import os
from html5tagger import Document
from shutil import rmtree

#if homepage is at Home.page, set homepage to "Home"
homepage = "Home"

try:
  os.mkdir("./website-output")
except FileExistsError:
  print("Output directory already exists, let's clean it!")

  #deleting contents of folder without deleting the folder, to increase compatibility with various systems
  for root, dirs, files in os.walk('./website-output'):
    for f in files:
      os.unlink(os.path.join(root, f))
    for d in dirs:
      rmtree(os.path.join(root, d))

#generate navigation bar
navbarfound = False
if os.path.exists("./navbar"):
  with open("./navbar", 'r') as navbarfile:
    navbarfound = True
    navbar = ""
    for line in navbarfile.readlines():
      split = line.strip().split(";", 1)
      navbar = navbar + "<li><a href='" + split[1] + "'>" + split[0] + "</a></li>"
else:
  print("No 'navbar' file found, there will be no navigation bar.")

#generate pages
for file in os.listdir("./"):
  if file.endswith(".page"):
  with open(file, 'r') as page:
    pagetitle = os.path.basename(file).replace(".page", "")
    doc = Document(pagetitle, lang="en")
    for line in page.readlines():
      doc.p(line.strip())

  #creates ./website-output/pagetitle/index.html file if it is not homepage
  if pagetitle == homepage:
    foldername = ""
  else:
    foldername = "/" + pagetitle.replace(" ", "-").lower()
    os.mkdir("./website-output" + foldername)

  with open("./website-output" + foldername + "/index.html", 'w') as newpage:
    if navbarfound:
      newpage.write("<ul>" + navbar + "</ul>" + str(doc))
    else:
      newpage.write(str(doc))