#!/usr/bin/python3

import os
import csv
import itertools
import shutil
import errno

# TODO: filter out quotes which are formatted incorrectly before reorganizing

quotes = []
for root, dirs, files in os.walk('quotes/'):
	for name in files:
		(base, ext) = os.path.splitext(name)
		if ext == '.csv':
			full_name = os.path.join(root, name)
			with open(full_name) as csvfile:
				csvreader = csv.reader(csvfile, delimiter=',', quotechar='`', skipinitialspace=True)
				quotes += list(csvreader)

# TODO: back up the quotes directory and implement recovery if the quote writing fails
shutil.rmtree('quotes')

for quote in quotes:
	# path: ./quotes/author/work/
	path = 'quotes/' + quote[1] + '/'

	# https://stackoverflow.com/a/600612/11736197
	try:
		os.makedirs(path)
	except OSError as exc:
		if exc.errno == errno.EEXIST and os.path.isdir(path):
			pass
		else:
			raise

	# file path: ./quotes/author/title.csv
	with open(path + quote[3] + '.csv', 'a') as csvfile:
		writer = csv.writer(csvfile, delimiter=',', quotechar='`', quoting=csv.QUOTE_ALL)
		writer.writerow(quote)