try:
	import oursql as mysqldb
except ImportError:
	import MySQLdb as mysqldb

class MYSQL_RED:
	
	#Save mysqldb-connection as class attribute to use only one in descendant classes
	connection = False
	db_hostname='localhost'
	db_username='gwlocal'
	db_password='RigTawwewmyagPepotugco'
	db_name='gwlocal_wiki'
	
	def __init__( self ):
		"""
		Opens a connection to MySQL-DB
		
		@returns 	mysql-stream	MySQL Connection
		"""
		
		# Connect to mysqldb only once
		if( type( self ).connection == False ):
			
			type( self ).connection = mysqldb.connect( host=type( self ).db_hostname, user=type( self ).db_username, passwd=type( self ).db_password, db=type( self ).db_name )
		
	def __del__( self ):
		"""
		Before deleting class, close connection to MySQL-DB
		"""
		
		type( self ).connection.close()

class MYSQL_RED_PAGE( MYSQL_RED ):
	
	def __init__( self, page_id ):
		"""
		Creates a new instance, runs __init__ of parent class
		"""
		super().__init__( )
		
		self.__page_id = int( page_id );
		
		self.data = self.get_page()
	
	
	def get_page( self ):
		"""
		Retrieves a red page row from MySQL-Database for given page_id
		
		@param		int		page_id		MediaWiki page_id for page to retrieve
		
		@returns	tuple				Tuple with data for given page_id otherwise if none found
					bool	FALSE
		"""
		cursor = type( self ).connection.cursor(mysqldb.DictCursor)
		
		cursor.execute( 'SELECT * FROM `red_pages` WHERE `page_id` = ?;', ( self.__page_id, ) )
		res = cursor.fetchone()
		
		if res:
			return res
		else:
			return False
	
	def add_page( self, page_title, rev_id, status=0 ):
		"""
		Inserts a red page row in MySQL-Database for given page_id
		
		@param		int		rev_id		MediaWiki current rev_id for page to update
		@param		str		page_title	MediaWiki new page_title for page to update
		@param		int		status		Page parsing status (0 - not (successfully) parsed; 1 - successfully parsed; 2 - successfully parsed archive)
		"""
		
		cursor = type( self ).connection.cursor()
		
		if not page_title:
			page_title = self.data[ 'page_title' ]
		if not rev_id:
			rev_id = self.data[ 'rev_id' ]
		
		query = 'INSERT INTO `red_pages` ( page_id, page_title, rev_id, status ) VALUES ( ?, ?, ?, ? );'
		data = ( self.__page_id, str( page_title ), int( rev_id ), int( status ) )
		
		cursor.execute( query, data)
		
		type( self ).connection.commit()
	
	
	def update_page( self, rev_id=None, page_title=None, status=0 ):
		"""
		Updates the red page row in MySQL-Database for given page_id
		
		@param		int		rev_id		MediaWiki current rev_id for page to update
		@param		str		page_title	MediaWiki new page_title for page to update
		@param		int		status		Page parsing status (0 - not (successfully) parsed; 1 - successfully parsed)
		"""
		
		cursor = type( self ).connection.cursor()
		
		if not page_title:
			page_title = self.data[ 'page_title' ]
		if not rev_id:
			rev_id = self.data[ 'rev_id' ]
		
		query = 'UPDATE `red_pages` SET `page_title` = ?, `rev_id` = ?, `status`= ? WHERE `page_id` = ?;'
		data = ( str( page_title ), int( rev_id ), int( status ), self.__page_id )
		
		cursor.execute( query, data)
		
		type( self ).connection.commit()
	

class MYSQL_RED_FAM( MYSQL_RED ):
	
	def __init__( self ):
		"""
		Creates a new instance, runs __init__ of parent class
		"""
		super().__init__( )