#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import os
import sys
import markdown
from template import template, escape_braces
from pymdownx.superfences import SuperFencesCodeExtension

def gen_list(files, ext, limit=-1, mini=False):
	from template import template
	md = markdown.Markdown(extensions = ["meta", "extra", "toc", SuperFencesCodeExtension(preserve_tabs=True)])
	items = ""
	i = 0
	for post in files:
		with open("posts/"+post, "r", encoding="utf-8") as file_in:
			html = md.convert(file_in.read())
		if "visibility" not in md.Meta or md.Meta["visibility"] == "hidden":
			md.Meta["template"] = "post_preview" if not mini else "post_preview_mini"
			items += template(escape_braces(html), "blog/"+post[:-3]+ext, ext, md.Meta)
		i += 1
		if limit >= 0 and i >= limit:
			break;
	return items

def main():
	meta = {"template": "post_list"}
	ext = "."+sys.argv[2].split(".")[-1]
	files = sorted(os.listdir(sys.argv[1]), reverse=True)
	output = template(gen_list(files, ext), sys.argv[2], ext, meta)
	with open(sys.argv[2], "w+", encoding="utf-8") as file_out:
		file_out.write(output)

if __name__ == "__main__":
	main()