#!/usr/bin/python3
import localconf 
import requests
import pypdftk
import pygraphviz
import subprocess
from requests.auth import HTTPBasicAuth
import re
import os
import sys

# todo move this variable outta here..
NODE = localconf.NODE
PAGEDJSCLI = localconf.PAGEDJSCLI
BASECSS = 'https://hub.vvvvvvaria.org/rosa/pad/p/design-trial_2.css/export/txt'

localhost = '/var/www/html/pdfs/'
localurl = 'http://localhost/pdfs/'

outputname='atnofs-compiled.pdf'

authu='octomode'
authp='spider'
authvvvvvv = HTTPBasicAuth('octomode', 'spider')

e2hprocessor='http://totalism.org:7777/glia2?sourceMethod=post&sinkFormat=text/graph/graphviz'

chapters=[]
outputs=[]
counter=0
ooooo_graphs="https://pad.constantvzw.org/p/atnofs-insert"

indexmd = requests.get('https://pad.vvvvvvaria.org/atnofs-index.md/export/txt').text
# download the index of all contributions
with open('index.md','w') as file:
	file.write(indexmd)

basecssget = requests.get(BASECSS).text
with open(localhost+'base.css','w') as file:
	file.write(basecssget)
# download the base css style 


with open('index.md') as file:
	for line in file:

# searches for the chapter links

		x = re.search ('[.*](.*/pad/)',line)
		if x:
			line=line.split('(')[1].split(')')[-2]
			chapters.append(line)

# searches for ooooo insert
		if 'ooooo' in line:
			ooooo_insert=line.split('(')[1].split(')')[-2]

oooooc=0
if ooooo_insert:
	all_graphs = requests.get(ooooo_graphs+'/export/txt')
	graphs=all_graphs.text.split('[graph]"""')
	for graph in graphs[1:]:
		graph=graph.split('"""')[-2]
		dot = requests.post(e2hprocessor,graph.encode('utf-8'))
		with open('dot/'+str(oooooc)+'.dot','w') as file:
			file.write(dot.text)
		graph = pygraphviz.AGraph('dot/'+str(oooooc)+'.dot')
		graph.layout(prog="dot")
		graph.draw('dot/'+str(oooooc)+'.svg')  
		oooooc+=1

#then iterates over all chapters to get the pdf versions
for chapter in chapters:

	name=str(counter).zfill(2)+'-'+chapter.split('/')[-3]
	if not os.path.exists(localhost+name):
		os.makedirs(localhost+name)
	pdffile=name+'.pdf'

	if len(sys.argv)<2 or sys.argv[1]=='nonlocal':

		if('octomode.vvvvvvaria.org' in chapter):
			preview = requests.get(chapter.replace('pad/','preview.html'), auth=authvvvvvv)
			style = requests.get(chapter.replace('pad/','stylesheet.css'), auth=authvvvvvv)
		else:
			preview = requests.get(chapter.replace('pad/','preview.html'))
			style = requests.get(chapter.replace('pad/','stylesheet.css'))

		stylefile=localhost+name+'/stylesheet.css'
		with open(stylefile, 'w') as file:
			file.write(style.text)	

		previewfile=localhost+name+'/preview.html'
		localpreview=localurl+name+'/preview.html'

		with open(previewfile, 'w') as file:
			file.write(preview.text)

# hacke before octomode is fixed on vvvvaria 
		with open(previewfile, "r") as f:
		    contents = f.readlines()

		contents.insert(5, '<link href="stylesheet.css" rel="stylesheet" type="text/css"><link href="../base.css" rel="stylesheet" type="text/css">')

		with open(previewfile, "w") as f:
		    contents = "".join(contents)
		    f.write(contents)
# end hack

# this is the pagedjs client version making the pdf out of the localhost version of the html
		subprocess.run([NODE, PAGEDJSCLI,'--browserArgs','--font-render-hinting=none',localpreview, '-o', localhost+pdffile])

	else:
		if('octomode.vvvvvvaria.org' in chapter):
			chapter=chapter.replace('://','://'+authu+':'+authp+'@')
		preview = chapter.replace('pad/','pagedjs.html')
		subprocess.run([NODE, PAGEDJSCLI,'--browserArgs','--font-render-hinting=none', preview, '-o', localhost+pdffile])

	outputs.append(localhost+pdffile)

	counter+=1

# compiling all the files in one big pdf!

output = pypdftk.concat(outputs,out_file=localhost+outputname)