#! /usr/bin/env python

from __future__ import print_function
import sys
import os
import time
import glob
import torrentfile
import torrentmanager
import config

def warning(*objs):
    print(time.strftime("%d/%m/%Y %H:%M:%S"), "WARNING:", *objs, file=sys.stderr)

def debug(*objs):
    print(time.strftime("%d/%m/%Y %H:%M:%S"), *objs)

if len(sys.argv) >= 2:
    config = config.Config(sys.argv[1])
else:
    config = config.Config()

maxRatio = config.getMaxRatio()
maxRate = config.getMaxRate()
torrentsPath = config.getTorrentsPath()

print("Max ratio:", maxRatio)
print("Max rate:", maxRate, "kb/s")
print("Torrents path:", torrentsPath)

manager = torrentmanager.TorrentManager(maxRatio, maxRate)
run = True
while run:
    for file in glob.glob(torrentsPath + "/*.torrent"):
        torrent = torrentfile.TorrentFile()
        try:
            torrent.readFile(file)
        except Exception as e:
            os.remove(file)
            warning("could not load", file, e)

        try:
            if not any(x.getName() == torrent.getName()
                    for x in manager.getTorrents()):
                torrent.getTracker().start()
                debug("started", torrent.getName())
                manager.appendTorrent(torrent)
        except Exception as e:
            warning("could not start", torrent.getName(), e)

    count = len(manager.getTorrents())

    if count == 0:
        warning("could not find/load/start any torrent. Waiting 5 minutes")
        time.sleep(300)
        continue

    t = manager.getNextTime()
    torrent = t['torrent']
    secs = t['time']
    if secs > 0:
        debug(torrent.getName() + ": Next update in " + str(secs) + " seconds")
        time.sleep(secs)
    debug("Updating", torrent.getName(),
            "ratio =", (torrent.getTracker().getUploaded() / float(torrent.getSize())))
    try:
        manager.updateTorrent()
    except:
        warning("could not update")