import requests
import requests.auth
import json
from ConfigParser import ConfigParser

# init configs
config = ConfigParser()
config.read('config.ini')
client_id = config.get('Auth', 'client_id')
client_secret = config.get('Auth', 'client_secret')
username = config.get('Auth', 'username')
password = config.get('Auth', 'password')
if config.has_option('Init', 'latest'):
	latest = config.get('Init', 'latest')
else:
	latest = 'null'

# config request
client_auth = requests.auth.HTTPBasicAuth(client_id, client_secret)
post_data = {'grant_type': 'password', 'username': username, 'password': password}
headers = {'User-Agent': 'DealsBot by ArqadeDeals'}
response = requests.post('https://www.reddit.com/api/v1/access_token', auth=client_auth, data=post_data, headers=headers)
access_token = response.json()['access_token']
headers = {'Authorization': 'bearer ' + access_token, 'User-Agent': 'DealsBot by ArqadeDeals'}

# check for new posts
if latest != 'null':
	response = requests.get('https://oauth.reddit.com/r/gamedeals/new?before=' + latest, headers = headers)
else:
	response = requests.get('https://oauth.reddit.com/r/gamedeals/new', headers=headers)

# parse deals
deals = []
ids = []
if 'error' not in response.json().keys() and len(response.json()['data']['children']) > 0:
	for post in response.json()['data']['children']:
		d = []
		d.append(post['data']['title'].encode('utf-8', 'replace'))
		d.append(post['data']['url'].encode('utf-8', 'replace'))
		deals.append(d)

	# write deals to output
	with open('deals.txt', 'w') as outfile:
		for deal in deals:
			outfile.write(deal[0] + ' ?\\|/? ' + deal[1] + '\n')

	# write latest to config
	latest = response.json()['data']['children'][0]
	latest_fullname = latest['kind'] + '_' + latest['data']['id']
	config.set('Init', 'latest', latest_fullname)
	with open('config.ini', 'wb') as configfile:
		config.write(configfile)
else:
	with open('deals.txt', 'w') as outfile:
		outfile.write('nothing')