#!/usr/bin/env python3

import requests
import sys, fileinput, argparse, copy
from urllib.parse import urlparse
from os.path import splitext

url = 'https://cpy.pt/'

parser = argparse.ArgumentParser(description="CLI Utility to interact with pastething")

parser.add_argument('-d', '--delete', help="Delete paste with supplied delete token")
parser.add_argument('-b', '--burn', type=int, help="Maximum number of paste views before deletion")
parser.add_argument('-l', '--lexer', help="Lexer to use (pygments get_lexer_by_name)", default="auto")
parser.add_argument('-t', '--ttl', type=float, help="Time in hours before paste expires", default=1.0)
parser.add_argument('-r', '--raw', help="Weather to have pastebin return raw or html paste url", default='false')
parser.add_argument('-e', '--encoding', help="Define file encoding for given file (default: utf-8)")

parser.add_argument('FILE', help="Files to upload", nargs="+") #Re-used as paste ID or URL when deleting
args = vars(parser.parse_args())

#add encoding option to compressed hook
def hook_compressed_encoded(encoding):
	def hook_compressed(filename, mode):
		ext = splitext(filename)[1]
		if ext == '.gz':
			import gzip
			return gzip.open(filename, mode, encoding=encoding)
		elif ext == '.bz2':
			import bz2
			return bz2.BZ2File(filename, mode, encoding=encoding)
		else:
			return open(filename, mode, encoding=encoding)
	return hook_compressed

if args['delete']:
	paste = urlparse(args['FILE'][0])
	if paste[0] != '':
		url = args['FILE'][0]
	else:
		url = url + paste[2]
	
	print("DELETE ", url)
	try:
		r = requests.delete(url, data={"token": args['delete']})
		print(r.text)
		if r.status_code != 200:
			exit(1)
	except requests.ConnectionError:
		print("Connection to host failed")
		exit(2)
else:
	parameters = copy.deepcopy(args)
	del parameters['FILE']

	with fileinput.input(files=args['FILE'], openhook=hook_compressed_encoded(args['encoding'])) as f:
		parameters['paste'] = ''.join(f)
		try:
			r = requests.post(url, data=parameters)
			print(r.text)
			if r.status_code != 200:
				exit(1)
		except requests.ConnectionError:
			print("Connection to host failed")
			exit(2)