#!/usr/bin/python3
import os
import os.path
import sys


#from jinja2 import Environment, PackageLoader, Template, FileSystemLoader
from jinja2 import Environment, PackageLoader, Template, FileSystemLoader

import mistune

#global name for templates
article = {}#

#class TocMixin():
#	"""TOC mixin for Renderer, mix this with Renderer::#

#		class TocRenderer(TocMixin, Renderer):
#			pass#

#		toc = TocRenderer()
#		md = mistune.Markdown(renderer=toc)#

#		# required in this order
#		toc.reset_toc()		  # initial the status
#		md.parse(text)		   # parse for headers
#		toc.render_toc(level=3)  # render TOC HTML
#	"""#

#	def reset_toc(self):
#		self.toc_tree = []
#		self.toc_count = 0
#		self.title = None
#		self.img_count = -1#

#	def header(self, text, level, raw=None):
#		rv = ""
#		if level != 1:
#			rv = '<h%d id="toc-%d">%s</h%d>\n' % (
#				level, self.toc_count, text, level
#			)
#		else:
#			self.title = text
#		self.toc_tree.append((self.toc_count, text, level, raw))
#		self.toc_count += 1
#		return rv#

#	#Lets do previev image
#	def image(self, src, title, alt_text):
#		prev_img = src.split(".")
#		prev_img = prev_img[0]+"_prev."+prev_img[1]
#		self.img_count += 1
#		return "<a href="+src+"><img src=\""+prev_img+"\" alt=\""+alt_text+"\"></a>"#

#	def render_toc(self, level=3):
#		"""Render TOC to HTML.#

#		:param level: render toc to the given level
#		"""
#		return ''.join(self._iter_toc(level))#

#	def _iter_toc(self, level):
#		first_level = None
#		last_level = None
#		cnt = 0#

#		if (self.title != None):
#			yield '<h1>%s</h1>\n' % (self.title)#

#		yield '<ul id="table-of-content">\n'#

#		for toc in self.toc_tree:
#			index, text, l, raw = toc
#			index = cnt
#			#

#			if l > level:
#				# ignore this level
#				continue#

#			if first_level is None:
#				# based on first level
#				first_level = l
#				last_level = l
#				#yield '<li><a href="#toc-%d">%s</a>' % (cnt, text)
#				yield ''
#			elif last_level == l:
#				yield '</li>\n<li><a href="#toc-%d">%s</a>' % (cnt, text)
#			elif last_level == l - 1:
#				last_level = l
#				yield '<ul>\n<li><a href="#toc-%d">%s</a>' % (cnt, text)
#			elif last_level > l:
#				# close indention
#				yield '</li>'
#				while last_level > l:
#					yield '</ul>\n</li>\n'
#					last_level -= 1
#				yield '<li><a href="#toc-%d">%s</a>' % (cnt, text)
#			cnt = cnt + 1#

#		# close tags
#		yield '</li>\n'
#		while last_level > first_level:
#			yield '</ul>\n<!--</li>-->\n'
#			last_level -= 1#

#		yield '</ul>\n'
#		self.toc_count = 0#

#class TocRenderer(TocMixin, mistune.Renderer):
#	pass

################################################################################
#get first tags and use them to configure some bits
def get_tags(data):
	text = ""
	tag_section = True
	for line in data.split("\n"):
		if tag_section:
			tag = line.split(":")
			l = len(tag)
			if l != 2:
				tag_section = False
				text += line+"\n"
			else:
				article[tag[0]] = tag[1]
		else:
			text += line+"\n"
	return text

################################################################################
#check if there is input file
if len(sys.argv) < 2:
	print("ERROR: Exit . Need more arguments")
	sys.exit(0)

md_fn = sys.argv[1]

#template loader
loader = FileSystemLoader( "/home/fam/downloads/source/repos/md-site/src/templ" )
templ_env = Environment( loader = loader )#

t = templ_env.get_template("main.thtml")#

##get md file
f = open( md_fn, "r" )
data = f.read()
data = get_tags(data)
#toc = TocRenderer()
## Create AST rendered

## Create AST -> Markdown renderer

## Mistune generate MTL
md_rend = mistune.html(data)

#print t.render( article=article, block = md_rend )
print(t.render( article=article, block = md_rend ))

f.close()