import logging

BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = xrange(30, 38)

# Sequences
RESET_SEQ = "\033[0m"
COLOR_SEQ = "\033[1;%dm"
BOLD_SEQ = "\033[1m"

COLORS = {
    'CRITICAL': MAGENTA, # level 50
    'ERROR': RED, # level 40
    'WARNING': CYAN, # level 30
    'INFO': GREEN, # level 20
    'DEBUG': BLUE, # level 10
    'SQL' : YELLOW
}

def one_space_trim(s):
    if s.find("  ") == -1:
        return s
    else:
        s = s.replace('  ', ' ')
        return one_space_trim(s)

def format_sql(sql):
    sql = sql.replace('\n', '')
    sql = one_space_trim(sql)
    sql = sql\
        .replace(',', ',\n\t')\
        .replace('SELECT', '\n\tSELECT \n\t')\
        .replace('UPDATE', '\n\tUPDATE \n\t')\
        .replace('DELETE', '\n\tDELETE \n\t')\
        .replace('FROM', '\n\tFROM')\
        .replace('ORDER BY', '\n\tORDER BY')\
        .replace('LIMIT', '\n\tLIMIT')\
        .replace('WHERE', '\n\tWHERE')\
        .replace('AND', '\n\tAND')\
        .replace('LEFT', '\n\tLEFT')\
        .replace('INNER', '\n\tINNER')\
        .replace('INSERT', '\n\tINSERT')\
        .replace('DELETE', '\n\tDELETE')
    return sql

class ColorFormatter(logging.Formatter):

    def __init__(self, *args, **kwargs):
        # can't do super(...) here because Formatter is an old school class
        logging.Formatter.__init__(self, *args, **kwargs)

    def format(self, record):
        """
        Changes record's levelname to use with COLORS enum
        """

        levelname = record.levelname
        start = COLOR_SEQ % (COLORS[levelname])
        def_record = logging.Formatter.format(self, record)
        end = RESET_SEQ

        colored_record = start + def_record + end
        return colored_record


class ColorFormatterSql(logging.Formatter):

    def __init__(self, *args, **kwargs):
        # can't do super(...) here because Formatter is an old school class
        logging.Formatter.__init__(self, *args, **kwargs)

    def format(self, record):
        """
        Changes record's levelname to use with COLORS enum
        """

        start = COLOR_SEQ % (COLORS['SQL'])
        def_record = format_sql(logging.Formatter.format(self, record))
        end = RESET_SEQ

        colored_record = start + def_record + end
        return colored_record