#!/usr/bin/python2

import os
import sys
from subprocess import call
from pyquery import PyQuery as pq

start = int(sys.argv[1]) if len(sys.argv) > 1 else 0
base = 'http://dub-level.com/music/browse'
dl = 'http://motionsharing.com/site/download/%s/chop'


def get_total_pages():
    return int(pq(base)('#pagination a:last').attr('href').split('/')[-1]) / 10


def get_page(n):
    return pq('%s/%d' % (base, 10 * n))


def get_hashes(q):
    return list(q('body a[title=Download]').map(
        lambda i, e: pq(e).attr('href').split('/')[5]))


if __name__ == "__main__":
    total = get_total_pages()
    print "Total number of page: %d" % total
    print "Starting at page: %d" % start

    for i in range(start, total + 1):
        print "Getting hashes on page %d" % i
        for hash in get_hashes(get_page(i)):
            if os.path.exists(hash + '.mp3'):
                print "Skipping %s.mp3" % hash
            else:
                print "Downloading %s.mp3" % hash
                call(['wget', dl % hash, '-O', hash + '.mp3.dl'])
                os.rename(hash + '.mp3.dl', hash + '.mp3')
                print "Done"