import html.parser
import json
import os
import time
import uuid

class UnknownTagError(Exception): pass

class DeHTMLifier(html.parser.HTMLParser):
	def __init__(self):
		self.result = []
		html.parser.HTMLParser.__init__(self, convert_charrefs = True)

	def processed(self):
		return ''.join(self.result)

	def handle_starttag(self, tag, attrs):
		if tag == 'b':
			# Bold
			self.result.append('\x02') # ^B
		elif tag == 'i':
			# Italic
			self.result.append('\x1d') # ^]
		elif tag == 'small':
			# Dunno, can't really do anything
			pass
		elif tag == 'br':
			# Slashes work more nicely than a newline symbol I find
			if len(self.result) > 0 and self.result[-1][-1:] == ' ':
				self.result.append('/ ')
			else:
				self.result.append(' / ')
		else:
			raise UnknownTagError(tag)

	def handle_endtag(self, tag):
		# Since tags are symmetric (and ppl use </br>)
		self.handle_starttag(tag, None)

	def handle_startendtag(self, tag, attrs):
		self.handle_starttag(tag, attrs)

	def handle_data(self, data):
		self.result.append(data)

	def handle_entityref(self, name):
		assert False

	def handle_charref(self, name):
		assert False

def dehtml(text):
	dehtmlifier = DeHTMLifier()
	dehtmlifier.feed(text)
	dehtmlifier.close()
	return dehtmlifier.processed()

def decks(data):
	return data['order']

def deckname(data, deck):
	return data[deck]['name']

def cards(data, deck):
	black_ids = data[deck]['black']
	white_ids = data[deck]['white']

	black_cards = [data['blackCards'][i] for i in black_ids]
	white_cards = [data['whiteCards'][i] for i in white_ids]

	return black_cards, white_cards

def geninfo(data, deck, official):
	datetime_str = time.strftime('%Y-%m-%dT%H:%M:%S+00:00', time.gmtime())
	copyright_url = 'https://cardsagainsthumanity.com/' if official else 'https://crhallberg.com/cah/'
	black_cards, white_cards = cards(data, deck)

	return {
		'name': deckname(data, deck),
		'code': deck,
		'description': 'converted from https://crhallberg.com/cah/ deck %s' % deck,
		'unlisted': True,
		'created_at': datetime_str,
		'updated_at': datetime_str,
		'external_copyright': True,
		'copyright_holder_url': copyright_url,
		'category': 'other',
		'call_count': len(black_cards),
		'response_count': len(white_cards),
		'author': {
			'id': '84897553-35f4-40c8-b104-9dd770199cce',
			'username': 'jsonah2cardcast'
		},
		'rating': '0.0'
	}

def gencards(data, deck, nsfw):
	datetime_str = time.strftime('%Y-%m-%dT%H:%M:%S+00:00', time.gmtime())

	def boilerplatify(segments):
		return {
			'id': str(uuid.uuid4()),
			'text': segments,
			'created_at': datetime_str,
			'nsfw': nsfw
		}

	def segmentify(text, pick_count):
		segments = []
		remaining = text
		for _ in range(pick_count):
			if '_' not in remaining:
				remaining += ' _'
			segment, _, remaining = remaining.partition('_')
			segments.append(segment)
		segments.append(remaining)
		return segments

	black_cards, white_cards = cards(data, deck)

	black_cards = [boilerplatify(segmentify(dehtml(i['text']), i['pick'])) for i in black_cards]
	white_cards = [boilerplatify([dehtml(i)]) for i in white_cards]

	return {
		'calls': black_cards,
		'responses': white_cards
	}

def main():
	with open('official.json', 'r') as f:
		official_data = json.loads(f.read())
	with open('unofficial.json', 'r') as f:
		unofficial_data = json.loads(f.read())

	try:
		os.mkdir('output')
	except FileExistsError:
		pass

	def writedeck(data, deck, official):
		try:
			os.mkdir('output/%s' % deck)
		except FileExistsError:
			pass

		with open('output/%s/index.json' % deck, 'w') as f:
			f.write(json.dumps(geninfo(data, deck, official)))
		with open('output/%s/cards' % deck, 'w') as f:
			# Just default to everything being nsfw
			f.write(json.dumps(gencards(data, deck, nsfw=True)))

	for deck in decks(official_data):
		print(deck)
		writedeck(official_data, deck, official=True)

	for deck in decks(unofficial_data):
		print(deck)
		writedeck(unofficial_data, deck, official=False)

if __name__ == '__main__':
	main()