def handle(self, *args, **options):
        for root, dirs, files in os.walk(MARKDOWN_PATH):
            for file in files:
                subdir = root.replace(MARKDOWN_PATH, "")
                mdfile = '%s/%s' % (root, file)
                mdtuple = os.path.splitext(file)
                mdname = '%s/%s' % (subdir, mdtuple[0])
                htmlpath = '%s/templates/html_pages/%s' % (DEPLOY_PATH, mdname)
                htmlfile = '%s/index.html' % htmlpath

                if mdtuple[1] == '.mdwn' \
                        and os.path.exists(mdfile) and not os.path.exists(htmlfile) \
                        or os.path.getmtime(mdfile) > os.path.getmtime(htmlfile):

                    if not os.path.exists(htmlpath):
                        os.makedirs(htmlpath)

                    md = markdown.Markdown()
                    print 'Converting ', mdname, '-->', htmlfile,
                    wikiExtension = 'wikilinks(base_url=%s/)' % subdir
                    markdown.markdownFromFile(input=mdfile, output=htmlfile,
                                              encoding="utf-8",
                                              extensions=[wikiExtension])
                    print ' ... succeeded'