import sys
from subprocess import Popen, PIPE
from datetime import datetime, timedelta
from min_rss_gen.generator import start_rss, gen_item
import xml.etree.ElementTree

FEED_LINK = 'https://linux.die.net/man/6/fortune'
FEED_TITLE = 'Fortune'
FEED_DESCRIPTION = 'Random, hopefully interesting, adages'
NUM_ITEMS = 3
MAX_LENGTH = 69

rss_items = []

for i in range(NUM_ITEMS):
    with Popen(['fortune', '-s', '-n', str(MAX_LENGTH)], encoding='utf-8', stdout=PIPE) as fortune:
        rss_items.append(gen_item(
            title=fortune.stdout.read().strip().replace('\n',' ').replace('\t',' '),
            link=FEED_LINK,
            pubDate=(datetime.now()-timedelta(minutes=i)).isoformat()))

rss_xml_element = start_rss(
    title=FEED_TITLE, link=FEED_LINK,
    description=FEED_DESCRIPTION, items=rss_items)

sys.stdout.write(str(
    xml.etree.ElementTree.tostring(
        rss_xml_element, encoding='utf-8', method='xml'),
    'utf-8'))