import setuptools
import sqlite3, pymysql, pymysql.cursors

SQLITE = 0
MYSQL = 1
MARIADB = MYSQL

MIN = 0
MAX = 1

class dbObject:

# --------------------------------------------- Initialization -------------------------------------------------

 def initMySQL(self, host, port, user, pwd, db):
  self.conn = pymysql.connect(host = host, port = port, user = user, password = pwd, db = db, charset = "utf8mb4", cursorclass = pymysql.cursors.DictCursor)
  self.cur = self.conn.cursor()
  self.dbtype = MYSQL
  self.host = host
  self.port = port
  self.user = user
  self.pwd = pwd
  self.db = db

 def initSQLite(self, path):
  self.conn = sqlite3.connect(path)
  self.cur = self.conn.cursor()
  self.dbtype = SQLITE
  self.path = path

 def __init__(self, dbtype = SQLITE, path = None, host = None, port = None, user = None, pwd = None, db = None):

  if dbtype == SQLITE:
   self.initSQLite(path or 'Database.db')

  elif dbtype == MYSQL:
   self.initMySQL(host or 'localhost', port or 3306, user, pwd, db)

  else:
   raise ValueError("Unknown database type %s." % str(dbtype))

# ---------------------------------------------- No more initialization ----------------------------------------

 def closeConnection(self):
  return self.conn.close()

 def commit(self):
  return self.conn.commit()

 def executeQuery(self, query):
  return self.cur.execute(query)

 def getAll(self):
  return self.cur.fetchall()

 def getNext(self):
  return self.cur.fetchone()

 def isInitialized(self):
  try:
   self.executeQuery("SELECT * FROM tokens")
   return True
  except:
   return False

 def deleteUser(self, cid):
  self.executeQuery("DELETE FROM tokens WHERE cid = %i;" % int(cid))
  self.commit()

 def storeUser(self, cid, ato, ase):
  self.executeQuery("INSERT INTO tokens(cid, ato, ase) VALUES(%i, '%s', '%s');" % (int(cid), ato, ase))
  self.commit()

 def ato(self, cid):
  try:
   self.executeQuery("SELECT ato FROM tokens WHERE cid = %i;" % int(cid))
   return self.cur.fetchone()[0]
  except:
   return False

 def ase(self, cid):
  try:
   self.executeQuery("SELECT ase FROM tokens WHERE cid = %i;" % int(cid))
   return self.cur.fetchone()[0]
  except:
   return False

 def toggleTweet(self, cid):
  try:
   self.executeQuery("UPDATE tokens SET tweet = NOT tweet WHERE cid = %i;" % int(cid))
   self.commit()

   self.executeQuery("SELECT tweet FROM tokens WHERE cid = %i;" % int(cid))

   return True if self.cur.fetchone()[0] == 1 else False

  except:
   raise ValueError("No such user: %i" % int(cid))

def dbHelper():
 if setuptools.dbtype() == SQLITE:
  return dbObject(dbtype=SQLITE, path=setuptools.dbpath())
 elif setuptools.dbtype() == MYSQL:
  return dbObject(dbtype=MYSQL, host=setuptools.dbhost(), user=setuptools.dbuser(), pwd=setuptools.dbpass(), db=setuptools.dbname())
 else:
  raise setuptools.SetupException()