import platform
import logging
from datetime import datetime, timezone

# from https://github.com/FloatTech/ZeroBot-Plugin/blob/c70766a989698452e60e5e48fb2f802a2444330d/console/console_windows.go#L89-L96
colorCodePanic = "\x1b[1;31m"
colorCodeFatal = "\x1b[1;31m"
colorCodeError = "\x1b[31m"
colorCodeWarn  = "\x1b[33m"
colorCodeInfo  = "\x1b[37m"
colorCodeDebug = "\x1b[32m"
colorCodeTrace = "\x1b[36m"
colorReset     = "\x1b[0m"

log_level_color_code = {
    logging.DEBUG: colorCodeDebug,
    logging.INFO: colorCodeInfo,
    logging.WARN: colorCodeWarn,
    logging.ERROR: colorCodeError,
    logging.FATAL: colorCodeFatal,
}

log_level_msg_str = {
    logging.DEBUG: "DEBU",
    logging.INFO: "INFO",
    logging.WARN: "WARN",
    logging.ERROR: "ERRO",
    logging.FATAL: "FATL",
}

class Formatter(logging.Formatter):
    def __init__(self, color=platform.system().lower() != "windows"):
        # https://stackoverflow.com/questions/2720319/python-figure-out-local-timezone
        self.tz = datetime.now(timezone.utc).astimezone().tzinfo
        self.color = color

    def format(self, record: logging.LogRecord):
        logstr = "[" + datetime.now(self.tz).strftime('%z %Y%m%d %H:%M:%S') + "] ["
        if self.color:
            logstr += log_level_color_code.get(record.levelno, colorCodeInfo)
        logstr += log_level_msg_str.get(record.levelno, record.levelname)
        if self.color:
            logstr += colorReset
        logstr += f"] {str(record.name)} | {str(record.msg)}"
        return logstr

def get_logger(name: str, lv = logging.INFO):
    logger = logging.getLogger(name)
    syslog = logging.StreamHandler()
    syslog.setFormatter(Formatter())
    logger.setLevel(lv)
    logger.addHandler(syslog)
    return logger