#!/usr/bin/env python3

import os
import subprocess
import sys

import requests


base_url = 'https://etherpad.wikimedia.org/p'
savedir = os.path.expanduser('~/wmf/etherpads')

def load_names(filename):
    return open(filename).read().splitlines()


def pad_url(base_url, name):
    return '{}/{}/export/txt'.format(base_url, name)


def get_pad(url):
    r = requests.get(url)
    if not r.ok:
        raise Exception(
            'Failed to GET {}: {} {}'.format(url, r.status_code, r.text))
    return r.text


def save_text(savedir, name, text):
    with open(os.path.join(savedir, name), 'w') as f:
        f.write(text)


for filename in sys.argv[1:]:
    names = load_names(filename)
    for name in names:
        url = pad_url(base_url, name)
        text = get_pad(url)
        save_text(savedir, name, text)


output = subprocess.check_output(
    ['git', 'status', '--porcelain'], cwd=savedir)
if output:
    subprocess.check_call(['git', 'add', '.'], cwd=savedir)
    subprocess.call(['git', 'commit', '-qm', 'Autoadd', '.'], cwd=savedir)
    print('OK. Added new and changed files to git.')
else:
    print('OK. Nothing to do.')