import hashlib


def create_entry_hash(cfilename, isize, ctime, mtime):
    entryhash = ""
    entryhash = hashlib.md5(
        cfilename.upper().encode() + str(isize).encode() + str(ctime).encode() + str(mtime).encode()).hexdigest()
    return (entryhash)


def create_filename_hash(cfilename):
    filenamehash = ""
    filenamehash = hashlib.md5(cfilename.upper().encode()).hexdigest()
    return (filenamehash)


def delete_all_from_tfolders(cursor, connection):
    cursor.execute("delete from tFolders")
    connection.commit()


def check_folder_exists(folder, connection):
    curtmp = connection.cursor()
    escfolder = connection.escape_string(folder)
    print(escfolder)
    pocettmp = curtmp.execute("select id from tFolders where cfoldername=%s", escfolder)
    if pocettmp == 0:
        return [0, 0]
    else:
        return [pocettmp, curtmp.fetchone()[0]]


def set_sql_mode_no_escape(cursor):
    cursor.execute("SELECT @@sql_mode")
    newmode = cursor.fetchone()[0]
    newmode = newmode + ",NO_BACKSLASH_ESCAPES"
    cursor.execute("set @@sql_mode=%s", newmode)