#!/usr/bin/env python3

import dbtools, twitools
import argparse, operator, random, re, sys

def getLyrics(db = dbtools.dbHelper()):
 lyrics = db.executeQuery("SELECT id, text, ref FROM lyrics WHERE active = 1")
 lyric = random.sample(list(lyrics), 1)[0]
 ref = list(db.executeQuery("SELECT tweet_id FROM lyrics WHERE id = %s" % lyric[2]))[0][0] if not int(lyric[2]) == 0 else 0

 return lyric[0], lyric[1], ref

def findParent(lid, db = dbtools.dbHelper()):
 ref = int(list(db.executeQuery("SELECT ref FROM lyrics WHERE id = %i;" % int(lid)))[0][0])
 return lid if ref == 0 else findParent(ref)

def postprocess(lid, tid, db = dbtools.dbHelper()):
 db.executeQuery("UPDATE lyrics SET tweet_id = %i WHERE id = %i;" % (int(tid), int(lid)))
 db.executeQuery("UPDATE lyrics SET active = 0 WHERE id = %i;" % int(lid))

 if list(db.executeQuery("SELECT COUNT(*) FROM lyrics WHERE ref = %i;" % int(lid)))[0][0] == 0:
  db.executeQuery("UPDATE lyrics SET active = 1 WHERE id = %i;" % findParent(lid))
 else:
  db.executeQuery("UPDATE lyrics SET active = 1 WHERE ref = %i;" % int(lid))
 db.commit()

if __name__ == "__main__":
 lid, text, ref = getLyrics()
 postprocess(lid, twitools.tweet("%s (#%i)" % (text, int(lid)).id, ref, setuptools.LYRICS))